期末单选训练

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期末复习总结-单选(答案)

期末复习总结-单选(答案)

单项选择(答案在《五三》上找)班级______ 姓名_______ 成绩_______ 第一组( A ) 1. —What are ______ doing?— They’re listening to a CD.A. theyB. themC. theirD. theirs( A ) 2. Look! They are having ______ good time playing basketball.A. aB. theC. anD. /( C ) 3. Lily talks on the phone ______ about three hours every day.A. onB. inC. forD. at( C ) 4. Bruce ______English right now.A. studyB. studiesC. is studyingD. are studying (A ) 5. — ______ is going?— Not bad.A. HowB. WhenC. WhereD. Why( B )6. David isn’t tall or short. He______ of medium height.A. areB. isC. amD. be( C ) 7. Jimmy is really ______ in robots.A. interestingB. interestC. interestedD. interests ( D ) 8. Birthday foods in different countries ______ be different, but the ideas are the same.A. shouldB. mustC. needD. may( A ) 9. My friends and I visited the red-star farm yesterday. ______ it was really fun.A. AndB. ButC. BecauseD. So( B ) 10. When Tom looked out of the window, he saw a boy ______ a tall tree.A. climbB. climbingC. climbsD. climbed( D ) 11. — How was your school trip?— ______.A. Good luckB. Best wishesC. You’re welcomeD. It was great ( D ) 12. — Would you like a large bowl?— ______.A. No, there isn’tB. Y es, there isC. Here you areD. Yes, please第二组( C ) 1. Bob’s father gave _______ a guitar as the birthday gift.A. heB. sheC. himD. her( D ) 2. Tina and Gina went to play ______ badminton.A. aB. theC. anD. /(B ) 3. ______ Sunday morning, I went to the library with my friends.A. InB. OnC. atD. to( D ) 4. He would like ______ beef carrot noodles.A. eatB. eatsC. eatingD. to eat( C ) 5. What _____ your father _____ like?A. do, lookB. do, looksC. does, lookD. does, looks ( C ) 6. There _______ a lot of people in the park yesterday.A. wasB. areC. wereD. be( D ) 7. There are many ______ animals in the zoo. Most of them are _____ cute.A. kind of, kind ofB. kinds of, kinds ofC. kind of, kinds ofD. kinds of, kind of(B ) 8. — _______ was their vacation?— It was great.A. WhatB. HowC. WhenD. Where( B ) 9. Lucy doesn’t ______ her beautiful skirt today.A. put onB. wearC. dressD. has(B) 10. Birthday foods in different countries may be different, ______ the ideas are the same.A. andB. butC. becauseD. so( D ) 11. My brother had a great time ______ his aunt in Canada.A. visitB. to visitC. visitsD. visiting( B ) 12. — Would you like some orange juice?— ______. I’m very thirsty.A. No, thanksB. Yes, pleaseC. Yes, I wouldD. That’s OK第三组(C ) 1. Kate is a kind girl. ______ often helps us learn English.A. IB. YouC. SheD. We( B ) 2. My family went to the beach _______ vacation last summer.A. atB. onC. toD. in( B ) 3. There’s some _____ on the table.A. potatoB. beefC. tomatoD. eggs( C ) 4. They like dumplings. They think they are ______.A. cheapB. wellC. deliciousD. bad( B ) 5. He has ______ friends at school, so he feels unhappy.A. a fewB. fewC. a littleD. little( C ) 6. —Where’s your father, Mike?—He ______ in the kitchen.A. cooksB. cookedC. is cookingD. cook(B ) 7. —What did you do after school yesterday?— I ______ basketball with my friends.A. playB. playedC. playsD. am playing( B ) 8. The man ______ is Tom’s father.A. in glassesB. with glassesC. with glassD. on glasses( D ) 9. I’d like ______ some potatoes for lunch.A. eatB. eatsC. eatingD. to eat( D ) 10. Tom _______ watch TV after supper last night.A. isn’tB. wasn’tC. doesn’tD. didn’t(C ) 11. He didn’t have _______ money for a taxi, _______ he walked back to the hotel.A. any, andB. much, becauseC. any, soD. some, so(A ) 12. If you see the criminal, please tell the police _____.A. what the criminal looks likeB. what did the criminal look likeC. what the criminal likesD. what do the criminal look like第四组( D ) 1. Kate’s parents gave ______ a nice toy dog on her birthday.A. theyB. themC. sheD. her( B ) 2. Please go straight and turn _____ your left.A. inB. onC. atD. for( C ) 3. There _______ a lot of people in the park yesterday.A. wasB. areC. wereD. be(B ) 4. _____ does your favorite actress look like?A. HowB. WhatC. WhoD. When(D ) 5. More and more people enjoy ______ a bike to the countryside.A. rideB. to rideC. rodeD. riding( A ) 6. I’d like to go boating with you, ______ I’m too busy today.A. butB. andC. soD. or( A ) 7. cross the road when the traffic lights are red. It’s dangerous.A. Don’tB. NoC. DoD. Not( A ) 8. —What did he do yesterday?— He _______ the books with his friends.A. readB. readingC. readsD. to read ( A ) 9. He has ______ friends at school, and he feels quite happy every day.A. a fewB. fewC. a littleD. little( B ) 10. Mary _______ her last weekend with her good friends and parents.A. tookB. spentC. payD. went(A ) 11. There are ______ places to visit in BeijingA. too manyB. much tooC. too muchD. many too ( D ) 12. — Would you like some black tea?—.A. No, I don’tB. Yes, I likeC. That’s all rightD. Yes, please 第五组( C )1. Her sister is ______ English teacher. She works in our school.A. aB. theC. anD. /(B )2. How many sheep _____ there on the farm last year?A. areB. wereC. isD. was( D ) 3. —______ did you go on your trip last year?—In North China.A. WhatB. WhyC. WhenD. Where(B )4. To get to the library, you can get there ______.A. easyB. easilyC. luckyD. terrible(C )5. My last summer vacation is interesting ______ scary.A. andB. soC. butD. or( B )6. _____ you _____ TV every day?A. Did, watchedB. Do, watchC. Do, watchedD. Do, watches ( C )7. —What’re the neighbors doing, Joe?— Oh, they ______ a party.A. haveB. hadC. are havingD. Has(B )8. The two girls are from different countries. One is from the UK, ______ is from theUSA.A. otherB. the otherC. anotherD. Others( A )9. There were so many people that I couldn’t hear _________.A. anythingB. somethingC. nothingD. everything ( A)10.He ______ for the math test until 11:00 pm last night.A. studiedB. studyC. studiesD. studying ( C )11. Please remember ______ your homework on time.A. doB. doesC. to doD. doing( B )12. — ________— Yes, I'd like a glass of orange juice.A. Excuse me.B. Can I help you?C. Are you OK?D. Good morning! 第六组( A )1. My uncle is a farmer. _____ works on a farm.A. HeB. HimC. HisD. He’s( B )2. There _____ many flowers in our school yard. They look very nice.A. isB. areC. wasD. were( C )3. — What would you like to eat _____ your birthday?— I’d love noodles and birthday cakes.A. inB. atC. onD. From( A )4. Please_____ sit by the pool. It’s dangerous.A. don’tB. doC. didD. didn’t( C )5 ._____ beef would you like?A. HowB. WhatC. How muchD. How many( D )6. We _____ National Forest Park last Sunday. We had a wonderful time.A. visitB. visitsC. will visitD. visited( A )7. Your wish will come true _____ you blow out the candles in one go.A. ifB. becauseC. afterD. so( D )8. Excuse me. I am a new comer. May I ask you _____ questions about our school?A. littleB. a littleC. fewD. a few(D )9. Please tell him _____ me when he comes back.A. callB. callsC. callingD. to call( C )10. We had fun feeding the chickens on our school trip. It was really ______.A. terribleB. badC. greatD. boring( B )11. Does Mr. Green enjoy _____ in this city?A. livesB. livingC. to liveD. live( A )12. — We had great fun flying kites on the beach on our last school trip.—.A. Lucky youB. You’re welcomeC. Not at allD. Yes, please。

浙教版数学七年级下学期期末训练题(含答案)

浙教版数学七年级下学期期末训练题(含答案)

浙教版数学七年级下学期期末训练题(含答案)一、单选题1.计算:3﹣1=( )A.3B.﹣3C.13D.﹣132.若分式31+x在实数范围内有意义,则实数x的取值范围是( )A.x≠1B.x≠﹣l C.x≥l D.x>﹣1 3.使(x2+3x+p)(x2﹣qx+4)乘积中不含x2与x3项,则p+q的值为( )A.8B.﹣8C.﹣2D.﹣34.下列计算正确的是( )A.(a5)2=a10B.x16÷x4=x4C.2a2+3a2=6a4D.b3⋅b3=2b3 5.下列运算结果正确的是( )A.a3+a3=a6B.a2⋅a3=a6C.(ab4)3=a3b12D.a3÷a=a36.已知方程组a+b=4ab=2,下列说法正确的是( )①a2+b2=12;②(a﹣b)2=8;③1a+1b=2;④b a+ab=6.A.1B.2C.3D.47.某商店根据今年6-10月份的销售额情况,制作了如下统计图。

根据图中信息,可以判断相邻两个月销售额变化最大的是( )A.6月到7月B.7月到8月C.8月到9月D.9月到10月8.如果多项式x2+mx+16能分解为一个二项式的平方的形式,那么m的值为( )A.4B.8C.―8D.±89.下列运算正确的是( )A.x8÷x2=x4B.4+9=4+9C.(―2a2)3=―8a6D.(―1)0―(12)―1=―310.一个长方形的长为(2x+y),宽为(y―2x),则这个长方形的面积为( ).A.2x2―y2B.y2―2x2C.4x2―y2D.y2―4x211.若关于x,y的方程组a1(x+y)―b1(x―y)=c1a2(x+y)―b2(x―y)=c2,解为x=2022y=2023.则关于x,y的方程组a1x+b1y=15c1a2x+b2y=15c2的解是( )A.x=809y=15B.x=4045y=1C.x=2022y=2023D.x=20225y=―2023512.如图1的8张宽为a,长为b(a<b)的小长方形纸片,按如图2的方式不重叠地放在长方形ABCD 内,未被覆盖的部分(两个长方形)用阴影表示.设左上角与右下角的阴影部分的面积的差为S,当BC 的长度变化时,按照同样的放置方式,S始终保持不变,则a,b满足( )A.b=5a B.b=4a C.b=3a D.b=a二、填空题13.为了解某校1000名师生对“新型冠状病毒”的了解情况,从中随机抽取了50名师生进行问卷调查,这项调查中的样本是 .14.若a2―b2=16,a―b=13,则a+b的值为 .15.关于x的方程x+ax―1=2的解为正数,则a的取值范围为 .16.若x+y=5,x-y=1,则x2-y2= .17.分式(a―1)+a(1a―1)的值为 .18.幻方的历史很悠久,传说最早出现在夏禹时代的“洛书”.把洛书用今天的数学符号翻译出来,就是一个三阶幻方(如图1),将9个数填在3×3(三行三列)的方格中,如果满足每个横行、每个竖列、每条对角线上的三个数字之和都相等,就得到一个广义的三阶幻方.图2的方格中填写了一些数字和字母,若能构成一个广义的三阶幻方,则mn= .19.已知关于x,y的二元一次方程组3x+y=2k,x―2y=k+6有下列说法:①当x与y相等时,解得k=-4;②当x与y互为相反数时,解得k=3;③若4x·8y=32,则k=11;④无论k为何值,x与y的值一定满足关系式x+5y+12=0,其中正确的序号是 20.如图,把五个长为b,宽为a(b>a)的小长方形,按图一和图二两种方式放在一个长比宽大(6―a)的大长方形上,设图一中两块阴影部分的周长和为C1,图2中阴影部分的周长和为C2,则C2―C1的值为 .三、计算题21.解方程组:x―2y=03x―y=522.解方程组:(1)x+4y=7 2x+11y=20(2)2x+(y―x)=1 5x+2(y―x)=523.利用分数指数幂计算:36÷32×63.(结果用根式的形式表示)四、解答题24.如图,已知∠1=∠2,∠A=29°,求∠C的度数.25.化简求值:(a―2a+2+8aa2―4)÷a2+2aa―2,其中a=2022;26.先化简,再求值:[(x+2y)2―(x+y)(x―y)―5y2]÷y;其中|x-12|+(y+2)2=0.答案1.C 2.B 3.A 4.A 5.C 6.D 7.C 8.D 9.C 10.D 11.A 12.A 13.50名师生“新型冠状病毒”的了解情况14.1215.a>﹣2且a≠﹣1 16.5 17.0 18.1 19.①②③④20.1221.解:x―2y=0①3x―y=5②将②×2―①得:5x=10,∴x=2,将x=2代入②得:6―y=5,∴y=1,∴该方程组的解为x=2 y=1.22.(1)解:x+4y=7①2x+11y=20②由①×2得:2x+8y=14③由②-③得:3y=6解之:y=2;把y=2代入①得x+8=7 解之:x=-1 ∴原方程组的解为:x=―1y=2.(2)解:将原方程组转化为:x+y=1①3x+2y=5②由①×2得:2x+2y=2③,由②-③得:x=3,把x=3代入①得3+y=1 解之:y=-2,∴原方程组的解为:x=3y=―2. 23.解:36÷32×63=613÷213×316=313×316=312=3 24.解:如图,∵∠1=∠2又∵∠2=∠3∴∠1=∠3 ∴AB∥CD∴∠A+∠C=180°,又∵∠A=29° ∴∠C=151°答:∠C的度数是151°.25.解:原式=(a―2)2+8a(a+2)(a―2)⋅a―2a(a+2)=(a+2)2(a+2)(a―2)⋅a―2a(a+2)=1a当a=2022时,原式=1202226.解:[(x+2y)2―(x+y)(x―y)―5y2]÷y=(x2+4xy+4y2-x2+y2-5y2)÷y =4xy÷y=4x,|+(y+2)2=0,∵|x-12,y=-2,∴x=12当x=1时,2=2.原式=4×12。

译林版(三起)英语四年级上册期末专项训练之单选(含答案解析)

译林版(三起)英语四年级上册期末专项训练之单选(含答案解析)

试卷第1页,共11页绝密★启用前译林版(三起)英语四年级上册期末专项训练之单选(含答案解析)注意事项:1.答题前填写好自己的姓名、班级、考号等信息 2.请将答案正确填写在答题卡上第I 卷(选择题)请点击修改第I 卷的文字说明 一、单选题1.—What _____ you like? ( ) —I’d like _____ red umbrella. A .would; a B .do; anC .would; an【答案】A 【详解】句意:—你想要什么?—我想要一把红色的雨伞。

would like 想要,固定短语,red 辅音因素开头,故不定冠词用a ,故选A 。

【点睛】2.—_____ is that hamburger? ( ) —It’s five yuan. A .How much B .How manyC .How old【答案】A 【详解】句意:—那个汉堡_________?—五元。

A 多少钱,B 多少,C 多大(年龄),根据答语可知问句是问价格,故选A 。

【点睛】3.—Where _____ my new socks? ( )—_____ in the box.A.is; It’s B.are; They’re C.Are; It’s【答案】B【详解】句意:—我的新袜子在哪里?—_____在盒子里。

根据题意可知问句是由where引导的特殊疑问句,主语my new socks为可数名词复数,故be动词用复数形式are,故排除A 选项,are在句中应小写首字母,故排除C选项,答语中的人称代词代表问句中的socks,故应用复数,故选B。

【点睛】4.—Do you like_____? ( )—Yes, I _____.A.elephant; don’t B.elephants; like C.elephants; do【答案】C【详解】句意:—你喜欢______吗?—是的,我______。

期末练兵——单选题

期末练兵——单选题

1、世界上曾经有许多与中国传统文化相媲美的文化类型,惟独( d )绵延数千年之久从未中断过。

A、古巴比伦文化B、古埃及文化C、古印度文化D、中国传统文化2、商代文字记录材料主要是保存在甲骨、铜器、及其他器物的刻辞里,其中以()上的刻辞为最多。

A、甲骨B、铜器C、其他器物D、纸张3、重个体的价值,强调个人的权利和自由,强调人与人之间的平等契约关系,这是()中的人文主义。

A、中国文化B、西方文化C、印度文化D、埃及文化4、()提出了“形具而神生”的命题。

A、荀子B、墨子C、庄子D、韩非子5、不属于明末清初的三大思想家的是()。

A、王夫之B、顾炎武C、黄宗羲D、王守仁6、下列不属于儒家学派代表作的是()A、《论语》B、《孟子》C、《春秋》D、《老子》7、“民为贵,社稷次之,君为轻”的提出者为()A、孔子B、墨子C、孟子D、庄子8、秦朝统一中国后,以()作为治国之本。

A、法家思想B、儒家思想C、道家思想D、墨家思想9、《崇有论》的作者是()A、裴頠B、郭象C、王弼D、王充10、第一次提出“天时、地利、人和”概念的是()A、《孙子兵法》B、《孙膑兵法》C、《四书集注》D、《天论》11、以下除了(),都是魏晋玄学的代表人物。

