12-13学年新目标八上综合试题
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2012 ~ 2013学年第一学期期中考试八年级思想品德试卷(开卷)一、单项选择题(下列各题的4个选项中,只有一项是最符合题意的,请选出该项并将其序号填写在答题卡中。
15小题,每小题3分,共45分)题号 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 答案1、“我渴望自由,但我深深知道,人的身躯怎能从狗洞子里爬出!”这句话是叶挺将军在《囚歌》中所写,它说明叶挺具有()A.强烈的自信心 B.强烈的自尊心 C.尊重他人的美德 D.把牢底坐穿的决心2、在日常生活中,尊重他人最基本的表现是()①对人有偏见②尊重他人的劳动③对人有礼貌④尊重他人的人格A.①②③B.①②④C.①③④D.②③④3、“耻之一字,乃人生第一要事”。
下列语句能体现这一观点的是()A.不精不诚,不能动人B.羞耻之心,义之端也C.敬人者也,人恒敬之D.不以为耻,反以为荣4、人在工作、学习和日常生活中,经常会遇到一些复杂的社会现象,需要作出各种选择,为了保证选择的正确性,我们的做法是()A.明辨是非善恶,积极同丑恶现象作斗争,把握好自己生活的方向B.看别人是怎么选择的,别人怎么做,我就怎么做C.看对自己是否有利,只要能符合自己的利益即可D.听听朋友的意见,怎么讲义气就怎么做5、中学生小林从不浏览网络上的“三俗”(低俗、庸俗、媚俗)内容,还主动向学校举报违纪同学。
可见小林()①缺乏同学情谊②能抵制不良诱惑③懂得自尊自爱④能够明辨是非A.①②③ B.①③④ C.②③④ D.①②④6、右侧漫画给我们的启示是()A.要提高自我控制力,自觉抵制不良诱惑B.勇敢追求时髦,否则就会落伍C.走自己的路,让别人去说吧D.跟着电视学,永远不会错7、2011年,“最美”一词频繁进入公众视野。
“最美女孩”余书华毫不犹豫对溺水老人实施人工呼吸,“最美妈妈”吴菊萍奋不顾身抱接坠楼女童,“最美爷爷”占祖亿奋力相救落水男孩不幸遇难……他们之所以成为人们心中的“最美”,是因为他们的行为让我们感受到()A.强烈的自我表现意识 B.高度的社会责任感 C.不顾后果的冲动 D.严于律己的精神8、“人生自古谁无死,留取丹心照汗青”、“国家兴亡,匹夫有责”,这些说明了一个人应该对()A.自己负责B.他人负责C.集体负责D.社会负责9、在与人交往中,将心比心,设身处地为他人着想。
人教新目标八年级(上)Unit 2单元综合检测试题(总分值120分,考试时间100分钟)Name 第一节 单项选择(此题共10小题,每题1分,计10分) 从每题所给的A 、B 、C 、D 四个选项中选出可以填入空白处的最正确答案。
()1.11 -year-old girl has one-year-old younger brother.A. A, anB. An, aC. The, aD. The, an()2.Go along the road and walk the park.The zoo is behind the park.A. downB. onC. throughD. across()3.It is healthy to eat when you are hungry and to stop when you are.A. fullB. busyC. youngD. free()4. The answers the questions about watching TV is very interesting.A. toB. ofC. forD. at()5. junk food tastes very good,it isn't healthy.A. Although, butB. Although, /C. But, althoughD. But,/()6. My mother wants me milk.A. drinkB. drinkingC. to drinkD. drinks()7. Eating vegetables our health.A. are good forB. is good forC. are good atD. is good at()8. My father is very tired., he is still working.A. ButB. HoweverC. WhateverD. Wherever()9.一Do you think eating too much food good for us? 一I don't think so.We should do some exercise, I think.A. areB. isC. wasD. were()10.一Tina is more outgoing than Tara.—, but Tara is more popular than Tina.A.fm sorry to hear thatB.I don't think soC.Good idea GradeD.I think soAt the beginning of 2020, because of Novel corona-virus, we Chinese have a special Spring Festival. Nobody wants to get the disease, but how can we prevent NCP and protect ourselves. Here are some advice.First, we should try not to go outdoors, keep away from the crowd and avoid going to the places where are many people. Next, whenever we go out, we should wear masks. Because they can protect us from the disease. Then, we should often wash our hands. In this way, we will develop a good habit of life. Finally, if/when we feel uncomfortable or have a fever, we should go to see a doctor in time.All in all, if you follow these suggestions, I strongly believe (that) you can keep healthy.第二节 阅读理解(此题共15小题,每题2分,计30分)根据短文内容,从每题所给的A 、B 、C 、D 四个选项中选出最正确答案。
