单元测试题11-15
完整版人教版英语七下11单元测试题及答案
Unit 11 How was your school trip?Ⅳ . 单项选择 (每题 1 分，共10分)从 A 、B 、 C、 D 四个选项中选择可以填入空白处的最正确答案。
() 16. We learned a lot ______ animals in the zoo.A. inB. withC. aboutD. for() 17. I want to know ______ to make a model plane.A. whoB. whereC. whatD. how() 18. I ______ a student last year but now I ______ a teacher.A. am; amB. was; amC. am; wasD. was; was() 19. His uncle is good at farming. He works on a ______.A. hospitalB. bankC. farmD. hotel() 20. — Were you at home ______?— No, I weren ’t.A. yesterdayB. every dayC. next MondayD. now() 21. They can’ t see ______ in the dark.A. somethingB. anythingC. everythingD. nothing() 22.Amy helped her grandma ______ the cat this morning.A. blowB. feedC. pickD. milk() 23.All of you, be quiet! I can’ t ______ the teacher.A. watchB. seeC. hearD. listen() 24.— How was Tim ’ s trip?— ______.A. It is OKB. He was fineC. It was greatD. He had a trip( )25. —Did he visit the museum last Sunday?— ______. He played the piano.A. Yes, he didB. No, h e didn ’ tC. Yes, he doesD. No, he doesn’tⅤ . 完形填空 (每题 1 分，共 10 分 )先通读下边的短文，掌握其马虎，此后从 A 、B 、 C、 D 四个选项中选择可以填入空白处的最正确答案。
人教版七年级下册英语Unit11单元测试题
人教版七年级下册英语Unit11单元测试题敬请批评指正七年级下册Unit 11单元测试题I.单项选择1._____ your brother _____ your aunt 2days ago? A. Does, visit B. Did, visit C.Did, visited D. Does, visits2.What _____ he do on his last school trip? A. Does B. did C. is D. was3.Aunt Zhao often _____ photos _____ XXX, of B. does, for C.XXX, of D. took, of4.Can you tell me _____? A. What does he look like B. What do he look like C.what he does look like D. what he looks like5.He _____ some nice things. And the sweaters in his shop are on _____. Sales,sell B. sells, sale C. sell, sale D. sells, sell6.The toy is so _____. I don’t have much money. A. cheapB. beautiful C.XXX7.Did he _____ to bed late last night? A. went B. go C. goesD. going8.I _____ carefully, but I couldn’t _____ XXX, heardB. heard,XXX, listen9.He _____ stars for an hour last night. A. saw B. looked C. watches D. watched10.Mike and I _____ to the zoo and _____ XXX go;saw B. go; see C. went; see D. went; saw11.She is not interested _____ math at all. A. for B. in C. toD. about12.Did you _____ XXX sleep13.--_____ was your trip?--It was very nice. A. What B. Where C. How D. When14.--_____ there any seals in the zoo last year? --No, there _____, but there _____some now. A. Are, aren’t, are B. Were, wasn’t, are C. Were, weren’t, isD. Were,XXX15.--Were you at home_____?–Yes, I was. A. yesterday B. every day C. nextXXX16.--Where ___you ___ your lunch? --I had it in Nice Restaurant. A. did had B. didhave C. do had D. do have17.My mother and I _____at my home _____Sunday morning.A. were atB. was inC. were onD. were in18.I helped my mom _____ XXX.cleanXXX铁骑制作敬请批评指正19.He _____an interesting book last night. A. reads B. read C. readed D. reading20.He played _____ guitar and _____ tennis on Sunday. A. the, / B. the, the C. /,/, D./, the21.--What did you do last weekend?-- ___. A. I play soccer B.I plays soccer C. Iplayed soccer D. I will play soccer22.The boys _____ only three subjects last term, but this term they _____ five. A.have, had B. had, had C. had, have D. have, havest Sunday it _____, so we didn’t go to the Great Wall. A. rainsB. raining C.XXX24.Tang Xin is sad and he doesn’t say _____ now. A. something B. anything C.nothing D. everything25.When my parents _____ young, there _____ not so much food. A. are is B. wereis C. are was D. were, was26.The number of the men here __, but many of them don’t have jobs. A. is manyC.is large C. are many D. are large27.A cat meets a _____ tiger, so the cat is _____. A. danger, dangerous B. dangerous,XXX danger, dangerous D. danger, XXX28.Would you like something ____? A. to eat B. eating C. eats D. eat29.--You fly the kite very well. --Thank you. I ____ kite whenI was 7 years old. A.can fly B. could flew C. can flew D. could fly30.Now ____ people are wasting ____ water. It’s ____ terrible. A. many too, muchtoo, too much B. too many, too much, much too C. too many, much too, toomuch D. many too, too much, much tooII.浏览了解Rick was a little boy. He was only seven years old. But he XXX primary school. Last week he went on a school trip with his XXX.XXX one hour on the bus and finally got to the hill. They found a XXX. There were many kinds of flowers. Some were very beautiful. Many XXX from one rose to another. Rick and his XXX butterflies, but they failed to do so. They walked through the XXX.XXX铁骑制作敬请批评指正After they climbed to the top of the hill, they took out the food with them. Rick XXX.But it was time for them to go home. They were a little tired, but they were veryhappy because they had a good time on the school trip.(根据短文内容，选择正确答案)1.How did Rick get to the hill? A. by car B. by bus C. by train2.How did he feel about the trip? A. Tired. B. Happy. C. Tired but happy.3.What did they find on the hill? A. Many kinds of XXX full ofXXX.4.Where did Rick have supper? A. The top of the hill. B. In the valley C. Wedon’t know.5.What did Rick and his classmates do on the hill? A. XXX andXXX, XXX.III.补全单词1.--Alice, here are some g____ for your birthday. --Thank you.2.I g____ XXX.3.Don’t w____ about me. I’m OK.4.He runs f____ XXX.5.I went to an art m ____ and saw some paintings.6.The trip was e____ and I had a really good time.7.XXX____, she didn’t hurt herself.8.It’s d____ in the room, and I can’t f ind my keys.9.We saw q____ a lot of animals in the zoo.10.They went to a f____IV.动词填空1.They ____(come) to China two months ago.2.The twins ____ (be) at school this morning.3.____ he ____ (tell) you a story last Sunday?4.We ________( not watch) TV last night.5.Let me ____ (help) you.6.Listen! Sue ____ (sing) an XXX.7.________(not close) the door.XXX铁骑制造敬请批评指正8.Yesterday Ben ____ XXX ____ XXX.(do)V.句型转换1.How was your last school trip?(同义句) ____ was your last school trip____?2.He took some photos on the farm.(否认句) He ____ ____ ____ photos on thefarm.3.XXX.(一般疑问句) ____ Sally ____XXX?4.XXX.(否定句) We ____ ____ our homework lastFriday.5.The weather was so cold. (提问) ____ was the weather?VI.句子翻译1.我一点也不喜爱此次游览。