A、向秀B、嵇康C、何晏D、范缜12、下列几种主张体现古人构建和谐社会思想的有()①“己所不欲,勿施于人”②“兼爱,非攻”③“山林虽近,草木虽美,宫室必有度,禁伐必有时”④“为政之要,惟在得人”A、①②③B、①②④C、②③④D、①③④13、古代有一个佛偈故事:庙前佛幡随风而动,方丈以此考问众徒。

甲徒曰:“风吹幡动!”乙徒曰:“幡何动?分明是你心动!心动才有幡动!”下面的思想与乙徒相近的是()A.万物皆只有一个理 B.有理而后有气C.宇宙便是吾心 D.父子君臣,天下之定理14、“天行健,君子以自强不息”,“地势坤,君子以厚德载物”。

出自()。

A、《诗经》B、《易传》C、《楚辞》D、《尚书》15、“庄周梦蝶”、“朝三暮四”体现得是庄子()的哲学思想。

浙江省温州市2023-2024学年下学期七年级数学期末训练试题

浙江省温州市2023-2024学年下学期七年级数学期末训练试题

浙江省温州市2023-2024学年下学期七年级数学期末训练试题一、单选题1.在下列所示的四个汽车标志图案中,其中可以看作由“基本图案”经过平移得到的是( ) A .B .C .D .2.华为Mate60 Pro 搭载了麒麟9000s 芯片,该芯片采用7纳米工艺制造,拥有出色的性能和能效比0.7纳米等于0.000 000 007米.数据0.000 000 007用科学记数法为( ) A .80.710-⨯B .90.710-⨯C .8710-⨯D .9710-⨯3.下列等式中,从左到右的变形中是因式分解的是( )A .()2313x x x x --=--B .()()22a b a b a b +-=-C .()()2933x x x -=+-D .441x x x ⎛⎫-=- ⎪⎝⎭4.国家近年来出台了一系列加强中学生体育锻炼的措施,某校在七年级举办了趣味体育活动,其中一项活动是比较参赛选手1分钟内将乒乓球用球拍颠到指定高度的次数.小明负责记录,并将其绘制成如图所示的频数分布直方图.请问颠球次数在15~20的人数占总参赛人数的百分比是( )A .40%B .30%C .20%D .10%5.将分式3aba b-中的a 、b 都扩大为原来的3倍,则分式的值( ) A .不变 B .扩大为原来的3倍 C .扩大为原来的9倍 D .扩大为原来的66.下列各组数中,不是3210x y +=的解的是( )A .22x y =⎧⎨=⎩B .28x y =-⎧⎨=⎩C .23x y =⎧⎨=⎩D .312x y =⎧⎪⎨=⎪⎩7.若关于x 的分式方程3422x a ax x-=---去分母时产生增根,则a 的值为( ) A .6B .3C .2D .18.绿色出行,健康出行,你我同行.某市为了方便市民绿色出行,推出了共享单车服务.图1是某品牌共享单车放在水平地面的实物图,图2是其示意图,其中AB 、CD 都与地面平行,AM 与BC 平行,若65BCD ∠=︒,则MAB ∠的度数为( )A .65︒B .100︒C .105︒D .115︒9.某份资料计划印制1000份,该任务由A ,B 两台印刷机先后接力完成,A 印刷机印制150份/h ,B 印刷机印制200份/h .两台印刷机完成该任务共需6h .甲、乙两人所列的方程组如图所示,下列判断正确的是( )A .只有甲列的方程组正确B .只有乙列的方程组正确C .甲和乙列的方程组都正确D .甲和乙列的方程组都不正确10.如图,已知AB ∥CD ,BE ,DE 分别平分ABF ∠和CDF ∠,且交于点E ,则( )A .E F ∠=∠B .180E F +=∠∠︒C .2360E F ∠+∠=︒D .2180EF ∠-∠=︒二、填空题 11.若分式13x -有意义,则x 的取值范围是. 12.在一个不透明的袋子里有若干个白球,为估计白球个数,小东向其中投入10个黑球(与白球除颜色外均相同),搅拌均匀后随机摸出一个球,记下颜色,再把它放入袋中,不断重复这一过程,共摸球100次,发现有25次摸到黑球.请你估计这个袋中有个白球.13.若不论x 为何值,()()216x x a x kx ++=++,则k =.14.如图,将ABC V 沿BC 方向平移3cm 得到DEF V ,如果四边形ABFD 的周长是28cm ,则D E F V 的周长是cm .15.如图,把7个相同的小长方形放入大长方形中,则阴影部分的面积是.16.如图a ,ABCD 是长方形纸带(AD BC ∥),2024D E F '∠=︒,将纸带沿EF 折叠成图b ,再沿BF 折叠成图c ,则图c 中的CFE ∠的大小是.三、解答题 17.计算:(1)()()5352a b a b -+-;(2)()22123142.π-⎛⎫-+-+ ⎪⎝⎭.18.分解因式: (1) 2242x x -+ (2)22()9()a x y b y x -+- 19.解方程:(1)2312x y x y -=⎧⎨+=-⎩;(2)2111x x x+=-+. 20.先化简再求值:2223139369x x x x x x -⎛⎫-÷ ⎪---+⎝⎭,其中x 可在3-,0,1三个数中任选一个合适的数.21.某校学生会调查了七年级部分学生对“垃圾分类”的了解程度.(1)在确定调查方式时,学生会设计了以下三种方案,其中最具有代表性的方案是__________;方案①:调查七年级部分男生; 方案②:调查七年级部分女生;方案③:到年级每个班去随机调查一定数量的学生;(2)学生会采用最具有代表性的方案进行调查后,将收集到的数据绘制成如下两幅不完整的统计图(如图1、图2),请你根据图中信息,回答下列问题:①本次调查学生人数共有__________名;②补全图1中的条形统计图,图2中“了解一点”的圆心角度数为__________;③根据本次调查估计该校八年级500名学生中,比较了解“垃圾分类”的学生大约有多少名. 22.如图,AB CD ∥,直线EF 分别与AB CD ,交于点E ,F ,连结EC AF ,.已知EAF ECF ∠=∠.(1)若140∠=︒,求2∠的度数;(2)判断AF 与EC 的位置关系,并说明理由; (3)若FA 平分EFD ∠,试说明EC 平分BEF ∠.23.临近期末,班级想给优秀的学生准备奖品,奖品分为甲套餐与乙套餐,已知购买1个甲套餐比购买1个乙套装少用40元,用450元购买甲套餐和用810元购买乙套餐的个数相同. (1)求这两种套餐的单价分别为多少元.(2)班级计划用1800元经费购进甲套餐与乙套餐两种奖品,要求每种套餐至少购进1种且刚好用完经费,请你设计进货方案. 24.课题学习:平行线的“等角转化”功能.(1)阅读理解:如图1,已知点A 是BC 外一点,连接AB ,AC ,求B A C B C ∠+∠+∠的度数. 阅读并补充下面推理过程 解:过点A 作//ED BCB EAB ∴∠=∠,C ∠=_________________.Q __________________180180B BAC C =︒∴∠+∠+∠=︒解题反思:从上面的推理过程中,我们发现平行线具有“等角转化”的功能,将BAC ∠,B ∠,C ∠“凑”在一起,得出角之间的关系,使问题得以解决.(2)方法运用:如图2,已知//AB ED ,求证:180(D BCD B ∠+∠-∠=︒提示:过点C 作//)CF AB .(3)深化拓展:已知//AB CD ,点C 在点D 的右侧,60.ADC BE ∠=︒平分ABC ∠,DE 平分ADC ∠,BE ,DE 所在的直线交于点E ,点E 在AB 与CD 两条平行线之间.①如图3,点B 在点A 的左侧,若50ABC ∠=︒,求BED ∠的度数。

期末复习单选(试题)外研版(三起)英语六年级下册

期末复习单选(试题)外研版(三起)英语六年级下册

外研三起小学英语六年级下册期末复习单选题精选精练附答案解析1.Your sister is a quick learner. She learns _______.A.quick B.quickly C.slow2.The wind moved _______ and blew the kite away.A.tightly B.quickly C.slightly3.My sister is a good runner. She can run_______.()A.slow B.quick C.fast4.—________ are they going to the supermarket?—At ten o'clock.A.Where B.When C.Why 5.Everyone played ________.A.hard B.hardly C.easy6.________, she became a great writer.A.Late B.Later C.After7.—I don't like milk.—I don't, _________.A.too B.neither C.either 8.There _____ two cups of tea on the table.A.is B.are C.was 9.—May I _______ your bike?—Sorry.A.ride B.reading C.read 10.——There isn't _____ water here. Could you get _____ for me? ——All right.A.some, any B.any, any C.any, some 11.——You look so beautiful in this white skirt.——__________.A.That's all right B.Thank you. C.Not at all. 12.——_____ will you do? ——I’ll play football.A.What B.When C.Where13.He is a big cake.A.eats B.eating C.ate 14.There are about four in a month.A.hours B.days C.weeks 15.The woman is an teacher.A.Chinese B.maths C.art16.My mother likes .A.dances B.danced C.dancing 17.I ____my grandparents yesterday.A.visit B.visits C.visited 18.Mike a mountain last weekend.A.climbs B.climbed C.climb 19.- is this book?-Kate's.A.Who B.Whose C.Where 20.It's time listen the music.A.to; / B.for; to C.to ; to 21.________give the ball to him. Give it to________.A.Not; her B.Don't; her C.Don't; he 22.- is the shopping center? -About two kilometers away.A.How far B.How many C.How 23.——What day is today? ——It's ______.A.Monday B.a fine day C.September 1st 24.---It is _________ ruler. ---- It is not __________ eraser.A./, an B.a; an C.the; the 25.—Is there a dining hall in your school?—__________A.Yes,there are. B.No,there is. C.Yes,there is. 26._____ is a doctor.What about _____ father?A.His,your B.Her, your’s C.His,you 27.—Where are _____?—They are on the chair.A.Tony's books B.Tony's book C.Tony books 28.She can't ________ in the lake.A.swimming B.swiming C.swim 29.There are _____ students in our class.That is 19 boys and 21 girls。

九年级上册期末化学选择题专项训练(含答案)

九年级上册期末化学选择题专项训练(含答案)