2022--2023学年八上(人教新目标)期末达标综合测试题Class__________Name __________ Number_________总分:100分一、单项选择(15分)( )1. Thank you so much, Mr. Li. We could hardly be successful________your help.A.fromB.aboutC.withoutD.through( )2. ---I’m going to add some tomato sauce to the salad if you don’t _______.---Not at all. Go ahead.A.c areB.agreeC.mindD.like( )3. Our English teacher is a good teacher. She always uses games to make learning_____.A.e njoyableB.difficultC.importantD.boring( )4. There are lots of flowers and trees on_______sides of the street.A.b othB.allC.eachD.every( )5. ---Mom, I want to keep a pet dog.---I can’t stand________a dog in our house.A.h aveB.hasC.to haveD.having( )6. Learning to write is learning to think. You don’t know things clearly ______you can write them down.A.unlessB.ifC.whenD.after( )7. Mrs. Brown asked me to have a second piece of cake but I ______it, for I was full.A.deletedB.refusedC.addedD.cooked( )8. Hello, Joe. I didn’t __________to see you today. I thought you were away on holiday.A.wantB.prepareC.expectD.agree( )9. ---Who is _______in your school, Mr. Zhang or Mr. Yang?---Mr. Yang.A.popularB.the most popularC.more popularD.much popular ( )10. You should cut_________an onion and a tomato first and then put them _______the blender.A.u p, intoB.down, intoC.up, awayD.down, in( )11.The story made all of us_______, and we wanted him _______one more.A.l augh, tellB.to laugh, to tellugh, to tellD.to laugh, tell( )12. ---His wallet is not the same_______mine.---Yes, it’s just similar_______yours.A.to, formB.from, withC.with, toD.as, to( )13. If you want to be thinner and healthier, you should eat _______junk food and take______exercise.A.fewer, moreB.less, moreC.less, fewerD.fewer, less( )14. There ________a class party next week, so students are_______it now.A.will be, prepare forB.will have, prepare forC.is going to be, preparing forD.is going to have, preparing for( )15. ---What about having a clean-up day in our house every month?---_______. It’s a good way to keep the home clean and tidy.A.W ell, don’t worryB.I disagree with youC.Oh, I can’t stand itD.That’s a good idea二、完形填空(10分)Do you know Tu You you? She is a famous Chinese___1____. She shared the Nobel Prize in Physiology or Medicine(诺贝尔生理学或医学奖)with two other foreign scientists. She is the first Chinese woman to ____2____the prize. She found artemisinin(青蒿素)with her ____3_____. She first tried the medicine on herself, _____4____she wanted to make sure that it was safe. “As the head of the group, I had the responsibility(),” the 85 -year-old scientist spoke to CCTV___5_____her work. Artemisinin is a ____6______for people around the world form the traditional Chinese medicine. It has____7_____many lives. Tu You you experts Chinese medicine to____8____more people all