人教版九年级下册化学第十一单元同步测试卷含答案
人教版九年级下册化学第十一单元同步测试题一、单选题1．下列关于碳酸钠与碳酸氢钠的说法错误的是A ．Na 2CO 3溶液呈碱性B ．NaHCO 3固体难溶于水C ．“苏打”是碳酸钠的俗名D ．NaHCO 3可用作发酵粉 2．下列物质名称与化学式对应关系错误的是 A ．烧碱—NaOH B ．纯碱—Na 2CO 3 C ．小苏打—NaHCO 3D ．熟石灰—CaO3．下列有关盐的用途的说法错误的是 A ．氯化钠是重要的调味品 B ．可用亚硝酸钠代替食盐腌渍食品 C ．小苏打可用于焙制糕点D ．碳酸钙可用作补钙剂 4．下列选项中物质的俗称、化学式、类别、用途对应正确的是 A ．烧碱 Na 2CO 3 碱 制玻璃 B ．生石灰 CaO 化合物 干燥剂 C ．食盐 NaOH 盐 除铁锈 D ．酒精 C 2H 6O 氧化物 燃料 5．下列反应属于复分解反应的是 A ．2NaOH+HCl=NaCl+H O B ．2ΔCO+CuO CO +CuC ．2322H CO +CuO=H O+CO ↑D ．22Fe+2HCl=FeCl +H ↑6．下列物质能够发生反应，且生成气体的是 A ．向稀硫酸中滴入Ba(OH)2溶液 B ．向NaCl 溶液中滴加K 2SO 4溶液 C ．将CuCl 2溶液滴入KOH 溶液中D ．将(NH 4)2SO 4和熟石灰混合研磨 7．下列各组物质中，能发生复分解反应且反应前后溶液总质量不变的是 A ．氧化镁和稀硫酸 B ．氯化钾溶液和硫酸钠溶液 C ．氢氧化钠溶液和稀盐酸D ．盐酸和硝酸银溶液8．下列酸碱盐物质在水溶液中能够共存的一组是 A ．碳酸钾与氯化钡 B ．氯化钾与硝酸银 C ．氢氧化铜与稀盐酸D ．氢氧化钠与氯化钡9．下列各组内物质在溶液中能大量共存的是A．NaCl、AgNO3、K2SO4B．KOH、NaNO3、H2SO4C．Ba（OH）2、NH4Cl、CuSO4D．KNO3、MgCl2、ZnSO410．下列各种溶质的溶液混合后无明显现象的一组是A．HCl、Na2CO3、K2SO4B．KNO3、Ba(OH)2、NaClC．KCl、AgNO3、HNO3D．NaOH、FeCl3、(NH4)2SO411．草木灰的有效成分是K2CO3，草木灰属于A．钾肥B．磷肥C．氮肥D．复合肥12．下列化肥属于复合肥的是A．KNO3B．K2SO4C．Ca3（PO4）2D．CO（NH2）2 13．某班学生以“施用化肥的利与弊”为主题进行小组辩论，正方的观点是施肥有利。
人教版五年级数学下册各个单元专项训练题及测试题
五年级数学第一单元《图形的变换》A卷姓名：一、在下面图形中，你还能画出其它对称轴吗？如果能，请画出来。
( )条对称轴( )条对称轴( )条对称轴( )条对称轴( )条对称轴( )条对称轴二、下面的图案各是从哪张纸张上剪下来的？请连线。
三、你知道方格纸上图形的位置关系吗？(1)图形B可以看作图形A绕点顺时针方向旋转90°得到的。
(2)图形C可以看作图形B绕点O顺时针方向旋转得到的。
(3)图形B绕点O顺时针旋转180°到图形所在位置。
(4)图形D可以看作图形C绕点O顺时针方向旋转得到的。
四、如图（1）指针从“1”绕点O顺时针旋转60°后指向（2）指针从“1”绕点O逆时针旋转90°后指向五、画出图形的另一半，使它成为一个轴对称图形。
六、(1)画出三角形AOB 绕O点（2）绕O点顺时针旋转90°顺时针旋转90度后的图形。
（3）绕O点逆时针旋转90°五年级数学 第一单元《图形的变换》B 卷一、填空。
（40%）1、下面的现象中是平移的画“△”，是旋转的画“□”。
（12%）（1）索道上运行的观光缆车。
（ ） （2）推拉窗的移动。
（ ）（3）钟面上的分针。
（ ） （4）飞机的螺旋桨。
（ ）（5）工作中的电风扇。
（ ） （6）拉动抽屉。
（ ）2、看右图填空。
（12%）（1）指针从“12”绕点A 顺时针旋转600到“2”；（2）指针从“12”绕点A 顺时针旋转（ 0）到“3”；（3）指针从“1”绕点A 顺时针旋转（ 0）到“6”； （4）指针从“3”绕点A 顺时针旋转300到“（ ）”；（5）指针从“5”绕点A 顺时针旋转600到“（ ）”； （6）指针从“7”绕点A 顺时针旋转（ 0）到“12”。
3、先观察右图，再填空。
（12%）（1）图1绕点“O ”逆时针旋转900到达图（ ）的位置；（2）图1绕点“O ”逆时针旋转1800到达图（ ）的位置； （3）图1绕点“O ”顺时针旋转（ 0）到达图4的位置；（4）图2绕点“O ”顺时针旋转（ 0）到达图4的位置； （5）图2绕点“O ”顺时针旋转900到达图（ ）的位置；（6）图4绕点“O ” 逆时针旋转900到达图（ ）的位置；小数五年级（一）第1页（共4页） 4、用线连一连绕点“O ”旋转而成的图形。
人教版七年级英语下册 Unit11 单元测试试题 (有答案)
2019-2020学年度下学期七年级英语Unit11 How was your school trip?测试题一．选择填空（共15小题，计15分）() 1. ---_____ you ______ sports yesterday ?---Yes , I did.A. Were , doB. Was; doC. Did doD. Did/()2.Tom_____football this morning .He went shopping with his mother.A. doesn’t playB. didn’t playC.wasn’t play() 3.---Who cleaned the blackboard?--- I______A. didB. doesC. wasD. am() 4.He was not at home _____. A. last night B. tomorrow C. now D. today()5.I____bread for lunch.It was terrible. A.had B.watched C. bought D. saw() 6.I____ this book last year. I thought it was very interesting.A. seeB. sawC. readD. watched() 7.---What did you do last Sunday?---We _____ a dolphin show.A. watchedB. foundC. sawD. looked at()8. Grace and her daughter had a good time ___ the trip.A. onB. atC. inD. of()9.He _____ that hat in the shop yesterday.A. didn’t buyB. didn’t boughtC. wasn’t boughtD. doesn’t buy () 10. I ______ a hat in the activity last Sunday.A. winB. wonC. winsD. wined()11.In the football game,we____the students from Class9and ______.A. beat; won first prizeB. beat; win the first prizeC. beat; win first prizeD. won; won first prize()12.---When____you___your old friend?---The day before yesterday.A. will; visitB. did visitorC. will; visitorD. did visit ()13. He couldn’t come to the party ______ he was very busy at that time.A. soB. andC. butD. because()14. He’s leaving ____ end of this month. A. at B. at the C. with D. with the() 15. They ____ a picnic last weekend; they enjoyed themselves.A. haveB. hasC. hadD. having二、完形填空（共10小题，计10分）Tom did not like doing his homework，because he liked to do some1things after school．And his teacher always2 a lot of mistakes in his homework．Then one day，his maths teacher3at Tom’s homework and saw that he got all his answers right．He was very4andsurprised（惊奇）．The next morning before class，he called Tom5 his desk and6to him，“You got all your homework right this time．Did your father help you？”Sometimes Tom’s father helped him with his homework，7this time he didn’t help Tom because he8at home．So Tom answered，“NO，Sir．He Was busy last night，so I9to do it10．”（）1．A．others B．another C．the other D．other （）2．A．made B．found C．looked at D．looked （）3．A．laughed B．knocked C．looked D．saw （）4．A．please B．pleased C．pleasure D．sad （）5．A．to B．for C．in D．at（）6．A．talked B．asked C．spoke D．said （）7．A．and B．but C．so D．or（）8．A．isn’t B．won’t be C．wasn’t D．can’t be （）9．A．wanted B．mustn’t C．liked D．had（）10．A．itself B．of them C．myself D．himself 三．阅读理解（共25小题，计50分）A）根据短文内容判断正误，正确写“T”，错误写“F”。
人教版七年级下册英语单元测试题Unit11
