八下第二次月考模拟
初中英语八年级下册月考试卷(含答案)
八年级英语下第二次月考试题班级：姓名：一、单项选择（40）( )1.Our parents often tell us not_______alone in the river in summer.A.swimB.to swimC.swimmingD.swam( )2.This story happened________ a small island.A.atB.onC.inD.of( )3.Uncle Ted was very rich. But now he has no place to_______.A.liveB.live onC.live inD.live with( )4.We found_______necessary to protect animals in danger.A.itB.thisC.thatD./( )5.You should_______smoking. It’s bad for your health.A.get upB.put upC.give upD.look up( )6. Mo Yan is one of ____most popular writers in the world. He was____honest boy when he was child.A.a; aB.a; anC.the; aD.the; an( )7 .The old man was _______angry _______ say a word.A. so, thatB. as, asC. too, toD. very, to( )8. Why _______home tomorrow?A.not goB.not goingC.not to goD.didn’t go( )9.I _________ some mo ney from him, but I’ll _______ it to him in a few days.A.borrow, returnB.lend, borrowC.borrow, keepD.borrow, lend ( )10.It was _________ exciting news for all the students.A.aB.anC.theD. /( )11. I am much better _________ Chinese _________ our teachers’ help.A.in, atB.at, inC.at, withD.with, with( )12._______ high school students in a poor mountain village is a difficult job.A.TeachingB.TeachC.TeachesD.Teachers( )13. Mother couldn’t find her ring. So she wanted to know _________.A.where it isB.where it wasC.where is heD.she was where ( )14.We_____ go on a picnic if it_____rain tomorrow.A.don’t, isn’tB.don’t, stopC. will, doesn’tD.aren’t, doesn’t ( )15.If you don’t want to go swimming, I ______.A.won’t, tooB.also won’tC.won’t, eitherD.won’t , neither ( )16. He was_____ tired ___he couldn’t go on working.A.too…toB.such…thatC.so…thatD.to o…that( )17.What an _______ story! I am much _________ in it.A.interested, interestingB.interesting, interestedC.interesting, interestingD.interested, interested( )18.My life will be ______ than it is now.A.more betterB.much goodC.much betterD.many better( )19.I ______to Hong Kong twice since I came to China 3 years ago .A.wentB.goC.have goneD.have been( ) 20. He is ______ a friendly man that people miss him very much .A.soB.suchC.themD. /( )21.Mother used to__the song“Where’s time going?”.Now she is used to____it.A.hating, listenB.hated, listened toC.hate, listening toD.hating, listening ( )22.Tony studies very ______. He often does his homework until 10:30p.m., but his brother Tom______ does homework.A. hardly, hardlyB. hard, hardlyC. hardly, hardD.hard, hard( )23.You eat _______ junk food. I think you need________vegetables.A.too much, muchB. too many, manyC. too much, lots ofD. too many, lot ( )24. The driver saw an old man _______ on the side of the road .A lie y C. lying D. to lie( )25.How kind you are! You always do what you can____ others.A. helpB. helpingC. helpsD. to help( )26. He _____ lots of money to the people in trouble _______.A.gave out; help them outB. gave away; to help them outC. put out; to help them outD. gave away; to help out them( )27. Could you give me a hand? I want to___the map on the wall.A. put upB. look upC. set upD. mix up( )28 .They need to come______ a good idea.A. on withB. up toC. on toD. up with( )29. When I came home, I ___________ my father ___________ a newspaper.A. find, readB. found, readingC. found, readsD. find, reading ( )30 .Could you please ______ me such boring questions? I’m tired.A. not askB. not to askC. not askingD. don’t ask( )31. I want ______ cr eam cake. It’s delicious.A. otherB. anotherC. the otherD. others( )32.—I’m sorry I ______my bag at home.—You did that last week. Never forget ______ it to school next time.A. forget, to takeB. forget, to bringC. left, to takeD. left, to bring ( )33. The cleaner said, “ __ things we do, __ environment we’ll have” .A. More, betterB. The more, the betterC. Fewer, The lessD. The fewer, better ( )34.Which is _____, German, maths or science?A. more interestingB. the most interestingC. interestingD. the interesting ( )35 .My headteacher saw her ______up some rubbish while he ______ by .A. pick, was passingB.picking, was passingC.was picking, was passingD.picking, passed( )36. The number seventy-eight thousand six hundred and forty-five can be written like this _______A.78,123B. 68,123C.78,645D.78,465( )37. What ____ you ______ at this time yesterday?A. did; doB. are; doingC. were; doingD. did, did( )38. Lin Tao is as ______ as Zhang Hua.A. strongB. strongerC. the strongestD. strongest ( )39. There are five ________ people in the city.A. millionsB. million ofC. millionD. millions of ( )40._______ students in our school enjoy listening to music.A. A number ofB. A number offC. The number ofD. The numbers of二、完形填空（10）One day, Peter had a fight with one of his classmates. Then he went to his grandfather and told him his story ____41___.“He is really bad，”the boy said,“and I 42 him.”The grandfather s aid,“43 me tell you a story. When I was a boy, I too, sometimes hated others for what they did.”As Peter 44 carefully, the grandfather went on.“There are always two tigers inside my he art. One is 45 and kind. He gets on well 46 everything around him. But 47 is bad and unfriendly. Even the smallest thing will make him angry. He fights with everyone all the time, and for no reason. He can’t think carefully 48 he always hates others. It is difficult to live with these two tigers inside my heart. They both try to control me.”Peter looked into h is grandfather’s 49 and asked,“ 50 tiger always controls you, Grandfather?”The old man said slowly and seriously,“The one that I feed. I always feed the good and kind tiger, so I never hate others and seldom（很少）get angry now.”( )41.A.happily B.friendly C.hardly D.angrily( )42.A.love B.hate C.know D.enjoy( )43.A.Make B.Help C.Let D.Ask( )44.A.saw B.felt C.talked D.listened( )45.A.good B.bad zy D.quiet( )46.A.at B.on C.with D.about( )47.A.other B.others C.another D.the other( )48.A.because B.though C.before D.but( )49.A.eyes B.ears C.nose D.mouth( )50.A.Who B.Which C.Where D.When三、阅读理解（30）AOnce there lived an old man. He liked gold better than anything else in the world. He often said, “If I have enough gold, I will be the happiest man in the world.”One day when he was traveling in the desert, the old man lost his way. He was very hungry and thirsty, but there were only rocks and sand around him. Just then, he found a bag lying on the sand. He hoped he would find water and food in it. He took up the bag and opened it. He saw that the bag was full of gold. He was so sad that he threw away the bag and began crying.Now, the old man knew that there was something better than gold in the world. ( )51. The old man liked ____ best before he traveled in the desert.A. foodB. bagsC. goldD. drinks( )52. When he lost his way, he wanted to get _________.A. some food and waterB. some rocks and sandC. bags full of goldD. some food and sand( )53. What did he do with the bag?A. He didn’t take it up.B. He brought it home.C. He threw it away.D. He picked it up.( )54. The old man did not become the happiest man when he got the bag of goldbecause ______.A. the bag was too smallB. the gold wasn’t hisC. he was very hungry and thirstD. he didn’t like gold a ny more( )55. In the end, the old man knew that gold was _________ in the world.A. the best thingB. not the best thing C .better than anything D. not hisBThere was a pilot and four people in a small plane. Suddenly there was something wrong with the machine while it was flying in the air. The smoke was everywhere in the plane. The pilot told the people there were only four parachutes(降落伞). They all became worried and started to make excuses.