选择题专项训练一、单选题1.请你判断下列叙述中,不属于化学学科研究的问题是()A.煤炭是由什么组成的B.铁矿石是如何冶炼成铁的C.地球是怎样围绕太阳运动的D.用粮食为什么能酿造白酒2.最早通过实验得出空气是由氮气和氧气组成这一结论的是()A.英国科学家道尔顿B.法国化学家拉瓦锡C.英国化学家普里斯特里D.瑞典化学家舍勒3.下列有关化学的作用的说法中,错误的是()A.利用化学可以合成许多自然界不存在的物质,以丰富人类的物质生活B.利用化学可以生产化肥和农药,以增加粮食的产量C.利用化学可以开发新能源和新材料,以改善人类的生存条件D.利用化学可以综合应用自然资源和保护环境,对人类只有益处而无害处4.化学在提高人类的生活质量等方面起到非常重要的作用.有关化学的下列说法不合理的是()A.化学提高了人们的艺术鉴赏水平B.化学帮助人们提高粮食产量C.治理污染需要化学技术D.化学帮助人们解决能源问题5.加油站应贴的标志是()A.当心爆炸B.严禁烟火C. 节能标志D. 绿色食品6.盛放乙醇(酒精)的试剂瓶上贴有的危险化学品标志是()A. 腐蚀品B. 易燃液体C. 自燃物品D. 有毒品7.下列过程属于化学变化的是()A.石蜡熔化B.海水晒盐C.湿法冶金D.尘土飞扬8.下列应用是利用了物质的物理性质的是()A.用水降温B.用液化气做饭C.用粮食酿造酒D.用炸药爆破岩石9.下列变化中有一种与其他三种有本质区别,这种变化是()A.分解过氧化氢溶液制取氧气B.铁丝在氧气中剧烈燃烧C.用红磷燃烧测定空气中氧气的含量D.工业分离液态空气制氧气10.下列物质的用途主要与化学性质相关的是()A.铜做导线B.天然气做燃料C.铁能导热,可以用铁制铁锅D.利用活性炭吸附有色有味物质11.能说明镁条燃烧是化学变化的实验现象是()A.发出耀眼的白光B.放出大量的热量C.打磨后镁条变亮D.生成不同于镁条的白色粉末12.下列变化中,属于化学变化的是()A.空气液化B.米酿成醋C.矿石粉碎D.酒精挥发13.下列变化属于化学变化的是()A.分离液态空气法制氧气B.冬天窗玻璃里面形成窗花C.粮食发酵变成酒精D.研磨块状胆矾变为粉末状14.下列关于O2和CO2的自述中,属于物理性质的是()A.O2:我能为可燃物助燃B.CO2:变成干冰时我能用作人工降雨C.O2:食物的氧化变质有我的原因D.CO2:我能参与绿色植物的光合作用15.下列物质的用途主要与其化学性质相关的是()A.用海水蒸发晒盐B.用木炭燃烧来取暖C.用铝制成易拉罐D.用钨丝作灯泡灯丝16.氧化汞受热分解生成汞和氧气的反应前后,发生改变的是()A.分子种类B.原子种类C.元素种类D.原子数目17.几位同学在探究二氧化锰、氧化铜、氧化铁对过氧化氢溶液分解速率的影响时,他们在控制变量的问题上,几位同学提出了不同的观点,你认为不正确的是()A.过氧化氢溶液的浓度一定相同B.催化剂的质量一定相同C.反应容器的体积一定相同D.反应前过氧化氢溶液温度一定相同18.厨房里发生的下列变化中,不属于化学变化的是()A.天然气燃烧B.水沸腾C.铁锅生锈D.蔬菜腐烂19.在铁丝燃烧实验中,最能说明该变化是化学变化的现象是()A.铁丝变短B.放出大量的热C.火星四射D.生成黑色固体20.下列物质的用途,既利用物质的物理性质又利用物质化学性质的是()A.用氧气抢救危重病人B.用氦气填充探空气球C.用氮气做保护气填充食品包装袋D.稀有气体通电发出各色的光21.质量相等的两份药品a和b,a是混有少量二氧化锰的氯酸钾,b是纯净的氯酸钾,将药品分别加热,则收集到氧气的质量随反应时间变化的图象如图,其中正确的是()A. B. C. D.22.诗词是民族灿烂文化中的瑰宝.下列著名诗句中隐含有化学变化的是()①千里冰封,万里雪飘②白玉为床,金作马③野火烧不尽,春风吹又生④粉骨碎身浑不怕,要留清白在人间⑤落红不是无情物,化作尘泥更护花⑥春蚕到死丝方尽,蜡炬成灰泪始干.A.○3○4○5○6B.○1○2○3C.○1○3○4D.○3○5○623.下列变化一定属于化学变化的是()①变色②发光③燃烧④爆炸⑤铁生锈⑥工业制氧气⑦大理石浮雕被酸雨腐蚀.A.全部B.③⑤⑦C.①②⑤⑦D.除⑥以外24.小军同学在做家庭小实验时,向热的大米粥中加入碘酒,发现未变蓝色.面对“异常”现象,他不应该采取的做法是()A.认为自己做错了,继续做其它实验B.查找相关资料,探究原因C.反复实验,并观察是否有相同现象D.向老师请教25.人民币一硬币有明亮的银白色的光泽且密度较大,小明同学认为一元硬币中含有铁,他这一想法属于科学探究过程的()A.提出问题B.猜想C.获得结论D.反思26.下表列举了法拉第《蜡烛的故事》中涉及的部分问题及对问题的回答,其中“对问题的回答”属于“设计实验方案”的是()选项问题对问题的回答A 吹灭蜡烛时产生的白烟是什么主要成分是烛油蒸气B 火焰为什么向上?热气流上升,形成对流C 火焰明亮的原因是什么?与火焰中的碳颗粒有关,碳颗粒会影响火焰明亮程度D 火焰不同部位温度高低如何比较?用一张纸在火焰中心一掠,观察纸张的变色情况27.某化学反应的微观示意图如图所示,(不同小球代表不同的原子),下列说法中不正确的是()A.在此图示变化中共有四种物质B.该图示变化中的分子没有变化C.原子是化学反应中的最小粒子D.反应前后物质的质量总和不变28.如图是某个化学反应的微观模拟图,以下对该反应前、反应后的说法错误的是()A.反应前.后的物质均为混合物B.反应前.后的物质的总质量不变C.反应前.后的原子数目不变D.参加反应的“”分子与“”分子的个数比为4:329.要使如图装置中的小气球鼓起来,则使用的固体和液体可以是()①碳酸钠和稀盐酸②二氧化锰和过氧化氢③氧化钙和水④蔗糖和水.A.①②③④B.①②C.①②③D.②③④30.下列问题的研究中,没有利用对比实验思想方法且结论正确的是()A. 二氧化锰可以增加产生氧气的总量B. 水由氢元素和氧元素组成C. 燃烧需要与氧气接触、且温度达到着火点D. 二氧化碳能使石蕊变红31.甲和乙在一定条件下反应生成丙和丁.结合微观示意图分析,下列结论正确的是()A.丙的相对分子质量为24B.反应前后分子总数不变C.发生反应的甲和乙的质量比为22:3D.生成的丙和丁的分子个数比为2:132.根据二氧化碳的性质,相关实验过程中无明显现象的是()A. B. C. D.33.下面是某同学“化学笔记”的摘录,其中不正确的是()A.学习化学的一个重要途径是科学探究,实验是科学探究的重要手段B.化学家们可以创造新的元素,但不能创造自然界中不存在的新物质C.物质的结构决定物质的性质,物质的性质决定物质的用途D.原子论和分子学说的创立,奠定了近代化学的基础34.如图为某化学反应的微观示意图,图中“●”表示硫原子,“○”表示氧原子,下列说法中错误的是()A.甲是SO2B.该反应属于化合反应C.反应中,甲、乙、丙三种物质的分子个数比为2:1:2D.反应前后,分子、原子种类均不变35.如图是“尾气催化转换器”将汽车尾气中有毒气体转变为无毒气体的微观示意图,其中不同的圆球代表不同原子.下列说法错误的是()A.此反应有单质生成B.图中生成物有四种不同分子C.原子在化学变化中是不可分的D.参加反应的两种分子的个数比为1:136.某同学在实验室用量筒量取液体,先用量筒准确量取了50mL液体,倒出部分后,仰视读数,量筒内液体还剩20mL,则倒出部分液体的体积是()A.等于30mLB.小于30mLC.大于30mLD.不确定37.某同学用托盘天平称量未知质量的固体物质时,误将物质放在右托盘,10g的砝码放在左托盘,然后移动游码,这样称得的固体物质质量为13.2g.若按正确操作,该固体物质的质量为()A.10gB.6.8gC.13gD.13.2g38.如图所示的改装被誉为“万能瓶”,当收集的气体从“a”口进,空气从“b”口排出,相当于向上排空气法收集气体.若将被收集的气体从“b”口进入,则可收集的气体为①H2②O2③CH4④CO2()A.①③B.②④C.①④D.②③39.下列仪器中,能用酒精灯火焰直接加热的是()①试管②集气瓶③瓷质蒸发皿④量筒⑤烧杯⑥燃烧匙.A.①③⑥B.①②⑤C.①④⑤⑥D.②③⑤⑥40.当危险发生时,以下应急措施正确的是()A.地震发生时,在底楼的同学快速跑到空旷的地方B.火灾发生时,打开所有门窗通风C.煤气泄漏时,打开电灯检查漏气管道D.发现有人触电时,立即用手把触电者拉开41.如图所示装置有多种功能,如收集、洗涤、贮存气体等,下列说法不正确的是()A.气体从a 端进入集气,该气体密度比空气密度小B.气体从b 端进入集气,该气体密度比空气密度大C.将此装置倒置后,气体从a 端进入集气,该气体密度比空气密度大D.装置中预先盛满水,将水排出贮气,气体应从b 端进入42.下列实验方案中,设计不合理的是()A.用MnO2来区别水和过氧化氢溶液B.用过滤的方法将浑浊的水变为澄清的水C.用燃烧木炭的方法制备纯净的二氧化碳气体D.用酚酞溶液鉴别氯化钠溶液和氢氧化钠溶液43.下列图示的“错误操作”,与相对应选项的“可能产生后果”不一致的是()A. 标签受损B. 不会产生氧气C. 灯内酒精燃烧D. 读数不正确44.区别瓶内是人体呼出的气体还是空气,最简便的方法是()A.把带火星的木条伸入瓶中B.把点燃的木条放在瓶口C.把点燃的木条伸入瓶中D.观察颜色45.下列实验操作正确的是()A. 点燃酒精灯B. 检验氢气的纯度C. 称量氯化钠D. 氧气验满46.下列实验操作,不正确的是()A. 铁在氧气中燃烧B. 读取液体体积C. 过滤D. 加热47.用推拉注射器活塞的方法可以检查如图装置的气密性.当缓慢推动活塞时,如果装置气密性良好,则能观察到()A.瓶中液面明显上升B.长颈漏斗内液面上升C.瓶内气体分子间的间隔变大D.长颈漏斗下端管口产生气泡48.下列装置图不能用于检查气密性的是()A. B. C. D.49.如图是用排空气法收集气体的装置,可用来收集H2、O2、CO2中的()A.H2B.H2和CO2C.O2和CO2D.H2、CO2、O2均可50.一位同学要用已调平的托盘天平称量2.5g药品,在称量中他发现天平指针向左偏移,这时,他应该()A.减少药品B.添加砝码C.移动游码D.调节平衡螺母51.如图所示装置,有洗气、储气等用途.医院在给病人输氧气时也利用了类似装置,以下说法不正确的是()A.h导管连接供给氧气的钢瓶B.h导管口连接病人呼吸氧气的胶管C.该装置可用来观察输出氧气的速率D.该装置可用来除尘、润湿氧气52.学习化学我们经常做实验.下列实验操作正确的是()A.闻气体气味B. 往试管里加锌粒C. 称量氢氧化钠D. 量取液体53.下列错误的实验操作中,可能引起安全事故的是()A. 称量药品B. 点燃酒精灯C. 取用固体D. 过滤54.从“电解水实验”中不能获得的信息或推论是()A.水是由氢元素和氧元素组成的B.氢气的密度小于氧气C.化学反应中原子的种类不变D.正、负两极所得气体的体积比约为1:255.下列有关电解水的说法错误是()A.水是由氢气和氧气组成的B.水是由氢元素和氧元素组成C.氧气和氢气混和点燃生成为水D.水中加入硫酸是为增加导电性56.现代工业的发展,造成了空气污染,造成城市空气污染的主要气体是()A.一氧化碳、二氧化硫、二氧化碳B.一氧化碳、二氧化硫、二氧化氮C.二氧化碳、二氧化硫、二氧化氮D.一氧化碳、二氧化硫、二氧化氮、固体粉尘57.下列物质由原子构成的是()A.金刚石B.蛋白质C.氯化钠D.液态水58.下列物质不属于混合物的是()A.矿泉水B.啤酒C.醋D.蒸馏水59.如图是表示气体微粒的示意图,图中和分别表示两种不同元素的原子,其中表示混合物()A. B. C. D.60.小兰同学用如图所示的装置测定空气中氧气的体积分数,实验后发现测定氧气的体积分数低于15,针对这一事实,你认为下列做法或想法不可取的是()A.查看实验装置是否漏气B.实验中可能红磷的量不足,没有将瓶内氧气消耗尽C.实验中可能未冷却至室温就打开止水夹,使进入瓶内的水的体积减少D.将红磷改为木炭再重做实验61.下列各组物质中,前者属于混合物,后者属于纯净物的是()A.冰水混合物稀有气体B.清新的空气液态氧气C.氮气二氧化碳D.澄清的石灰水清澈的泉水62.小明设计了下图所示的装置用于测定空气中氧气含量,其中能达到目的是()A. B. C. D.63.如图是气体物质的粒子示意图,图中“●”和“○”分别表示两种不同的原子,能表示纯净物的是()A. B. C. D.64.下列气体均未被计入空气污染指数的一组是()A.CO2,N2B.SO2,COC.NO2,O2D.NO2,SO265.如图表示构成物质微粒的示意图,图中“○”和“●”分别表示两种不同的原子,其中表示的物质可能属于氧化物的是()A. B. C. D.66.下列物质在空气或氧气中燃烧时,现象描述正确的是()A.镁条在空气中燃烧,冒出浓烈的黑烟,放出热量,生成黑色粉末B.铁丝在氧气中剧烈燃烧,火星四溅,放出热量,生成红色粉末C.木炭在氧气中燃烧,发出白光,放出热量,产生能使澄清石灰水变浑浊的气体D.红磷在空气中燃烧,发出黄色火焰,放出热量,产生大量的白色烟雾67.下列现象描述正确的是()A.碳在空气中燃烧,发出白光B.铁丝在氧气中燃烧,火星四射C.硫在氧气中燃烧,生成二氧化硫D.红磷在空气中燃烧,生成刺激性气味的气体68.下列物质与空气混合,接触到明火,有可能发生爆炸的是()①氢气;②汽油;③面粉尘;④氦气;⑤天然气;⑥氮气.A.①②③④B.④⑤⑥C.①②③⑤D.②③④⑤69.在消毒剂家族中,臭氧和过氧乙酸的贡献并驾齐驱.O3可以看成是一个O2分子携带一个O原子,利用其自身的强氧化性杀灭病菌,反应后放出无污染的O2.下列关于O3说法中正确的是()A.O3与O2化学性质完全相同B.等质量的O3与O2所含的原子个数相同C.使用时浓度大小对人体无害D.O3遇氟氯代烷不会分解70.下列物质中,前者为单质,后者为氧化物的是()A.液氧干冰B.冰金刚石C.白磷空气D.生铁氧化镁71.实验室用高锰酸钾制氧气,有如下操作:①加热②检查装置的气密性③加入药品,按装置图接好装置④用排水法收集氧气⑤从水槽中取出导管⑥熄灭酒精灯.正确的操作顺序是()A.③②①④⑤⑥B.②③①④⑤⑥C.③②①④⑥⑤D.②③①④⑥⑤72.实验室制取氧气的装置中,有关几个“口”的位置错误的是()A.装药品的试管口应向下倾斜B.进入试管的导气管口应露出胶塞少许C.用排空气法收集氧气时,集气瓶口应向下D.用排水法收集时,导气管口应伸入集气瓶的口部73.如图所示的装置,其中可以收集氧气的是()A.①和②②B.②和③C.①和④D.①和⑤74.从安全、环保、节能、简便等方面考虑实验室制取氧气的最佳方案是()A.分离液态空气法B.过氧化氢溶液分解C.氯酸钾受热分解D.高锰酸钾受热分解75.将氯酸钾和二氧化锰的混合物加热,下列表示二氧化锰在固体混合物中的质量分数w随时间t的变化曲线正确的是()A. B. C. D.76.实验室制取氧气的有以下步骤,其操作正确的是()①加热②把氯酸钾和二氧化锰混合物装入试管③把导管移出水面④固定试管⑤收集氧气⑥熄灭酒精灯⑦检查装置气密性.A.①②③④⑤⑥⑦B.⑦②④⑤①③⑥C.⑦②①④⑤③⑥D.⑦②④①⑤③⑥77.一段纱窗网上的细铁丝,在自己收集到的氧气中做“铁丝在氧气中燃烧”的实验,结果没有观察到“火星四射”的现象.造成此实验失败的原因不可能是()A.收集到的氧气量太少或纯度太低B.铁丝生锈C.集气瓶底部没有铺一薄层细沙D.铁丝表面的温度不够78.质量相等的两份氯酸钾固体,在其中一份中加入少量高锰酸钾,然后分别放在酒精灯上均匀受热,放出氧气的质量(m)随反应时间(t)变化的函数图象(如图),正确的是(a为纯净的氯酸钾,b为加入了高锰酸钾的氯酸钾)()A. B. C. D.79.实验室用氯酸钾制取氧气时,错把高锰酸钾当二氧化锰混入,其结果是()A.速率加快,生成氧气量不变B.速率不变C.速率加快,生成氧气量增加D.不生成氧气80.加热一定量的高锰酸钾制取氧气,下列图象不能正确描述其变化过程中量的关系的是()A. B. C. D.81.从分子和原子的角度分析并解释下列事实,其中不正确的是()A.氧化汞分解成汞和氧气--分子可以再分B.物体的热胀冷缩--分子的大小发生变化C.品红在水中扩散--分子在不断运动D.一滴水中大约有1.67×1021个水分子--分子很小82.用分子的观点解释下列现象,不合理的是()A.食物变质--分子本身发生变化B.汽油挥发--分子大小发生变化C.热胀冷缩--分子间隔改变D.花香四溢--分子在不断地运动83.下列事实与对应的解释相符合的是()A.甘蔗甜,苦瓜苦:不同分子性质不同B.空气能被压缩:分子体积可以变小C.结冰的水不能流动:结冰时水分子不再运动D.50mL水和50mL酒精混合后的总体积小于100mL:分子的质量和体积都很小84.生活中处处有化学,对生活中的下列现象,从微观角度解释合理的是()A.铁锭很难被压缩,是因为铁原子之间没有间隙B.液化石油气加压后贮存在钢瓶中,是因为分子很小C.温度计里的水银柱下降,是因为原子随温度的降低而减小D.在花园里能闻到花香,是因为分子在不停的运动85.“尾气催化转化器”可以将汽车尾气中有毒气体转变为无毒气体,下面是其中一个化学反应的微观示意图,其中不同的圆球代表不同的原子.从图中获得信息错误的是()A.催化剂在反应前后质量不变B.分子间存在着一定的空隙C.图中生成物均为化合物D.参加反应的两种分子的个数比为1:186.下列示意图形象地表示了A()与B()反应生成C()其反应前后分子及数目的变化,则该反应的化学方程式中,A、B、C的化学计量数之比为()A.2:1:2B.1:2:2C.1:1:1D.2:2:387.下列四种粒子的结构示意图中,说法正确的是()A.它们表示四种不同的元素B.②③④表示的元素都是非金属元素C.③表示的元素在化合物中通常显+1价D.①③表示的是阳离子88.下列事实的微观解释正确的是()选项事实解释A 金刚石、石墨物理性质有很大差异碳原子结构不同B 氯化钠溶液导电分子中有自由移动的离子C 空气能被压缩气体分子间间隔较大D 香水要密封保存粒子根小89.今年,我省合肥、芜湖等城市已开始使用西气东输工程送来的天然气,天然气主要成份是CH4,下列四位同学在讨论化学式CH4的意义,其中错误的是()A. B. C. D.90.下列对可制成单分子二极管的三聚氰胺(化学式为C3H6N6)的叙述,正确的是()A.三聚氰胺是混合物B.三聚氰胺中碳、氢、氮的质量比为6:1:14C.三聚氰胺的相对分子质量为126gD.三聚氰胺中氮的质量分数为84%91.钼是稀有矿产资源,主要用于航天合金材料制作.在元素周期表中钼元素的某些信息如图所示.下列有关钼的说法正确的是()A.属于非金属元素B.元素符号为MOC.相对原子质量为95.94gD.原子核内质子数为4292.在我们日常生活中出现了加碘食盐、增铁酱油、富硒茶叶等,这里的碘、铁、钙、硒应理解为()A.单质B.分子C.元素D.氧化物93.在每个CO2、SO2、O2分子中含有相同的()A.氧分子数B.氧原子数C.元素种类D.相对分子质量94.如图为元素周期表的一部分(x元素信息不全).下列说法正确的是()A.碳元素与氧元素的化学性质相似B.X表示N2C.氧原子的相对原子质量是8gD.三种元素原子的质子数不同95.我省的祁门红茶是“世界四大红茶”之一,由于香叶醇(C10H18O)的含量高于普通茶叶的几十倍,因而具有独特的玫瑰花香.下列关于香叶醇的说法错误的是()A.由C、H、O三种元素组成B.闻到玫瑰花香说明分子在不断运动C.属于有机化合物D.组成元素中,氢元素的质量分数最大96.主要是由于水被污染而产生的现象是()①河流干枯或断流②河中的鱼虾稀少或绝迹③河水有异味④城市地表逐渐下沉⑤经常出现尘暴、大雾天气⑥土壤沙漠化.A.①⑤B.②⑥C.②③D.④⑥97.今年“中国水周”的宣传主题为“严格水资源管理,保障可持续发展”.下列做法不符合主题的是()A.合理开采地下水资源B.推广使用节水型器具C.工业污水未经处理直接排放D.加强对水资源的综合性统筹规划98.下列关于水的说法中,正确的是()A.自来水澄清透明,属于纯净物B.水覆盖了地球大约3/4的表面,因此不存在水危机C.长期饮用纯净水,有益于身体健康D.经济的发展、人口的增长,会造成淡水资源的紧张99.小明同学对泥水进行过滤后发现液体仍然混浊,下列解释有误的是()A.仪器不洁净B.液面超过的滤纸的边缘C.滤纸破损D.漏斗下端未靠在下面烧杯的内壁上100.以下是净水的操作,单一操作相对净化程度由低到高的排列顺序正确的是()①静置沉淀②过滤③吸附沉淀④蒸馏.A.①②③④B.①④②③C.①③②④D.③①②④101.下列关于除去水中杂质的说法正确的是()A.通过过滤的方法可以除去河水中的所有杂质B.明矾溶于水形成胶状物,对杂质吸附,使杂质沉降C.活性炭可以除去水中臭味,是因为活性炭与臭味物质能发生化学反应D.煮沸可以除去水中的可溶性钙、镁离子,降低水的硬度,成为蒸馏水102.对在水的电解实验中,观察到的实验现象描述正确的是()A.正极产生氢气B.与电源正极相连的试管内收集的气体体积大C.正、负两极产生的气体质量比为1:8D.与电源正、负两极相连的试管内收集的气体体积比为1:2 103.下列实验指定容器中的水,其解释没有体现水的主要作用的是()A B C D实验装置硫在氧气中燃烧测定空气中氧气含量铁丝在氧气中燃烧排水法收集氢气(氢气难溶于水)解释集气瓶中的水:吸收放出的热量量筒中的水:通过水体积的变化得出O2体积集气瓶中的水:冷却溅落融熔物,防止集气瓶炸裂集气瓶中的水:排水法收集氢气,气体更纯.104.节约用水和合理开发利用水资源是每个公民应尽的责任和义务,下列做法与之不相符的是()A.洗菜、洗衣、淘米的水用来浇花、拖地、冲厕所 B.将活性炭放入硬水中使其软化C.加强工业废水的排放监控,坚持达标排放D.合理施用农药、化肥,以减少水体污染105.下列叙述正确的是()A.一个水分子由两个氢原子和一个氧原子构成B.水由氢气和氧气组成C.水由一个氢分子和一个氧原子构成D.水由两个氢原子和一个氧原子构成106.氢气作为21世纪极具开发前景的新能源之一,理由是()①燃烧热值高②原料资源丰富③贮存和运输时安全性高④燃烧产物无污染.A.①②③B.①②④C.②③④D.①③④107.学习化学的目的是要善于用化学知识去分析、解决生产生活中的问题.从化学的角度看,下列说法中不正确的是()A.夜晚发现厨房煤气管道漏气,立即关闭阀门并开窗通风B.生活中可用过滤的方法降低水的硬度C.扑灭电器、图书档案等火灾最适宜的灭火器是液态二氧化碳灭火器D.实验室常用石灰水鉴别二氧化碳,用烧碱溶液吸收二氧化碳108.航天飞船常用铝粉与高氯酸铵(NH4ClO4)混合作为固体燃料,高氯酸铵中氯元素的化合价为()A.-1 B.+3 C.+5 D.+7109.已知氮元素形成的一种氧化物中,氮元素与氧元素的质量比为7:4,则该化合物的化学式是()A.N2O B.NO2 C.NO D.N2O5110.由A和B两种元素组成的化合物中,已知A和B的元素质量比为21:8,而A和B的相对原子质量之比为7:2,则该化合物的化学式为()A.A2B3B.A3B4C.A2B5D.AB111.如图,这四位同学描述的可能是下面的哪一个化学式()A.H2SO4B.O3C.H2OD.NO112.大蒜中含有一种有效成分辣素“硫化丙烯”,其化学式为C3H6S,能杀菌,具有一定的抗病功能和食疗价值.下列关于硫化丙烯的说法中正确的是()A.1个硫化丙烯分子中含有3个氢分子B.硫化丙烯由三个碳元素、六个氢元素、一个氧元素组成C.硫化丙烯分子由碳、氢、氧三种元素组成D.1个硫化丙烯分子由3个碳原子、6个氢原子、1个硫原子构成113.已知某氮的氧化物中氮与氧两元素的质量比为7:12,则该氧化物的化学式为()A.NOB.NO2C.N2O3D.N2O5114.空气中含量最多的元素和地壳中含量最多的金属元素、非金属元素组成的化合物是()A.Na2CO3B.Al(NO3)3C.Fe(NO3)3D.Fe2(SO4)3115.武广高速全程都是无缝铁轨.无缝铁轨不可能一次成型,它是在铺设时将短轨通过反应:2Al+XAl2O3+2Fe焊接而成.根据质量守恒定律推断,X的化学式是()A.FeOB.Fe3O4C.FeO2D.Fe2O3116.在化学反应A+B=C+D中,8g A和16g B恰好完全反应生成10g C,若有12g A参加反应,生成D 的质量是()A.20gB.24gC.15gD.21g117.在反应2A+5B=2C+4D中,C、D的相对分子质量比为9:22,若2.6gA与B完全反应后,生成8.8gD,则该反应中B、C的质量比为()A.40:9B.8:11C.10:11D.31:44118.在一个密闭容器中放入X,Y,Z,W四种物质,在一定条件下发生化学反应,一段时间后,测得相关数据如下表,下列关于此反应的认识,正确的是()物质X Y Z W反应前的质量/g 8 m 8 7反应后的质量/g 0 3 30 25C.反应后生成30g ZD.参加反应的X与Y的质量比为1:4119.在一个密闭容器内有X、Y、Z、Q四种物质,在一定条件下充分反应,测得反应前后各物质的质量如下:物质X Y Z Q反应前质量/g 2 2 84 5反应后质量/g 待测24 0 14下列推断正确的是()A.该反应是分解反应B.反应后生成24gYC.反应后X的质量为53gD.反应中X与Q发生改变的质量之比为55:14120.在A+B=C+2D的反应中,已知2.9g A跟4.9g B完全反应生成6g C,且D的相对分子质量为18,则A的相对分子质量为()A.29B.49C.58D.85121.下列叙述中,主要利用了单质碳在常温下化学性质稳定的是()①档案材料要用碳素墨水填写②木桩埋入地里的一段用火将其表面烤焦③石墨做铅笔芯④古代用墨汁写字绘画⑤石墨粉作耐高温的润滑剂.A.①④⑤B.①②④C.②③④D.①③⑤122.活性炭可以除去冰箱中的异味,这是利用了活性炭的()A.可燃性B.还原性C.吸附性D.稳定性。