人教版七年级下册英语单元测试题Unit11 学校:___________姓名：___________班级：___________考号：___________一、单选题1．Alice showed her new friends ____ her school yesterday afternoon.A．of B．to C．around D．at2．I know that place well, so let me be your _______.A．guide B．teacher C．actor D．singer 3．The clothes in this store are _______. Let’s go somewhere else.A．new B．clean C．beautiful D．expensive 4．This is a _______ train. It stops at a lot of places.A．quiet B．slow C．scary D．dirty 5．Bob, don’t use the computer in the ___ room. It’s bad for your eyes.A．small B．warm C．dark D．noisy 6．Don't ________，Bill. We'll help you finish the job on time.A．talk B．relax C．fight D．worry 7．It’s 6:30 p.m. Let’s ____ the children first and then have our dinner.A．leave B．describe C．feed D．save 8．Rick, can you teach me _______ to play the guitar?A．where B．how C．when D．why9．Ten years ago Helen ____ in New York and now she ____in Beijing.A．lived; lived B．lived; lives C．lives; lived D．lives; lives 10．—Did Mike go to the sports center yesterday?—_______. He went to the library.A．Yes, he was B．No, he wasn’tC．Yes, he did D．No, he didn’t二、完型填空Hello, everyone! I’m Linda. I 11 a museum with my classmates last Friday. We went to the museum by 12 13 . The museum is far from our school 14 we left school early at 6:00 a.m. The bus ride took about 2 hours.The museum is really big and it has collections(收藏品) of dinosaur fossils(恐龙化石),I learned a lot 17 dinosaurs and took many pictures. I 18 the pictures to my parents when I got home. 19 thought the pictures were great.Because there is no 20 near the museum, we brought our own lunch from home. We had lunch at 12 o’clock.We____ a lovely time together and enjoyed ourselves.11．A．cleaned B．forgot C．visited D．studied 12．A．bus B．train C．car D．subway 13．A．or B．so C．but D．when 14．A．a pair of B．pairs of C．a kind of D．kinds of 15．A．kept B．saw C．used D．drew 16．A．of B．for C．about D．with 17．A．sold B．read C．taught D．showed 18．A．They B．He C．She D．It 19．A．bank B．restaurant C．library D．hospital 20．A．paid B．missed C．remembered D．spent三、补全对话7选5根据对话内容，从方框中选择恰当的选项补全对话，其中有两项多余。
人教版2020年七年级英语下册：单元综合测试卷十一(Unit 11)含答案
人教版2020年七年级英语下册：单元综合测试卷十一(Unit11)含答案姓名：分数：听力部分(25分)一、听力。
第一节听小对话，从A、B、C三个选项中选出正确的选项，回答问题。
(5分)1.M：Did you see any horses on the farm，Helen？W：Yes，I did.I saw some cows and chickens，too.2.W：I took quite a lot of nice photos on the farm.How about you，Jack？M：My sister Ann did that，Sue.I went fishing with my grandpa.3.M：Our class took a trip to the zoo last week，but it was rainy and the bus was slow.W：Really？My family and I went to the countryside yesterday，and the air was so clean there.It was so much fun.4.W：Sam，I visited a fire station last weekend.What did you do？M：On Saturday，I watched a robot show in a museum，and on Sunday I went to my uncle's farm.5.M：How was your trip last week，Ann？W：It was excellent！I went to many interesting places and took many photos.(B)1.How many kinds of animals did Helen see on the farm？A.Two.B.Three.C.Four.(A)2.Who took photos on the farm？A.Ann and Sue.B.Sue and Jack.C.Jack and his grandpa.(C)3.Where did the girl go yesterday？A.To a farm.B.To a zoo.C.To the countryside.(C)4.What did Sam do last Saturday？A.Took photos.B.Did homework.C.Watched a show.(A)5.How was Ann's trip last week？A.Excellent.B.Bad.C.Boring.第二节听长对话，从A、B、C三个选项中选出正确的选项，回答问题。
2020春下册九年级化学人教 酸和碱第十单元达标测试卷有答案
第十单元达标测试卷可能用到的相对原子质量：H：1O：16Na：23S：32Ca：40一、选择题(本题包括15小题，1～10小题每题2分，11～15小题每题3分，共35分)1．下列物质能使紫色石蕊溶液变红的是()A．HCl B．O2C．NaCl D．NaOH2．根据下列人体内一些液体的正常的pH范围判断，其中，一定能使石蕊溶液变红的是()A．唾液(6.6～7.1) B．胆汁(7.1～7.3)C．胃液(0.9～1.5) D．血浆(7.35～7.45)3．实验室许多药品都需密封保存，下列对药品密封保存原因的解释，错误的是()A．浓盐酸——防止挥发B．NaOH溶液——防止与CO2反应C．浓硫酸——防止吸水D．生石灰——防止与氧气反应4．芋艿(俗称毛芋)是一种常见的食品，新鲜芋艿在去皮时会出现一种白色的汁液，汁液内含有一种碱性物质——皂角甙，沾上它会奇痒难忍。
下列厨房中的物质止痒效果最好的是()A．食醋B．料酒C．纯碱D．食盐水5．下列图示的实验操作，正确的是()6．关于固体氢氧化钠和浓硫酸的叙述，下列说法错误的是() A．都能在水溶液中解离出相同的离子，性质相似B．都有强烈的腐蚀性C．都需要密封保存D．溶于水时都放出大量的热，使溶液的温度升高7．某化学课外活动小组开展下列实验活动：取刚降到地面的雨水水样，用pH 计(测pH的仪器)每隔5分钟测一次pH，其数据如表所示。
下列对测定结果的分析中正确的是()A.在测定期间，该雨水的酸性逐渐减弱B．该雨水对农作物的生长没有影响C．若在17：40测定，pH一定小于4.85D．pH＝4.95与某些工厂排放的酸性气体有关8．下列实验现象描述不正确的是()A．向氢氧化钠溶液中滴加紫色石蕊溶液，溶液变红B．将镁条放入稀硫酸中，有气泡产生C．打开盛有浓盐酸的试剂瓶，在瓶口出现白雾D．向盛有氧化铜的试管中滴加稀盐酸，黑色粉末溶解，溶液呈蓝色9．下列说法中，正确的是()A．Fe、Fe2O3都能与稀盐酸反应，都属于置换反应B．CaO、NaOH固体都能与水反应，都能作干燥剂C．浓盐酸、浓硫酸都有挥发性，敞口放置浓度都会变小D．氢氧化钙、氢氧化钡都是可溶性碱，其溶液都能与二氧化碳反应产生白色沉淀10．为除去下列物质中的杂质(括号内物质)，下列操作方法正确的是()11.某些金属氢化物与水反应可生成碱和氢气，如CaH2＋2H2O===Ca(OH)2＋2H2↑，NaH与CaH2的化学性质相似，则将NaH放入足量的稀盐酸中，生成的新物质为()A．NaOH和H2B．NaOH和NaClC．NaOH、H2和NaCl D．NaCl和H212．根据下面的实验内容和实验现象推出的结论中，错误的是()13.某校化学小组在利用硫酸和氢氧化钾溶液探究酸碱中和反应时，利用数字化传感器测得烧杯中溶液pH的变化图像如图所示。
Go for it Book 9 Unit1、11-15单元检测题参考答案
Go for it Book 9 Unit1、11-15单元检测题参考答案答案Unit11-5 B A C C D 6 -10 C C A B C 11-15 C C A CD 16-20 A B C D C21-25 A A B C C26-30 B B C C D 31-35 T F T F T 36-40 C DB D四、词汇（一）41.mistakes ngh 43.secret 44.grammar 45.fast46.pronunliation47.challenge 48.voile 49.magazines 50.improve（二）51.party 52.cook 53.seemed 54.bought 55.surprised56.make57.myself 58.heard 59.explained 60.if五、任务型阅读61.No,it is n’t 62.Teaching oneself 63.The first thing I must do is reading64.A clever student usually good at asking quertions 65.I’d better learn to teach myself六、书面表面（略）11单元参考答案：一、听力测试：1-5 CCCBC 6-10 BACAB 11-15 CBBAB 16-20 BBCAB21. 7:00 pm.22. one pound forty 23. babies 24. 22nd 25. enjoy二、单项填空：26-30 BADDB 31-35 DDABB 36-40 DBCBD三、完型填空：41-45 BDCAA 46-50 CABDC 51-55 BADCA56. listening 57. only 58. example 59. find 60. interested61. good 62. working 63. other 64. all 65. success四、阅读理解：66-70 DCBBA 71-75 BCBCC 76-80 AACAB81. He is a great film-maker, the inventor of Mickey Mouse82. In his father’s garage83. Yes, he did. He gave the mouse a piece of bread84. 65 years85. It mainly tells us about how Mickey Mouse became popular and how Walt Disney became successful.五、One possible versionInternet shopping is a new way of shopping. It offers a lot of advantages. The most important one is convenience. You can shop whenever you like as the on-line shops are open 24 hours a day, and you do not have to queue with others. Secondly it is often cheaper to buy goods through the Internet and it is also easy to find what you are looking for.There are some disadvantages too. You can not see the products or check their quality. Besides you can not enjoy walking around the shops and talking with your friends.