“I must go and m end the machine,” said the pilot, taking one of the parachutes. There was nothing he could do，so he jumped out.The first person stood up. “I’m a doctor”, he said. “I help peopl e live longer and I save lives.” He also took a parachute and jumped out.The next p erson said, “I must have p parachute. I am a very clever person. I have to go to an important sport match. I know I’ll win the game because I’ll be the cleverest person t here.” He picked up a backpack and jumped out.Two men were left—an old businessman and a young mountain climber. By this time the plane was going down fast. The businessman said, “Young man, I am old but you’re still young. You take the last parachute.”The young mountain climber smiled. “Don’t worry,” he said, “We can both jump to safety because there are still two parachutes. Just now the clever person jumped out with my backpack.”( )56. All the people became worried because ___.A. they coul dn’t find the parachutesB. they saw the pilot jump out firstC. something was wrong with the plane and one of them might dieD. there was too much smoke and they couldn’t jump out from the plane ( )57. The clever man jumped out with ___.A. a parachuteB. nothingC. the backpack of the climber’sD. two parachutes ( )58. All the people thought of themselves except ____.A. the pilotB. the clever manC. the doctorD. the businessman ( )59. From the story we know _____ would be dead.A. the clever manB. the businessmanC. the pilotD. the doctor ( )60. ____ was a kind-hearted man.A. The pilotB. The mountain climber.C.The businessmanD. The doctorC判断正误，正确的写A,错误的写B.Two friends were walking through the desert. They had an argument, the first friend slapped (一记耳光) the other in the face. The other friend was hurt, but only wrote in the sand: “Today my best friend slapped me in the face.”They kept walking, until found a lake. They decided to cool off and swim. The other friend started going down in the lake, but his friend saved him. After he came back to life, he wrote on a stone: “Today my best friend saved me.” The friend, who slapped and saved his friend, asked him: “After I hurt you, you wrote in the sand, and now, you wrote on the stone. Why?” The other friend answered: “When someone hurts us, we should write down in sand, when the winds of time and forgiveness(宽恕) can blow it. But when someone does something good for us, we must write it on the stone. No wind can blow it away.”( )61. The two friends were walking in the forest.( )62. They were going to cool and swim in the lake.( )63. The other friend wrote sentences on the stone every time.( )64. The winds of time and forgiveness can blow the words in the sand.( )65. In fact, they were real friends.四、根据句意和提示写出正确的单词（8）66.To our ___________(使我们惊讶的是), we found the owner of the lost dog.67.The________（感觉）of helping others makes me _______（觉得）happy.68.They went to the mountain to look for ___________ (财富).69.They didn’t achieve great ___________ (succeed) in life.70.People’s liv ing ____________(状况) were very poor in China in the past.71.The old bike ___________(提醒) me of my grandmother. has the largest _____________(人口) in the world.五、用所给词的适当形式填空（7）73. They couldn’t help ____________(cry) when they saw their parents.74. It was interesting _____ (see) so many places of interest from all over the world.75.One of ___________(beautiful) cities in China is Kunming.76. There are some students __________(lead) us to the forest park.77.Let’s go to Zhangjiajie to enjoy the _________(natural) .78.How long has your mother __________(teach) math at this school ?79.Do you know the girl ______ (call) Mary?六.句型转换（10分）80.He has already finished the homework.（改为否定句）He finished the homework .81.Tom is taller than any other boy in his class.（改为同义句）Tom is in his class.82.She has been a teacher for two years.（就画线部分提问）she been a teacher?83.He has been to an English-speaking country.（改为一般疑问句）he an English-speaking country?84.His sister cleans the room.（改为现在完成时）His sister the room.七、补全对话（5）A. Could I invite my friends to my birthday party on Saturday, Mom?B. Of course! 85 ____ ___.A. Yeah, Um…86 ________.B. What for?A. 87_______.B. I am shopping tomorrow. And I can buy some drinks and snacks for you.A. Oh, good. Thank you, Mom.B. You’re welcome. Oh, could you clean your room?A. 88_______.B. You need to clean it again for your party.A. Ok, but I need to do my homework first.B. That’s right. After you finish your homework, let’s clean the room. I cansweep the floor and do the dishes.A. 89_______.B. Yes, sure.八、作文（10）动物是人类的好朋友，没有动物，人类也不能生存，但现在很多动物濒临灭绝，请你就如何帮助动物提出建议。
八年级下册语文第二次月考题
八年级语文第二次月考检测题一、积累运用（23分）1、下列加点字注音完全正确的一项是（ ）（2分）A 、幼稚．(zhì) 鲲．鹏(kūn) 吞噬．(shì) 媲．美(bì)B 、挑衅．(xìn) 迷惘．(wǎng) 滑稽．(jī) 苔．藓(tái)C 、为坻．(ch í) 俶．尔远逝(sh ū) 淫．雨(y ín) 环滁．(ch ú)D ．风掣．(ch â) 大庇．(b ì) 倩．女(qi àn) 堕．事(hu ī) 2、下列词语中没有错别字的一项是（ ）（2分） A 、粗制滥造 正经危坐 头晕目炫 剽悍 B 、冥思暇想 甜言密语 鞠躬尽瘁 矍铄 C 、长吁短叹 眼花僚乱 迫不急待 斑斓 D 、黯然失色 明知故犯 喧宾夺主 窥视 3、下列句子中加点成语使用正确的一项是（ ）（2分） A 、人类所生存的地球，不过是浩瀚宇宙中的沧海一粟。
B 、由于有关部门监管不力，大量的垃圾食品厂雨后春笋般地冒出来了。
C 、李明在书摊中意外发现一本渴望已久的《简·爱》，真是妙手偶得啊!D 、由于作者当过多年的中学教师，他描写的学校生活栩栩如生。
4、下列句子翻译有误的一项是 ( ) (2分)A 、凡曝沙之鸟，呷浪之鳞，悠然自得，毛羽鳞鬣之间皆有喜气。
译文：所有那些在沙滩上晒太阳的鸟，浮在水面上吸水的鱼，都是一副悠闲自得的情态，鸟的羽毛、鱼的鳞鳍当中都充满了欢乐的气氛。
B 、环滁皆山也。
译文：环滁这个地方到处都是山。
C 、潭西南而望，斗折蛇行，明灭可见。
译文：从小潭往西南方向远望，看到溪水像北斗星那样曲折，像蛇那样蜿蜒前行，时隐时现。
D 、览物之情，得无异乎译文：看了自然景物而触发的感情，怎能不有所不同呢?5、古诗文名句默写（8分）（1）、《岳阳楼记》中表现作者远大政治抱负的句子是：。
（2）、《醉翁亭记》中描写山间四时美景的句子是：。
八年级(下)第二次月考数学试卷
八年级（下）第二次月考数学试卷一、选择题：本大题共6个小题，每小题3分，共18分．在每小题给出的四个选项中，只有一项是符合题目要求的1．（3分）如图，所给图形中是中心对称图形但不是轴对称图形的是（）A．B．C．D．2．（3分）下列变形中不正确的是（）A．由a＞b得b＜aB．若a＞b，则ac2＞bc2（c为有理数）C．由﹣a＞﹣b得b＞aD．由﹣x＜y得x＞﹣2y3．（3分）已知点A的坐标为（1，3），点B的坐标为（2，1）．将线段AB沿某一方向平移后点A的对应点的坐标为（﹣2，5），则点B的对应点的坐标为（）A．（﹣1，3）B．（﹣1，﹣1）C．（5，3）D．（5，﹣1）4．（3分）若关于x的分式方程有增根，则m的值为（）A．1B．2C．﹣1D．﹣25．（3分）如图，直线y＝x+2与直线y＝ax+4相交于点P（m，3），则关于x的不等式x+2＜ax+4的解集为（）A．x＞1B．x＜1C．x＞3D．x＜36．（3分）如图，已知：∠MON＝30°，点A1、A2、A3…在射线ON上，点B1、B2、B3…在射线OM上，△A1B1A2、△A2B2A3、△A3B3A4…均为等边三角形，若OA1＝1，则△A6B6A7的边长为（）A．6B．12C．32D．64二、填空题（每题3分，满分18分，将答案填在答题纸上）7．（3分）要使分式无意义，则x的取值范围是．8．（3分）如图，在△ABC中，BC＝5cm，BP、CP分别是∠ABC和∠ACB的角平分线，且PD∥AB，PE∥AC，则△PDE的周长是cm．9．（3分）如图所示，在△ABC中，∠B＝90°，AB＝3，AC＝5，将△ABC折叠，使点C 与点A重合，折痕为DE，则△ABE的周长为．10．（3分）已知m+n＝3，则m2﹣n2+6n＝．11．（3分）在实数范围内规定新运算“*”，基本规则是a*b＝a﹣2b，已知不等式x*m≤3的解集在数轴上表示如图所示，则m的值为．12．（3分）在等腰△ABC中，AD⊥BC交直线BC于点D，若AD＝BC，则△ABC的顶角的度数为．三、（本大题共5小题，每小题6分，共30分）13．（6分）（1）因式分解：m3﹣m；（2）解不等式组：．14．（6分）先化简，再从﹣2＜x≤2中选一个合适的整数作为x的值代入求值．15．（6分）如图，已知AC⊥BC，BD⊥AD，AC与BD交于O，AC＝BD 求证：（1）△ABC≌△BAD；（2）OA＝OB．16．（6分）小明解方程﹣＝1的过程如下：解：方程两边乘x，得1﹣（x﹣2）＝1．①去括号，得1﹣x﹣2＝1．②移项，得﹣x＝1﹣1+2．③合并同类项，得﹣x＝2．④解得x＝﹣2．⑤所以，原分式方程的解为x＝﹣2．⑥请指出他解答过程中的错误，并写出正确的解答过程．17．（6分）在4×4的方格纸中，△ABC的三个顶点都在格点上．（1）在图1中画出与△ABC关于点C成中心对称的格点三角形A1B1C；（2）将图2中的△ABC绕着点C按逆时针方向旋转90°，画出经旋转后的三角形A2B2C．四、（本大题共3小题，每小题8分，共24分）18．（8分）阅读下列材料：我们知道，分子比分母小的数叫做“真分数”；分子比分母大，或者分子、分母同样大的分数，叫做“假分数”．类似地，我们定义：在分式中，对于只含有一个字母的分式，当分子的次数大于或等于分母的次数时，我们称之为“假分式”；当分子的次数小于分母的次数时，我们称之为“真分式”．如：这样的分式就是假分式；再如：这样的分式就是真分式，假分数可以化成1+（即1）带分数的形式，类似的，假分式也可以化为带分式．如：．解决下列问题：（1）分式是（填“真分式”或“假分式”）；假分式可化为带分式形式；（2）如果分式的值为整数，求满足条件的整数x的值；（3）若分式的值为m，则m的取值范围是（直接写出答案）．19．（8分）如图，在Rt△ABC中，∠ACB＝90°，AC＝6，BC＝8，AE平分∠CAB，CE⊥AE于点E，延长CE交AB于点D．（1）求证：CE＝DE；（2）若点F为BC的中点，求EF的长．20．（8分）阅读材料：根据多项式乘多项式法则，我们很容易计算：（x+2）（x+3）＝x2+5x+6；（x﹣1）（x+3）＝x2+2x﹣3．而因式分解是与整式乘法方向相反的变形，利用这种关系可得：x2+5x+6＝（x+2）（x+3）；x2+2x﹣3＝（x﹣1）（x+3）．通过这样的关系我们可以将某些二次项系数是1的二次三项式分解因式．如将式子x2+2x ﹣3分解因式．这个式子的二次项系数是1＝1×1，常数项﹣3＝（﹣1）×3，一次项系数2＝（﹣1）+3，可以用下图十字相乘的形式表示为：先分解二次项系数，分别写在十字交叉线的左上角和左下角；再分解常数项，分别写在十字交叉线的右上角和右下角；然后交叉相乘，求和，使其等于一次项系数，然后横向书写．这样，我们就可以得到：x2+2x﹣3＝（x﹣1）（x+3）．利用这种方法，将下列多项式分解因式：（1）x2+7x+10＝；（2）x2﹣2x﹣3＝；（3）y2﹣7y+12＝；（4）x2+7x﹣18＝．五、（本大题共2小题，每小题9分，共18分）21．（9分）如图，点O是等边△ABC内一点，∠AOB＝110°，∠BOC＝α．以OC为一边作等边三角形OCD，连接AD．（1）求证：△BOC≌△ADC；（2）当α＝150°时，试判断△AOD的形状，并说明理由；（3）探究：当α为多少度时，△AOD是等腰三角形？22．（9分）疫情复学返校之前，为方便快速筛查体温异常学生，某校准备购买A，B两种型号的额温枪，已知每支A型额温枪比每支B型额温枪贵50元，买1支A型额温枪和2支B型额温枪共500元．（1）每支A型、B型额温枪的价格各是多少元？（2）该校欲购进A，B型额温枪共100支，且A型额温枪的数量不少于B型额温枪的数量，购买的总金额不超过17600元，则共有哪几种购买方案？（3）在（2）的条件下，若购买A型额温枪m支，写出购买总费用w（元）与m的表达式，并求出w的最小值．六．（本大题共12分）23．（12分）如图，在平面直角坐标系中，A（a，0），D（6，4），将线段AD平移得到BC，使B（0，b），且a、b满足|a﹣2|+＝0，延长BC交x轴于点E．（1）填空：点A（，），点B（，），∠DAE＝°；（2）求点C和点E的坐标；（3）设点P是x轴上的一动点（不与点A、E重合），且P A＞AE，探究∠APC与∠PCB 的数量关系？写出你的结论并证明．。