【期末卷】人教版小学数学四年级(下)期末精选训练卷(一)(含答案)

【期末卷】人教版小学数学四年级(下)期末精选训练卷(一)(含答案)

人教版小学四年级(下)期末精选训练卷(一)数学(考试时间:60分钟试卷满分: 100分)学校:班级:考号:得分:题号一二三四五六总分评分一、单选题(共8题;共16分)1.与35×101的结果不相等的算式是()A. 35×100+1B. 35×(100+1)C. 35×100+352.72-4×6÷3如果要先算减法,再算乘法,最后算除法,应选择()A. 72-4×6÷3B. (72-4)×6÷3C. (72-4×6)÷33.读100.020这个小数时,要读出()个零。

A. 4B. 2C. 34.计算102×99时,小玉想到了这样的方法:102×100-102,这是依据()。

A. 乘法结合律B. 加法结合律C. 乘法分配律5.去掉()末尾的0,这个数的大小就改变了。

A. 200B. 40.80C. 3.2006.下面的图形中,对称轴最多的图形是()。

A. B. C. D.7.下面图形中不是轴对称图形的是()A. 长方形B. 等腰梯形C. 菱形D. 平行四边形8.服装厂做了102套西服,每套西服上衣的价钱是366元,裤子的价钱是234元,求这批西服的总价钱,既正确又简便的算式是()。

A. 366×234×102B. 366×102+234×102C. (366+234)×102二、判断题(共4题;共8分)9.近似数是7.59的三位小数不止一个。

()10.0.3和0.30大小相等,计数单位也相同。

()11.平行四边形有一条对称轴。

()12.钝角三角形中只有一个钝角。

()三、填空题(共5题;共6分)13.25×108=25×100+25×8运用了乘法________律。

14.根据60×10=600,55-30=25,600÷25=24,列成综合算式是________。

第四章 光现象(基础训练)(解析版))

第四章 光现象(基础训练)(解析版))

第四章光现象期末复习基础训练一、单选题1.如图是小孔成像的示意图,下列说法正确的是()A. 小孔成像的成因是光的直线传播B. 木板上的小孔一定是圆形的C. 蜡烛在光屏上形成的像是虚像D. 蜡烛在光屏上形成的像是正立的【答案】A【解析】解:A、小孔成像是由光的沿直线传播形成的,故A正确;B、小孔成像成的是物体的像,与小孔的形状无关,故B错误;CD、蜡烛在光屏上成的像是倒立的实像,故CD错误。

故选:A。

2.太阳光垂直照射在塑料棚顶一个很小的“△”形孔上,在地面上形成的光斑是()A. 圆形B. 方形C. “△”形D. “∇”形【答案】A【解析】当太阳光通过塑料薄膜上的“△”小孔时,由于光的直线传播,在地面上就会形成太阳的像,因此光斑的形状与太阳的形状一样,是圆形的,与孔的形状无关,所以选项A正确。

故选A。

3.下列关于光源的说法中,正确的是()A. 能被眼睛看到的物体都是光源B. 天空中的星星都是光源C. 发光的电灯不是光源D. 点燃的蜡烛是光源【答案】D【解析】A.眼睛能看到的物体,有的是自己发光,是光源;有的因为物体反射了其他光源的光进入我们的眼睛,而不是因为物体自身能发光,则不是光源;故A错误;B.自身能够发光的物体叫光源,有的星星是恒星,它可以自己发光,就是光源,而有些星星是行星(水星、火星等)或者卫星它们反射了恒星的光,就不是光源,故B错误;C.发光的电灯是人造光源,故C错误;D.点燃的蜡烛是人造光源,故D正确。

故选D。

4.假如光在同种均匀物质中不沿直线传播,下列现象可能出现的是A. 地球上没有昼夜之分B. 做操时更容易将队伍排直C. 阳光下的人影更清晰D. 更容易形成日食和月食【答案】A【解析】假如光在同一均匀物质中不沿直线传播,即光在同一均匀物质中发生偏折,那么阳光无法照射的地方也会因为光的偏折而变亮,所以地球上没有昼夜之分,阳光下也没有人影了,做操时也不容易排直队伍了,也不可能形成日食和月食了。

期末基础训练 部编版道德与法治七年级下册

期末基础训练 部编版道德与法治七年级下册

七年级下册道德与法治期末基础训练姓名:班级:命题人:七年级道法组一、单选题1.上课前,一位老师对他的学生说:“课堂上,没有愚蠢的问题,此举主要是()A.发展独立思维B.培养批判精神C.开发创造潜力D.倡导个性发展2.“在信念的形成过程中,批判性思维者并不被动地接受他人的信念。

相反,他们自己认真考虑所处的环境和情势,拒绝接受不合理的权威意见。

”这说明,青春期的我们培养批判精神()①要有质疑的勇气②要尊重权威,服从权威③要固守并敢于表达自己的观点,向一切权威挑战④要敢于表达不同的观点,但不能只是一味否定A.①②B.①③C.①④D.③④3.“求知是多角度的,因此批判性思维应该是必要的、无处不在的。

”下列做法中没有体现批判性思维的有几处()①小王总是否定他人的观点,认为只有自己的观点才是正确的②小李觉得老师的说法欠妥,却没有向老师提出③小红为了提高成绩,总是盲目模仿其他同学的学习方法④同学们在课堂上大胆发表自己的见解⑤小利通过查阅资料证实了一本书上的错误说法A.2处B.3处C.4处D.5处4.男女同学之间的交往是中学生成长过程中的课题,也是中学生在学校生活中的一个重要内容。

你认为男女同学之间交往应该()①互相尊重②自尊自爱③秘密交往④把握分寸。

A.①②③B.①②④C.②③④D.①②③④5.相遇青春,我们心中开始萌发一些对异性朦胧的情感,这是青春期成长的正常现象。

面对这种朦胧的情感,我们应该()①言行得当自然大方②慎重对待,理智处理③频繁交往勾肩搭背④疏远对方告诉师长A.①②B.①③C.②③D.①④6.观察漫画,你认为青少年应该()A.“行己有耻”,拒绝不良诱惑B.及时追随,彰显青春个性C.大胆尝试,不被规则束缚D.打破常规,做到与众不同7.“行己有耻”出自《论语•子路》。

春秋时期的孔子曾说:“行己有耻,使于四方不辱君命,可谓士矣。

”下列行为中,没有做到“行己有耻”的是()①拿别人的缺点、缺陷、姓名开玩笑②经常帮助同学,特别是身体残疾的同学③喜欢散播小道消息,专门讲同学的糗事④上课时给同学们讲故事听,让同学们发笑A.①③④B.①②④C.①②③D.②③④8.刘燕为调节不良情绪,有时会选择在适当的场合哭一场。

高二数学期末综合训练(含答案)

高二数学期末综合训练(含答案)