附12单元基础知识巩固练习参考答案一、1．supposed 2. closed 3. used cutting 4. running 5. seeing 6. unfamiliar 7. studying8. Spending 9. to turn off 10. relaxed二、1. are you supposed to say for the first time 2. know, know about him 3. greet, in a right way/the right way 4. in trouble as much as possible 5. point at 6. no reason to do it/for doing it 7. the top student 8. has kept slipping 9. are going to take classes 10. to teach my students well三、1-5 DDBBA 6-10 DCBAD四、1. Where are you going /What are you going to do 2. Can I go with you 3. No,I don’t /I don’t like it at all 4. Our teacher teaches us a lot in PE lessons 5. Do you like sports/Do you often do sports/You are good at sports, aren’t you五、1-5 ABCDD六、One possible versionI did not study hard and I was not a good student at all when I was in Grade One. But one thing changed my mind/idea.When I was a Grade Two student, Xiaolei came to my class. He was from a small poor village. His father found a job in the city. But he was not paid well and often could not get the money on time. One day each of our classmates bought a useful exercise book, but Xiaolei didn’t. One book cost only five Yuan, but he could not afford it. So I lent my book to him. He was so happy that he finished all the exercises as soon as possible and returned it to me two days later, which surprised me a lot. From then on, I decided to study hard. I should learn from Xiaolei and we should value what we have. I hope to be the top student in my class.新目标英语九年级第13单元测试题听力村料及参考答案II. 过关斩将。
人教版九年级英语 Unit 11单元测试题及答案
Unit11Sad movies make me cry.单元测试02一、听力理解（20小题，每小题1分，共20分）第一节听下面5段对话。
每段对话后有一个小题，从题中所给的A、B、C三个选项中选出最佳答案。
每段对话读两遍。
1.What does red wall make the girl feel?A.Happy.B.Nervous.C.Sad.2.What does the woman say about the movie?A.It made her laugh a lot.B.It made her sleepy.C.It made her want to leave.3.What do we know about the car?A.It often breaks down.B.The man got it from his father.C.The man bought it30years ago.14.How was the man’s ski trip?A.Good.B.Boring.C.Terrible.5.How does the woman feel about the music?A.It makes her relaxed.B.It makes her happy.C.It makes her uncomfortable.第二节听下面几段对话或独白。
每段对话或独白后有几个小题，从题中所给的A、B、C三个选项中选出最佳答案。
每段对话或独白读两遍。
听下面一段对话，回答第6至第7两个小题。
6.What happened to Colin?A.He was kicked off the football team.B.He broke his leg last night.C.He bought a new car.7.What is the relationship between Tim and Colin?A.Strangers.B.Brothers.C.Teammates.听下面一段对话，回答第8至第10三个小题。
人教版七年级英语下册第十一单元测试题 (2)
Unit 11 How was your school trip?单元检测试题I. 听小对话,选择正确的图片.(5分)I I. 听对话，填入合适的答案。
（5分）( )6. . What did the girl do last night?A. She watched TV.B. She did homework.C. She did housework.( )7 . What did Jim think about his trip?A.Great.B. Boring.C. Terrible.( )8. Why didn't Jenny look well?A. She was ill.B. She was afraid of Maths.C. She went to bed late.( )9 .What did Ricky do yesterday afternoon?A. He went shopping.B. He went boating.C. He went fishing.( )10 . What did Anna buy?A. A shirt.B. A skirt.C. A jumper.III .听第一篇短文，回答第16--20小题。
（5分）( ) 11. Where did Tom work?A. In a school.B. In a post office.C. In a factory.( ) 12. How did Tom send the letters?A. By bus.B. On foot.C. By bike. ( ) 13. What did Tom see when he got to the house?A. A big door.B. A big dog.C. A letter.( ) 14. Did the dog run after Tom?A. No, it didn’t.B. Yes, it did.C. We don’t know. ( ) 15 .. What did the dog come to Tom to do?A. To carry the letter.B. To read the letter.C. To throw the letter.IV. 听短文，完成句子（5分）16.Nancy is a student from ___________.17. She ________________to HaiNan with her boy friend.18.They visited many ________________ in China .19.They also __________lots of sea food there.20.They ______________for two weeks and went back by plane.V. 单项选择（10分）( )21.—These ol d farmers have been to Lond on.—Really? When _____there ?A. do they goB. are they goingC. will they goD. did they go( )22.—How _______ your trip last weekend?— _______ ! It rained all the time, so we had no fun there.A. was；Terribl eB. were；BoringC. is；TerribleD. are；Great ( )23. — Who was your guid e at the Art Museum ?—Miss Yang . She _______ us around the whol e museum for three hours.A. takesB. tookC. showsD. showed( )24.—How was the food there?—It was _______ . I couldn’t stand it.A. awfulB. d eliciousC. cheapD. nice( )25.— I _______ this morning, so I missed the NBA game on TV.—It’s a pity. It’s really _______ .A. got up early; interestedB. had breakfast; boringC. slept late; excitingD. stayed at home; terribl e( )26. —I’m sor ry you have missed the bus. It _______ five minutesago.—What a pity!A. was leavingB. has leftC. leftD. leaves( )27. — Why are you driving so____. Tony? I’m feeling sick.— Sorry, but the train is leaving in 20 minutes. We have to hurry.A.oftenB. fastC. hardD. slowly ( )28 .At about two o’clock yesterday, it ______ very cloudy and we ______ about it would rain.A. gets, worriedB. got, worriedC. gets, worryD. got, worry( )29. I learned _________ about computer at school.A. a lot ofB. lots ofC. a lotD. a few( )30 .Our teacher often _______us to practice speaking after class.A. teachB. taughtC. to teachD. teachesVI. 选词填空（10分）A . Too muchB . farmingC . quite a fewD .stars E.rode a horseF. were interested in G . excellent H . Luckily I .All in allJ . d ark31 . The farmers grew strawberries last year, I learnt a lot about ____________from them.32 . We can see the sun in the daytime, the ____________ at night.33. . He is an ______________ farmer and he taught us how to do farm work.34 . I got up late this morning . ________, Mr Green gave me ride to school.35 . The room was really _________. so it was difficult to take photos.36 . There were too many people and ________ noise there..37 .I have ______________________________ friends at school38 . The man _____________________________ to get here just now(刚才)39 .We ______________________________ the TV play last year.40.