八年级下语文第二次月考试卷
第二学期第二次月考八年级语文试卷第一卷积累与运用(23分)一、选择题（10分，每小题2分）1．下列注音有错的一项是（）3分)A．迁徙(xǐ) 棘(jí)手媲(pì)美挑衅(xìn)B．缄(jiān)默贪婪(lán) 徘徊(huái) 干涸(hé)C．狩(shǒu)猎哂(shěn)笑啮(niè)齿戈(gē) 壁D．牟(móu)取铆(mǎo)钉笃(dǔ)信咫 (zhǐ) 尺2．下列词语中无错别字的一项是（）（3分）A．任劳任怨缄默胸有成竹B．自不量力雾蔼鼠目寸光C．苍海桑田迁徒相辅相成D．前仆后继箫瑟目空一切3下列句子中下划线成语使用不正确的一项是（）（2分）A、听到敲门声，我和妈妈不约而同．．．．地跑去开门。
准是爸爸出差回来了！可开门一看，是查水表的王叔叔。
B、学习成绩的提高得有个循序渐进．．．．的过程，想一口吃成个胖子，那是不切实际的。
C、目前，一些厂商在广告上弄虚作假，对自己的产品大事渲染．．．．，以此误导群众，骗取不义之财，这也是一种违法行为。
D、日本军国主义者所发动的侵华战争给中国带来了空前的灾难，可是日本文部省却别具匠心．．．．地一再修改日本中小学课本，掩盖战争罪行。
4、下列句子有语病的一句是（）（2分）A. 为了避免清明祭扫出现交通拥堵，政府号召市民错峰出行以缓解交通压力。
B. 长乐的特大暴雨严重影响了市民的生活，也牵动了政府的特别关注和关心。
C. 世博会的历史，就是科学理念更新和科学技术进步的历史。
D. 养宠物成为现代社会的一种时尚，也使宠物的管理成为小区物业管理的大难题。
5、下列搭配有误的一项是（）（2分）A、《水调歌头·明月几时有》——苏轼——宋朝——但愿人长久，千里共婵娟。
B、《行路难》——李白——唐朝——停杯投箸不能食，拔剑四顾心茫然。
C、《茅屋为秋风所破歌》——杜甫——唐朝——自经丧乱少睡眠，长夜沾湿何由彻。
八年级下数学第二次月考试卷
A D CB 初二数学第二学期第二次月考试卷 一、 选择题（每题3分，共计30分）1.在下列图形中，即是轴对称图形，又是中心对称图形的是（ ） 2．若分式32x -有意义，则x 的取值范围是 A ．x ≠2 B ．x=2 C ．x>2 D ．x<2 3．下列约分正确的是A ．326x x x = B ．0=++y x y x C ．x xy x y x 12=++ D ．214222=y x xy 4．计算：xy y y x x 222-+-，结果为A ．1B ．－1C ．y x +2D ．y x +5. 当x 取何值时，分式242+-x x 的值为0.A.x=-2B.x=2C.x=±2D.x=06．计算n m mn m n 2222⋅÷-的结果是A ．n -B ．22nm - C ．3n m -D ．4n m-7．某厂去年产值是m 万元，今年产值是n 万元（m ＜n ），则今年的产值比去年的产值增加的百分比是A ．%100⨯-n n m B ．%100⨯-m m n C ．%100)1(⨯+m n D ．%10010⨯-mmn 8．如果m 为整数，那么使分式13++m m 的值为整数的m 的值有A ．2个B ．3个C ．4个D ．5个题号1 2 3 4 5 6 7 8 9 10 答案9． 如图所示，将一张正方形纸片对折两次，然后在上面打3个洞，则纸片展开后是（ ）10、几名同学租一辆面包车前去旅游，面包车的租价为180元，出发时又增加了两名同学，结果每个同学比原来少摊了3元钱车费，设参加游览的同学共x 人，则所列方程为【 】 A ．32180180=+-x x B ．31802180=-+x x C ．32180180=--x x D ．31802180=--xx 二、 填空题（每题3分，共计30分） 11.计算：a 2·a 4=_________.12.分解因式：ax+ay=______________.13．平行四边形ABCD 中，∠A=500，则∠B=____。
陕西省西安市高新区第三初级中学博雅班2023-2024学年八年级下学期第二次月考数学试题(学生版)
2023-2024八下第二次月考数学试题一、选择题：（每小题3分，共24分）1. 下列四个图形中，是中心对称图形的是（ ）A. B. C. D.2.下列各式：，，，，，，只是分式的有（ ）A. 2个 B. 3个 C. 4个 D. 5个3. 下列各式从左到右的变形，属于因式分解的是（ ）A. （x 一4）（x +4）＝x 2﹣16B. x 2﹣y 2+2＝（x +y ）（x ﹣y ）+2C. x 2+1＝x （x +）D. a 2b +ab 2＝ab （a +b ）4. 如图，四边形中，对角线、相交于点，下列条件不能判定这个四边形是平行四边形是（ ）A. ，B. ，C. ，D. ，5. 若关于x 的不等式组有且只有3个整数解，则a 的取值范围是（ ）A. B. C. D.6. 如图，在平面直角坐标系中，等边三角形的边长为4，点在第二象限内，将沿射线的方向平移后得到，平移后点的横坐标为，则点的坐标为（ ）的23πa b -22x x y -34a b +31x x +-2m -a m 1xABCD AC BD O AB DC AD BC∥AB DC =AD BC =AO CO =BO DO=AB DC =AD BC ∥35128x x a -⎧⎨-<⎩…02a ≤≤02a ≤<02a <≤02a <<OAB A OAB AO O A B '''△A 'B 'A. B. C. D. 7. 精元电子厂准备生产5400套电子元件，甲车间独立生产一半后，由于要尽快投入市场，乙车间也加入了该电子元件的生产，若乙车间每天生产的电子元件套数是甲车间的1.5倍，结果用30天完成任务，问甲车间每天生产电子元件多少套？在这个问题中设甲车间每天生产电子元件x 套，根据题意可得方程为（ ）A. B.C. D. 8. 如图，菱形的对角线相交于点O ，点P 为边上一动点（不与点A ，B 重合），于点E ，于点F ．若，，则的最小值为（ ）A B. C. 4 D. 二、填空题：（每小题3分，共15分）9.有意义，则实数x 的取值范围是___________．10. 如图，用正多边形镶嵌地面，则图中α的大小为 ________度．.(-()4-(8,-()8,4-2700270030x 1.5x+=2700270030x x 1.5x +=+2700540030x x 1.5x +=+5400270030x x 1.5x +=+ABCD ,AC BD AB PE OA ⊥PF OB ⊥20AC =10BD =EF11. 如图，在中，的平分线交于点，的平分线交于点，若，，则的长是 _____．12. 如图所示，菱形的对角线、相交于点．若，，，垂足为，则的长为______．13. 如图，在矩形中，，，点在上且点为中点，点为边上的一个动点，为的中点，则的最小值为_________．三、解答题：（共12小题，共81分．）14. 因式分解．（1）3ab 2﹣18ab +27a ．（2）（a 2+b 2）2﹣4a 2b 2．15. 解下列各题：（1）解不等式组；（2）解方程：．16. 先化简，再求值：，其中．17. 如图，已知中，，，请用尺规在边上作一个点P ，使得．（保留作图痕迹，不写作法）的ABCD Y ABC ∠AD E BCD ∠AD F 5AB =6AD =EF ABCD AC BD O 6AC =8BD =AE BC ⊥E AE ABCD 3AB =10AD =E AD 2DE ．=G AE P BC F EP GF EF +()362453132x x x x ⎧+>-⎪⎨-+-≤⎪⎩43122x x x-=--221161369x x x x -⎛⎫-÷ ⎪--+⎝⎭6x =ABC 90ACB ∠=︒30A ∠=︒AC 2PA PC =18. 在平面直角坐标系中，的三个顶点在格点上（每个方格的边长均为1个单位长度）．（1）请画出关于轴对称的图形；（2）将绕点逆时针旋转90°，画出旋转后得到的；（3）在轴上找一点，使的值最小（不写作法，保留作图痕迹）．19. 如图，平行四边形，E 、F 两点在对角线上，且，连接．求证：四边形是平行四边形．20. 证明：直角三角形斜边的中线等于斜边的一半．21. 如图，在四边形中，，对角线交于点平分角，过点作交的延长线于点，连接．（1）求证：四边形是菱形；（2）若，求的长．ABC ABC x 111A B C △ABC O 222A B C △x P PA PB +ABCD BD BE DF =AE EC CF FA ，，，AECF ABCD AB DC AB AD =∥，AC BD ，,O AC BAD ∠C CE AB ⊥AB E OEABCD 4AB BD ==OE22. 已知，如图，和都是等腰直角三角形，，为边上一点．（1）求证：≌；（2）求证：．23. 樱桃刚一上市，某水果店的老板就用6000元购进了一批樱桃，上市后销售的非常好，老板又用14000元购进了第二批樱桃，所购箱数是第一批的2倍，但进价比第一批每箱多了5元．（1）该超市两批共购进樱桃多少箱？（2）由于储存不当，第二批购进的樱桃中有腐坏，不能售卖．该老板将两批樱桃按同一价格全部销售完毕后获利不低于8000元，则每箱樱桃的售价至少是多少元？24. 如图，在平面直角坐标系中，直线：与轴交于点，直线与直线、轴分别交于点、点．（1）求直线的解析式；（2）若点和点分别是直线和轴上动点，是否存在点、，使得以点、、、为顶点、为一边的四边形是平行四边形？若存在，请求出点的坐标；若不存在，请说明理由．25. 问题提出：（1）如图1，在中，，点D 、E 分别是、的中点，则的长为_________；问题探究：（2）如图2，在中，，点Q 在上，，点P 在上，，连接，E 、F 分别为、的中点，求的长度？问题解决：的ACB △ECD 90ACB ECD ∠=∠=︒D AB ACE BCD 2222CD AD DB =+10%1l 112y x =+x B 2l 1l x 31,2A ⎛⎫ ⎪⎝⎭()4,0C 2l D E 2l y D E A B D E AB D ABC 4BC =AB AC DE ABC =60B ∠︒BC 12CQ =AB 4AP =PQ AC PQ EF（3）西安高新区为了进一步提升周边居民居住环境，拟在一个长方形的草坪内对角线右侧修建一个三角形池塘．如图3，，，A 为草坪入口，B 为草坪出口，在人行道的中点E 处有一个凉亭，在池塘N 处是一个观景台．游客从凉亭到出口的距离与从凉亭到观景台的距离相等吗？为什么？的ABCD AC CMN 26MCN ∠=︒90MNC ∠=︒AM。
2023-2024学年江苏省宝应县八年级下学期第二次月考语文试题
2023-2024学年江苏省宝应县八年级下学期第二次月考语文试题①淮扬菜的兴起源于漕运。
②随着运河的开通，漕运的兴盛，使得南来北往的客商云集在扬州一带，江南经济日益发达，扬州饮食（即淮扬菜）随之繁荣。
③宋朝庆历八年，文坛巨匠欧阳修调任扬州太守。
他宴请宾客，挥毫泼墨，书写名篇，推动了淮扬美食和文化的结合，淮扬菜也逐渐变成了文人菜的代表。
④________________。
因为黄河改道，京杭运河逐渐淤塞．变浅，漕运日益困难。
与此同时，在外海，海上运输势不可挡；在内陆，一条条铁路相继开通。
受此影响，1901年，清政府裁撤了漕运总督府，叱咤风云千年之久的漕运黯然离场，成为历史。
漕运的停止也让淮扬菜大受打击，几乎跌入低谷，一蹶不振。
⑤许多淮扬菜烹饪大师痛定思痛，努力为淮扬菜找到了新的出路，那就是改变了淮扬菜对食材的选择。
从以前的海参、鲍鱼等山珍海味，变成了淮扬特产鳝鱼、豆腐等平民食材。
他们继承了淮扬菜的精美和精细的特点，在刀工和火候上继续精雕细琢zhuó（）、精益求精。
在淮扬菜大师的努力下，淮扬菜终于走出低谷，重新回到巅峰。
1. 根据语境，为加点字注音或根据拼音写出汉字。
淤塞．( ) 精雕细zhuó( )2．文中画线句子有语病，请提出修改建议。
3．根据语境，在第④小节横线处填写一句恰当的话，使过渡更加自然。
4．下列说法不正确的一项是（）A．客商云集挥毫泼墨日益困难新的出路解说：这几个短语结构各不相同。
B．从以前的海参、鲍鱼等山珍海味，变成了淮扬特产鳝鱼、豆腐等平民食材。
解说：这句话中的标点符号使用正确。
C．海上运输势不可挡。
解说：这句话中的成语“势不可挡”使用正确。
D．在内陆，一条条铁路相继开通。
解说：这句话中，“在内陆”作句子的状语。
5. 文学作品中处处有美食的踪迹。
以下说法有错误．．．的一项是（）A．饮食是节日习俗中一个永恒的话题，比如端午节吃粽子，是为了纪念屈原；中秋节吃月饼，寓意团团圆圆；重阳节饮菊花酒，表达对延年益寿的期盼。
八年级下第二次月考试题--语文(含解析).(含答案)
八年级语文下学期第二次月考试题一、积累与运用1.古诗文名句默写。
（1）读书破万卷，__________。
（2）独学而无友，__________。
（3）__________，不知其可。
（4）《桃花源记》中描绘桃花林草美花繁的语句是：__________，__________。
【答案】 (1). （1）下笔如有神 (2). （2）则孤陋而寡闻 (3). （3）人而无信 (4). （4）芳草鲜美 (5). 落英缤纷【解析】【详解】试题分析：默写题作答时，一是要透彻理解诗文的内容；二是要认真审题，找出符合题意的诗文句子；三是答题内容要准确，做到不添字、不漏字、不写错字。
本题中的“孤陋、寡、缤纷”等字词容易写错。
2.阅读下面的文字，按要求答题。
田野里，冬季的冰冷刚刚过去，春季就来了。
花儿草儿们用色彩xuàn染着土地，那迎春绽放的花蕊，吐纳着香甜的空气，那翠绿欲滴的桃浪，拥顶着希望的甜蜜；那冰雪消溶的小河，流淌着生命的脉动。
阳光灿烂的春季拔弄着大地，把地上的生灵变得生机盎然，每个角落都充满了春天的气息。
（1）根据拼音写出相应的汉字，给加点的字注音。
xuàn染（）脉．动（）（2）语段中有两个错别字，找出并改正____改为____ ____改为____【答案】 (1). （1）渲 (2). mài (3). （2）溶 (4). 融 (5). 拔 (6). 拨【解析】【详解】试题分析：（1）作答时，注意易错音的积累，掌握汉语拼写规则，规范拼音书写，不要写成英语字母；根据拼音写汉字，除了根据具体的语境，还要注意同音字、形似字的辨析，避免混淆。
注意“渲”的字形和多音字“脉”字的读音。
（2）错别字的产生原因主要是音同或形似，掌握这个易错点，根据汉字的特点，结合句意和词义辨析判断。
消溶－消融；拔弄－拨弄。
3.下列句子中加点词语使用不正确的一项是（）A. 出了三峡，江面宽阔，眼前豁然开朗．．．．。
2023—2024学年度第二学期八年级下第二次月考试题
甘谷五中2023—2024学年度第二学期第二次月考八年级语文考生注意：本试卷满分150分，考试时间150，将答案写到答题卡上。
一、积累与运用(共30分)立夏，是夏天第一个节气，它带着葱茏和炽情渐渐地走到我们身边，让我们感受到她带给我们的美好。
让我们一起走进夏天吧。
活动一：小荷才露尖尖角，早有蜻蜓立上头。
（1）一场大雨过后，天空像是被飓风吹了整整一夜，干净的没有一朵云。
只剩下彻底的纯粹的蓝色，张狂的渲染在头顶上。
像不经意，随手打翻了墨水瓶，晕染开的。
瞭．望远方，是千丝万缕的蓝。
太阳不再像春天那样羞涩，而是开朗的照耀着汗流浃．背的人们。