高二期末数学综合训练一.单选题1.设x=﹣是函数f(x)=ln(x+2)﹣ax2﹣3a2x的极小值点,则f(x)的极大值为()A.2B.1C.D.2.2019年10月17日是我国第6个“扶贫日”,某医院开展扶贫日“送医下乡”医疗义诊活动,现有五名医生被分配到四所不同的乡镇医院中,医生甲被指定分配到医院A,医生乙只能分配到医院A或医院B,医生丙不能分配到医生甲、乙所在的医院,其他两名医生分配到哪所医院都可以,若每所医院至少分配一名医生,则不同的分配方案共有()A.18种B.20种C.22种D.24种3.《九章算术》是我国古代的数学名著,书中有如下问题:“今有五人分五钱,令上二人所得与下三人等.问各得几何.”其意思为“已知甲、乙、丙、丁、戊五人分5钱,甲、乙两人所得与丙、丁、戊三人所得相同,且甲、乙、丙、丁、戊所得依次成等差数列.问五人各得多少钱?”(“钱”是古代的一种重量单位).这个问题中,甲所得为()A.钱B.钱C.钱D.钱4.已知集合A={1,2,3,4},B={1,2,3,4,5},从集合A中任取3个不同的元素,其中最小的元素用a表示,从集合B中任取3个不同的元素,其中最大的元素用b表示,记X=b﹣a,则随机变量X的期望为()A.B.C.3D.45.在二项式(x﹣2y)6的展开式中,设二项式系数和为A,各项系数和为B,x的奇次幂项的系数和为C,则=()A.﹣B.C.﹣D.6.已知数列{a n}:,,,,,,,,,,,,,…(其中第一项是,接下来的22﹣1项是,,再接下来的23﹣1项是,,,,,,,依此类推.)的前n项和为S n,下列判断:①是{a n}的第2036项;②存在常数M,使得S n<M恒成立;③S2036=1018;④满足不等式S n >1019的正整数n 的最小值是2100.其中正确的序号是( ) A .①②③B .①②④C .①③④D .②③④7.在平面直角坐标系xOy 中,设双曲线2222:1(0,0)x y C a b a b-=>>的右焦点为F ,若双曲线的右支上存在一点P ,使得△OPF 是以P 为直角顶点的等腰直角三角形,则双曲线C 的离心率为( )A.2B.2C.3D.5 8. 已知实数1x ,2x 满足131x x e e =,()522ln 2x x e -=,则12x x =( )二.多选题9.设等比数列{a n }的公比为q ,其前n 项和为S n ,前n 项积为T n ,并满足条件a 1>1,且a 2020a 2021>1,(a 2020﹣1)(a 2021﹣1)<0,下列结论正确的是( ) A .S 2020<S 2021 B .a 2020a 2022﹣1<0 C .数列{T n }无最大值D .T 2020是数列{T n }中的最大值10.已知函数f (x )的定义域为(0,+∞),导函数为f ′(x ),xf ′(x )﹣f (x )=xlnx ,且,则( )A .f ′()=0B .f (x )在处取得极大值C .0<f (1)<1D .f (x )在(0,+∞)单调递增11.已知椭圆(222:105x y C b b+=<<的左、右焦点分别为1F 、2F ,点P 在椭圆上,点Q 是圆()2241x y +-=关于直线0x y -=对称的曲线E 上任意一点,若2PQ PF -的最小值为5- ).A .椭圆C 的焦距为2B .曲线E 过点2F 的切线斜率为±C .若A 、B 为椭圆C 上关于原点对称的异于顶点和点P 的两点,则直线PA 与PB 斜率之积为15- D .2PQ PF +的最小值为212.已知某校有1200名同学参加某次模拟考试,其中数学考试成绩X 近似服从正态分布(100225)N ,,则下列说法正确的有( )(参考数据:①()0.6827P X μσμσ-<≤+=;②(22)0.9545P X μσμσ-<≤+=; ③3309().973P X μσμσ-<≤+=)A .这次考试成绩超过100分的约有500人B .这次考试分数低于70分的约有27人C .(115130)0.0514P X <=≤D .从中任取3名同学,至少有2人的分数超过100分的概率为12三.填空题 13. 定义max {a ,b }=且f (x )=﹣2e ,g (x )=,令h (x )=max {f (x ),g (x )},则h (x )的极大值为 ,单调递增区间为 .14.已知一袋中有标有号码1、2、3、4的卡片各一张,每次从中取出一张,记下号码后放回,当四种号码的卡片全部取出时即停止,则恰好取6次卡片时停止的概率为 .15.已知函数()f x 定义在R 上的函数,若2()()0xf x e f x --=,当0x ≤时,()()0f x f x '+<,则不等式21()(1)x f x e f x -≥-的解集为__________16.设12,F F 分别为椭圆2212211:1x y C a b +=(110a b >>)与双曲线2222222:1x y C a b -=(220a b >>)的公共焦点,它们在第一象限内交于点M ,01290F MF ∠=,若椭圆的离心率13,43e ⎡∈⎢⎣⎦,则双曲线2C 的离心率2e 的取值范围为__________.四.解答题17.小李在县城租房开了一间服装店,每年只卖甲品牌和乙品牌中的一种.若当年卖甲品牌,则下一年卖甲品牌的概率为23,卖乙品牌的概率为13;若当年卖乙品牌,则下一年卖甲品牌的概率为14,卖乙品牌的概率为34.已知第一年该店卖甲品牌,且第x 年卖甲品牌有6.50.5x +万元利润,卖乙品牌有9.50.5x +万元利润.(1)求前3年的利润之和超过25万元的概率; (2)求该服装店第四年的利润的数学期望.18.在平面直角坐标系中,圆O 交x 轴于点F 1,F 2,交y 轴于点B 1,B 2.以B 1,B 2为顶点,F 1,F 2分别为左、右焦点的椭圆E 恰好经过点⎝⎛⎭⎫1,22. (1)求椭圆E 的方程;(2)设经过点(-2,0)的直线l 与椭圆E 交于M ,N 两点,求△F 2MN 面积的最大值.19.设f (x )=x ln x -ax 2+(2a -1)x ,a ∈R .(1)令g (x )=f ′(x ),求g (x )的单调区间;(2)已知f (x )在x =1处取得极大值,求实数a 的取值范围.高二期末综合训练答案一、单选题1【解答】解:函数f(x)=ln(x+2)﹣ax2﹣3a2x,定义域是:{x|x>﹣2}f′(x)=﹣2ax﹣3a2因为x=﹣是函数f(x)=ln(x+2)﹣ax2﹣3a2x的极小值点,则:f′(﹣)=0,解得:9a2﹣3a﹣2=0,即:a=﹣,或a=,讨论a;①当a=﹣时,函数f′(x)=+x﹣=,在(﹣2,﹣1),f′(x)>0在(﹣1,﹣)f′(x)<0在(﹣,+∞)f′(x)>0∴函数f(x)在x=﹣取得极小值点,在x=﹣1取得极大值点,∵函数定义域是:{x|x>﹣2}∴f(x)的极大值为f(﹣1)=②当a=时,函数f′(x)=﹣x﹣=﹣,在(﹣2,﹣),f′(x)>0在(﹣,+∞),f′(x)<0∴x=﹣不是函数f(x)=ln(x+2)﹣ax2﹣3a2x的极小值点,与题设矛盾,a=舍去.综合可得:x=﹣是函数f(x)=ln(x+2)﹣ax2﹣3a2x的极小值点时,f(x)的极大值为:.故选:D.2.【解答】解:根据题意,分4种情况讨论:①甲乙都分到A医院,剩下3人全排列,分配到其三个医院,有A33=6种分派方案;②甲分配到医院A,乙分配到医院B,剩下3人分成2组,安排到C、D医院,有C32A22=6种分派方案;③甲和一名医生一起分到A医院,乙在B医院,剩下2人全排列,安排到C、D医院,有C21A22=4种分派方案;④甲单独分到A医院,乙和一名医生一起分到B医院,剩下2人全排列,安排到C、D医院,有C21A22=4种分派方案;则一共有6+6+4+4=20种分配方案;故选:B.3.【解答】解:依题意设甲、乙、丙、丁、戊所得钱分别为a﹣2d,a﹣d,a,a+d,a+2d,则由题意可知,a﹣2d+a﹣d=a+a+d+a+2d,即a=﹣6d,又a﹣2d+a﹣d+a+a+d+a+2d=5a=5,∴a=1,则a﹣2d=a﹣2×=.故选:B.4.【解答】解:根据题意,从集合A中任取3个不同的元素,则集合A有4种可能,分别为:{1,2,3},{1,2,4},{1,3,4},{2,3,4},其中最小的元素a取值分别为:1,2.从集合B中任取3个不同的元素,则集合B有10种可能,分别为:{1,2,3},{1,2,4},{1,2,5},{1,3,4},{1,3,5},{1,4,5},{2,3,4},{2,3,5},{2,4,5},{3,4,5},其中最大的元素b取值分别为:3,4,5.∵X=b﹣a,则X的取值为:1,2,3,4.P(X=1)==;P(X=2)===;P(X=3)===;P(X=4)===.随机变量X的分布列如下:X1234PE(X)=1×+2×+3×+4×=.故选:A.5.【解答】解:在二项式(x﹣2y)6的展开式中,二项式系数和A=26=64,令x=y=1,得各项系数和B=(﹣1)6=1,令f(x)=(x﹣2)6,得x的奇次幂项的系数和C===﹣364,所以=﹣=﹣.故选:A .6.【答案】C 【解答】解:①是{a n }的第k 项,则k =21﹣1+22﹣1+……+210﹣1=﹣10=2036;②由题意可得:分母为2k 时,==(k ∈N *),可得:S n 单调递增,且n →+∞时,S n →+∞,因此不存在常数M ,使得S n <M 恒成立,因此不正确; ③由②可得:S 2036=++……+=++……+==1018,因此正确.④S 2036=1018,设S 2036+=1018+>1019,则k (k +1)>212,解得k >64.∴满足不等式S n >1019的正整数n 的最小值=2036+64=2100,因此正确. 其中正确的序号是①③④. 故选:C .7.或2) 【分析】先根据OPF △的形状先确定出P 点坐标,然后将P 点坐标代入双曲线方程,根据,a c 的齐次式求解出离心率的值. 【详解】因为OPF △是以P 为直角顶点的等腰直角三角形, 不妨假设P 在第一象限,所以122P P F c x y x ===,所以,22c c P ⎛⎫ ⎪⎝⎭, 所以2222144c c a b-=,所以2222224c b c a a b -=,所以()()222222224cca c a a c a --=-,所以4224640c a c a -+=,所以42640e e -+=,所以23e ==又因为1e >,所以2e ===,2).8.解法一:实数1x ,2x 满足131xx e e =,()522ln 2x x e -=,2120,x x e >>,222ln 20,t x t x e +-=>=,则3t te e =,()(0),()(1)0(0)x x f x xe x f x x e x '=>=+>>,所以()f x 在(0,)+∞单调递增,而31()()f x f t e ==,5121222ln 2,(ln 2)x t x x x x x e ∴==-∴=-=.解析二:对131x x e e =两边取自然对数得:11ln 3x x +=,对()522ln 2x x e -=两边取自然对数得:()22ln ln ln 25x x +-= (※)为使两式结构相同,将(※)进一步变形为:()()22ln 2ln ln 23x x -+-= 设()ln f x x x =+,则1()10f x x'=+> 所以()f x 在(0,)+∞单调递增,()3f x =的解只有一个.∴12ln 2x x =-, ∴()51222ln 2x x x x e =-=二、多选题9.【解答】解:根据题意,根据题意,等比数列{a n }的公比为q ,若a 2020a 2021>1,则(a 1q 2019)(a 1q 2020)=(a 1)2(q 4039)>1,又由a 1>1,必有q >0,则数列{a n }各项均为正值,若(a 2020﹣1)(a 2021﹣1)<0,必有a 2020>1,0<a 2021<1,则必有0<q <1, 依次分析选项:对于A ,数列{a n }各项均为正值,则S 2021﹣S 2020=a 2021>0,必有S 2020<S 2021,A 正确;对于B ,若0<a 2021<1,则a 2020a 2022﹣1=(a 2021)2﹣1<0,B 正确,对于C ,根据a 1>a 2>…>a 2020>1>a 2021>…>0,可知T 2020是数列{T n }中的最大项,C 错误;对于D ,易得D 正确, 故选:ABD .10.【解答】解:令g (x )=,则g ′(x )==,∴g (x )=,即,则f (x )=. 又f ()=,∴c =. 则f (x )=. f ′(x )==≥0, 则f ′()=0,故A 正确;f (x )在(0,+∞)单调递增,故B 错误,D 正确; f (1)=∈(0,1),故C 正确. 故选:ACD .11.【答案】BC圆()2241x y +-=关于直线0x y -=对称的曲线为以(4,0)C 为圆心,1为半径的圆,即曲线E 的方程为()2241x y -+=,由椭圆定义有122PF PF a +==2111)'PQ PF PQ PF PQ PF Q F -=-=+--由图知'(3,0)Q ,1'352Q F c c -=+-=-⇒=,1b =,椭圆方程为2215x y +=故焦距2124F F c ==,A 错误;22'31PQ PF Q F c +≥=-=,D 错误;设曲线E 过点2F 的切线斜率为k ,则切线方程为20kx k y --=,1k =⇒=,B 正确; 设00(,)P x y ,11(,)A x y ,11(,)B x y -- 则2210101022101010PA PBy y y y y y k k x x x x x x ----⋅=⋅=----, 又,,P A B 都在椭圆上,即222222010101221011555x y y x y y x x -+=+=⇒=--,C 正确; 故选:BC. 12.【详解】由题意可知,对于选项A ,100μ=,15σ=,则()11002P X >=,则成绩超过100分的约有112006002⨯=人,所以选项A 错误; 对于选项B ,()()()7070100100P X P X P X >=<<+>=()111002151002150.50.95450.50.9772522P X -⨯<<+⨯+=⨯+=,所以()701P X <=-()7010.977250.02275P X >=-=,所以分数低于70分的人数约为0.02275×1200=27.3,即约为27人,所以选项B 正确; 对于选项C ,()()()111510010015100150.52P X P X P X <=<+-<<+=+10.68270.841352⨯=,()()()11301001002151002150.52P X P X P X <=<+-⨯<<+⨯=+10.95450.97272⨯=,所以()()()1151301301150.97270.84135P X P X P X <≤=≤-<=-=0.13135,所以选项C错误;对于选项D,因为()11002P X>=,且至少有2人的分数超过100分的情况如下:①恰好2人时概率为223113228C⎛⎫⋅=⎪⎝⎭;②3人均超过100分时的概率为31128⎛⎫=⎪⎝⎭,则至少有2人的分数超过100分的概率为311882+=,所以选项D正确;故选:BD.三、填空题13.【解答】解:因为g(x)=(x>0),所以g′(x)=,令g′(x)=0,则x=e,当0<x<e时,g′(x)>0,g(x)单调递增,当x>e时,g′(x)<0,g(x)单调递减,所以g(x)极大值=g(e)=,由f(x)=g(x),即x﹣2e=,得x=,作出h(x)=max{f(x),g(x)}的大致图象如下:则h(x)极大值=g(e)=,且在(0,),(e,+∞)上单调递减,在[,e]上单调递增,则h(x)的单调递增区间为[,e].故答案为:,[,e].14.【解答】解:由分步计数原理知,每次从中取出一张,记下号码后放回,进行6次一共有45种不同的取法.恰好取6次卡片时停止,说明前5次出现了3种号码且第6次出现第4种号码,三种号码出现的次数分别为3,1,1或者2,2,1.三种号码分别出现3,1,1且6次时停止的取法由, 三种号码分别出现2,2,1且6次时停止的取法由, 由分步加法计数原理知恰好取6次卡片时停止,共有240+360=600种取法, 所以恰好取6次卡片时停止的概率为P =,故答案为. 15.【答案】12x x ⎧⎫≥⎨⎬⎩⎭【解析】令()()x g x f x e =,则()()xg x f x e --=-, 因为2()()0x f x e f x --=,所以()()x x f x e f x e -=-,即()()g x g x =-, 所以函数()g x 为偶函数;又()[]()()()()x x xg x f x e f x e f x f x e '''=+=+, 当0x ≤时,()()0f x f x '+<,所以()[]()()0xg x f x f x e ''=+<,即函数()g x 在(),0-∞上单调递减; 则()g x ()0,∞+上单调递增;又不等式21()(1)x f x e f x -≥-可化为1()(1)x x f x e f x e -≥-,即()()1g x g x ≥-, 所以只需1x x ≥-,则()221x x ≥-,解得12x ≥. 故答案为:12x x ⎧⎫≥⎨⎬⎩⎭. 16.解法一:由椭圆及双曲线定义得1211221122122,2,MF MF a MF MF a MF a a MF a a +=-=⇒=+=-因为01290F MF ∠=,所以222222121212221211()()422a a a a c a a c e e ++-=⇒+=⇒+=因为13,43e ⎡∈⎢⎣⎦,所以2222111272[,][9872e e e =-∈⇒∈ 因为22a b >,所以21e <<,因此2[7e ∈ 解法二:直接用结论212122221cos 221cos 1221e e e e ππ+=⇒+-=+,因为13,43e ⎡∈⎢⎣⎦,所以2222111272[,][9872e e e =-∈⇒∈因为22a b >,所以21e <<,因此2[7e ∈四、解答题17.【详解】(1)由题意,该服装店前3年卖的品牌有4种情况:“甲、甲、甲”的概率为224339⨯=,利润为77.5822.5++=万元;“甲、甲、乙”的概率为212339⨯=,利润为77.51125.5++=万元;“甲、乙、甲”的概率为1113412⨯=,利润为710.5825.5++=万元;“甲、乙、乙”的概率为131344⨯=,利润为710.51128.5++=万元所以前3年的利润之和超过25万元的概率为211591249++=.(2)由(1)知该服装店第三年卖甲品牌的概率为411991236+=, 卖乙品牌的概率为21179436+=, 所以第四年卖甲品牌的概率为192171203363364432⨯+⨯=, 从而第四年卖乙品牌的概率为2032291432432-=,又第四年卖甲品牌的利润为8.5万元,卖乙品牌的利润为11.5万元, 因此第四年的利润的数学期望为20322914538.511.5432432144⨯+⨯=. 18.解:(1)由已知可得,椭圆E 的焦点在x 轴上.设椭圆E 的标准方程为x 2a 2+y 2b 2=1(a >b >0), 焦距为2c ,则b =c ,∴a 2=b 2+c 2=2b 2,∴椭圆E 的方程为x 22b 2+y 2b 2=1. 又椭圆E 过点⎝⎛⎭⎫1,22,∴12b 2+12b 2=1,解得b 2=1. ∴椭圆E 的方程为x 22+y 2=1. (2)∵点(-2,0)在椭圆E 外,∴直线l 的斜率存在。

期末综合试题训练—2022-2023学年九年级化学人教版下册+

期末综合试题训练—2022-2023学年九年级化学人教版下册+

人教版化学九年级下册期末综合试题训练一、单选题1.地壳中和人体中含量最多的元素是()A.O B.Si C.Al D.Fe2.属于有机物的是()A.碳酸钙B.木炭C.淀粉D.一氧化碳3.水是生命之源,为了健康,我们必须饮用净化后的水。

下列在常用净水方法中,净化程度最高的是()A.吸附B.过滤C.蒸馏D.沉淀4.新冠疫情期间,用75%的医用酒精进行消毒。

最好选择擦拭局部区域的消毒方式,喷洒酒精遇明火容易引起火灾。

以下说法正确的是()A.“喷洒”降低了酒精的着火点B.“喷酒”使酒精和空气均匀混合C.“喷酒”使酒精分子的体积变小了D.75%的医用酒精中溶剂是酒精5.下列有关合金叙述正确的是()A.焊锡的熔点比纯锡的熔点高B.合金中至少含有两种金属C.黄铜的硬度比纯铜的硬度大D.钢是含碳量在2%~4.3%的铁合金6.用如图装置研究酸、碱的性质,下列有关叙述正确的是()A.澄清石灰水中的溶质是CaCO3B.向1 中滴加Na2CO3 溶液,无明显现象C.向2、3 中滴加无色酚酞溶液,溶液均变红D.向3 中滴加NaOH 溶液,有氯化钠生成SO离子造成的,下列实验无意义的是()7.若用实验证明FeSO4溶液显浅绿色不是由2-4A.观察K2SO4溶液的颜色B.向FeSO4溶液中滴加适量氢氧化钠溶液,振荡后静置,溶液浅绿色消失C.向FeSO4溶液中滴加适量无色氯化钡溶液,振荡后静置,溶液浅绿色未消失D.往FeSO4溶液中加水稀释,溶液颜色变浅8.饮食过量,胃酸会大量分泌,以致消化不良。