____________, you found a good job.VII. 完成对话（10分）Jim:Hi, Sally ! Didn’t you go on the school trip on Sunday ?I didn’t see you.Sally :_41.________________ Jim : Why ?Sally : 42. ______________. Jim: What did you do then ? Sally: In the morning , I cleaned my room and did my housework 43. ____________Jim: Really ? It sounds boring .Sally : 44.___________I went to the movies with my sister in the afternoon . By the way :45. _______________A. the beachB. the mountainC. the museumD. the library( )47. Alice was in the hotel for _____________.A. five daysB. six daysC. a weekD. ten days( )48. Grace went to mountains with her ___________.A. parentsB. classmatesC. cousinsD. friends( )49. Grace saw some __________in the mountains.A. pandasB. tigersC. monkeysD. sheep( )50. How did Ann spend the Earth Hour ?A. She did some readingB. She turned off the lights and slept at homeC. She went to movies with her friendsD. She took a walk with her mother.BJosh and Nicky are best friends, and they stay together almost every day. About a month ago, they had a big fight（打架）. It started on a Saturday when Nicky went to Jos h’s house to play computer games. But Josh said he wanted to go and watch his older brother’s soccer game. When Nicky asked if he could come too, Josh said no. Nicky felthurt. He asked why he couldn’t come, and Josh said, “I want to do something without y ou!”If you really have a good time when he’s around, you want to spend all your free time with him. But spending every day with someone can be overwhelming.This is what happened between Josh and Nicky. Even though（虽然）Josh really likes Nicky, he felt that they needed to spend some time apart (分开). This doesn’t mean that there is anything wrong with the friendship(友谊). It just means that the two friends don’t need to spend every minute together.( ) 51. What happened to Josh and Nicky about a month ago?A. They became good friends.B. They had a big fight.C. They began to go out together.D. They started playing computer games together.( )52. What did Josh want to do when Nicky went to his house?A. He wanted to play computer games with Nicky.B. He wanted to go to the movies with his brother.C. He wanted to go and watch his brother’s soccer game.D. He wanted to go and watch a soccer game with his brother. ( )53. Why didn’t Josh want Nicky to go with him?A. Because he wanted to be away from Nicky for a while.B. Because his brother didn’t like Nicky.C. Because Nicky wasn’t good at soccer.D. Because he didn’t want to be Nicky’s friend anymore. ( ) 54. What does the under lined word “overwhelming” mean in Chinese?A. 令人兴奋的B. 奇怪的C. 忙碌的D. 无法承受的( ) 55. What’s the best title for the passage?A. What happened to the friends?B. Friendship can’t be long.C. How to keep your friend away from youD. How to get on well with your friends.C.On July 18th,2012, Mike and his parents went to Qingdao, a city in Shandong for summer vacation. Qingdao is a beautiful city with sea.It was about 12:00 when they arrived there on the first day. They found a hotel and had a short rest. It was really hot and they decided to go to the beach. At about 3:30 pm, they got to the beach. There were many people there. Some were lying on the beach and many children were playing in the water. Mike was playing with them and he was very happy. His parents also felt relaxed. About two hours later, they went back to the hotel.On the second day, it rained all day. Mike visited the history museum with his father and his mother went shopping.On July 20th, they went to Laoshan Mountain in the morning and took a bus home in the afternoon. They were tired but happy.56.Qingdao is one of the most beautiful seaside _______.57.The weather in Qingdao was ___________.58.On the second day The weather there was ________.59.Peopele on the beach were ________.60.On July 20th after climbing Laoshan Moutain , They ___________by bus.Ix 挑战（10分）简单叙述，你在上星期天加入了汉语俱乐部的一些情况。
初中化学单元测试答案
初中化学单元测试答案【篇一：初中化学1—3单元检测试题附答案】一、选择题（本题共15小题，每小题2分，共30分。
1—11小题每题各有一个正确选项，12—15小题各有一个或两个正确选项）1、下列物质中，属于纯净物的是（）a．洁净的空气b.洁净的自来水 c.液态氧 d.水泥砂浆2、下列成语含化学变化的是 ( )a．掩耳盗铃b．死灰复燃 c．刻舟求剑 d．冰雪消融3、下列文字表达式中属于分解反应的是（）锰酸钾+二氧化锰+氧气 b．碳酸钠+盐酸a．高锰酸钾氯化钠+水+二氧化碳硫酸锌+氢气 c．氢气+氯化氢 d．锌+硫酸4、物质的下列性质中，属于化学性质的是（）a.颜色、状态b.密度c.氧化性、可燃性d.熔点、沸点5、不同种元素最本质的区别是（）a 质子数不同 b中子数不同c相对原子质量不同 d电子层数不同6、下列实验的基本操作不正确的是（）7、我国使用“长征三号甲”运载火箭将“嫦娥1号”送上月球轨道，其任务之一是探测月球上氦–3（质子数为2，中子数为1的原子）资源。
下列氦–3原子的原子结构示意图中正确的是（）8、眼镜洗液的主要成分是h2o2（双氧水）。
下列说法正确的是（）a．h2o2是由氢气和氧气组成的纯净物 b．h2o2是由双氧水分子构成c．h2o2是由氢分子和氧分子构成的 d．h2o2是由两个氢元素和两个氧元素构成9、“神舟9号”太空舱利用铁酸镍将航天员呼出的co2转化为o2，而铁酸镍的质量和化学性质都不变。
则铁酸镍在该过程中是（）a．反应物 b．生成物 c．催化剂 d．消毒剂质量级别和空气质量状况分别是（）a.Ⅰ级，优b.Ⅱ级，良c.Ⅲ级，轻度污染d.Ⅴ级，重度污染11、有关蜡烛性质和燃烧实验现象的叙述错误的是（）a.蜡烛先熔化后燃烧b.生成气体可使石灰水变浑浊c.蜡烛在空气中燃烧发出黄光，放热，并产生黑烟d.用火柴去点燃刚熄灭蜡烛时的白烟，不能燃烧12、右图表示两种气体发生的化学反应，其中相同的球代表同种原子。
人教版七年级英语下册第十一单元测试题
七年級英語下冊第十一單元檢測卷時間:120分鐘滿分：120分聽力部分（25分）Ⅰ.聽句子，選擇正確の圖片。
聽兩遍。
(5分）1．________ 2.________3。
________ 4.________5。
________Ⅱ.聽句子，選擇正確の答語.聽兩遍。
（5分)(）6.A.Yes，it was。
B．No，it wasn’t. C．Yes,they were。
()7.A。
They go to the movies。
B．They did the homework. C．They are watching TV。
(）8。
A.It is sunny。
B．They were cool. C．It was rainy.（)9。
A。
No，she isn't. B．No,she didn't. C．Yes，she does。
（)10。
A。
I did. B．Jim is。
C．Tom does.Ⅲ.聽對話,選擇正確の答案.聽兩遍。
(5分)聽第一段對話，回答第11~12小題。
(）11。
Where did Kevin go yesterday?A．To the park。
B．To the farm。
C．To the museum.（）12。
Who fed the chickens?A．Kevin。
B．Kate. C．Kevin’s friend。