（2）芙蓉是好难得开一次花，那柔弱的花儿好像脱离世间红尘的诗人，高傲的向远方眺望着，给人一种只《可远观，不可近临》的感觉。
池子里的荷花随风摆动，xuàn丽多姿。
仿佛一群婀娜多姿的少女在翩翩起舞，飘来缕缕淡淡的清香。
（3）带着露珠的小草们你不让我；我不让你，都挺直了小腰板，好像在比赛谁站得更高。
而也就是这些调皮可爱的小家伙们，组成了一张毛茸茸的翠绿翠绿的大地毯，让夏天更加生机勃勃。
雨后的空气虽然湿润了许多，但炎热也还是让人们失去了说话的欲望，张了张口就是干燥的热，像是要吐出火来。
（4）向田野望去，农名伯伯们戴着草帽、不修边fú、肩膀上搭了一条毛巾，用他们那粗糙的手耐心认真的插着秧，准备迎来又一个丰收的季节。
运动场上，那些热爱运动的男孩子们，正在举行一场激烈的足球。
为这热闹的夏天，增添了一份多彩的图画。
1.给文中加点字注音，据拼音写出汉字。
（4分）A.瞭．（）望B. 汗流浃．（）背C.xuàn（）丽D.不修边fú（）2.上面文段中画波浪线的四处标点，使用正确的是（）（3分）A.（1）B.（2）C.（3）D.（4）3.上面语段第4段有一处语病，请找出并改正。
（2分）活动二：莫听穿林打叶声，何妨吟啸且徐行。
4.诗词默写大比拼。
（共8分）诗言志，文载道。
八年级下册语文第二次月考例题精选(最全免费)
八年级下册语文第二次月考例题精选一、扩展题（一）名著（1）23、甲段划线的句子属于什么描写？有什么作用？（3分）景物（环境）描写（1分）写出了海上变幻莫测的瑰丽景色，也为下文的突变渲染了气氛。
（2分）24、通过对人物语言的描写，可以展示不同人物的性格特征。
试选择一个人物形象，就文段中的语言描写，简要分析其性格特征。
（3分）就选文而言，尼德·兰的喊叫表现了他的直率、暴躁，康塞尔平心静气的劝慰体现出沉着与幽默，而“我”不多的语言则显示出教授的理智（3分）（2）结合上文具体说说贝多芬具有怎样的性格特点？（2分）贝多芬具有我行我素，不卑不亢的叛逆性格。
从他洋洋自得的叙述口吻、“背着手”“撞”的动作描写、与歌德鲜明地对比中可以看出。
23．．文中两位名人，你更欣赏谁？为什么？（2分）示例一：贝多芬。
因为他不向权贵弯腰，不卑不亢，很有骨气。
示例二：歌德。
待人温文有礼，懂得起码的处世之道。
（解析：本题主要考查学生评价人物行为的能力。
要求要结合人物的处境、个性进行分析，如都是名人，但歌德身在官场，不得不遵守为官之道。
）（3）1）贝多芬于1801年创作的《月光奏鸣曲》是为（ C ）而创作的。
A、盲姑娘B、布伦瑞克C、朱丽埃塔D、母亲（2）“我愿证明，凡是行为高尚与善良的人，定能因之而担当患难。
”是（ B ）的名言。
A、罗曼·罗兰B、贝多芬C、米开朗琪罗D、托尔斯泰肖像描写是塑造人物形象的重要手段。
下面是《名人传》中一段肖像描写：“他矮小粗壮，一副运动员的结实骨架……面部肌肉常常隆起，青筋暴跳；野性的眼睛变得格外地吓人。
”“他”指的是（人名）贝多芬（二）综合性学习（1）4. 赛博世界可以满足“几乎你所有的爱好”，你想在其中满足自己怎样的爱好？请模仿文段横线语句写一段话。
（3分）你喜欢音乐吗？好的，你可以调阅各种音乐方面的知识档案，你可以了解任何一位音乐家的生平、作品，你可以知道音乐的发生和发展，你可以明了什么是真正的和不朽的音乐并学会怎样去欣赏它。
八年级下学期第二次月考语文试题
初二语文第二次月考试题测试时间100分钟满分120分一．积累与运用（共24分，其中选择题每空2分）1、下列加点字注音完全正确的一项是（）A. 禁锢．（gù）诘．（jí）责文绉绉．（zhōu）匿．（nì）名B. 嬉．（xī）戏黝．（yǒu）黑管束．（sù）解剖．（pōu）C. 诱．（yîu）惑摹．(mï)画畸．(qī)形污秽．(huì)D. 滞．(zhì)留粲．(càn)然庶．(shù)祖母脊．(jǐ)背2、下列成语没有错别字的一项是（）A.翻来复去器宇轩昂鹤立鸡群繁花似锦B.成群结队美其名曰文质彬彬困惑不解C.正襟危坐诚惶诚恐相形见拙藏污纳垢D.暗然失色不可名状美不胜收微不足道3、下列加点成语使用不恰当的一项是（）A.威尔斯洲际广场享有得天独厚．．．．的地段优势与极具升值潜力的市场环境，在充分整合城市中心优势资源的基础上，对内部的景观规划倾注了大量心力。
B.面对突如其来．．．．的洪水和泥石流，灾区广大党员干部的第一选择是把群众转移到安全地带。
C.影片《憨豆先生的大灾难》情节跌宕起伏，抑扬顿挫．．．．，具有很强的感染力。
D.“名医到我家”的义诊活动，可以让您足不出户．．．．即可得到名医的义诊，免去了到医院排队的烦恼。
4、下面文学常识表述有误的一项是（）A．《雪》是鲁迅写的一篇散文诗，选自《野草》。
B.《假如给我三天光明》是美国女作家海伦·凯勒的代表作之一。
C.《醉翁亭记》的作者是欧阳修，宋代文学家，唐宋八大家之一。
D.《五柳先生传》是陶渊明为他的好友五柳先生写的一篇传记。
5、下列各句中，没有语病的一项是（）A.近年来，交通拥堵一直是各大都市政府部门尽力解决而又希望解决的重大问题。
B.“江淮明珠”的球形雕塑，充分体现了淮安的区域特点的一大景观。
C.经过同学们细心地搜集、整理和编辑，一部完整的自编乡土文化教材终于成形了。
八年级数学(下)第二次月考试题
八年级数学（下）第二次月考试题一、空题（12×2′=24′）1、x 时，分式42-x x 有意义。
2、分式方程3-x x +1=3-x m 有增根，则m=3、已知a,b,c,d 是成比例线段，且a=4cm, b=3cm, d=8cm , 则c= cm4、一个宽为10米的舞台，报幕员站在距离舞台边沿约 米的位置上才具有艺术感。
5、E 、F 共线，B 、C 、F 共线， 则（1）与△FCE 相似的三角形有 _______（2）若CE=1，CD=3,CF2,AE=3,则△ABF 的周长为 6、如果x+2>0,则x -2 (填“<”或“>”或 “=”) 7、分解因式:m 2a-4ma+4a=_________________________.8.如图，D 、E 是三角形ABC 中边AB 、AC 上的点，DE ∥BC ，已知AB =8cm ，AC =12cm ，BD =3cm ，则AE = ，EC = .9、.D 、E 分别在△ABC 的边AB 、AC 上，要使△AED ∽△ABC ，应添上下列条件中的任意一个：- (要求写出不少于三个条件). 10、一组数据1，0，-1，-2，-3的标准差是 ，请写一组与上述数据离散程度相同的数据 .11、已知函数y=2x —3，当x______ 时，y ≥0；当x ______时，y ＜5.12、小明用100元钱购得笔记本和钢笔共30件，已知每本笔记本2元，每只钢笔5元.那么小明最多能买___________只钢笔. 二、选择题（7×3′=21）13、下列从左边到右边的变形，是因式分解的是（ ）A 、29)3)(3(x x x -=+- B 、a 2b ＋ab 2=ab(a ＋b)C )1)(3()3)(1(+--=-+y y y yD 、z yz z y z z y yz +-=+-)2(224214、一元一次不等式组⎩⎨⎧>>bx ax 的解集为x>a ，且a ≠b ，则a 与b 的关系是（ ）A 、a>bB 、a<bC 、a>b>0D 、a<b<0 15.下列多项式中不能用平方差公式分解的是 （ ） A -a 2+b 2B -x 2-y 2C 49x 2y 2-z 2D 16m 4-25n 2p216.下列说法中正确的是：所有的（ ）都相似。
八年级物理下册第二次月考试题(浮力功和功率)
八年级物理下册第二次月考试题总分：100分 时间：100分钟 一、填空（每空1分，共15分）1．浸在液体中的物体受到 力，这个力习惯上称为浮力；浮力的方向总是 的。
2浮力产生的原因是浸在液体中的物体上表面和下表面受到了液体的______存在着差值。
3．浸没在液体中的物体受到重力和浮力的作用；如果浮力 重力，物体就会上浮；如果浮力 重力，物体就会下沉；如果浮力 重力，物体就会在液体中处于 悬浮状态。
3研究影响浮力大小的因素所采用的研究方法是_____________.4．潜水艇是靠 实现上浮或下沉、悬浮的。
潜水艇两侧有水舱，向水舱里充较多的水时，由于重力 浮力，它会逐渐下沉潜入水中；当充入一定量的水，使得重力 浮力时，它就可以悬浮在水中；当用压缩空气将水舱里的水排出较大部分时，由于重力 浮力，它就会上浮到水面上。
（填 大于、小于、等于） 5.在计算液体中的物体受到的浮力时采用的公式V Fg 排浮ρ=中V 排的含义是______________.6.衡量一个物体有没有做功有两个必要的因素,一是作用在物体上的__ ___;二是物体在这个上移动的距离。
7.功率在数值上等于 内所作的功。
二、选择题（每题3分，共30分） 8．下列关于浮力的说法中正确的是（ ）A. 浮力都是由水产生的 B 不同的液体中浮力的方向会不同 C 只有固体才会受到浮力的作用 D. 浮力的方向与重力的方向相反 9. 如图所示，将漂浮在水面上的木块缓慢下压到水底的过程中， 木块受到的浮力（ ） A. 先变大后变小B. 先变大后不变C. 先不变后变大 D 先变小后变大10. 如图，海面上航行着两艘相同的船甲、乙，甲船空载，乙船满载，那么（ ） A. 甲船所受浮力比重力大 B 乙船所受浮力比重力小 C 甲船所受浮力比乙船大 D 乙船所受浮力比甲船大11. 下列关于功的说法中正确的是（ ） A. 只要有力作用的物体上，就一定做了功 B. 只要物体移动了距离，就一定做了功9题C. 只要有力作用的物体上，物体在力的方向上又移动了距离，就一定做了功D. 两个力作用在不同的物体上，在力的方向上移动的距离大的做功一定多 12. 下列说法正确的是（ ）A. 做功越多，则功率越大 B 做功时间越短，则功率越大 C 功率越大，表示做功越快 D 功率越小，做功越少13．如图8-1所示，一个木块浮在容器中的水面上。
八年级下第二次月考试卷
第二次月考卷第一卷70分一、单项选择（共30分，每小题1.5分）( ) 1. I think there will be robots everywhere __________ 20 years .A. forB. inC. fromD. with( ) 2. They _______ buy a new book on the way , will they ?A. won‘tB. wouldC. aren‘tD. ar e( )3. You will _________ go swimming when summer comes .A. be able toB. canC.couldD. are able to( ) 4. In the future people can read books only ______ computers, not ____paper .A. on , inB. on ,onC. in ,onD. in ,in( ) 5. I hope we will have _______ people and _______ pollution .A. fewer ;lessB. fewer ;fewerC. less ; lessD. less ; fewer( ) 6. ---I can‘t find him . What should I do ? --- Maybe you should ______.A. keep him upB. hear of himC. call him upD. hear from him( ) 7. I have no money . He doesn‘t have any money ,__________ .A. eitherB. tooC. alsoD. but( ) 8. The watch doesn‘t work . There is_______ with it .A. wrong anythingB. wrong somethingC. anything wrongD. something wrong ( ) 9. Could you give me ___________advice ?A. someB. anyC. manyD. a lot( ) 10. He could do nothing except _________ TV .A . watch B. watches C. watching D. will watch( ) 11. Please _______who broke the window .A. find outB. findC. look forD. look out( )12. If you don‘t feel well , you may just _________ .A. stopped readingB. stop readingC. stopped to readD. stop to read( )13. We _____ go on a picnic if it _____ rain tomorrow.A. don‘t, isn‘tB. don‘t stopC. shall, doesn‘tD. aren‘t, doesn‘t ( )14. What _______ you ________at this time yesterday ?A. did ; doB. have ;doneC. were ;doingD. are ;doing( ) 15. While the alien _______ the museum, the boy called the TV station .A. visitingB. was visitingC. visitedD. visit( ) 16. There _______ a ball game next Sunday .A. haveB. is going to beC. hasD. is going to have( ) 17. __________ tourists visit Mount Tai every day .A. Hundreds ofB. Hundred ofC. HundredsD. Several hundreds( )18. Listen ! I hear someone _________ the violin in the next room .A. playingB. to playC. playD. plays( )19. Wei Fang is young，but she plays ping-pong ____ her mother.A．as good as B．as well as C．as better as D．as best as( )20. Could you ____，please? It's too loud.A．turn down the radio B．turn on the radio C．turn on the TV D．turn it on二、完形填空（10分）Mr Jones argued with his wife . Mr Jones was very angry with his wife ,and she was angry with --1—husband . For several days they didn‘t__2__to each other.One evening Mr Jones was very__3__ when he came back from work. So he went to bed soon after dinner .Of course he didn‘t __4__anything to Mrs Jones before he went upstairs. Mrs Jones washed the dinner dishes and then __5___some sewing(缝纫).She went to bed much ___6__than he husband. She found a piece of __7___on the small table near her bed . On it __8__the words, ―Please __9__me up at 7 a. m. Jones.‖When Mr Jones woke up in the morning ,it was nearly 8 a. m. and on the table near his bed ,he __10___another piece of paper. ―He read these words ―,Please wake up ,it is 7 a. m.‖( )21 A. she‘s B .hers C . her D .herself( )22.A. spoke B. talk C. say D. tell( )23. A. happy B. tired C. sad D. angry( )24. A. say B. tell C. talk D.speak( )25. A. played B .had C .mended D .did( )26. A. quicker B. faster C. earlier D. later( )27. A .chocolate B. cake C. paper D. bread( )28. A. were B .was C. are D. is( )29. A .let B. wake C. get D. stop( )30. A. saw B .wrote C. kept D. had三．