为缓减该症状,下列药剂不适宜的是()A.氢氧化铝B.氯化钠C.碳酸镁D.碳酸氢钠9.甲、乙、丙三种金属分别投入稀盐酸中,只有乙表面产生气泡,甲、丙都不反应;如果把甲投入丙的硝酸盐溶液中,甲表面有丙析出,则三种金属的活动性顺序是()A.甲>乙>丙B.乙>甲>丙C.丙>乙>甲D.乙>丙>甲10.下列各组物质在pH=2的溶液中能共存且溶液无色的是()A.KNO3、HCl、CuSO4B.Na2SO4、Zn(NO3)2、H2SO4C.MgCl2、NaOH、FeSO4D.Na2CO3、Ba(OH)2、K2SO411.向CuO和铁粉的混合物中加入一定量的稀硫酸,微热,充分反应后冷却、过滤,在滤液中放入一枚洁净的铁钉,发现铁钉表面无任何变化.据此判断,下列结论正确的是()A.滤液中一定含有FeSO4,可能含有H2SO4B.滤液中可能有CuSO4C.滤液中的溶质只有FeSO4D.滤渣里一定有Cu和Fe12.大数据处理能及时获得更多的信息,下列图象能正确反映对应变化关系的是()A.表示KMnO4加热制O2生成的MnO2的质量与时间的关系图B.表示CO还原CuO的实验中,试管内的固体质量与时间的关系图C.表示向Ca(NO3)2(含少量HCl)溶液中滴加K2CO3溶液,沉淀质量与时间的关系图D.表示向足量的稀HCl中加入少量Fe,溶液质量与时间的关系图二、填空题13.把某种金属用小刀轻轻切下一小块放入盛水的烧杯中,观察到该金属能与水剧烈反应,并放出热,本身熔化成银白色的小圆球,浮在水面上,根据以上叙述,推断该金属的物理性质有:①硬度;②熔点;③密度;④颜色.14.20℃时,氯化钠的溶解度是36g,其含义是.其饱和溶液中溶质,溶剂,溶液的质量比是.15.如图是A、B、C三种固体物质的溶解度曲线图.据图回答:(1)t2℃时,A物质的溶解度是(2)把t2℃时A、B、C三种物质的饱和溶液降温到t1℃时,所得溶液中溶质质量分数由大到小的顺序是.(3)当A 中含有少量C、B 物质时,可采用(填“降温”或“蒸发”)结晶的方法提纯A物质.(4)当温度℃时,B的溶解度大于A的溶解度.(5)t1℃时,将5克A物质加入到15克水中充分溶解所得溶液的质量为.16.下面是某同学采用的几个实验装置示意图.(1)不能达到实验目的是(填字母).(2)B实验中电源正极产生的气体是.电解水的化学方程是.(3)C实验中玻璃棒的作用是.17.某校化学兴趣小组同学在实验室整理药品时,发现氢氧化钠溶液的试剂瓶未塞瓶塞,且试剂瓶口周围有一些白色固体,他们怀疑氢氧化钠已经变质,于是进行了如下实验探究.【提出问题】氢氧化钠溶液是否变质?【查阅资料】氯化钠溶液、氯化钡溶液呈中性.【实验探究】小王、小李两同学分别设计了不同方案并加以实验.实验步骤 实验现象 结论小王 用pH 试纸测溶液的pH 溶液的pH >7 说明氢氧化钠溶液没有变质小李取少量溶液于试管中,加入适量氯化钡溶液A 说明氢氧化钠溶液已经变质)小李同学认为小王同学的结论不科学,其理由是 .(2)小李同学的实验中观察到实验现象A 为 .该反应的化学方程式为 .(3)小张同学认为该氢氧化钠溶液只是部分变质.为确定小张同学的猜想,应该对小李同学的实验进行如下改进:向试管中加入 的氯化钡溶液,再向试管中滴加酚酞试液,通过观察溶液颜色变化来检验该溶液是否含有氢氧化钠.(4)小王同学在测定溶液pH 实验中,由于紧张先将pH 试纸润湿后再去测氢氧化钠溶液的pH ,你认为他测出该溶液的pH 会 (填“偏大”、“偏小”或“不变”). 【反思】(5)该氢氧化钠溶液变质的原因是 (用化学方程式表示). 【拓展应用】(6)要证明氢氧化钠溶液是否变质,你认为还可使用与小李实验所加试剂不同类别的试剂是 (填一种试剂即可,用化学式填写). (7)若要除去上述变质的氢氧化钠溶液中的杂质应加入适量的 (填化学式)溶液而除去.三、实验探究题18.某化学兴趣小组进行铁生锈的实验探究活动.(1)【探究一】铁生锈的条件(1)该兴趣小组将洁净无锈的铁钉分别置于如图所示装置中,经过一段时间观察 ,(填装置序号)装置中出现了明显的锈迹. 他们的结论:铁生锈是因为铁与空气中的 等发生了化学反应.(2)甲同学提出了疑问:空气中的氮气、二氧化碳没有参与铁的生锈过程吗?请设计实验为甲同学释疑. ,观察并记录现象即可证明. (2)【探究二】影响铁生锈速率快慢的因素乙同学说:妈妈常说菜刀沾有盐水生锈更快.这种说法对吗?同学广泛查阅资料. 资料一:导电性强的溶液都可加速铁的生锈.资料二:海上航行的轮船在与海水接触的部分镶嵌一锌块,能有效降低钢材被腐蚀的速率.(3)将上述A装置中的蒸馏水改为下列液体中的,可使铁生锈的速率加快.a、硫酸钠溶液b、无水乙醇C、蔗糖溶液(4)一些铁制品表面覆盖了某些涂层.不同的涂层被破坏后,铁生锈的速率不同.你认为下列涂层破坏后,铁生锈的速率较快.a、镀锌铁b、镀锡铁(5)一些建筑的大门刷上了一层银白色的金属,你认为该金属可能是.a、银粉b、铜粉c、镁粉(3)【交流与思考】(6)写出一种防止铁生锈的方法.19.化学实验是进行科学探究的重要手段。

新目标七年级上册英语期末单项选择题专项训练及答案

新目标七年级上册英语期末单项选择题专项训练及答案

新目标七年级上册英语期末单项选择题专项训练及答案 单项选择( )1. —Do you like ____ English, Li Chen?—Y es, and I think it's ____ useful subject.A. /; aB. an; anC. /; anD. an; the( )2. —Excuse me, may I use your dictionary? ____ is at home.—Certainly . But remember to return it on time.A. IB. MeC. MyD. Mine ( )3. —How old is your sister?—She's ____. This evening we'll have a party for her ____ birthday .A. ninth; ninthB. nine; ninthC. ninth; nineD. nine; nine ( )4. —This schoolbag looks nice. ____ is it? —It's $30. A. How old B. How much C. What color D. What sport ( )5. —Mike, do you know Lisa's telephone number?—Y es. Y ou can call her ____ 888­0980.A. WithB. forC. atD. in ( )6. —I like history very much.—Really? My brother likes it, too, ____ I don't.A. SoB. andC. becauseD. but ( )7. —Hello! Are these ____ on sale?—Y es. The tomatoes and the carrots are 3 yuan for one kilo. A. Fruits B. vegetables C. clothes D. classes( )8. —Jane, what do you ____ for school now?—Two notebooks and a Chinese dictionary .A. thinkB. comeC. thankD. need ( )9. —How do you like this book, dear?—It's ____. I don't like it.A. interestingB. usefulC. boringD. healthy ( )10. —Can I help you, madam? —____. A. Y es, please. I want a hat B. Y ou're welcome C. I'm fine, thanks D. Here you are( )11. Our National Day(国庆节) is on ________ first day in _________ October. A. a; the B. the; a C. the; / D. a; / ( )12. Our English Day starts________8:00 a. m.________ May 30th.A. at ;inB. at ;onC. in ;onD. on ;on( )13. —Are those pencils ________?I found________ under the desk.—Yes, thank you.A. your ;theyB. your; themC. yours; theyD. yours ;them ( )14. This morning we have ________ classes, and the ________class is Chinese. A. first ;three B. three ;first C. third ;first D. third ;one ( )15. —________ are these shoes?—They are $30.A. How muchB. How oldC. How manyD. What color( )16. I like fruit ________ I don't like vegetables. A. and B. but C. or D. if ( )17. —What fruits do you like?—Oh, fruits? They are ________. A. bananas, pears and oranges B. apples, tomatoes and saladsC. strawberries, burgers and ice­ creamsD. carrots, hot dogs and eggs( )18. —Do you like English, Emily?—Yes, it's very ________. A. boring B. useless C. interesting D. difficult ( )19. —When ________ she have geography?—She ________ it on Wednesday. A. does ;have B. do ;have C. does ;has D. do ;has ( )20. —________—Yes, please. I want a pair of socks for sports. A. What do you like? B. How do you do?C. Can I help you?D. How much are the socks?( )21. Oh, I have ________ English book. It is in my room.A. aB. anC. /D. the( )22. ---Linda, are these Anna’s tapes? ---No. ________ are in the box. A. He B. His C. She D. Hers ( )23. Mary likes fish and ________ for lunch. What about you? A. apple B. food C. hamburgers D. banana( )24. This sweater looks ________ on my daughter. I’ll take it. A. big B. small C. nice D. well( )25. I often play volleyball after class. But my cousin Lily ________. A. does B. doesn’t C. do D. don’t( )26. We usually finish our classes ________ 5:30 in the afternoon. A. at B. in C. on D. from( )27. ---________ is this red T -shirt? ---It’s 17 dollars. A. How much B. How many C. What color D. What( )28. My mother ________ me a pair of new shoes for sports. A. sell B. buy B. sells D. buys( )29. Look! The ball is behind the door. Let’s ________ it.A. getB. to getC. findD. to find( )30. Tom likes vegetables, ________ he eats them every day.A. becauseB. andC. butD. or参考答案1~5:ADBBC6~10:DBDCA11.C12.B13.D14.B15.A16. B点拨:语境法。