聽第二段對話，回答第13～15小題。
()13.How was Dave's Sunday?A．Great. B．Boring. C．Exciting.（)14。
What did Dave do on Sunday？A．He saw a movie.B．He went to the science museum.C．He went to the zoo。
()15。
How many people were there？A．About 90。
B．About 900. C．About 9，000.Ⅳ.聽短文,完成下麵表格。
人教版九年级《物理》单元测试卷(全套)
第11章《多彩的物质世界》测试题一、填空题1．1 mL=______cm30．5 cm3=______m30．05 t=____kg 2．7 g/cm3=____kg/m32．有一实心铜块的密度是8．9×103kg/m3，它的物理意义是___________；若将它截成大小相同的两块，每一块的密度是____kg/m3．3．若用横梁没有调平衡，指针偏向分度盘中央刻度线左侧的托盘天平称量物体的质量，则称得的结果____（填“偏大”“偏小”或“不变”）．4．固态物质中，分子的排列十分紧密，粒子间有强大的____．因而，固体具有一定的____和____．5．密度是____的一种特性，每一种物质都有一定的密度，我们可以根据密度来____物质．如密度是2．7×103 kg/m3的金属是______，而密度是7．9×103kg/m3的物质是______ ．6．地球质量是6．0×1021 t，一个苹果的质量是150 g，地球的质量是一个苹果质量的____倍；一个米粒的直径大约是1 mm，分子的直径大约是0．4 nm，米粒直径是分子直径的____倍．7．用天平称得一个空烧杯的质量为25．5 g，向烧杯中倒入一定量的盐水后，右盘的砝码是100 g、20 g、5 g，游码所对的刻度是0．8 g，烧杯内盐水的质量是____．8．一本书的页码是180，用天平测量其质量是270 g，则每张纸的质量是____kg．9．量筒中有50 ml的水，把质量为565 g的某种金属块全部浸没在量筒内的水中，水面处刻度恰好是100 ml，那么金属块的体积是____cm3，此金属的密度是____g/ cm3．10．质量相同的甲、乙两物体，若体积之比是2∶5，则密度之比是____．11．若把打气筒的出气口封住，在将活塞向下压的过程中，被封在气筒内的空气的质量、体积、密度三个物理量中，变小的是____，变大的是____．12．若天平的砝码被磨损了，用这样的天平称物体的质量，则测量值偏______．13．体积相同的实心铁球和铝球，____球的质量大；质量相同的铁球和铝球，____球的体积大．14．完全相同的三个瓶子，分别装满水、酒精、硫酸，甲瓶装水，乙瓶装酒精，丙瓶装硫酸，他们的总质量，由大到小排列顺序是____、____、____．二、单选题15．登月宇航员从月球带回一块矿石，这块矿石不变的是A．质量B．重力C．温度D．位置16．农村常用盐水选种，它的依据是下列物理量中的哪一个A．重力B．密度C．体积D．质量17．一块金属的密度为ρ，质量为m，把它分割成三等份，那么每一块的密度和质量分别是A．ρ/3，m B．ρ/3，m/3 C．ρ，m D．ρ，m/318．一只能装2 kg汽油的瓶子（ρ汽油=0．71×103 kg/m3），如果用来装水，则瓶子内水的质量为A．小于2 kg B．大于2 kg C．等于2 kg D．无法确定19．要测金属块的密度需要以下步骤，其中排列顺序科学合理的是①把金属块放在天平左盘，砝码放在右盘称质量．②观察记录放入金属块后量筒液面的刻度值．③观测砝码和游码值并记录．④观测记录未放入金属块时量筒液面的刻度值．⑤计算密度．⑥调节天平．A．①②③④⑤⑥B．④②①③⑤⑥C．⑥①③④②⑤D．⑥⑤④③②①20．甲、乙两立方体的边长之比是2∶1，质量之比是4∶3，那么甲、乙两物体的密度之比是A．3∶8 B．4∶6 C．1∶6 D．2∶321．1 m3的冰和1 m3的水相比较A．冰和水的体积相同，水比冰的质量大B．冰的体积跟它全部溶化成水后的体积相同C．水全部结成冰后，与1 m3冰的质量相同D．冰的密度比水小，冰的质量比水大22．下列各种物体的密度与水的密度接近的是A．制做暖水瓶塞所用的软木的密度B．人体的平均密度C．常用的普通橡皮的密度D．普通玻璃的密度23．A、B两种液体的质量之比为1∶2，密度之比为5∶4，则它们的体积之比为A．5∶2 B．2∶5 C．1∶2 D．2∶124．关于物体的质量和物质的密度，下列说法中正确的是A．一块冰全部溶化成水后，质量变小，密度不变B．把铜块碾成铜片，质量和密度均不变C．宇航员在太空处于失重状态，故质量和密度均为零D．把铁球加热，质量变大，密度变小25．有一位同学用天平称一块矿石的质量，把天平调好后错把矿石放在右盘，在左盘放50 g、20 g砝码各一个，又把游码拨至标尺4 g处，达到平衡，这块矿石的质量应该是A．74 g B．70 g C．66 g D．78 g26．100 g水全部变成水蒸气后，则A．质量变小，密度也变小B．质量不变，密度也不变C．质量变小，密度不变D．质量不变，密度变小三、多选题27．在用托盘天平测质量的过程中，为了使横梁平衡，可采用的正确方法是A．可以增减砝码，使天平重新平衡B．可以调节平衡螺母，使天平重新平衡C．可以移动游码，使天平重新平衡D．可调换物体与砝码的位置，使天平重新平衡28．有大小相等、用不同材料制成的甲、乙两实心球，当天平的右盘放上两个甲球，左盘放上三个乙球时，天平恰好处于平衡状态，那么A．甲、乙两球的质量之比是3∶2B．甲、乙两球的质量之比是2∶3C．甲、乙两球的密度之比是3∶2D．甲、乙两球的密度之比是2∶329．在用托盘天平测量物体的质量时，下列情况会造成测量结果偏大的是A．调节横梁平衡时，指针偏向分度盘左边就停止调节螺母B．调节天平平衡时，忘了把游码放在左端的零刻度线处C．使用磨损的砝码D．读数时，实验者头部偏向游码右边，会造成视线与游码左侧的标尺不垂直30．下列说法正确的是A．秆秤和托盘天平都是测量质量的工具B．天平在使用、搬运和存放时，要防止振动，以免损坏刀口C．把已调节平衡的天平搬到另外一处称量，不必重新调平衡D．调节天平时，若指针偏向分度盘左侧，可向右移动游码使天平平衡31．根据密度公式ρ=Vm可知A．密度与质量成正比B．密度与体积成反比C．同种物质的质量与体积成正比D．密度等于某种物质的质量与体积的比值32．体积和质量都相等的铜球和铝球，以下说法正确的是A．铜球一定是空心的B．铝球一定是空心的C．如果铝球是空心的，则铜球一定是空心的D．如果两个球都是空心的，则铜球空心更大些四、判断题33．密度是物质的特性之一，它不随物体自身的质量或体积的变化而变化．34．质量大的实心物体，一定比质量小的实心物体的密度大．35．飞机机身用铝合金而不是钢铁制造，是因为铝比钢铁轻．36．密度大的物体，所含物质多．37．物体状态改变时，它的质量也会随着改变．五、实验题39．为了研究物质的某种特性，一位同学分别用甲、乙两种不同的液体做实验．实验时，他用量筒和天平分别测出甲（或乙）液体在不同体积时的质量，下表记录的是实验测得的数据及求得的质量跟体积的比值．（1）分析表中的实验次数1与2（2与3，1与3）或4与5（5与6，4与6）的体积及质量的倍数关系，可归纳得出结论_______．（2）分析表中实验次数_______可归纳得出结论是：相同体积的甲、乙两种液体，他们的质量是不相同的．（3）分析表中甲、乙两种液体的质量与体积的比值关系，可归纳得出结论是：_____________________________________________六、计算题40．一空瓶的质量为0．2 kg，装满水后总质量是0．6 kg．求：(1)此瓶容积是多少？(2)若用此瓶装满油后总质量是0．5 kg，那么这种油的密度是多少？41．小明同学在课外活动课中，想测出一个油罐内油的质量，已经知道这个油罐的容积是50 m3，他取出一些样品，测出20 cm3这种油的质量是16 g，请你帮他计算出这罐油的质量．第12章《运动和力》测试题一、填空题1．传送带正在运送货物，若选择______为参照物，货物是静止的．2．早晨，“太阳从东方升起”，这句话是以______为参照物的，“地球又自转又公转”，是以______为参照物的．3．“地球同步卫星总是静止在地球某处的上空”，这是以______为参照物的，若以太阳为参照物，这个卫星应是______的．4．世界上一切物体都在______，绝对静止的物体是______ 的．5．一个做匀速直线运动的物体在2 min内通过了300 m的路程，它运动的速度是____m/s，这个物体在前10 s内的速度是____m/s．6．火车的速度是54 km/h，子弹的飞行速度为100 m/s，那么______的速度大．7．甲、乙两车做匀速直线运动，若两车在相同时间内经过的路程之比是2∶1，则速度之比是______，若两车经过相同路程所用的时间之比是1∶2，则速度之比是______．8．力是_______________________，物体间力的作用是______．力不能脱离______而存在．9．人推车时，是_________________和__________________之间发生了力的作用，若以车为研究对象，施力物体是______，受力物体是______；若以人为研究对象，受力物体是______，施力物体是______．10．牛顿第一定律也叫________定律，其内容是：一切物体在________的时候，总保持________状态或______状态．11．虽然物体不受外力作用的情况是不存在的，但是由于牛顿第一定律是在______ 的基础上，经过______而得出的，因此是正确的．12．在一条绳的一端拴上一个重物就做成了一个单摆，小明同学利用停表测出它摆动50个周期，所用时间是40 s，它摆动一个来回所用时间为______s．二、单选题13．要想比较准确的量出地图上两点间铁路的长度，比较好的办法是A．用直尺直接去测量B．用准确度较高的直尺直接去测量C．不能测量D．用弹性不大的软棉线跟曲线重合，拉直后测出线的长度14．正常人平时步行的速度大约是A．1．2 m/s B．12 m/sC．1．2 cm/s D．1．2 km/s15．某同学静止站在磅秤上，在下列几对力中，哪一对是平衡力A．人的重力与磅秤对人的支持力B．人对磅秤的压力与磅秤对人的支持力C．磅秤的重力与磅秤对人的支持力D．人的重力与人对磅秤的压力16．甲、乙两同学沿相反的方向各用15 N的力水平拉一测力计，测力计静止不动，测力计的示数是A．0 B．30 N C．20 ND．15 N17．扔出去的石块在空中继续向前运动，对此，下列说法正确的是A．石块继续运动是受到向前的冲力作用B．石块继续运动是受到惯性作用C．石块继续运动是石块具有惯性D．以上说法都不正确18．当汽车刹车时，乘客向前倾倒；汽车做匀速直线运动时，乘客不发生倾倒，在这两种情况中A．前者有惯性，后者没有惯性B．后者有惯性，前者没有惯性C．两者都有惯性D．两者都没有惯性19．坐在车内的乘客发觉，原来静止在水平光滑桌面上的小球突然向车头方向运动，这说明A．车速越来越大B．车速越来越小C．车速不变D．与车速的变化无关20．小明为了测自己步行的速度，他从400 m跑道的起点从8时10分0秒开始记时，沿着跑道走一圈到终点（即起点），表针指到8时18分20秒，则小明的平均速度是A．1．25 m/s B．0．73 m/sC．0．67 m/s D．0．8 m/s21．国庆50周年阅兵式上，展示的“飞龙7型”反舰导弹可由飞机或舰艇发射，在离海面很低的高度以超过音速的速度飞行，速度达500 m/s，其射程超过32 km，世界上只有我国和俄罗斯研制成功了超音反舰导弹，因为它接近敌舰的速度极快，很难拦截．若用它打击15 km处的来犯舰，则敌舰最多只有A．64 s防御准备时间B．30 s防御准备时间C．34 s防御准备时间D．94 s防御准备时间三、多选题22．关于长度的测量，下列说法正确的是A．两个人测量方法都正确，他们测同一物体的长度，测得的数值不一定相同B．两个人测同一物体的长度，测得数值不同，其中至少有一人测量方法是错的C．两个人测同一物体的长度，测得数值不同，两个人的测量方法可能都正确D．一个人测量方法正确，多次测同一物体的长度，测得数值一定相同23．用脚踢球时，下列说法正确的是A．脚是施力物体，所以它不受力B．脚是施力物体，也是受力物体C．脚受到的力的施力物体是足球D．脚踢足球的力和球对脚的作用力同时发生24．气象观测站测得今日是北风，风速是5 m/s，某同学看到一列沿直线行驶的火车，车头上冒出的烟是竖直上升的，则A．这列火车正在向北行驶B．这列火车正在向南行驶C．这列火车向北行驶的速度是18 km/hD．这列火车向南行驶的速度是18 km/h25．下列关于速度的说法中，正确的是A．物体运动的路程越长，它的速度越大B．物体运动的时间越长，它的速度越大C．物体运动的越快，它的速度越大D．物体单位时间内通过的路程越短，速度越小26．火车车厢长20 m，某乘客以2 m/s的速度在车厢内行走，当火车向前匀速行驶时，下列说法不正确的是A．