over the world.We can learn a lot from Tu You you. We should do ____9____useful for people. If we want to be successful, we should keep on working hard with our group and ___10____give up. ( )1.A. dentist B.scientist C.nurse D.doctor( )2.A.win B.beat C.lose D.plan( )3.A.family B.classmates C.group D.friends( )4.A.when B.because C.why D.how( )5.A.about B.for C.in D.at( )6.A.gift B.result C.ticket D.card( )7.A.accepted B.saved C.decided D.helped( )8. A.help B.hope C.meet D.wish( )9.A.nothing B.anything C.something D.everything ( )10.A.seldom B.never ually D.often三、阅读理解(20分)AHappy Children’s Palace(宫)( )1.You can go to Happy Children’s Palace to learn some skills(技能) except(除了) ______.A.MondayB.ThursdayC.WednesdayD.Sunday( )2.If you want to improve your English, you can learn from _____________.A.Miss Yang JingB.Pro. J. BrownC.Pro. Wang LanD.Pro. G. White( )3.If you are interested in Painting, Miss Yang Jing can teach you ____________.A.from 19:00 to 20:30 on MondayB.from 17:30 to 19:00 on TuesdayC.from 7:00 to 8:30 on Friday eveningD.from 18:00 to 19:00 on Wednesday( )4.If you don’t have enough time, you want to learn a skill in two months, you can learn _______.A.how to use the new softwareB.swimmingC.how to take photosD.painting( )5.Which of the following statements(陈述) is right? ___________.A.P ro.G. White gives a talk about English learning for students on Monday MorningB.I f you want to learn swimming, you should go there on Sunday afternoonC.Y ou can go to learn how to use Office 2000 from Pro. J. BrownD.P ro. J. Brown teaches children English from 3:00 to 4:30 on Saturday afternoonBDo you want to know what our life will be like in the future? Let's have a look. You may get a surprise.You won’t go to the kitchen when you are hungry. You will give orders to the kitchen robot(机器人). The robot will cook the food for you in a few minutes. Then it will bring it to you.In the kitchen you will find a special food machine. The food machine will tell you what your body needs. It will help you eat healthily. The food machine will be connected with the kitchen robot. The robot can get messages from the food machine.After having a meal, you can go to your home office. You will work at home and you don't need to go out to work any more.You will have a special information screen(屏幕). You can get any information on the screen. When you receive a message from a friend in America, your information screen will be turned on automatically(自动地). Your friend's face appears on the screen. Then you can talk to your friend easily.( )6.What is the second paragraph (段落) about?A.It's about healthy food.B.It's about the kitchen robot.C.It's about a nice kitchen.D.It's about a robot which can do homework.( )7..According to (根据) the passage, will tell you what your body needs.A.the kitchen robotB.the food machineC.the information screenD.the computer( )8.What does the underlined word “receive” mean?A.l oseB.sendC.getD.allow( )9. You can see your friend’s face_______.A.on the wallB.on the screenC.on the InternetD.on TV( )10.What's the best title for the passage?A.Our life in the futureB.A food machineC.A special information screenD.A kitchen robot四、任务型阅读(10分)阅读短文,根据短文内容,从方框内所给的选项中选出能填入空白处的最佳选项。