阅读理解（共50分，每小题2.5分）AOne of my friends Fred did very 1ittle work when he was a student. He spent more time drinking in bars than working in the library. Once, we had to take an important exam. The exam had a hundred questions. To each question, we had to write "Right" or "Wrong". The night before the exam, Fred was watching TV and drinking. He usua1ly worried a lot the night before the exam. But on that night he looked quite relaxed. He told me what he would do." It's very easy," he said to me, "There are a hundred questions and I have to get fifty right answers to pass the exam. I'll bring a coin with me and throw it to decide answers. I' m sure I'll get half the questions right in this way." During the exam, Fred sat down and really threw the coin for half an hour when he was writing down his answers. Then he 1eft half an hour before the others. The next day he saw the teacher on the playground. "Good morning, Mr. Wu," he said, "Have you checked the papers? Have I passed?" The teacher 1ooked at him and smiled, "Ah, it's you, Fred. One moment, please." Then he put his hand into his pocket and took out a coin. He threw it into the air, caught it in his hand and looked at it , "I'm very sorry, Fred. You failed."( )31. Fred usually worried a lot before the exam _______________.A. because he did little work in the bars.B. because he did little work on his booksC. he was afraid of the examD. he didn't like taking the exam.( )32. ____________________,the night before the important exam.A. Fred was busy working on his lessonsB. Both Fred and the writer were preparing the lessonsC. Fred worried about the examD. Fred was watching TV and drinking.( ) 33. On that night before the important the exam, Fred was very quiet because _______ .A. he knew the answerB. the exam would be very easyC. the teacher would give him good gradesD. he would choose the answers by chance( ) 34. Which sentence is true?A. The coin didn't bring good luck to Fred.B. The coin brought Fred good luck.C. Fred was a very good student.D. Fred was a very clever student.( )35. Which sentence is wrong?A. The teacher didn't know what Fred did in the examB. Mr. Wu didn't let Fred pass the examC. Mr. Wu was glad that Fred was very clever.D. The next day the teacher looked at Fred and smiled.BOne day Mrs Wilson went shopping with Tracy and Ben. They went to the supermarket in the new shopping centre."Why do you buy things here?" Tracy wanted to know. “Because they are cheaper here than at the corner store near our home.”Mrs Wilson said，“Help me check the prices, please.”The Wilsons were not rich and Mrs Wilson was always careful with her money. She looked carefully at the prices of things. She bought lots of things in the supermarket. When they got home，the children said，"We don't think you saved money by going to the supermarket.”“Of course I did.”Mrs Wilson said. “Everything was cheaper there.”"We know，"the children said，"but we came home by taxi because we had too much to carry. The taxi fare was more than the money you saved！”Mrs Wilson added something up. Her children were right."Well done，”she said. "Next time we'll do the shopping nearby.”（）36 .The things at the corner store were＿than those in the supermarket.A. cheaperB. niceC. more expensiveD. better（）37. Mrs Wilson in the end.A. spent more moneyB. paid less moneyC. lost some moneyD. saved a little money（）38. From the passage we know the children were＿．A. happyB. cleverC. tiredD. lazy（）39. Mrs Wilson will next time.A. never call a taxiB. go on buying things in the supermarketC. buy things near her homeD. not go shopping with her children（）40. The best title for the passage isA. Cutting priceB. Corner storeC. SupermarketD. ShoppingC根据短文内容，判断下列句子正误。
2022年人教版八年级地理下册第二次月考试题及参考答案
2022年人教版八年级地理下册第二次月考试题一、选择题（共27个小题，每小题2分，共54分）1.有关我国地理区域划分的说法，错误的是：( ）A．根据海拔高低，可将我国划分为三级阶梯B．根据降水量和蒸发量的对比，可将我国划分成四大干湿地区C．根据热量条件分布状况，可将我国划分为四个温度带和一个高原气候区D．综合地理位置、自然地理和人文地理的特点，可将我国划分为四大地区2. 秦岭---淮河线与下列哪个主要地理分界线最接近( ）A. 1月均温的0℃等线B. 400毫米年等降水量线C. 季风区与非季风区分界线D. 第二、三级阶梯分界线3.北方地区的主要粮食作物是 ( )A. 青稞B. 小麦C. 水稻D. 大豆4.华北平原主要由( ）冲积而成。
A. 辽河、淮河、海河B. 黄河、辽河、海河C. 黄河、淮河、海河D. 黄河、淮河、辽河5.俗话说“一方水土养一方人”。
下列景观与我国北方地区相符的是:( ）A. 民居屋顶坡度大，墙体高B. 多水田，以种植水稻、油菜为主C. 水运仍然是人们常用的一种交通运输方式D. 农业以旱作为主，多种植小麦、玉米等作物6. 西北地区气候干旱的主要原因是( )A. 地势高B. 纬度高C. 深居内陆、距海遥远D. 受夏季风影响明显7. 有“北大仓”美誉，给我国提供了大量商品粮的地区是 ( )A. 黄土高原地区B. 三江源地区C. 东北三省D. 长江三角洲地区8. 内蒙古草原牧区传统的民居是( ）A. 窑洞B. 斜顶瓦房C. 平顶房屋D. 蒙古包9. 青藏地区的农作物一般分布在( ）A. 高大山脉上B. 河流源头C. 河谷地带D. 湖泊周围10. 古代文人给我们留下了大量地优美的诗篇，在这些诗篇中，不乏有描述地理现象，解释地理规律的诗句。
你认为下列诗句中描述的不是南方景观的是( ）A. 枯藤老树昏鸦，小桥流水人家B. 千里莺啼绿映红，水村山郭酒旗风C. 忽如一夜春风来，千树万树梨花开D. 采莲南塘秋，莲花过人头11. 青藏地区成为许多大河发源地的原因是( ）A. 降水丰富B. 气温高C. 海拔高、冰雪融水多D. 靠近海洋12. 黄土高原严重的生态环境问题是( ）A. 荒漠化B. 酸雨C. 气候变暖D. 水土流失13.南方地区的气候类型是 ( ）A. 温带季风气候B. 温带大陆性气候C. 亚热带和热带季风气候D. 地中海气候14. 华北平原发展农业生产容易遭受的自然灾害是( ）A. 泥石流B. 洪涝C. 台风D. 春旱15. 青藏地区的优势能源资源是( ）A. 石油B. 煤炭C. 太阳能和地热D. 天然气16. 香港和澳门都非常发达的经济部门是( ）A. 博彩业B. 航运业C. 旅游业D. 转口贸易17. 下列名胜古迹，不在北京的是( ）A. 天坛、明清故宫B. 中山陵、日月潭C. 颐和园、八达岭长城D. 明十三陵、天安门18. “北京是中共中央、全国人大常委会和国务院所在地，是全国高等院校最集中的地区，拥有众多的博物馆，集中了大量的文化艺术团体。
八下第二次月考
建阳二中八年级下数学第二次月考一、选择题（本大题10个小题，每小题4分，共40分）1、在三边分别为下列长度的三角形中，哪些不是直角三角形（ ）A 、5，13，12B 、2，3，5C 、4，7，5D 、1，3,2 2.已知△ABC 的三边长分别为5、13、12，则△ABC 的面积为（ ）A 、30B 、60C 、78D 、不能确定 3.菱形的两条对角线长分别为6㎝，8㎝，则它的面积为 （ ） A 、6 ㎝2 B 、12㎝2 C 、24 ㎝2 D 、48 ㎝2 4.下列命题正确的是（ ）A ．对角线互相平分的四边形是菱形；B ．对角线互相平分且相等的四边形是菱形C ．对角线互相垂直且相等的四边形是菱形； D.对角线互相垂直且平分的四边形是菱形。
5、如图，四边形ABCD 中，∠ABC=900，AB=3，BC=4，CD=12，AD=13，则四边形ABCD 的面积为（ ）A 、72B 、36C 、66D 、42 6．如图：已知，平行四边形ABCD 中，CE⊥AB，E 为 垂足，如果∠A=125°，则∠BCE 的度数是( ) A ．25° B ．55° C ．35°D ．30°7、如图，有一块直角三角形形纸片，两直角边AC=6cm ，BC=8cm ，现将直角边AC 沿直线AD 折叠，使它落在斜边AB 上，且与AE 重合，则CD 等于（ ） A ．2cm B ．3cm C ．4cm D ．5cm8、一台机床在十天内生产的产品中，每天出现的次品个数依次为(单位：个)0，2，0，2，3，0，2，3，1，2．那么，这十天中次品个数的 ( )A ．平均数是2B ．众数是3C ．中位数是1.5D ．方差是1.25 9、1x ，2x ，……，10x 的平均数为a ，11x ，12x ，……，50x 的平均数为b ，则1x ，2x ，……，50x 的平均数为（ ）(第5题D E BCA A E BC第6题图第7题图A 、b a +B 、2b a + C 、605010b a + D 、504010ba + 10.已知甲乙两组数据的平均数都是5，甲组数方差2112S =甲，乙组数方差2110S =乙则（ ）Ａ．甲组数据比乙组数据的波动大 Ｂ．乙组数据比甲组数据的波动大 Ｃ．甲组数据与乙组数据的波动一样大 Ｄ．甲乙两组数据的波动大小不能比较二、填空题（本大题10个小题，每小题3分，共30分）11. 已知一个直角三角形的两边长分别是3和4，则第三边长为 。
江苏省南通市崇川区 2023-2024学年八年级下学期第二次月考模拟试题(含答案)
南通市八年级下册2023-2024第二次月考模拟测试一、单项选择1.（）—Would you please not speak so loudly in _________ public?—Sorry. I will remember to speak in _________ lower voice.A. the; aB. /; aC. the; theD. /; /2. ( ) — Was it necessary _______ Mike ________ some pictures before helping the old?— I think so. In this way, he could help himself later.A. of; takingB. for; takingC. of; to takeD. for; to take3. ( ) — Mum，I feel like ______ some milk.— Oh，dear，there is none _______. What about some water?A. drinking; to leaveB. to drink; left;B. drinking；left D. to drink;to be left4. ( ) — I find _______ difficult to learn a foreign language. I want to drop it.— Never _______.A. that; give up itB. that ; give it upB. it; give up it D. it; give it up5. ( ) — Wow，a HUAWEI Mate 60 pro , ______ big surprise! Thanks, Darling!— It's your birthday present. But please read the ______ carefully before you use it.A. what a；instructionB. what a；informationC.how; invitationD. how; instrument6. ( )The students came_______and stopped to look at the exhibits _______.A.close;closelyB.closely;closeC.close;closeD.closely;closely7. ( ) —How long did you stay outside last night?