乘客用10 s从车厢尾走到车厢头B．乘客用多于10 s从车厢尾走到车厢头C．乘客用少于10 s从车厢尾走到车厢头D．乘客从车厢尾走到车厢头所用时间可能多于10 s也可能少于10 s四、作图与实验题27．小明用刻度尺测物体的长度，如图11—1所示，他所用的刻度尺的分度值是______，物体的长度是______．图11—1 图11—2 28．在水平地面上有一辆小车，甲用6 N的力水平向右推车；乙用9 N的力向右上方与水平面成30°角拉车，在图11—2中作出这两个力的示意图．29．手拿小石子，放手后，由静止开始下落，观察并回答属于哪一类机械运动．30．某校探究式学习研究小组，为了研究蚯蚓在粗糙面上爬得快，还是在光滑面上爬得快，他们用同一条蚯蚓在相同的外界条件刺激下，分别让它在不同的表面上爬行，为了比较蚯蚓在不同表面上爬行的快慢，必须算出蚯蚓爬行的______．为了准确测出爬行的路程，在确定蚯蚓的爬行起点和终点时，他们应该选择蚯蚓的______（填“头部”或“尾部”）作为研究对象，因蚯蚓爬行的路程是弯曲的，为了测出它爬行的快慢，除了使用棉线外，还需要的测量器材是______、______．五、问答与计算题31．从匀速直线运动的火车车厢里向上跳起的乘客会落在什么地方？为什么？32．锤头松了，用手抓住锤头在地上把锤柄用力碰几下，锤头就会紧套在锤柄上，这是为什么？33．公共汽车从甲站经过乙站到丙站，甲、乙两站相距1200 m，乙、丙两站相距2160 m．汽车从甲站开到乙站用2 min．在乙站停车1 min后再开往丙站，再经过3 min到达丙站．求：（1）汽车从甲站开到乙站这一段路程中的平均速度是多少？（2）汽车从乙站开到丙站的平均速度是多少？（3）汽车从甲站开到丙站的平均速度是多少？34．重8×104N的卡车，在水平公路上匀速行驶时受到的摩擦阻力是车重的0．02倍．求卡车受到的牵引力是多大？35．已知一辆汽车在合宁高速公路上行驶，一位乘客在车到如图11—3所示的A处时，看了一下手表，时间正好是8时整；当车到B处时，他又看了一下手表，时间是8时48分．则小汽车在A、B间的平均速度是多少？图11—3第13章《力和机械》测试题一、填空题1．物体的重力是由于_____而产生的，重力在物体上的作用点叫做物体的_____．2．水总是从高处流向低处是因为水受_____的作用，推桌子很难推动，是因为桌子受到_____的作用．3．物体所受的重力与它的质量_____，表达式为_____，一个质量是30 kg的物体所受重力是_____ N．一只熊猫的体重是490 N，它的质量是_____．4．体重为400 N的某学生站在静止的电梯里受到______力和______力，它们的施力物体分别是______和______，该同学受到电梯地板对他向上的作用力等于_____N．5．汽车的轮胎上和鞋底上都有花纹，这是为了_____，起到_____的作用，机器的转动部分要加油，这是为了_____起到_____的作用．6．一个质量是10 kg的物体，沿水平面做匀速直线运动，已知物体受到的摩擦力是20 N，则物体受到的拉力是_____ N；如果将该物体用绳悬挂起来，绳对物体的拉力是_____ N，若拉住绳子使物体匀速上升，则绳子对物体施加的拉力是_____ N．7．动力臂大于阻力臂的杠杆叫_____杠杆，使用这种杠杆必定_____距离；动力臂小于阻力臂的杠杆叫______；使用这种杠杆可以_____距离；等臂杠杆就是_____和_____相等的杠杆．既_____又_____的杠杆是没有的．8．如图12—1所示，物体G重60 N，挂在匀质杠杆的一端，要使杠杆平衡可以在A点加一个方向为_____的_____ N的力；也可以在B点加一个方向为_____的_____ N的力．图12—19．如图12—2所示，在水平拉力F的作用下重100 N的物体A，沿水平桌面做匀速直线运动，弹簧秤B的示数为10 N，则拉力F的大小为_____N，物体A 与水平桌面的摩擦力大小为_____ N．10．如图12—3所示，一个轻质杠杆可绕O点转动，甲、乙两物体分别用细线悬挂在杠杆的A、B两端，若甲物体重10 N，则乙物体重_____N时杠杆才能在水平位置平衡．11．一个弹簧长200 mm，下端挂5 N物体时长250 mm，挂2 N的物体时，弹簧伸长____ mm，当弹簧长245 mm时，弹簧受到的拉力是_____ N．12．把重为20 N和30 N的重物分别挂在轻质杠杆的两端，杠杆处于平衡状态，则它们的力臂之比为_____，两个力和它们各自的力臂乘积之比为_____．二、单选题13．在下列摩擦的事例中，属于滚动摩擦的是A．拿在手中的瓶子不会滑落B．滑冰时冰刀与冰面间的摩擦C．滑旱冰时旱冰鞋与地面间的摩擦D．用铅笔写字时，笔尖与纸的摩擦14．无论是木锯还是钢锯，它们的锯齿都是东倒西歪，不在一个平面上，这是因为A．这样使锯齿更锋利B．这样使锯更受撞击C．锯用得太久，齿被撞歪D．可以使锯口加宽，减小材料对锯的摩擦力15．某人用力抬起放在水平地面上的一匀质杠杆的A端，F始终与直杆垂直，如图12—4所示，则在抬起直杆的过程中A．F逐渐变大B．F逐渐变小C．F保持不变D．无法确定图12—4 图12—5 图12—616．要使如图12—5的杠杆水平平衡，可采取的做法是A．支点两端各减少一个钩码B．支点两端各增加一个钩码C．支点左端增加一个钩码D．支点左端减少一个钩码17．如图12—6所示的均匀木条AOB，AO=OB，在O点系一绳并挂起，先使AO保持水平，然后放手，则在刚放手的瞬间，木条将会A．A端向上运动B．A端向下运动C．保持平衡不动D．不能确定18．如图12—7所示，AB质量分别为20 kg和15 kg，弹簧秤重力不计，用手抓住弹簧秤时弹簧秤的读数是( )，用手抓住A时，弹簧秤读数为( )，用手抓住B时弹簧秤读数是（）（秤钩在左侧）．A．196 N B．343 N C．147 N D．49 N19．有一把弹簧秤，秤钩上不受力时，指针不是指在零刻度位置，而是指在0．2 N的位置上，此时用手拉弹簧秤的秤钩，使弹簧秤的示数为4 N，则手拉弹簧的力是A．4．2 N B．4 N C．3．8 N D．无法判断三、多选题20．下列说法中正确的是A．弹簧秤可直接测量重力的大小，但测得的是该物体作用在秤钩上的力B．弹簧秤可直接测量物体的质量C．弹簧秤可间接测量物体的质量D．天平或杆秤不能间接测量物体的重力21．关于摩擦和摩擦力，下面说法中错误的是A．用圆珠笔写字时，笔和纸之间产生滑动摩擦B．自行车刹车时车轮与地面间的摩擦是有害摩擦C．摩擦力的方向都跟物体相对运动的方向相反D．自行车闸皮内混有棉线是为了增大摩擦22．要用15 N的力刚好提起20 N的重物，如果不计机械本身的重力，可以应用的下列简单机械是A．一个定滑轮B．一根杠杆C．一个动滑轮D．一个轮轴23．一个平衡的等臂杠杆，下述四种措施中，不会破坏杠杆平衡的是A．使动力和阻力都增加相同大小的力B．使动力和阻力都增加相同的倍数C．移动支点，使动力臂增大为原来的一半，同时将阻力减少为原来的一半D．移动支点，使阻力臂增大为原来的1．5倍，动力臂减小为原来的一半，同时将阻力减小为原来的3124．如图12—8所示，重为G的均匀硬棒悬于O点成竖直，现在下端施一水平拉力让棒缓慢转过θ角，在棒转动的过程中A．动力臂逐渐变大B．阻力臂逐渐变大C．动力逐渐变大D．动力逐渐减小图12—8四、作图与实验题25．画出12-9各图中的动力臂L1和阻力臂L2．图12—926．图12—10中，物体A的质量都是5 kg，画出图中A物体受到的重力．图12—1027．某同学用一支最大刻度是5 N的弹簧秤来测量质量不同的物体受到的重力，实验测得的数据如下表所示，他去掉最后一次600 g砝码后，指针回到了0．5 N问：（1）指出该同学做实验的错误之处；（2）去掉错误部分，你从这个实验的数据中能得出物体的重力跟质量之间有什么关系．五、计算题28．一根粗细均匀的木棒重500 N，一头着地，求抬起另一端所需多大的力？29．甲、乙两个同学体重之比是5∶4，其中甲同学质量为60 kg，则乙同学的质量和体重各是多少？30．已知作用在某杠杆上的动力是2 N，阻力是5 N，阻力臂长10 cm，为使杠杆平衡动力臂长多少cm？若将阻力增大2．5 N仍使杠杆平衡，不改变力臂长短，动力应增大多少？第14章《压强和浮力》测试题一、填空题1．著名的马德堡半球实验证实了_____，意大利科学家_____第一个用实验的方法测出大气压的值．1标准大气压等于_____Pa，他相当于_____ cm水银柱产生的压强．若桌面的面积是2 m2,在标准气压下，大气作用在桌面上的压力是_____ N．2．坦克安装履带是为了_____；刀刃磨得很薄是为了_____；铁路的钢轨铺在枕木上是为了_____；汽车轮胎上有花纹是为了_____．3．潜水艇是靠改变它受到的_____来实现潜水和上浮的．浸没在水中的潜水艇当它逐渐下潜时，受到水的压强_____，受到水的浮力_____，它排开的水所受的重力_____．（填“不变”“变大”或“变小”）4．气球和飞艇是利用空气对它的_____升到空中的，是靠改变气囊的体积调节_____大小来控制升降的．5．把橡皮泥投入水中会下沉，把它捏成盆的形状就能浮在水面，并能装载一些小“货物”，这是采用了_____的方法增大了可以利用的_____．6．轮船满载时，船和货物总重9．8×104 N，则船在海洋航行所受浮力是_____ N，轮船的排水量是_____．同一艘轮船从河里驶进海洋，受到的重力大小_____，受到的浮力_____，排开水的体积_____（填“不变”“变大”或“变小”），轮船要_____些．（填“沉下”或“浮起”）7．质量相等的正方体木块和铁块都放在水平地面上，对地面压强较大的是_____，用手把它们都放于水面下，松开手待它们静止后，受浮力较大的是_____．8．图钉帽的面积是1 cm2，图钉尖的面积是0．04 cm2，图钉重0．02 N，用20 N的沿水平方向的压力向竖直的墙上按图钉，则手对图钉帽的压强是_____，图钉尖对墙的压力是_____，压强是_____．9．如果质量是50 kg的物体恰好在水中悬浮，此物体的体积约为_____ m3．此物体在空气中所受浮力是_____．（取g=10 N/kg，ρ空气=1．3 kg/ m3）10．一位物理实验小组的同学利用一只可乐瓶与一只乒乓球做“研究浮力产生原因”的实验，如图13—1所示，将一只塑料可乐瓶剪去底部，把一只乒乓球放在瓶内，从上面倒入水，观察到有少量水从乒乓球与瓶颈缝隙中流出（图甲），但乒乓球并不上浮，这是因为_________________________．若用手堵住瓶口（图乙），可观察到乒乓球浮起，这是因为______________________________________．图13—111．当居室前后窗子打开时，“过堂风”会把侧面墙上的衣柜门吹开，这是因为衣柜外_____衣柜内_________________________________________．二、单选题12．质量相同的实心铜球和实心铁球投入同种液体后，所受浮力大小相等，这种液体一定是A．水B．水银C．酒精D．盐水13．潜水员由水面下2 m深处潜入水面下20 m深处的过程中，他受到的压强、浮力变化情况是A．压强增大，浮力增大B．压强增大，浮力不变C．压强不变，浮力增大D．压强减小，浮力不变14．竖直放置的下端扎有橡皮膜的开口玻璃管内，倒入一定量的水后，橡皮膜向外突出，当将管子逐渐倾斜的过程中，管底的橡皮膜凸起程度将A．逐渐变小B．逐渐变大C．不变D．无法判断15．湖底的一个水泡上浮时（不计温度影响）A．体积变大B．体积变小C．体积不变D．不好判断16．某海滨浴场，水底布满石头，在海水中游泳的人由深水走向浅水的过程中，以下体验和分析合理的是A．脚不疼，是因为人越来越轻B．脚不疼，是因为水底对人的支持力越来越大C．脚越来越疼，是因为水底对人的浮力越来越小D．脚越来越疼，是因为人受到的重力越来越大17．一个很薄的塑料袋装满水，袋口扎紧后挂在弹簧秤下，读数是6 N，若使塑料袋体积的2/3浸在水中称，弹簧秤的读数接近于A．0 N B．6 N C．4 N D．2 N18．如图13—2所示，是一种塑料做的方便衣钩，只要将它往很平的墙上一按，便牢牢的贴在墙上，并可以挂上衣服，衣钩能贴在墙上，这是由于A．墙对塑料衣钩有吸引力B．有大气压强作用在塑料衣钩上面C．地球对塑料衣钩没有吸引力D．墙壁受大气压力作用图13—2 图13—319．把装满水的量筒，口朝下浸在水中，如图13—3所示，抓住筒底向上提，在筒口离开水面前，量筒露出水面部分A．充满水B．有水但不满C．没有水D．依次出现上述过程20．在瓶内点燃浸过酒精的棉花，然后用剥了壳的熟鸡蛋堵住瓶口，鸡蛋会A．从瓶口出来B．保持不动C．进入瓶内D．都有可能21．在盛水的玻璃杯的上面浮着一块冰，当冰完全熔化后，玻璃杯中的水面A．升高B．降低C．不变D．无法确定22．一块石头和一个小气球捆在一起，当把它们浸没在水中并在水中向下运动的过程中，下列说法正确的是A．受到的浮力逐渐变大B．受到的浮力逐渐变小C．受到的浮力不变D．受到的浮力先变大后变小三、多选题23．一块质量分布均匀的砖平放在水平地面上，对地面的压强为p，任意把它截下二分之一，剩下的一半平放在地面上．关于剩下的砖对水平地面的压强，有三位同学作如下判断，其中正确的是A．甲认为有可能为p / 2 B．乙认为有可能为pC．丙认为有可能为2p D．以上说法都有可能24．如图13—3所示，甲、乙两容器的质量和底面积都相同，在它们中分别装有质量和深度均相等的水和酒精，则A．甲容器底面受到液体的压强大B．乙容器底面受到液体的压强大C．甲容器底面受到液体的压力大D．乙容器底面受到液体的压力大图13—3 图13—425．打乒乓球时，对于上旋球的解释正确的是A．由于球的旋动使球上方的空气流速小，压强大B．由于球的旋动使球下方的空气流速大，压强小C．球的上方和下方压强一样大D．球转动很快，上、下方的压强大小说不清什么地方大。