Units 1~3Ⅰ. 单项选择()1. There were ________ people in the street at midnight. So Jim drove very fast.A. fewB. littleC. a littleD. a few()2. Don't worry about me. I'm old enough to look after ________.A. himselfB. herselfC. yourselfD. myself()3. —Have you ever read Alice Munro's books?—Yes, and I think they are very ________. I want to read more.A. boringB. excitingC. boredD. excited()4. It was very cold. They decided ________ at home.A. stayB. to stayC. stayedD. staying()5. —________ do you have an Art Festival in your school?—Once a year.A. How longB. How muchC. How oftenD. How many times()6. The math problem is too difficult, so I can ________work it out.A. hardB. easilyC. hardlyD. carefully()7. ________ my father is very busy, he goes to visit my grandparents often.A. BecauseB. AlthoughC. ButD. However()8. Mum, this T-shirt is much too small for me. Would you buy me ________ one?A. a goodB. the betterC. a largerD. largerⅡ. 根据句意及首字母或汉语提示完成单词1. The funny story my father told me made me ________(笑).2. I recognized her at once ________(尽管) I hadn't seen her for ten years.3. Is it ________(必要的) for me to spend much time reading English?4. My grandpa thinks exercise is good for his h________.5. The weather in Harbin is so cold; I can h________ stand it.Ⅲ. 用方框中所给词的适当形式填空(有两项多余)much, diary, outgoing, building, wet, wait, never1. Paul is ________ than me! He can't stop talking.2. I have ________ milk than you. You can drink mine.3. Hurry up! We're ________ for you.4. Please be careful. Your shoes may get ________ in the rain.5. The World Trade Center was one of the world's tallest ________.Ⅳ. 句型转换1. Bill usually washes his clothes twice__a__week. (对画线部分提问)________ ________ does Bill ________ his clothes?2. My brother often watches__TV at night. (对画线部分提问)________________ your brother often ________ at night?3. Mike does his homework every day. (改为否定句)Mike ________ ________ his homework every day.4. The weather was hot__and__humid in Guangzhou. (对画线部分提问)________ ________ the weather in Guangzhou?5. My brother read English last night. (改为否定句)My brother ________ ________ English last night.Ⅴ. 根据汉语提示完成句子1. 我每天至少花费两个小时做作业。