—_______the concert in the square was over.A.Not untilB.SinceC.WhenD.Till8. ( )Jack’s father is too busy _______housework_______him with his homework.A.doing;to helpB.to do;to helpC.doing;helpingD.to do;helping9. ( )Tommy was ill two days ago. But he is ________to go to work today.A.well enoughB.enough wellC.enough goodD.good enough10. ( )—Let's do more exercises for the coming Chinese examination.—Good idea. Just as an old saying goes,“________.”A.Many hands make light workB.The early bird catches the wormC.Practice makes perfectD.It's never too old to learn二、完形填空A group of tourists walked into a local pub.One of the tourists said in a loud voice, “I 1 you locals think you're great drinkers. I’ll bet 5,000 euros that 2 here can drink 40 cups in 30 minutes.”The bar was 3 . The tourist 4 one small local slipping out(溜出去) of the bar, but no one 5 the bet. Nobody said anything.About 40 minutes later the local man who left 6 and said, “Hey, is the bet still7 ?” “ 8 ,”said the tourist.“Great!" replied the local. “Pour the wine and 9 the clock.”It was very 10 but the local finished the last drop with 30 seconds left.“OK, 11 ,”said the local.“Tm 12 to pay. Here's your money,”said the tourist.“But tell me, when I first 13 the wager (赌注) I noticed you left. Where did you go?”The local replied, “Well sir, 5,000 euros 14 be a lot of money to a man like me, 15 I went to the pub across the road to make sure I could do it first.”( )1.A.sound B.look C.sense D.hear( )2.A.no one B.some one C.any one D.every one( )3.A.silent B.excited C.noisy D.burning( )4.A.remembered B.noticed C.followed D.searched( )5.A.looked up B.gave up C.kept up D.took up( )6.A.recalled B.happened C.returned D.expressed( )7.A.in B.within C.on D.off( )8.A.Of course B.Not yet C.Bless you D.No worries( )9.A.open B.set C.fix D.put( )10.A.far B.deep C.free D.close( )11.A.pay up B.knock ou C.show up D.die out( )12.A.angry B.afraid C.happy D.sick( )13.A.won B.lost C.accepted D.offered( )14.A.should B.have to C.would D.need to( )15.A.as B.so C.for D.or三、阅读理解AOur bodies use energy all the time.We use energy as we work and as we play.We even use energy as we sleep. As you sleep, your body may look still from the outside. But inside, your heart, brain and lungs are working.When you run and play, your body uses more energy than when you are at rest.Your bones and muscles help you move.Your heart beats faster.We get energy from the things we eat. Fruits and vegetables give us energy. Bread and pasta give us energy too. Dairy food can give us energy and also help our teeth and bones grow strong. Eggs, meats, and nuts give us energy and also help our bodies grow. When we eat healthy food, we have a healthy energy level.Foods such as cookies and cake are loaded with sugar. They may give us a quick energy boost, but leave us feeling tired and worn out within an hour.Try to eat healthy food so you have enough energy to enjoy your day!（）1.We use energy _______.A.as we playB.as we workC.as we sleepD.all of the above( )2.Foods such as cookies and cake_______.A.are loaded with sugarB.help our teeth grow strongC.give us energy that lasts all dayD.none of the above( )3.Dairy foods can_______.A.help our bones growB.give us energyC.help our teeth grow strongD.all of the above( )4.The author wrote this mainly to_______.A.help kids swim fasterB.make us laughC.help us understand our need for energyD.tell us where to buy good foodBMany years ago, the Pandetti family lived in the mountains. Grandpa Pandetti traveled into the village to trade his goods. While he was there, he looked for a special gift for his family. After a long search, he found a lovely mirror. No one in his family had ever seen a mirror. Grandpa Pandetti bought the mirror and hurried home to his family.It was late when Grandpa arrived home. He hung the mirror on the wall and then fell fast asleep. Early in the morning, little Paul Pandetti awoke. As he walked into the room, he saw a young boy looking back at him."Papa, Papa, someone has broken into our house," Paul cried.Papa hurried down. He glanced at the mirror and saw a strong man looking back at him. He glared at the man.The man glared back. He pounded his hand on the table and watched as the man pounded his hand on the table. Mama Pandetti came into the room. She stopped in her tracks when she saw a young woman looking at her. Mama Pandetti smiled and waved at the woman. The woman smiled and waved back at Mama.Papa watched her with curiosity and then stepped up to themirror with a smile.The strong man appeared once again in the mirror,but this time he wore a smile upon his face. From that day forward, the Pandetti family smiled as they walked through the room. They were always greeted by a smile in return.( )5. Why did Grandpa Pandetti go to town?A.To learn about mirrorsB.To trade his goodsC.To visit his familyD.All of the above( )6.What did Grandpa Pandetti do when he got home?A.He told his family about the mirror.B.He hung the mirror on the wall.C.He made dinner for himself.D.None of the above.( )7. The author most likely wrote this story to______.A.teach the reader about mirrorsB.teach the reader about life in the mountainsC.teach the reader to smile at lifeD.show the reader how to hang a mirror( )8. How did the Pandettis solve the problem in this story?A.They took the mirror off the wall.B.They smiled whenever they looked in the mirror.C.They made friends with their visitors.D.All of the above.CToday let me tell you a true story. Last July, my 12-year-old car died on California's Santa Ana Freeway. It was an hour before sunset, and I was 25 miles from home. Icouldn't reach anyone to pick me up, so I decided to take a bus. Not knowing the routes, Ifigured I'd just head east.A bus pulled up, and I asked the driver how far she was going. "Four more lights,"she said. There was another bus I could take from here. This clearly was going to be along night.She dropped me off at the end of her route and told me which bus to look for. After waiting 30minutes, I began to think about a very expensive taxi ride home. Then a buspulled up. There was no lighted number above its windshield. It was out of service. Butthe door opened, and I was surprised to find that it was the same driver.“I just can't leave you here," she said. "This isn't the nicest place. I'll give you a ridehome.” “You'll drive me home on the bus?” I asked, puzzled. “No, I'll take you in my car,” she said with a smile. “It's a long way from here,” I protested.“Come on,” she said. “I have nothing else to do now.”As we drove from the station in her car, she began telling me a story. A few days earlier, her brother had run out of gas. A good Samaritan(善人) picked him up, took him to a services and then back to his car. “I'm just passing the favor along,” she said.When I offered her money as a thank-you, she wouldn't hear of it. "That wouldn't make it a favor," she said. “Just do something nice for somebody. Pass it along."( )9.Why did the writer say that he would have a long night?A.No driver would give him a ride.B.He wondered how long he had to wait for the next bus.C.He didn't know the routes.D.He perhaps would have to take a taxi.