人教版九年级化学上册单元测试题：第一单元 走进化学世界
第一单元走进化学世界一、选择题(本题包括15小题，1～10题每题2分，11～15题每题3分，共35分)1．下列事例中，一定发生了化学变化的是()A．瓷碗摔碎了B．潮湿的衣服晒干了C．桌子上的苹果腐烂了D．冰箱中的水结冰了2．下列有关物质变化的叙述中，正确的是()A．不需要加热就发生的变化是物理变化B．伴随有发光现象的变化一定是化学变化C．化学变化一定产生其他物质D．物理变化中一定没有变色现象3．下列描述中，属于物质的化学性质的是()A．盐酸易挥发B．金属具有导电性C．酒精易溶于水D．常温下，氮气很稳定4．下列属于物质化学性质的是()A．颜色、状态B．密度、硬度C．可燃性、酸碱性 D．熔点、沸点5．在探究蜡烛燃烧的实验中，能说明发生了化学变化的是() A．发出黄色的火焰B．放出大量的热C．蜡烛逐渐熔化D．罩在火焰上的烧杯内壁出现水珠6．仪器的用途及使用注意事项都正确的是()7.规范操作是化学实验的基本要求，下列实验基本操作符合规范要求的是()8．物质的性质决定物质的用途。
下列用途主要是利用其化学性质的是() A．生铁制成铁锅B．金刚石作装饰品C．铜丝作导线D．氢气作高能燃料9．胆矾是一种蓝色晶体，化学式是CuSO4·5H2O，胆矾受热时易失去结晶水，成为白色的无水CuSO4；在工业精炼铜、镀铜中都要应用胆矾。
上述对胆矾的描述中，没有涉及的是()A．制法B．物理性质C．化学性质D．用途10．下图所示的实验中，观察不到明显现象的是()11．下列图示中的“错误实验操作”与图下面对应的“可能产生的后果”不一致的是()12．下列叙述前者是物理性质，后者是化学变化的是()A．氧气具有氧化性氧气液化B．一氧化碳具有还原性一氧化碳燃烧C．铁具有导电性铁生锈D．食盐具有咸味食盐在水中溶解13．某同学用量筒量取液体，他将量筒摆放平稳，面对刻度线，首先俯视凹液面量取79 mL液体，倒出部分液体后，仰视凹液面最低处，读数为70 mL，则该同学倒出的液体体积()A．大于9 mL B．小于9 mLC．等于9 mL D．不能确定14．小明进行“人体呼出的气体中的CO2是否比吸入的空气中CO2含量多”的探究实验。
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单元测试题自主实践一、单项选择（15分）（）1. She didn't mind _______ TV while she was trying to study.A. them to watchB. that they watchC. their watchingD. watching（）2. _________ of the twins has been to England.A. BothB. NobodyC. NoneD. Neither（）3. What's the use of the books? Oh, they can __________ us a lot of knowledge.A. sendB. provideC. carryD. take（）4. I think their basketball team is as __________ as ours.A. strongB. strongerC. strongestD. the strongest（）5. Can you tell me how much ________ to visit these places of interest?A. will it costB. does it costC. it costsD. it is cost（）6. A new kind of computer __________ last month.A. inventedB. was inventedC. discoveredD. was discovered （）7. It's good manners to ________ the customs of the country you are staying in.A. expressB. followC. give upD. join（）8. A person ________ much money on his food in his life.A. paysB. costsC. spendsD. takes（）9. It's no use going there now；_________ , I have to.A. howeverB. butC. besidesD. then（）10. Zoos are _______ places for animals to live in.A. bestB. terriblyC. interestedD. terrible（）11. May I speak to Bob, please? Sorry, he isn't in. Would you like to ________ a message?A. takeB. writeC. leaveD. tell（）12. They spend more time ________ their meals every day.A. to eatB. eatingC. eatD. eats（）13. How long is it _________ you came to our city?A. afterB. sinceC. untilD. from（）14. How long ________ you __________ the Party? Five years.A. did, joinB. have, joinedC. have, beenD. have, been in（）15. Clean up your bedroom once a week, ____________?A. do youB. don't youC. will youD. have you二、根据汉语提示完成句子，每空一词（5分）1. I can ________ ________ _________ （向……外看）the window in my sitting－room.2. It's a good manner _______ _________ （搬动）a chair to a guest when he comes.3. Don't use __________ （塑料袋）. They will pollute our environment.4. I think pandas are ____________ ________ __________ （最有趣的）animals.5. The national flag makes me _________ __________（想起）the heroes.三、用所给单词的正确形式填空（5分）1. Many people are ______ (again) putting aggressive animals into cages.2. Here are some things they have learned from ________ (science) studies.3. Most of the elephants are in _________ (African).4. It's sometimes called __________ (recycle) material.5. I am _______ at the _________ (surprise) result that he scored in the match.四、按要求完成下列句子，每空一词（10分）1. I was lucky to catch the last ship. （改为感叹句）_______ __________ I ________ to catch the last ship!2. It is about 630 kilometres by train from Jinan to Beijing. （对划线部分提问）________ _________ by train _________ it from Jinan to Beijing?3. The sick woman takes the medicine three times a day. （对划线部分提问）________ __________ __________ does the sick woman take the medicine a day?4. What about going out for a picnic? （改为同义句）________ go out for a picnic, _________ ___________ ?5. Four years ago that machine was used to make bikes for children. （改为主动语态）Four years ago we _________ that machine _________ ________ bikes for children.6. There was a knock on the door. （改为同义句）________ _________ ____________ the door.7. I feel a little angry when I see the pollution. （对划线部分提问）________ ________ ________ feel when you see the pollution?8. Jack left Paris five years ago. （改为同义句）Jack ________ ________ ________ ________ Paris for five years.9. I was very busy because we would have an exam. （对划线部分提问）________ ________ _______ busy?10. Can you tell me? Are there any stores in this street? （合成一句宾语从句）Can you tell me _______ _______ _________ any stores in this street?互动拓展五、A．在下面对话的空白处填入适当的单词，使对话意思完整、通顺。
每空填写一词（10分）A: Did you see the ping-pong 1 _________ yesterday?B: Yes, I did. It was great.A: Did Sun Jianfei win?B: No, he 2 ________. Wang Hao 3 _________ him 11-9.A: It's really a 4 _________ result. We all 5 __________ Sun must be the 6 ________ of the match. It must be an exciting match, isn't it?B: Yeah. I've never seen 7 ________ an exciting match before! At the, beginning of the match, Sun was winning 5-0. But Wang was 8 __________ . After a while, Wang began to score, and he played better and better, while Sun became a little 9 ________. At last Want made the score 11-9. A: It's a pity that I have missed the match.B: Never mind. I think you can see it later.A: Really? I don't understand.B: Yes, my headmaster has made a video of it. You can ask 10 _________ him.A: Great! I'll go right now.B. 根据对话内容，从对话后的选项中选出适当的选项补全对话。