2023年人教版八年级数学上册第十三章综合测试卷及答案一、单选题1.以下四大通讯运营商的企业图标中,是轴对称图形的是( )A .B .C .D .2.如图,已知AD 垂直平分线段BC ,25BAD Ð=°,那么C Ð的度数为()A .25°B .50°C .65°D .70°3.如图,DE ,DF 分别是线段AB ,BC 的垂直平分线,连接DA ,DC ,则( )A .∠A =∠CB .∠B =∠ADCC .DA =DCD .DE =DF4.如图,在ABC V 中,AB AC =,40A °Ð=,//CD AB ,则BCD Ð=( )A .40°B .50°C .60°D .70°5.如图,直线m n ∥,ABC V 是等边三角形,顶点B 在直线n 上,直线m 交AB 于点E ,交AC 于点F ,若1140Ð=°,则2Ð的度数是( )A .80°B .100°C .120°D .140°6.如图,在ABC V 中,AB AC =,30C Ð=°,AB AD ^,4AD cm =,则BC 的长为( ).A .8cmB .12cmC .15cmD .16cm7.如图,ABC V 中,若80BAC Ð=°,70ACB Ð=°,根据图中尺规作图的痕迹推断,以下结论错误的是( )A .40BAQ Ð=°B .12DE BD =C .AF AC =D .25EQF Ð=°8.在平面直角坐标系中,点A 的坐标为(-2,-3),点B 的坐标为(3,-3),下列说法不正确的是( )A .点A 在第三象限B .点B 在第二、四象限的角平分线上C .线段AB 平行于x 轴D .点A 与点B 关于y 轴对称9.如图,先将一张长方形纸片按图①的虚线对折,得到图②,然后将图②沿虚线折叠得到图③,再将图③沿虚线BC 剪下△ABC ,展开即可得到一个五角星.若想得到一个正五角星(如图④,正五角星的5个角都是36°),则在图③中应沿什么角度剪,即∠ABC 的度数为( )A .144°B .126°C .120°D .108°10.如图,在ABC V 中,点D 为BC 边上一点,给出如下关系:①AD 平分BAC Ð;②AD BC ^于D ;③D 为BC 中点.甲说:如果①②同时成立,可证明AB AC =;乙说:如果②③同时成立,可证明AB AC =;丙说:如果①③同时成立,可证明AB AC =.则正确的说法是( )A .甲、乙正确,丙错误B .甲正确,乙、丙错误C .乙正确,甲、丙错误D .甲、乙、丙都正确11.如图,在平面直角坐标系中,点O 为坐标原点,点A 的坐标为(﹣5,12),它关于y 轴的对称点为B ,则△ABO 的周长为( )A .24B .34C .35D .3612.如图是A ,B ,C 三岛的平面图,C 岛在A 岛的北偏东35度方向,B 岛在A 岛的北偏东80度方向,C 岛在B 岛的北偏西55度方向,则A ,B ,C 三岛组成一个( )A .等腰直角三角形B .等腰三角形C .直角三角形D .等边三角形13.如图,在ABC V 中,根据尺规作图痕迹,下列说法不一定正确的是( )A .AF BF=B .12AE AC =C .90DBF DFB Ð+Ð=°D .BAF EBCÐ=Ð14.如图,C 为线段AB 上一动点(不与点A 、B 重合),在AB 同侧分别作正三角形ACD 和正三角形BCE ,AE 与BD 交于点F ,AE 与CD 交于点G ,BD 与CE 交于点H ,连接GH .以下五个结论:①AE =BD ;②GH ∥AB ;③AD =DH ;④GE =HB ;⑤∠AFD =60°,一定成立的是( )A .①②③④B .①②④⑤C .①②③⑤D .①③④⑤15.已知,在△ABC 中,AB AC =,如图,(1)分别以B ,C 为圆心,BC 长为半径作弧,两弧交于点D ;(2)作射线AD ,连接BD ,CD .根据以上作图过程及所作图形,下列结论中错误的是( )A .BAD CADÐ=ÐB .△BCD 是等边三角形C .AD 垂直平分BC D .ABDC S AD BC=g 16.如图,在Rt △ABC 中,∠CBA =90°,∠CAB 的角平分线AP 和∠MCB 的平分线CF 相交于点D ,AD 交CB 于点P ,CF 交AB 的延长线于点F ,过点D 作DE ⊥CF 交CB 的延长线于点G ,交AB 的延长线于点E ,连接CE 并延长交FG 于点H ,则下列结论:①∠CDA =45°;②AF ﹣CG =CA ;③DE =DC ;④CF =2CD +EG ;其中正确的有( )A .②③B .②④C .①②③④D .①③④17.如图所示,在四边形ABCD 中,2AD =,90A D Ð=Ð=°,60B Ð=°,2BC CD =,在AD 上找一点P ,使PC PB +的值最小;则PC PB +的最小值为( )A .4B .3C .5D .618.如图,在直角坐标系xOy 中,点P 的坐标为(4,3),PQ ⊥x 轴于Q ,M ,N 分别为OQ ,OP 上的动点,则QN +MN 的最小值为( )A .7225B .245C .125D .9625二、填空题19.如图,一名滑雪运动员沿着倾斜角为30°的斜坡,从A 滑行至B ,已知100m AB =,则这名滑雪运动员的高度下降了_______米.20.如图,在ABC V 中,已知∠C =90°,AB 的垂直平分线交BC ,AB 于点D ,E ,∠CAB =50°,那么∠CAD =___________.21.如图,等边三角形ABC 的边长为4,AD 是BC 边上的中线,F 是AD 边上的动点,E 是边AC 的中点.当△ECF 的周长取得最小值时,∠EFC 的度数为_____________.22.如图,在ABC V 中,AB AC =,30C Ð=°,AB AD ^,3cm =AD ,则BC 为____________cm .23.如图,在四边形ABCD 中,AB =AC ,DB 平分∠ADC ,∠BCD =150°.则∠ABD 的度数为 ___°.三、解答题24.如图,在△ABC 中,AB AC =,120BAC Ð=°,点D 、E 在BC 上,AD ⊥AC ,AE ⊥AB .求证:AED V 为等边三角形.25.如图,点D 是等边三角形ABC 的边BC 上一点,以AD 为边作等边△ADE ,连接CE .(1)求证:ABD ACE △≌△;(2)若∠BAD =20°,求∠AEC 的度数.26.如图,在ABC V 和ADE V 中,AB AC =,AD AE =,90BAC DAE Ð=Ð=°.(1)当点D 在AC 上时,如图①,线段BD ,CE 有怎样的数量关系和位置关系?请证明你的猜想;(2)将图①中的ADE V 绕点A 顺时针旋转()090a a °<<°,如图②,线段BD ,CE 有怎样的数量关系和位置关系?请说明理由.(3)拓展应用:已知等边ABC V 和等边ADE V 如图③所示,求线段BD 的延长线和线段CE 所夹锐角的度数.27.如图所示,D 是ABC V 边BC 的中点,E 是AD 上一点,满足AE BD DC ==,FA FE =.求ADC Ð的度数.28.如图,已知∠ABC=∠ADC=90°,BC=CD,CA=CE.(1)求证:∠ACB=∠ACD;(2)过点E作ME∥AB,交AC的延长线于点M,过点M作MP⊥DC,交DC的延长线于点P.①连接PE,交AM于点N,证明AM垂直平分PE;②点O是直线AE上的动点,当MO+PO的值最小时,证明点O与点E重合。