( )10.Judging from the passage the place where the writer waited for the second bus may be______.A.very quiet and peacefulB.dark without street lightsC.neither clean nor beautifulD.a little unsafe( )11.The writer changed his mind after waiting for 30 minutes at the end of the route because________.A.no bus would come at the timeB.a taxi ride would be more comfortableC.he became impatient and a bit worriedD.he knew the driver would never return( )12.The bus driver drove the writer home later because_______.A.she happened to go in the same directionB.she wanted to do something good for other peopleC.her brother told her to do soD.she wanted to earn more money( )13.The bus driver hoped that the writer_______.A.would do as she didB.would keep her in memoryC.would give the money to othersD.would do her a favorDLong ago, three rascals tricked Simon out of his family's only cow. The very next day, Simon and his Mama set out to teach those rascals a lesson. In the morning, Mama walked to town to set the stage. Then she returned home, gave Simon a tarnished old ring, and told him exactly what to do. Simon set out for town that afternoon. He arrived at an inn where the three rascals were planning their next heist .Simon joined them and offered to buy their drinks. When it came time to pay the bill, Simon held up his hand and slowlytwisted the ring on his finger three times. Then he asked the innkeeper, "How much do l owe?""Nothing,"said the innkeeper. "It's taken care of."The three rascals looked at one another, but said nothing. They walked with Simon to the next inn, where Simon offered to treat them to a fine dinner. After dinner, Simon held up his hand and slowly twisted the ring three times. The innkeeper came to the table, thanked them for coming and announced that the bill was covered.The rascals asked Simon where the ring had come from.Simon replied, "Mama found it buried in the sand.She said it is worth a fortune.""We'll give you one hundred silver coins for it!" said the first rascal."It's a deal," Simon replied. He took the coins straight home.Mama was pleased."Now we have one hundred silver coins," she said. "Fifty coins will pay for the cow. Twenty coins will cover the food and drink and the final thirty coins will teach those rascals a lesson."The three rascals never bothered Simon again.( )14.Why did Mama want to teach the rascals a lesson?A.The rascals did not pay for their dinner.B.The rascals tricked Simon out of his family's cow.C.The rascals took Simon's horse.D.She was very helpful.( )15.Why did Mama most likely go to town?A.To find the rascals.B.To give the innkeepers money for the food and drinks.C.To find the cow Simon sold and get it back.D.To pay for the cow.( )16.What happened before the rascals bought the ring?A.The rascals tricked Simon out of his family's cow.B.Simon held up his hand and slowly twisted the ring.C.Simon offered to treat the rascals to dinner.D.All of the above.( )17. How many silver coins did Simon and his Mama teach those rascals a lesson?A. One hundred.B. Fifty.C. Thirty.D. Twenty.( )18.The author most likely wrote this story to______.A.teach the reader about HollandB.teach the reader about magic ringsC.entertain the readerD.help the reader make money四、信息还原（六选五）Frogs can breathe both in water and on land. When they are underwater, they breathe through their skin.1. Tadpoles hatch from the eggs. When they first hatch, tadpoles have tails and look a lot like tiny fish. As they get bigger, they grow legs and their tails disappear.Frogs eat insects, spiders and worms. 2.Many frogs are green, but they can also be other colors. Tree frogs can be red, blue or yellow. 3.Toads are a type of frog. Most toads are gray or brown. Unlike other frogs, most toads have bumpy skin. Some frogs, such as the Little Grass Frog, are less than an inch long. 4. The Goliath Frog is the largest frog in the world. It can grow up to 13 inches long and can weigh as much as 8 pounds.A. Other frogs can be very large.B. Frogs lay their eggs in the water.Many snakes eat frogs. Little frogs jump as far as they can to try to get away from snakes.The Goliath frog is so big that it can eat little snakes. 5.五、语法填空Pantone chose Peach Fuzz （柔和桃） as the color of the Year for 2024. It's 1 soft peachy shade between pink and orange. It can make people 2 （feel ） kindness and togetherness. With different 3 （time ） in the past year, we all need a break and some peace. Peach Fuzz can bring us 5 （warm ）. It 5 （help ）us think 6 soft peaches, bird feathers and silk. Pantone's specialist,Leatrice Eiseman, says it's cozy and tactile 7 that is very important. It means we should care for 8 (we). Time magazine says Peach Fuzz brings a mix of the past and modernity. Although we usually see peach as a nostalgic （怀旧的）, 9 （girl ） color, it's breaking into 10 （man ）clothes, showing its modernness.1. ________2.________3.________4.________5.________6._________7.________8.________9._______ 10._______六、首字母填空How do we know about things that happened thousands of years ago, when there were no videos or photos? One answer is written records. The earliest written records of Chinese civilization (文明) are known a 1 oracle bone inscriptions (甲骨文).More than 3,000 years ago, people in the Shang Dynasty (16th – 11th century BC) l 2 to ask fortune tellers (占卜师) about the future. For example, what will the weather be like next week? Where should I go to make money? W 3 my wife give birth to a boy or a girl? From work to love, people asked questions about many t 4 . The fortune teller would write theC. Frogs are important to human beings.D.Most frogs have smooth skin.E.They only like to eat animals that are alive.F.Little snakes slither away from the Goliath frog as fast as they can!question on an oracle bone, heat it up, and then read the cracks (裂纹) in it to f 5 an answer.Tens of thousands of oracle bones have been found so far. They can tell us a great deal about how people lived during the Shang Dynasty. “They help us understand the origins of Chinese philosophy (哲学) and thought, and figure out w 6 our culture comes from,” Song Zhenhao, a leading oracle bone expert.In addition to telling us about ancient Chinese culture, the oracle bones are also key to u 7 the growth and development of the written form of the Chinese language. Many of the characters we use today are similar to t 8 that were used 3,000 years ago. “The oracle bone inscriptions, as the earliest-known mature (成熟的) form of Chinese c 9 , represent the beauty and uniqueness of a language that has been passed down consistently (持续地),” said Chen Nan, a professor at Tsinghua University.In 2017, UNESCO added oracle bone inscriptions to its Memory of the World Register (“世界记忆”名录). They are indeed a v 10 memory of ancient China.1. ________2.________3.________4.________5.________6._________7.________8.