(完整word版)初一英语期末复习单选题专项训练

(完整word版)初一英语期末复习单选题专项训练

第一天:1、He walks after school , but I don't walk , I take a bus.A. his home, to homeB. to his home, to homeC. to his home, homeD. his home, home2、I usually listen to the sports news the radio.A. onB. inC.byD./3、. Our English teacher is very . And we all like .A. fun, heB. funny, heC.fun. himD. funny,him4.Do you know girl two big eyes.A . the;have B.a;have C.a;with D.the;with5.We will go shopping if it tomorrow.A don't rainB didn't fainC doesn’t rainD isn’t rain6. The teachers says we shouldn’t read_comic books.A. much tooB.too muchC. too manyD. many too7.Does Mr. Wu Chinese? 一No, he doesn’t.A.reaches yourB. teach yourC. teach youD. teaches you8. I am going to Shanghai tomorrow. I’m looking forward you there.A.to meetB. meetingC. meetD. to meeting9.—Simon, how are you today? 一I am feeling today. Thank youA.goodB. wellC.betterD. best10. Here are .A. my friends and me C. my friend and meB. me and my friends D. my friends and I11. Jim and his cousin sandy always on Sundays.A. meet to each otherB. meets up each otherC. meet each otherD. meets up with each other12. Kate was born America, October, 1990.A. in, inB. in, onC.in, atD. at,in13. I think Brad Pitt is actor the world.A. a best, onB. a best, inC. the best, onD. the best, in14.Where my glasses? I can't find .A. is, itB. does,itC. are, themD. do,them15.一Can you tell me how to write 14:45?A. Fourteen forty fiveB. Two forty fiveC. Fourteen forty-fiveD. Two forty-five16.Let’s twenty to ten. ?A.meet on;shall weB.to meet at;will youC.meet in;will youD.meet at;shall we17. They know you ,and like you too.A. very much; very muchB. very well; Very wellC. very much; very wellD.very well; very much18. Mother wants the house. Could you please her.A. clean;helpB.clean;to helpC. to clean;helpD.to clean;to help19. of the students in Class 2 looks happy.A . AllB .Each C. Both D.Every20.----Is your brother's name Tom? -----Yes, is.A.its B . he C. she D .it第二天:1、------ you free on Sunday?------Yes . I have too much homework to do at weekends.A. Are ;aren't B Are; don't C.Do;don't D.Do;aren't2、Tony is a quiet student, he is active(活跃的) in classA.soB.andC.butD.or3、---would you like my new school this weekend? -----Yes, .A .to visit; I'd like B.visit;I'd like to C.visit;I'd like D.to visit;I'd like to4、----Excuse me, when the supermarket ?----Early in the morning and it from 8 a.m to 9 p.m.A. does open, opensB. is open, is openC. does open ,is openD. does open,opens5、-----Is your brother's name Tom? ---- Yes , isA .its B.he C.she D.it6、We often talk each other lunchtime.A .to;at B. about;in C.with;at D.about;on7、---Who cooks dinner in your home every day ? -----Mother .A.cooksB. isC.areD.does8、----Do you want to play with us? ------ .A .Thank you very much. B.Yes ,I 'd love toC. No ,I don't think soD. You're welcome9、-----Do you know girl two big eyes? ----Yes, She is my English teacher's dau ghter.A. the ;haveB.a;haveC.a;withD.the;with10、Eating too much is bad you, you are too fat.A .of ;because B. for;because C.for;so D .of ;so11. Do you have homework to do every day?A.a lotB. much C . many D. lots12. Simon knows about English . What about you?A. a lot ofB. a lots of C .a lot D. lots of14.----Excuse me, when the supermarket ?---- Early in the morning and it frome 8 a.m to 9 p.m .A .does open,opens B.is open,is open C.does open,is open D.does open ,o pens15. ----Who you English? ----- Mary .A.teach;doesB. teaches;isC.teaches;doesD.teach; is16.The red dress is very beautiful. It must nice you.A .look;onB .looks; in C.be look; on D.look like; to第三天:1、Eddie eats food every day. Hobo thinks he needs some .A. too much; exercisesB. too many ;exercisesC. too many ;exerciseD. too much; exercise2、----Grandma,I wang to you something about my new friend.----Pardon ? Mille, I can't you well. can you it again?A. tell; hear;say B . talk;listen to; speakC. tell; hear;speak D .talk;listen to; say3、------Can I go to the museum this Sunday?------N o. It only from Monday to Friday.A . opensB . openC . is openD .is opened4、It‘s too early now .The shop at 10 a.m. every daysA .is closed B. closes C.is open D .opens5、-------Do you often chat with your friend at weekends?------- N o. I often watch games .A. on phone; on TVB. on the phone ;on the TVC . on phone; on the TVD . on the phone ;on TV6、----Is your cousin good at ?Yes, .A. swim ; he doesB. swims; he is C . swimming;he is D . swimming;he does7、there interesting news in today’s newspaper?A.Is ;some B . Are; some C.Is; any D.Are ; any8、----- a year do you visit your grandparents ?----- Five or six times. Usually at weekends.A. How often B . How long C. How many times D .How many9、would you please come , please?A. that wayB. this wayC. in the wayD. on the way10、The girl a red sweater is a new student in our school.A . on B.in C.has D.with11、If you can't English, you can the word in Chinese.A .speak; sayB .talk; speak C. speak; tell D. tell;say12、If you want to my new house ,you can come after dinner.A. watchB.lookC.findD. look at13、---Does your uncle usually take the bus to work ?----No ,he usually gets there.A .by bikeB .by the bike C. take the bike D.ride the bike14、---Thank you me clean the room ,Helen.----you are welcomeA .to helpB .to helpingC . for helping D.for help15、Teaching young children is ,but the teachers always .A. a hard work ;hard workB. hard work; work hardC. a hard work ;work hard D .hard work; hard work16、Look, there is sheep on the hill. Whose can it be?A .a few B. few C.a little D.little17、I was born the morning of September 1st.A .in B. of C. at D.on18、If you too late ,the host will be unhappy.A .arriveB .get toC . reachD . arrive at19、----Shall we in the river? -----Sorry ,I can't. What about a film at home?A. swim; watchingB.swim;watchC. swimming ;watchingD.swimming;watch20、----I want to go to school early tomorrow,Mum.----OK. Don't worry. I can at 6:00 in the moring.A. wakes you upB.wake you upC. wake up youD.wake up to you21、Mary's daughter looks good the dress.A.with B .in C .on D.at22. On your way , please bring the books .A . to back ; to home B. back;here C. back; there D. to back;to there23. I hope you to see me soon.A .to comeB .will come C. comes D. are come24. -----Do you know the teacher glasses? ------Oh,he is Mr Wang.A. hasB. wear C .with D .in25、----How ofen do you go to see a film?----- .A . Sometimes B. Some timesC . Some time D.Sometime26. Do you know the teacher long hair?A. hasB. haveC. withD. having27. ----Who is at the meeting? -----Mr Zhang is.A .saying B. telling C. talking D. speaking28. It's cold outside . would you please the window?A . much too ; not open B.much too ; not to openC. too much; not to openD.too much; not open第四天:1、The picture looks . I like it very much .A. interestingB.wellC. nicelyD.badly2、They each a CD in their bags.A. haveB.hasC.isD.are3、the weather in Hangzhou? It 's cloudy.A. How 'sB.WhatC.HowD.What's4、------would you like my new school this weekend? ---- Yes, .A. to visit; I'd likeB. visit; I'd like toC. visit; I'd likeD. to visit; I'd like to5、--- does he go to fly kites?--- a month.A. how long ; one timeB.how soon ; onceC. how often; once timeD.how often; once6. he this film?A.What do ,think ofB. What does , thinks ofC.How is , likeD.How does ,lik e7. Read , and you will get high marks.A.muchB.the mostC.moreD.many8.---My son never reads books at home.A.aB.anC.someD.any9. Don 't eat snacks or meat if you want to keep healthyA. too many; too manyB.too much; too manyC. too much; too muchD.too many; too much10. ---We will have a picnic next week .---- .A . Have a good time B.we will too C. I'm happy to hear it D .Don't for get it11. breakfast ,I usually eat an egg,some bread and a glass of milk.A . AtB .On C.In D .For12.We'd better wait more minutes. I think Jeff will come soon.A .a few B.few C . a little D .little13. This is a secret(秘密) between and .A. I and youB. me and youC. you and ID.you and me第五天:1、Sandy and Amy often chat each other and help each other.A. with ;withB./ ; withC. with ; /D. / ; /2. I plan to get Nanjing the evening October 20.A .to, at ,on B.to, on ,on C.at , in ,on D. to, on ,of3. he this film?A .What do,think of B.What does, thinks of C. How is, like D. How does,like4. Read , and you will get high marks.A. muchB. the mostC. moreD.many5. I enjoy going , But I don't want today.A .shopping ; to shop B. shopping , to shopC. to shopping ;to shop D .to shop ;shopping6. I plan to get some information the Internet this eveing.A . about ,atB . on ,on C.from, / D. for ; /7. She always has a good time .A. playB.playing C .to play D .played8. Would you please basketball with?A .to plaay B. playing C. play D.to playing9. What will you about this thing with us?A. talk B .tell C. say D .speak10. The picture looks . I like it very much .A . interesting B. well C.nicely D .badly11. We 'll have fun in English this term.A . a lot B. lots of C. a lots of D. many12.---My son never reads books at home. What can I do?-----You can try reading books with him.A.aB.anC.someD.any13. Every day Mrs Black is busy and she has housework to do,so she has no time TV.A.much too ;too much ;watchingB. too much; too many; to watchC. too much; too many;watching D .much too ; too much ;to watch14. Our Engiush teacher often says to us , “English well is very important."A. Learning B . Learn C. Learned D. To learning15. I read the newspaper breakfast.A. asB. forC. atD.in第六天:1. Dancing on the piayground makes her great.A . feel B. to feel C. feeling2. Mike doesn't like reading books, but he goes to school library .A . sometime B.some times C. some time D.sometimes3. She likes the building a big garden.A. haveB. hasC. andD. with4. ----Look! How beatiful she looks the dress.----Yes . The dress looks really nice her.A . on ; on B. in ; on C. on ; in D. in ; in5.---- Is it time sports ? -----Yes ,it's time to sports.A . to ; haveB . for ; have C. to have; / D. for; /6. What about ?A. go walkingB. going walkingC. go to walkD. going to walk7. ---- Was your cousin born the evening 31st of January? ----Yes!A. on ; ofB. at ; ofC. in ; onD. in ; of8. I think doing eye exercises everyone .A . is good at B. is good for C . are good at D. are good for9. Everyone in my family TV.A . like watching B. likes watching C. like to watch10. -----What's the time? -----It is 9:00 the morning.A . at ; in B. /, in C. at, / D . /, at11. ----Jim likes to with his friends on QQ . What about you? ----- Me too.A. talkB. tellC. speakD. say12. There are books in our school library and the teachers in it are very us stud ents.A . kind of ; kind to B. kinds of ; kind for C. kinds of ; kind to D . kind of ; kind for13. The boy every day. He has to do morning in the morning.A .exercises; exercise B. exercise; exercises C. exercises; exercises D.exercise; ex ercise 14.14. Harry a little wine and we have some in the party.A. drinks; drink B . drinks; drinks C. drink; drinks D . drink; drink第七天:1、I want my story book. please .A. give me itB. give it meC. give it to meD. give it for me2. Let Simon and friends.A. I beB. I amC. me beD. me are3. Class 3 will have a party the evening of December 31st.A . on B. in C. at D. to4. People usually eat moon cakes and watch the moon the evening Mid-Autumn fes tival.A . on ,at B. in, of C. in, at D. on , in5. Children usually make the lanterns big orange pumkins a knife.A. out of; inB. from; withC. out of, withD. from, in6.----Do you often spend half an hour your homework every day? -----Yes ,I do.A. forB.inC.atD. on7. The boy paints his face reed and blue. I don't know who .A. he isB. is heC. he doesD. can be he8. Don't play tricks your classmaters.A. inB. onC. toD. with9. I am very in the film.A. interesting; interestedB. interested; interestedC. interesting; interestingD. interested; interesting10. Can you help me when the train leaves this afternoon.A. look forB.findC.find outD. watch11. My faamily always a party the evening of my son's birthday.A. have ;inB.has; inC. have; onD. has ; at12. It to be right to buy a new flat in 2012.A. looksB. seemsC. likes D . is like13. Harry a little wine and we have some in the party.A. drinks; drinkB.drink ;drinksC. drinks;drinksD.drink ;drink第八天:1. -- do you like better, the blue one or the green one? --- The blue one.A WhyB . Which C. How D. When2.Would you like more wonderful things at the party?A. to find offB. to find outC.to lookD. finding out3.--- What do we have lunch?--- Some rice and fish. Mother tells us about that breakfast.A. for, atB. at, forC. for , forD. at, at4. His family often tricks on each other April Fool's Day.A. plays, onB. play, onC. play, atD. plays, for5. Tomny, play baskerball in the street next time. Yoy may get bit by a car.A. doB. don'tC. mustD. mustn't6.RT-Supermarket at 9 a.m. and it for 10 hours every weekend.A. opens; opensB. opens; is openC. is open ; opensD.open; is open7. the guest will arrive here the night 1 May.A. at ; ofB. in ; ofC. on, ofD. on, in8. I two yuan for a packet of milk every morning.A . spend B. take C.pay D. cost9. To protect the environment, supermarkets don't free plastic bags for shoppers.A. takeB. showC. provideD. carry10.--- are they going to visit?--- They are going to visit China.A. WhereB. WhatC. what placeD. when11. I am busy my wallet, but I can't it.A. looking for; findB. finding ; look forC. with ; findD. seeing; look for12.There is a new shopping mall Times Shopping Mall near my home.A. are playingB.playC.playingD. to play13. There are ten apples and twelve girls here. So we need apples.A. Still twoB. more twoC. two moreD. two another14. There different kinds of food in the supermarket.A. areB. isC. hasD. have15. This pair of jeans her at all.A. fitB. doesn't fitC. don't fitD. fits16. The shopping mall very early and it after 10:00 p.m.A. opens, closesB. is open, is closedC. opens, is closedD. is open, closes17. ---Do you mind my closing the window?---- . It's much too noisy outside.A. Yes, pleaseB. Of course not.C. All rightD. That's all right18. --- How about nice? ---- Thank you.A. someB. anyC. manyD. two19. --- How long do you think the terrible weather will ?--- Why not listen to the weather report?A. appearB. lastC. changeD. discover20. The is just around the corner and you won't miss it.A.bicycle's shopB. bicycle shopC.bicycle shopsD.bicycles' shop21. ---Can I help you? --- Yes, I'd like .A.two kilos of bananaB.two kilo of bananaC.two kilo of bananasD.two kilos of bananas22. This school is different others.A. offB. fromC. ofD. for23. My favourite blouse me $ 150.A. takes B . spends C. costs D. pays24. --- Are you ready to order ,sir? --- .A. Yes, you are welcomeB. Yes, that 's fineC. some orange juice, pleaseD. That 's OK25.Running in the morning is good for your .A. healthyB. healthC. be healthyD. be health26. can help you stay .A. Do exercise; healthyB. Doing exercise; healthyC.Doing exercises; healthD. Do exercise; health27.--- Excuse me , How can I get to the nearnest bus stop?--- Go down this road . It is about walk.A. five minute'sB.five minutes'C. five -minutesD.five -minute。

外研社英语五年级上册期末单项选择题专项训练

外研社英语五年级上册期末单项选择题专项训练

五年级上册期末单项选择题专项训练一、单项选择。

(30分)()1. Did you ________ back last Friday?A. comeB. cameC. coming()2. —________ did you play football yesterday—In the playground.A. HowB. WhereC. What()3. How much ________ do you want?A. bananasB. pearC. meat()4. ________ apples did you buy?A. How manyB. How longC. How much ()5. He wants to ________ my T­shirt.A. wearingB. wearsC. wear()6. Last Sunday, I ________ to the park and ________ an old friend there.A. went; meetB. goes; metC. went; met ()7. You can play football ________.A. wellB. goodC. nice()8. —________ did you go to these places?—By bus.A. WhereB. WhatC. How()9. I bought ________ ice cream yesterday.A. aB. anC. the()10. I didn't buy ________ eggs.A. anyB. someC. much()11. Don't ________ bikes here. It's dangerous.A. ridingB. ridesC. ride()12. There ________ a ruler and two pens in the box.A. beB. isC. are()13. She can't swim. Her mother helps ________.A. herB. sheC. his()14. Sam can ________ the flute.A. playsB. playingC. play ()15. This woman is ________. She can't hear.A. blindB. deafC. beautiful ()16. I will get up ________ half past six tomorrow.A. inB. atC. for()17. You're back ________ China.A. fromB. atC. on()18. I took some photos ________ my mum in the park.A. toB. ofC. from ()19. Ms Smart washed the T­shirt ________ Lingling.A. toB. forC. at()20. What's the matter ________ Sam?A. withB. fromC. for二、单项选择。

期末训练-单项选择题 2022-2023学年牛津译林版七年级英语上册

期末训练-单项选择题 2022-2023学年牛津译林版七年级英语上册

牛津译林版七上期末训练---单项选择题1.—Would you like some orange juice?—_____. I'm very thirsty.A.No, thanks B.Yes, please C.Yes, I would D.I'd love to 2.There are _____ fruit juice in this supermarket.A.many B.many kinds of C.a lot D.а few 3.—_____?—They are my friends, Catherine and Diana.A.How are they B.Who are theyC.What are they D.What color are they4.This salad is made _____ fruits and vegetables.A.of B.by C.in5.Lily, please pass me that box of _____ on the table. I will make a fire to cook meals.A.wood B.light C.games D.matches 6.Middle school students usually have _____ one-day spring outing in April or May.A.a B.an C.the D./7.Mr. Black is our English teacher. We like _____ very much.A.her B.them C.him D.us 8.—Miss Wang, _____ can I improve my listening?—By listening to English songs every day.A.how B.why C.what D.when 9.—_____ do you _____ the Chinese people?—They are very nice.A.What; like B.How; think ofC.What; think of D.How; think about10.—What does Mike look like?—He has _____ big mouth and _____ small eyes.A.a; an B.an; a C.a; / D.an; /11.How long do you _____ reading the book?A.buy B.pay C.spend D.cost12.Cindy doesn't like sports very much. She likes different cultures and the old things, So She likes _____to the _____.A.go, cinemas B.go, restaurantsC.going, museums D.going, internet cafes13.There _____ little sheep on the hill.A.are B.am C.is D.be14.What _____ important piece of news you have offered us!A.an B.a C./ D.the15.Dave wrote _____ article about education and sent it to _____ university in London.A.an; a B.an; an C.a; a16.My sister is _____ English teacher _____ a school.A.a, in B.a, at C.an, on D.an, at17.—Is Tina _____ understanding girl?—Yes, and I always have _____ great time with her.A.a; a B.a; an C.an; a D.an; an18.Miss Green will teach _____ English next term.A.they B.them C.themselves D.their19.Don't worry. Let me _____ you after _____?A.to help; class B.help; classC.to help; the class D.help; a class20.Parents _____ give their children a hongbao in Spring Festival in China.A.never B.usually C.sometime D.not21.—What do you usually do _____ school?—I often play basketball with my friends.A.after B.for C.about D.from22.—_____ is the post office?—It’s across from the library.A.What B.When C.How D.Where 23.Bruce likes playing _____ soccer, so his father buys him _____ soccer ball.A.a; an B.the; a C./; a24.What _____ nice day! Let's go for a picnic.A.a B.an C.the D./25._____ "f" and _____ "u" are in the word "fun".A.An; an B.An; the C.An; a D.A; a 26.—_____ is the school trip?—_____ May.A.When; In B.What; On C.Where; In27.As we know, paper is made _____ trees and books are made _____ paper.A.of; from B.from; of C.of; of D.from; from 28.—How do you usually go to school?—I _____ to school on foot every day.A.go B.went C.was going D.will go 29.—Does your mother like playing basketball?—_____. She never plays it.A.No, she don't B.Yes, I doC.Yes, I am D.No, she doesn't30.Seasons in China _____ seasons in Australia.A.are different from B.is different fromC.different from D.are the same as31.Here is my _____. You can give your mother a call.A.phone B.table C.book D.chair 32.Bob and Peter _____ my good friends.A.be B.am C.is D.are33.If you want to be thinner and healthier, you shouldn't eat _____ food or take _____ exercise.A.more; fewer B.more; less C.fewer; more D.less; more34.My grandmother gets up _____ five _____ the morning.A.at; on B.at; in C.on; in D.in; on 35.—Hi, Peter. What are you doing at the airport?—I'm _____ my mother. Her flight will arrive soon.A.playing with B.looking around C.waiting for36.The celebrations for the 70th anniversary of the founding of the People's Republic of China was heldat Tian'anmen Square in Beijing _____ October 1, 2019.A.in B.on C.at D.by37.— _____ do you like pandas?— _____ they are cute.A.Why; Because B.Why; So C.What; Because38.I love the red dress with the white spots. I'd like to _____.A.try on it B.try it on C.try on them D.try them on39.Linda _____ like bread, but Paul _____.A.doesn't; does B.doesn't; doesn'tC.does; likes D.do; doesn't40.I _____ this book for about a month, so I have to return it as soon as possible.A.have borrowed B.have kept C.have bought D.have posted 41.—_____did your uncle leave his home town?—Let me see. He _____ for nearly twenty years.A.When; has left B.When; has been awayC.How long; has left D.How long; has been away42.I _____ go out for a trip during May Day because of the terrible traffic.A.always B.often C.usually D.never 43.—Please ask your father if he _____ time to talk with me tomorrow.—OK. I will let him call you if he _____ time.A.will have; will have B.has; will haveC.will have; has D.has; has44.We must try _____ who discovered the secret box.A.to work out B.looking out C.looking for D.to find out 45._____ will win the singing contest?A.Who of them you think B.Do you think who of themC.Which of them do you think D.Whom do you think46.In the past, bowls _____ clay or metal.A.were made of B.made of C.were made in D.made in 47.Sally _____ is active girl and she enjoys playing volleyball.A.the B.a C.an D./48.Students should study hard to make their dreams _____.A.come out B.come up C.come true D.come on 49.I exercise every day, so I am _____ healthy.A.a kind of B.pretty C.much D.many 50.Sam is a good student. He is _____ late for school.A.often B.always C.never D.usually答案2. B3. B4. A5. D6. A7. C8. A9. C10. C11. C12. C13. A14. A15. A16. D17. C18. B19. B20. B21. A22. D23. C24. A25. C26. A27. B28. A29. D30. A31. A32. D33. B34. B35. C36. B38. B39. A40. B41. B42. D43. C44. D45. C46. A47. C48. C49. B50. C。

2022-2023年人教PEP版英语三年级下册期末专项训练:单选

2022-2023年人教PEP版英语三年级下册期末专项训练:单选

选择题Welcome back ______ school. ( )A.atB.inC.to【答案】C【解析】略选择题I’m from the _________. ( )A.ChinaC.Canada【答案】B【解析】句意:我来自英国。

A是中国,B是英国,C是加拿大,AC前面都不加the,B前面要加the。

故选B。

选择题We are _________. ( )A.a friendB.friendC.friends【答案】C【解析】略选择题What _____that ? ( )A.isB.amC.are【答案】A【解析】略选择题This is Amy. __________ is a new student. ( ) A.she B.She C.He【答案】B【解析】句意:这是艾米,她是一名新学生。

艾米是女生,故代词用she,首字母要大写,故选B。

选择题are you from? ( )A. WhatB. HowC. Where【答案】C【解析】略选择题-Where are you from? ( )-____________A.I’m Amy.B.I’m from China.C.He is from China.【答案】B【解析】选择题— ________ is that man? ( )— He’s my father.A.WhatB.HowC.Who【答案】C【解析】略选择题How many _______? ( )A.eggsB.eggC.an egg【答案】A【解析】句意:多少鸡蛋?how many后面跟可数名词的复数形式,A是复数,B是单数,C是单数。

故选A。

选择题Is she your grandmother? ( )A.Yes, she is.B.Yes, she isn’t.C.No, he isn’t.【答案】A【解析】句意:—她是你奶奶吗?—是的,她是。