人教新目标八年级上册Units 13综合测试卷—Once a year.A. How longB. How muchC. How oftenD. How many times()6. The math problem is too difficult, so I can ________ work it out.A. hardB. easilyC. hardlyD. carefully()7. ________ my father is very busy, he goes to visit my grandparents often.A. BecauseB. AlthoughC. ButD. However()8. Mum, this T-shirt is much too small for me. Would you buy me ________ one?A. a goodB. the betterC. a largerD. largerⅡ. 根据句意及首字母或汉语提示完成单词1. The funny story my father told me made me ________(笑).2. I recognized her at once ________(尽管) I hadn't seen her for ten years.3. Is it ________(必要的) for me to spendmuch time reading English?4. My grandpa thinks exercise is good for his h________.5. The weather in Harbin is so cold; I can h________ stand it.Ⅲ. 用方框中所给词的适当形式填空(有两项多余)much, diary, outgoing, building, wet, wait,never1. Paul is ________ than me! He can't stop talking.2. I have ________ milk than you. You can drink mine.3. Hurry up! We're ________ for you.4. Please be careful. Your shoes may get ________ in the rain.5. The World Trade Center was one of the world's tallest ________.Ⅳ. 句型转换1. Bill usually washes his clothes twice__a__week. (对画线部分提问)________ ________ does Bill ________ hisclothes?2. My brother often watches__TV at night. (对画线部分提问)________________ your brother often ________ at night?3. Mike does his homework every day. (改为否定句)Mike ________ ________ his homework every day.4. The weather was hot__and__humid in Guangzhou. (对画线部分提问)________ ________ the weather in Guangzhou?5. My brother read English last night. (改为否定句)My brother ________ ________ English last night.Ⅴ. 根据汉语提示完成句子1. 我每天至少花费两个小时做作业。
2012—2013学年度第一学期期末八年级英语试卷参考答案及评分标准说明:1.主观性试题如考生所答与本答案不符,但符合逻辑和语境,语法正确,赋分。
2.阅读理解C可简答,也可以用完整的句子回答,答语符合题意要求请赋分;补全对话B 及书面表达题,阅卷教师要根据题目要求,从逻辑上、语意上、语法上进行评分,对紧扣主题,并且适当发挥的,依据评分标准酌情赋分;若出现大小写错误,一次性扣0.5分,不重复扣分。
3.试卷总分逢0.5进1分。
Ⅰ.Listening(本题共20分,每小题1分)1-5 BCAAC 6-10 ACACB 11-15 BCBAB16. A doctor 17. Quiet and serious 18. By bike19. tennis training 20. the concert注意:16-20题黑体答案少一词扣0.5分。
Ⅱ.Multiple choice单项选择(本题共20分,每小题1分)21-25 BCABC 26-30 ABABC 31-35 ABABC 36-40 CBCCAⅢ.Cloze test(本题共15分,每小题1分)41-45 ACBAC 46-50 BBABC 51-55 CABCAⅣ.Communication情景交际(本题共15分,A题每小题1分,B题每小题2分)(A) 56-60 BEFDA(B) 61. What are you going to do (on Saturday)?62. Yes, I’d love to.63. What’s the matter?/What’s wrong?(注:少the 扣0.5分)64. I’m sorry to hear that./That’s too bad.65. Thanks for asking.Ⅴ.Reading comprehension(本题共35分, A、B、C每题2分,D每题0.5分)(A)66-70 A C C B B(B)71-75 F F F F T(C)76.He lives in Toronto./ Toronto.77. T here are four people in Mr. Smith’s family./Four.78. She’s an English teacher./ She teaches English in a middle school.79. No, it’s his younger sister.80. No, she can’t. (She’s too young to speak.)(D)81. morning 82. outside 83. 9:40 84. next 85. to86. football 87. match 88. teams 89. with 90. DentistⅥ.Writing (本题共15分,其中91题5分,92题10分)91. 评分标准第一档(5分)格式正确,书写规范,涵盖所有信息,无语法错误。