________9._______ 10._______七、任务型阅读In need of some rest? You can now climb down 419 meters to have the deepest sleep below ground. The hotel called Deep Sleep, located beneath the mountains of Snowdonia in Wales, is officially the world's deepest hotel. Guests must journey down through a slate mine(板岩矿)to reach the hotel.The hotel has four private twin-bed cabins(小木屋) and a romantic grotto(洞穴) with a double bed. A single night stay for two in a private cabin costs ￡350 while the price for two in the grotto is ￡550. And if you're a single guest, you will have to pay the price of two, too.You can only book the hotel for a Saturday night through to Sunday morning and getting to your room is far from relaxing. You will have to complete a 45-minute walk into the mountains and at the end you'll get a helmet, light, harness (安全带) and boots before going into the world's largest and deepest slate mine.The trip down into the mine includes ancient miner stairwells(楼梯井), old bridges and ascramble(攀爬). It takes about 60 minutes, and once you complete the trip, you'll arrive at a set of large steel doors. Welcome to Deep Sleep!Then, try and relax for the evening with a free meal to enjoy at the picnic table. After that just head off to bed.It's also important to note it's not exactly warm down there. It's about 10℃, so it will feel the same as if you were camping outside. Be sure to pack warm clothes.All guests must get up before 8 am for a hot drink and breakfast before starting the trip back up to ground level. And going up is always harder than coming down. Whatever, it certainly sounds unique.1. Where is the hotel called Deep Sleep?__________________________________________________________2 How much do you have to pay if you sleep in the grotto for one night?__________________________________________________________3.How long will it take you to get to the hotel?_________________________________________________________4. What should you bring before going into the mine?__________________________________________________________5. What do you think of the trip to the Deep Sleep?__________________________________________________________八、句子翻译1. 你最好把门开着。
八下数学月考2模拟试卷2
八年级数学综合练习(2)班级 姓名一、选择题：1．下列交通标志图案是轴对称图形的是（ ） A ．B ．C ．D ．2．下列分式中，属于最简分式的是（ ） A.42x B. 221x x + C. 211x x +- D. 11xx -- 3. 在反比例函数1k y x-=的图象的每一条曲线上，y 随x 的增大而增大，则k 值可以是（ ）A ．-1B ．1C ．2D ．3 4．在一个不透明的口袋中，装有5个红球3个白球，它们除颜色外都相同，从中任意摸出一个球，摸到红球的概率为（ ） A.15 B. 13 C. 58 D. 385. 菱形ABCD 中，如果E 、F 、G 、H 分别是各边的中点，那么四边形EFGH 的形状是（ ） A ．平行四边形 B ．矩形 C ．菱形 D ．正方形6．已知如图：（1）、（2）中各有两个三角形，其边长和角的度数已在图上标注，图（2）中AB 、CD 交于0点，对于各图中的两个三角形而言，下列说法正确的是（ ）A ．都相似B ．都不相似C ．只有（1）相似D ．只有（2）相似 7．如下左图，Rt △ABC 中，∠ACB=90°，D 为斜边AB 的中点，动点P 从B 点出发，沿B →C →A 运动.如图1所示，设y S DPB =∆，点P 运动的路程为x ，若y 与x 之间的函数图象如图2所示，则△ABC 的面积为（ ）A .4 B.6 C. 12 D. 148. 如下右图，双曲线2y x=（x ＞0）与矩形OABC 的边BC ，BA 分别交于点E ，F ，且AF=BF ，连接EF ，则△OEF 的面积为（ ）A ．1.5B ．2C ．2.5D ．3二、填空题：9．分式31xx +有意义的x 的取值范围为 . 10. 若关于x 的一元二次方程0322=-+-m x x 有两个实数根，则m 的取范围是 .11．某商品原价100元，经两降价到81元，设平均每次降价的百分率为x ，依题意列方程为 . 12. 若关于x 的方程2233x mx x -=+--无解，则实数m 的值为 ． 13．将直线y =2x +1平移后经过点（2，1），则平移后的直线解析式为 ． 14．如图，如果△ABC 与△DEF 都是正方形网格中的格点三角形（顶点在格点上），那么DEF∆与ABC ∆的相似比为 ． 15．如图，点A 是反比例函数3y x =（x ＞0）的图象上任意一点，AB ∥x 轴交反比例函数4y x=-的图象于点B ，以AB 为边作平行四边形ABCD ，其中C 、D 在x 轴上，则平行四边形ABCD 的面积为 .16．如图，矩形ABCD 中，AB=6，BC=8，点E 是BC 边上一点，连接AE ，把∠B 沿AE 折叠，使点B 落在点B′处，当△CEB′为直角三角形时，BE 的长为 三、解答题： 17．计算： （1）148312242÷-⨯+ （2）211(2)1a a a ⎛⎫--÷- ⎪-⎝⎭18．解方程： （1）2533322x x x x --=--- （2）23(5)2(5)x x -=-19．先化简，再求值：2222211()b a ab b a a ab a a b⎛⎫-+÷+÷+ ⎪-⎝⎭，其中23a =+，23b =-第14题 第15题 第16题 C A B E D F20．为了解某校九年级男生的体能情况，体育老师随机抽取部分男生进行引体向上测试，并对成绩进行了统计，绘制成图1和图2两幅尚不完整的统计图． （1）本次抽测的男生有 人， （2）请你将图2的统计图补充完整；（3）若规定引体向上5次以上（含5次）为体能达标，则该校350名九年级男生中估计有多少人体能达标？21．如图，在平行四边形ABCD 中，点E 、F 是对角线AC 上两点，且AE=CF ．试说明：∠EBF=∠FDE ．22．列方程或方程组解应用题：小辰和小丁从学校出发，到离学校2千米的“首钢篮球馆”看篮球比赛．小丁步行16分钟后，小辰骑自行车出发，结果两人同时到达．已知小辰的速度是小丁速度的3倍，求两人的速度．23.如图，已知一次函数12y x b =+与反比例函数my x=在第二象限的图像交于， A (n ，12)、B (－1，2 )两点． ⑴求 m 、 n 的值；⑵根据图象回答：在第二象限内，当 x 取何值时，一次函数大于反比例函数的值？ ⑶△AOB 的面积是多少？（第20题图） xyOAB24．如图，在平面直角坐标系中，已知点A (2，3)、B (6，3)，连结AB . 若对于平面内一点P ，线段AB 上都存在点Q ，使得PQ ≤1，则称点P 是线段AB 的“邻近点”．（1）判断点D 719(,)55，是否线段AB 的“邻近点” （填“是”或“否”）；（2）若点H (m ，n )在一次函数1-=x y 的图象上，且是线段AB 的“邻近点”，求m 的取值范围． （3）若一次函数y x b =+的图象上至少存在一个邻近点，直接写出b 的取值范围.25．如图，在Rt ABC △中，90A ∠=，6AB =，8AC =，D E ，分别是边AB AC ，的中点，点P 从点D 出发沿DE 方向运动，过点P 作PQ BC ⊥于Q ，过点Q 作QR BA ∥交AC 于R ，当点Q 与点C 重合时，点P 停止运动．设BQ x =，QR y =． （1）求点D 到BC 的距离DH 的长；（2）求y 关于x 的函数关系式（不要求写出自变量的取值范围）；（3）是否存在点P ，使PQR △为等腰三角形？若存在，请求出所有满足要求的x 的值；若不存在，请说明理由．A BCD ER P H Q。
八下 二次月考
八年级数学第二次月考班级 姓名 组别 分数一、选择题（83⨯'）1、下列式子中属于最简二次根式的是（ ）A 、8B 、11C 、21 D 、2a 2.、实数a 、b 在数轴上的位置如图，且a >b ，则化简b a a +-的结果为（ ）A 、b a +2B 、b a +-2C 、bD 、b a -23、如图，1====DE CD BC AB ，，BC AB ⊥，CD AC ⊥，DE AD ⊥则AE 等于（ ）A 、1B 、2C 、2D 、34、在ABC ∆中，C B A ∠∠∠，，的对边分别是，，，c b a 下列命题中的假命题是（ ）A 、如果，ABC ∠=∠-∠则ABC ∆是直角三角形B 、如果222a b c -=，则ABC ∆是直角三角形，且90=∠CC 、如果()()2b a c a c =-+，则ABC ∆是直角三角形D 、如果C B A ∠∠∠：：=5：2：3，则ABC ∆是直角三角形5、平行四边形ABCD 中，D C B A ∠∠∠∠：：：的值可能为（ ）A 、1：2：3：4B 、1：2：1：2C 、1：1：2：2D 、1：2：2：16、已知：如图所示，在矩形ABCD 中，E 、F 、G 、H 分别为边AB 、BC 、CD 、DA 的中点，若AB=2，AD=4，则图中阴影部分的面积为（ ）A 、3B 、4C 、6D 、87、某人匀速跑步到公园，在公园的某处停留了一段时间，再沿原路匀速步行回家，此人离家的距离y 与时间x 的关系大致图像是（ ）8、一次函数b kx y +=的图像过），（60B 与x 轴交与点A ，ABC ∆的面积为9，则一次函数的解析式为（ ）A 、62+±=x yB 、62+=x yC 、62+-=x yD 、63+±=x y二、填空题（73⨯'）9、使代数式xx --312有意义的x 取值范围是 10、等边三角形的边长是6cm ，面积是11、已知a ，b ，c 是ABC ∆的三边长，且满足关系式0222=-+--b a b a c ，则A B C ∆的形状为12、一个直角三角形的两条边长分别为6和8，则它的第三边长为13、若菱形的两条对角线长分别是10和24，则此菱形的面积为14、直线ax y =、bx y =与cx y =的图像如图所示，则a ，b ，c 的关系为15、设甲、乙两车在同一直线公路上匀速行驶，开始甲车在乙车的前面，当乙车追上甲车后，两车停下来，把乙车的货物转给甲车，然后甲车继续前行，乙车原地返回。
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(1)(2)(3)尹集中学2013-2014学年度第二学期第二次月考八年级数学模拟试卷本试卷共4页， 23个小题，总分为100分，考试时间为100分钟．答案用蓝色、黑色钢笔或圆珠笔书写，答题时不能使用计算器。
一、选择题（本大题共9个小题，每小题3分，共27分。
注意每小题的四个选项中只有一个是对的，将正确答案相对应的字母填在括号里）1．△ABC ∽△A ‘B ’C ‘，且相似比为2：3，则对应边上的高的比等于··········【 】 A 、2：3 ； B 、3：2； C 、4：9； D 、9：4。
2.不等式组⎩⎨⎧≥-->+021372x x x 的解集是····································【 】A x ＜8B x ≥2C 2≤x<8D 2＜x ＜83．下列各式是分式的是·············································【 】A.a 21.B.221a b +.C.4y -.D.xy 5421+.4．多项式4x 2+1加上一个单项式后，使它能成为一个整式的完全平方，则加上的单项式不可以是······················································【 】 (A)4x (B)-4x (C)4x 4 (D)-4x 45．已知311=-y x ，则yxy x yxy x ---+55的值为······························【 】A 、27-B 、27C 、72D 、72-6．甲、乙两组数据，它们都是由n 个数据组成，甲组数据的方差是 0.4，乙组数据的方差是0.2，那么下列说法正确的是································【 】 A ．甲的波动比乙大 B ．乙的波动比甲大 C ．甲、乙的波动一样大 D ．甲、乙的波动的大小无法比较7．下列说法正确的是·············································【 】 A.两个等腰三角形相似 B.两个直角三角形相似 C.两个等腰直角三角形相似 D.有一个角相等的两个等腰三角形相似 8．三角形的三边长分别为3，a 21-，8，则a 的取值范围是···········【 】A ．-6＜a ＜-3B ．-5＜a ＜-2C ．a ＜-5或a ＞2D ．2＜a ＜59．1.图（1）是一个水平摆放的小正方体木块，图（2）、（3）是由这样的小正方体木块叠放而成，按照这样的规律继续叠放下去，至第七个叠放的图形中，小正方体木块总数应················【 】 A ．25 B ．66 C ．91 D ．120二、填空题（本大题共 8个小题，每小题3分，共24分）10、在一次“人与自然”知识竞赛中，竞赛试题共有25道题．每道题都给出4个答案，其中只有一个答案正确．要求学生把正确答案选出来．每道题选对得4分，不选或选错倒扣2分．如果一个学生在本次竞赛中的得分不低于60分，那么，他至少选对了___________道题． 11．因式分解：a3-a= ．12．化简=-÷-ab ba b ab )(2 。
13．关于x 的方程3k-5x=9的解是非负数，则k 的取值范围是14．如图，A 、B 两点被池塘隔开，在 AB 外选一点 C ，连结 AC 和 BC ，并分别找出它们的中点 M 、N ．若测得MN ＝15m ，则A 、B 两点的距离为15. 为了让学生适应体育测试中新的要求某学校抽查了部分初二男生的身高(注：身高取整数)．经过整理和分析，估计出该校初二男生中身高在160cm 以上（包括160cm ）的约占80％．右边为整理和分析时制成的频率分布表，其中a ＝ 。
16如图，在梯形ABCD 中，AD ∥BC,AC 交BD 于点O,9:1:=∆∆BOC AOD S S ,则=∆∆BOC DOC S S : 。
17．已知点C 是线段AB 的黄金分割点，且AC>BC ，AB=2，则BC= .三、解答题18．（本题共7分）（1）、 如图AB 和DE 是直立在地面上的两根立柱。
已知AB=5m ，某一时刻AB 在阳光下的投影BC=3m.A BCDOADBE HF CG图1M①请你在图中画出此时DE 在阳光下的投影；②在测量AB 的投影时，同时测量出DE 在阳光下的投影长为6m ，请你计算DE 的长。
19．（本题7分）先化简，再求值：x x x x x x x ÷--++--22121222其中21=x20. （本题10分）如图，有一块三角形土地，它的底边BC=100m,高AH=80m.某单位要沿着底边BC 修一座底面积是矩形DEFG 的大楼，设DG=xm,DE=ym. 1. 求y 与x 之间的函数关系式；2. 当底面DEFG 是正方形时，求出正方形DEFG 的面积。
21.（本题满分10分）甲、乙两人在相同条件下各射靶10次，每次射靶的成绩情况如图所示.（1） 请填写下表：（2）请你就下列两个不同的角度对这次测试结果进行分析. ①从平均数和方差相结合看（分析谁的成绩好些）；②从平均数和命中9环以上的次数相结合看（分析谁的成绩好些）；22．（本题10分）某工程队要招聘甲、乙两种工种的工人150人，他们的月工资分别为600元和1000元，现要求乙种工种的人数不少于甲种工种人数的2倍。
设招聘甲种工种的人数为x ，工程队每月所付工资为y 元。
（1） 试求出x 的取值范围；（2） 试求y 与x 的函数关系，并求出x 为何值时，y 取最小值，最小值为多少?23．（本题12分）在Rt △ＡＢＣ中,. ∠C=90°,AC=２０cm,BC=１５cm. 现有动点Ｐ从点Ａ出发,沿ＡＣ向点Ｃ方向运动，动点Ｑ从点Ｃ出发,沿线段ＣＢ也向点Ｂ方向运动. 如果点Ｐ的速度是４cm /秒, 点Ｑ的速度是２cm /秒, 它们同时出发,当有一点到达所在线段的端点时，就停止运动。
设运动的时间为ｔ秒求:（1）用含ｔ的代数式表示Rt △ＣＰＱ的面积Ｓ；（2）当ｔ＝３秒时，这时,Ｐ、Ｑ两点之间的距离是多少？ （３）当ｔ为多少秒时，以点Ｃ、Ｐ、Ｑ为顶点的三角形与△ＡＢＣ 相似？ABAB CDFE。