该句是Is引导的一般疑问句,肯定回答Yes, she is.否定回答No, she isn't.故选A。

译林版(三起)英语三年级上册期末专项训练:单选

译林版(三起)英语三年级上册期末专项训练:单选
【答案】A
【解析】
【分析】
【详解】句意:这是一个鸡蛋,那是一张光盘。egg是以元音音素开头的可数名词单数,前面用a修饰;CD是以辅音音素开头的可数名词单数,前面用a修饰。故选A。
【点睛】
32._______ is Helen, _______ is my sister. ( )
A.This; sheB.That; heC.She; this
【点睛】
7.当你想知道对方是否需要一个馅饼时,你可以说:( )
A.This is a pie.B.Would you like a pie?
【答案】B
【解析】
8.当你想把机器人送给对方时,你会说:( )
A.This robot is for you.B.This car is for you.
【答案】A
【解析】
17.---Would you like robot?( )
--- ____________
A.Yes, I am.B.No. It’s a CD.C.No, thank you.
【答案】C
【解析】
【详解】句意:—你想要一个机器人吗?—……。根据问句是一般疑问句,回答是肯定回答Yes please.是的,请。否定回答No, thank you.不,谢谢你。故选C.
—No, thank you.
A.atB.isC.about
【答案】C
【解析】
【分析】
【详解】句意:—一些糖果怎么样?—不,谢谢。what about...……怎么样,固定用法,故选C。
【点睛】
23.—_______ you like a hot dog? ( )
—Yes, please.
A.DoB.WouldC.Are
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期末单选训练(1)1. Our class teacher is still on ______ vacation, so our monitor will be in ______ charge of the meeting today.A. a ; /B. the ; theC. / ; /D. the ; aOn vacation 在度假be in charge of 对。

负责be in the charge of 由。

负责2 You’d better have some candles in the house _____ the electricity is off.A. in that caseB. as long asC. in case 以防万一D. so that3. She didn’t feel like ______, so he suggested ______ the day in the garden.A. working; spendingB. to work; to spendC. working; to spendD. to work; spendingFeel like doing 想要、觉得Suggest (sb) doing 建议4. I don’t think the prices will go down this week, ______?A. do IB. don’t IC. won’t theyD. will they5. Sarah, hurry up! I’m afraid you can’t have time to ______ before the party.A. get changed 更衣B. get changeC. get changingD. get to change6. She didn’t want to go to the lecture, so she _______ an excuse.A. made upB. made outC. put upD. put out7. —Alice ,why didn’t you come yesterday?— I ______ , but I had an unexpected visitor.A. hadB. wouldC. was going toD. did8. — At this time tomorrow _______ over the Atlantic.— Oh, wish you a good journey.A. we’re going to flyB.we’ll be flyingC. we’ll flyD. we are to flyWill be doing 将来进行时(按事先计划安排,在将来某个时刻、时段正在发生的事情)9. ______ is certain is ______ the mystery of Stonehenge has never been fully explained.A. It, thatB. What, whatC. It, whatD. What, that10. If _______, the viruses of the tombs can result in illness or even death.A. being breathed inB. breathing inC. to be breathed inD. breathed inIf/when/unless/untill/once + (sb/sth + be)+ doing / done ,sb/sth + 谓语+其他If __ the viruses are_____ breathed in , the viruses of the tombs can result in illness or even death.11. The possibility that he killed the old lady has been ________ because he was staying with some of his friends at that time.A. turned outB. ruled outC. put outD. kept out12. --- Why didn’t you ask the teacher the questi on?--- She had left the office ________ I had time to do it.A. asB. tillC. afterD. before13. ---Hi, Tracy, you look tired.--- I am tired. I _________ the sitting room all day.A. paintedB. had paintedC. have paintedD. have been paintingHave/has been doing 现在完成进行时常和all day/ the whole morning/day 连用14. With snow-covered mountains, lakes and vast grasslands, Shangri-la is a heavenly world _______ people live in harmony with nature.A. thatB. in thatC. whereD. which15. --- Have you ever been to Australia?--- Never, but I have been looking forward _______ such a chance for further study there.A. to giveB. to be givenC. to givingD. to being given 介词+ being + done 被动16. The crazy fans _______ patiently for two hours and they will wait till the astronauts’ safe return.A. have been waitedB. have been waitingC. are waitingD. waited.17. _______ has been announced, we must hand in our graduation papers before the end of June.A. WhichB. ItC. ThatD. As 引导非限制性定语从句18. Keep our teacher ________ the time of our gathering, and he’ll be present on time.A. informedB. get informedC. informing ofD. informed of19. He’s got himself into a dangerous situation ______ he is likely to lose control over the plane.A. whereB. whyC. whileD. which引导定从代who whom whose which that as副when where whySituation,case,atmosphere + where+ 定语从句(完整)20. They looked very excited _______ they had won the football game.A. even thoughB. even ifC. thoughD. as though21. ___ he is into the video game, it’s hard for him to think of anything else — all his attention is on winning the game.A. UnlessB. WhetherC. OnceD. Where22. —I don’t know how to deal with my son. He always refuses ________ advice I give him.—He just wants to show he has grown up, maybe.A. no matter whatB. whateverC. no matter whichD. whichever23. —Have you finished all your homework?—Of course. I ________ it before I went out to play football.A. had finishedB. have finishedC. finishedD. was finishing24. ________ is well known to us all is ________ Yao Ming has become the boss of the Shanghai Sharks, who attended the opening ceremony of the new CBA season on Dec. 19, 2009.A. It; thatB. What; whatC. As; thatD. What; that.25. —Would you be kind enough to help me clean the lab at 4 o’clock this afternoon?—I would like to, but I ________listening practice then.A. will doB. have been doingC. am doingD. will be doing26. Nowadays, more and more people are using private cars, ________ has caused a lot of traffic problems, especially in large cites like Beijing and Shanghai.A. thatB. whichC. itD. they27. If You Are The One is a popular programme of Jiangsu TV Station, _____ quite a few young people want to find their lover, but even if _____, I won’t take part in it.A. which; invitingB. that; being inviteC. in which; being invitedD. where; invited28. My grandfather works out regularly; that is why he is still full of_____ all day in his eighties.A. forceB. powerC. strengthD. energy 精力29. I’ll never forget the days_____ I studied in Binhai Middle School of Jiangsu Province, _____ was to change my whole life.A. that; whichB. when; whichC. which; whenD. when; that31.In 1922, Howard Carter made his most amazing discovery—all his years of training as an explorer finally ___________!A. came trueB. took offC. paid offD. showed up32.________________, I knew he was not from Britain.A. A s soon as he began to speakB. Until he began to speakC. Upon beginning to speakD. Immediately he was spoken to33. She decided to buy the house ______ windows faced the blue sea.A. whoseB. whichC. of whichD. its34. With lots of trees and flowers _______ here and there, our school looks very beautiful.A. having plantedB. plantedC. have been plantedD. to be planted35. Walking and riding your bike count, and _________________.A. so do school sportsB. school sports do soC. neither do school sportsD. school sports don’t either(2)21. ---Is this the first time that you ___ to Beijing?---Yes, I like the city very muchA.wasB. have beenC. cameD. are coming22. The factory produces half a million pairs of shoes every year, 90% ____ are sold abroad.A. of whichB. which ofC. of themD. of that23. -- You have just bought a new flat, h aven’t you?-- Yes, we can get a wonderful ____ from our bedrooms..A. sightB. sceneC. viewD. scenery24. In such hot weather, the food will go ____ if you don’t put it in the fridge.A. wrongB. badC. awayD. outgo bad/wrong/broken变得25. The music, which used to _____ before the important meeting, has now beenchanged.A. playB. playingC. being playedD. be playedUsed to do 过去经常做26. We all like Jack because he is a man ______everyone thinks is pleasant to _____.A. who, talkB. whom, get along withC. who, get along withD. whom, talk with27. --I think_____ honorable for us to see the 2010 World Expo held in Shanghai.--I couldn’t agree any more.A. itB. thatC. thisD. we28. As the final examinations were just around the corner, all the students in ourclass _____studying till midnight . A. put up B. stayed up C. kept up D. remained up29. Your sister seldom goes to the cinema on Sundays, __________?A. doesn’t sheB. is sheC. does sheD. has she30. Healthy diet should _______ some nutrition , _______ sugar, protein and calcium.A. contain; includedB. containing; includingC. be contained; includedD. contain; including31.I didn’t know you were also concerned about it ._________, it’s not your business.A. What’s moreB. In other wordsC. After allD. Worse still32. The math problem was the most difficult one I had ever met, but I _____ to workit out at last.A. triedB. managedC. succeededD. failedManage to do sth= succeed in doing sth 做成某事33. He is going camping in the mountains alone, _______ his friends have told himnot to.A. as ifB. only ifC. even ifD. what if34. -- Don’t call me this time tomorrow morning, I____________ in bed.-- All right. See you!A. sleepB. is sleepingC. sleptD. will be sleeping21-25 BACBD 26-30 CABCD 31-34 CBCD(3)21. I will __________ the money to you next week.A. pay forB. pay backC. pay inD. pay out22. This classroom is __________ that one.A. three times bigger asB. three times as bigC. three times the size ofD. as three times big as23. It’s reported __________ some 100,000 college graduates will be chosen to assume villageofficials across the country in 5 years.A. ifB. becauseC. whenD. that24. Jane __________ a lot of Spanish by playing with the native boys and girls.A. picked upB. took upC. made upD. turned up25. __________ of the land in that district ___________ covered with trees and grass.A. Two fifth; isB. Two fifth; areC. Two fifths; isD. Two fifths; are26. --- We’ve heard Jack was punished yesterday.--- Well, he was caught __________ in the toilet by his class teacher.A. smokingB. smokeC. to smokeD. smoked27. --- Hello! Jinling Hotel. What can I do for you?--- Do you have a room __________ for this weekend?A. usefulB. availableC. possibleD. empty28. You __________ have the book as soon as I finish reading it.A. shouldB. mustC. couldD. shall29. It is the Party __________ makes __________ for us to live a happy life.A. who; it is possibleB. which; it possibleC. that; it possibleD. which; it is possibleBCDBD30. You will find this map of great __________ in helping you to get round Shanghai.A. priceB. valueC. costD. useful31. The two boys __________ with each other for the highest mark.A. completedB. complainedC. competedD. compared32. The house is too expensive. _________, it’s a bit far from the company where I’m working. SoI have decided not to buy it.A. More or lessB. HoweverC. Sooner or laterD. Besides33. You must have watched the football match between Holland and Japan last night, _________you?A. haven’tB. didn’tC. mustn’tD. needn’t34. His idea, though good, needs __________.A. being practicedB. to practiceC. practicedD. to be practiced.421. Papermaking began in China and from here it ____ to North Africa and Europe.A. spreadB. grewC. car riedD. developed22. It ____ be our headmaster. He has gone to Beijing.A. mustn’tB. won’tC. may notD. can’t23. Although the teacher did not mention any names, everybody knew who he was ____.A. attending toB. turning toC. referring toD. talking to24. It is in Huizhou ____ you’re g oing to pay a visit to ____ this kind of TCL TV set is produced.A. that; whichB. where; whichC. /; whereD. / ; that25. If you go into a store and feel that the clerk is being rude, stop and think that she____ a tough day, and put yourself in her shoes.A. may haveB. may have hadC. must haveD. should have had26. The Foreign Minister said, “____ our hope that the two sides will work towards peace.”A. This isB. There isC. It isD. That is27. Materials of this kind ____ once ____ on the wall.A. don’t wash, paintedB. don’t wash, paintingC. aren’t washed, paintedD. aren’t washed, painting28. You will never arrive at ____ is considered the Heaven on the Earth.A. whichB. thatC. whatD. where29. We are worried about ____ they can be rescued.A. thatB. whetherC. ifD. what30. ____ lack of energy, he still kept on helping the injured people.A. Thanks toB. Due toC. DespiteD. Even if31. ---Are you ____ about food?---No, anything will do.A.curiousB. anxiousC. particularD. cared521. Mary is often heard ________ playing piano in the next room in the evening.A. practiseB. to practiseC. practisingD. practiced22.Violence (暴力) computer games may have a bad ____________ on children.A. affectB. pressureC. influenceD. power23. Advertisements are a good __________ sell products or services.A. means toB. way ofC. way toD. approach to24. We tried to ______ his doubts and let him tell the truth.A. replaceB. reviewC. removeD. rebuild25. _______ the days going on, the weather is becoming hotter and hotter.A. WithB. SinceC. WhileD. As26. He is always telling lies. Don’t be __________ by his sweet words.A. taken onB. taken overC. taken inD. taken away27. Each player tried his best to _________ the game.A. beatB. defeatC. catchD. win28. Jane hopes to become a friend of ____________ shares her interests.A. whomeverB. anyoneC. whoeverD. no matter who29. If it is quite ___________ to you, I will visit you next Tuesday.A. convenientB. fairC. easyD. comfortable30. When will you ___________ the entrance examinations, next June or next July ?A. joinB. join inC. takeD. take part in31. It’s time that you __________ the whole book.A. must go overB. can go overC. went overD. have gone over32. In the north people sometimes tie straw ropes (草绳) round the trees in winter to ______them from the cold.A. stopB. preventC. saveD. protect33. ——Would you mind if I keep the door open?——____________.A. Yes, do itB. No, of course notC. Yes, go aheadD. No, you can’t open it34. The reason why I burst into tears is _________ I don’t want to part with my mother.A. thatB. becauseC. whatD. which35. ----Will you go to Tom’s 18th birthday party?----If you go, ___________.A. nor do IB. nor I doC. so will ID. so I will625. In front of our house ______ we used to swim.A. a river lies thatB. does a river lie whereC. lies a river whichD. lies a river where26. --- I think the waiter has forgotten us. We ______ here for an hour!--- I think you’re right. He probably thinks we have already ordered our food.A. are waitingB. have been waitingC. have waitedD. will wait27. Their carelessness ______ the failure. That is to say, the failure_____ their carelessness.A. resulted in; was resulted fromB. resulted from; resulted inC. resulted in; resulted fromD. was resulted from; resulted in28. is reported in the newspaper is that seventeen climbers have been killed in the snowstormA. ThatB. AsC. ItD. What29. --- In what way will you use your portable computer?--- I’ll use it _____ for giving lectures at home and abroad.A. approximatelyB. mostlyC. almostD. most30. Children who are not active or diet is rich in fat will gain weight quickly.A. whatB. whoseC. whichD. that31. Sam _____ some knowledge of the computer just by watching others working on it.A. brought upB. looked upC. picked upD. set up32. _____ you’ve got a chance, you had better make full use of it.A. Now thatB. AfterC. AlthoughD. As soon as33. We were about to go out for a walk ________ it began to rain.A. whileB. beforeC. asD. when34. John’s success has nothing to do with good luck. I t is years of hard work _____ has made himwhat he is today.A. whyB. whenC. whichD. that721.---Do you know whether they talked about their work or their family---As _______matter of fact, I couldn’t hear it clearly, as they talked in ______whisper.A. the; aB. a; aC. the; theD. a; the22. ________he was a rising film star in China, but now few young people know him.A.At a timeB.All the timeC.At one timeD.At times23. No matter what changes have taken place, nobody can _______the fact that the experiment is agreat success.A.valueB.ignoreC.observeD.support24. Eating too much fat can______heart disease and cause high blood pressure.Which is wrong?A.bring aboutB.contribute toC.lead toD.result from25. The Chinese language differs from Western languages ______, instead of an alphabet, it usescharacters which _______ ideas, objects or deeds.A. for which; take forB. in that; stand forC. in which; make forD. on that; wish for26. A sheep_______on this kind of special grass usually grows much faster than_______on ordinary (普通的).A.feeding; oneB.feeds;the oneC.fed;thatD.feeding;it27. More than one student_______absent from Mr.Smith’s class.A.isB.areC.hasD.have28. “All of them are not fond of the film” means “_______of them are fond of the film”.A.NoneB.SomeC.NeitherD.Most29. When________there, the postman found the door locked and then stopped ______the letterunder it.A.reaching;to stickB.reached;to stickC.reaching;stickingD.reached;sticking30. — How long do you think it will be _______ the USA recovers from the losses of the financialcrisis?— Perhaps four or five years.A. whenB. sinceC. thatD. before31. It is strongly suggested that measures________factories to pour waste into rivers by thegovernment.A.be taken to preventB.be taken to forbidC.are taken to preventD.are taken to forbid32. It was in that country_____he studied for his doctor’s degree____he fell in love with the girl.A.that;thatB.which;whereC.where;thatD.where;where33. ---Are the food and clothes_________the quake-hit area?---Yes, they will be flown there ahead of time.A.flowing toB.flew toC.being flown toD.been flowing to34.---Kate returned home last night.---Really? Where_________?A.had she goneB.has she beenC.has she goneD.had she been35. Thinking________you know _________in fact you don’t is a terrible mistake.A.what;whatB.that;whatC.what;thatD.that;that36. After five hours’ drive, they reached____they thought was the place they had been dreaming.A.thatB.whereC.whichD.what37. _______ difficulty we meet with, we must finish it on time, because the opportunity is_______valuable.A. Whatever; suchB. However; suchC. However; soD. Whatever, that。

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