2012~2013学年度12月份五校联考八年级上数学试卷一、选择题:每小题3分,共30分1. 下列各点,不在直线21y x =-+上的是( )A. P (1,-1)B. Q (-1,3)C. M (0,1)D. N (-2,-3) 2. 一次函数3--=x y 与x 轴交点的坐标是( ).A. (0,-3)B. (-3,0)C.(0,3)D.(3,0)3. 过点Q (0,4)的一次函数的图象与正比例函数y kx =象的解析式是( ).A .24y x=+ B .24y x =-+ C .24y x =- D .24y x =--4. 一次函数b x a y +-=)1(的图象如图所示,则常数a 、b 应满足(A .a >1,b >0B .a <1,b >0C .a >0,b <0D .a <0,b <05. 一位记者乘汽车赴360km 外的农村采访,全程的前一部分为高速公路,后一部分为乡村 公路.若汽车在高速公路和乡村公路上分别以某一速度匀速行驶,汽车行驶的路程y (单 位:km )与时间x (单位:h )之间的关系如图所示,则下列结论正确的是( ) A. 汽车在高速公路上的行驶速度为100km/h B. 乡村公路总长为90kmC. 汽车在乡村公路上的行驶速度为60km/hD. 该记者在出发后4.5h 到达采访地6. 一次函数kx y =与k x y +=交点的横坐标是2,则交点坐标是( ).A. (4,2)B. (-4, 2)C. (2 ,4)D. (2,-4) 7. 当函数623+=x y 的值满足y <3时,自变量x 的取值范围是( ). A.x <-2 B.x <2 C.x >-2 D.x >2h8. 已知函数(3)2=-+y m x ,若函数值y 随x 的增大而减小,则m 的取值范围是( ) A. m >3 B. m <3 C. m ≥3 D. m ≤3 9. 方程2120x +=的解是直线122+=x y ( ).A. 与y 轴交点的横坐标B. 与y 轴交点的纵坐标C. 与x 轴交点的横坐标D. 与x 轴交点的纵坐标10. 已知函数y kx b =+的图象如图(1)所示,则函数2y kx b =+的图象是( )二、填空题:每小题3分,共30分11. 某练习本每个0.5元,买x 个练习本付费y 元,则y 与x 的函数关系式是__________. 12. 若一次函数的图象经过点A (1,0),则这个函数的解析式可以是__________(写出一个即可). 13. 将正比例函数6y x =-的图象向上平移,则平移后所得图象对应的函数解析式可以是(写出一个即可).14. 一个长方形的周长是50cm ,若设一边长为y cm ,另一边长为x cm ,则y 与x 的函数关系式是___________. 15. 已知132y x =-,当01x ≤≤时,y 的最小值是____________. 16. 一次函数4+=x y 中,当y ≤ 6,自变量x 的取值范围是____________.17. 直线1-=x y 与直线52+-=x y 的交点(2,1),则方程组⎩⎨⎧=+=-521y x y x 的解是_________.18. 平面直角坐标系中,将直线42+=x y 关于x 轴作轴对称变换,则变换后所得直线的解析式为____________________.19. 直线12y x =--与直线24y x =+的交于点(a ,b ),当x >a 时, 1y 与2y 的大小关系是:1y ________ 2y (填“<”或“>”). 20. 关于x 的一次函数)3(--=m mx y 的图象一定经过的定点是____________.图(1)A.B.D.C.三、解答题:每题8分,40分21. 一次函数b kx y +=经过点(1-,1)和点(2,7).(1)求这个一次函数的解析表达式. (2)将所得函数图象平移,使它经过点(2,1-),求平移后直线的解析式.22. 已知一次函数(1)2y k x =--.(1)若点A (1,2)在这个函数的图象上,求k 的值; (2)若函数值y 随x 的增大而减小,求k 的取值范围;(3)若3k =,试判断点B (3,4),C (2,4-)是否在这个函数的图象上,并说明理由.23. 如图,在边长为2的正方形ABCD 中,边BC 上一点P 从B 点运动到C 点,设BP=x ,梯形APCD 的面积为y .(1)写出y 与x 之间的函数关系式;(2)说明是否存在点P ,使梯形APCD 的面积为1.5?P24. 某产品每件成本10元,试销阶段每件产品的销售价x (元)与产品的日销售量y (件)之间关系如表所示,且日销售量y 是销售价x 的一次函数.(1)求日销售量y (件)与销售价x (元)的函数关系式; (2)当每件产品的销售价定为30元时,求每日的销售利润w .(销售利润=销售价-成本价).25. A 、B 两城相距600千米,甲、乙两车同时从A 城出发驶向B 城,甲车到达B 城后立即返 回,返回途中与乙车相遇.如图是它们离A 城的距离y (km )与行驶时间x (h)之间的 函数图象.(1)求甲车行驶过程中y 与x 之间的函数解析式,并写出自变量x 的取值范围; (2)当它们行驶7(h )时,两车相遇,求乙车速度.x (元)y (件) 15 20 25 252015--- ---2012—2013学年八年级数学12月月考答案一、选择题:每题3分,共30分1. D ;2. B ;3. B ;4. A ;5. C ;6. C ;7. A ;8. A ;9. C ; 10. B. 二、填空题:每题3分,共30分 11. x y 5.0=.12. 1y x =-(不唯一). 13. 61y x =-+(不唯一) . 14. 25+-=x y . 15. 3-. 16. x ≤2. 17. ⎩⎨⎧==12y x . 18. 24y x =--. 19. 1y <2y . 20. (1,3).三、解答题:每题8分,共40分 21.(1)23y x =+;(2)52-=x y (提示:因为平移,所以直线平行,所以设b x y +=2,把点(2,1-)代入,得5-=b .22. (1)5k =;(2)k <1;(3)点B (3,4)在,点C (2,4-)不在. 23.(1)4+-=x y ;(2) 2.5x =. 24.(1)40+-=x y ;(2)200元. 25. (1)①当0≤x ≤6时,x y 100=;②当6<x ≤14时, 105075+-=x y . ∴⎩⎨⎧≤<+-≤≤=).146(105075)60(100x x x x y(2)当7=x 时,5251050775=+⨯-=y , ∴757525==乙v (千米/小时).。
2022-2023学年人教版数学八年级上册 期末综合试题训练一、单选题1.下列语句:①全等三角形的周长相等.②面积相等的三角形是全等三角形.③若成轴对称的两个图形中的对称线段所在直线相交,则这个交点一定在对称轴上.其中正确的有( ) A .0个B .1个C .2个D .3个2.要使11x x -+ 分式有意义,则 x 的取值应满足( ) A .1x =-B .1x =C .1x ≠-D .1x ≠3.下列从左到右的变形正确的是( )A .22()()a b a b a b ---=-B .2211a a a a ---=-- C .226(23)(2)x x x x --=+-D .222469(23)m mn n m n -+=-4.一块三角形形状的玻璃破成如图所示的四块,如果用部分碎片配一块与原来形状相同的玻璃,可以使用的碎片编号为( )A .1,3B .3,4C .1,3,4D .25.下列运算正确的是( )A .246a a a +=B .()222a b a b -=- C .()3263a ba b =D .66a a a ÷=6.若x 满足 xx=1,则x 应为( )A .正数B .非正数C .负数D .非负数7.如图,在等腰直角三角形ABD 中,AD BD =,点F 是AD 上的一个动点,过点A 作AC BF ⊥,交BF 的延长线于点E ,交BD 的延长线于点C ,则下列说法错误的是( )A .CD DF =B .AC BF =C .AD BE =D .45CAD ABF ∠+∠=︒8.下列各式中,计算正确的是( )A .235x y xy +=B .623x x x ÷=C .339(2)6x x -=-D .325a a a ⋅=9.如图,点P 是∠AOB 内任意一点,且∠AOB =40°,点M 和点N 分别是射线OA 和射线OB 上的动点,当∠PMN 周长取最小值时,则∠MPN 的度数为( )A .140°B .100°C .50°D .40°10.∠ABC 中,∠BAC=60°,AD∠BC 于D ,且AD= 3 ,E 、F 、G 分别为边BC 、CA 、AB 上的点,则∠EFG 周长的最小值为( )A 3B .2 3C .3D .3 3二、填空题11.计算: ()()323xy x z -⋅-= .12.如上图,在∠ABC 中,∠A=90°,AB=AC ,BD 平分∠ABC ,CE∠BD 于E ,若BD=12,则CE为 .13.关于x 的方程312x ax +=- 的解是正数,则a 的取值范围是 . 14.如图,点A ,D ,B ,E 在同一条直线上,AD =BE ,AC =EF ,要使∠ABC∠∠EDF ,只需添加一个条件,这个条件可以是 .15.如图,已知AB=A 1B ,A 1B 1=A 1A 2,A 2B 2=A 2A 3,A 3B 3=A 3A 4,…若∠A=70°,则锐角∠A n 的度数为 .三、计算题16.下列各式分解因式:(1)225x -(2)22363ax axy ay -+17.(1)分解因式:321025x x x -+ (2)解方程:11222x x x-=--- 四、解答题18.如图,点E 、C 在线段BF 上,AC∠DF ,∠A =∠D ,AB =DE ,证明:BE =CF .19.先化简,再求值:221111xx x⎛⎫÷+⎪--⎝⎭,其中x为满足不等式11x->的最小整数.20.如图,∠ABC中,点D、E分别在AB、AC上,∠ABE∠∠ACD.(1)求证:∠BEC∠∠CDB;(2)若∠A=70°,BE∠AC,求∠BCD的度数.21.已知某项工程,乙工程队单独完成所需天数是甲工程队单独完成所需天数的两倍,若甲工程队单独做10天后,再由乙工程队单独做15天,恰好完成该工程的710,共需施工费用85万元,甲工程队每天的施工费用比乙工程队每天的施工费用多1万元.(1)单独完成此项工程,甲、乙两工程对各需要多少天?(2)甲、乙两工程队每天的施工费各为多少万元?(3)若要完成全部工程的施工费用不超过116万元,且乙工程队的施工天数大于10天,求甲工程队施工天数的取值范围?答案解析部分1.【答案】C 2.【答案】C 3.【答案】C 4.【答案】D 5.【答案】C 6.【答案】A 7.【答案】C 8.【答案】D 9.【答案】B 10.【答案】C11.【答案】5327x y z .12.【答案】613.【答案】a <-2且a≠-6 14.【答案】∠A=∠E 或BC=DF 15.【答案】1702n -︒16.【答案】(1)解:原式=(x+5)(x-5);(2)解:原式=3a (x 2-2xy+y 2)=3a (x-y )2.17.【答案】(1)解:原式=()21025x x x -+=()25x x -; (2)解:11222x x x-=---, 11222x x x -=----, ()1122x x -=---, 1124x x -=--+, 2141x x -+=-+-, 2x =,检验,将2x =代入2x -=2-2=0, ∴2x =是原方程的增根.18.【答案】证明:∵AC∠DF ,∴∠ACB=∠DFE , 在∠ACB 和∠DFE 中,ACB DFE A DAB DE ∠=∠⎧⎪∠=∠⎨⎪=⎩∴∠ACB∠∠DFE (AAS ), ∴BC=EF , ∴BE=CF .19.【答案】解: 221111x x x ⎛⎫÷+ ⎪--⎝⎭= ()()211111x x x x x +-÷-+-= ()()2111x x x x x -⋅-+=解不等式 11x -> ,得 x >2∵x 为满足不等式 11x -> 的最小整数 ∴x=3当x=3时,原式=331+ = 34. 20.【答案】(1)证明:∵∠ABE∠∠ACD ,∴AB=AC ,AD=AE ,BE=CD , ∴BD=CE ,在∠BEC 与∠CDB 中, BD=CE ,CD=BE ,BC=CB , ∴∠BEC∠∠CDB.(2)解:∵AB=AC ,∠A=70°, ∴∠ACB=∠ABC=55°, ∵BE∠AC ,∴∠BEC=∠AEB=90°, ∴∠ABE=∠ACD=20°, ∴∠BCD=35°21.【答案】解:(1)设甲工程队单独施工完成此项工程的天数为x 天,乙工程队单独施工完成此项工程的天数为2x 天,根据题意得:10x +152x =710, 解得:x=25,经检验:x=25是原方程的根, 则2x=25×2=50(天),答:甲、乙两工程队各需要25天和50天;(2)设甲工程队每天的施工费为a 万元,则乙工程队每天的施工费为(a ﹣1)万元, 根据题意得:10a+15(a ﹣1)=85, 解得:a=4, 则a ﹣1=3(万元),答:甲工程队每天的施工费为4万元,乙工程队每天的施工费为3万元; (3)设全部完成此项工程中,甲队施工了m 天,则甲完成了此项工程的25m ,乙队完成了此项工程的(1-25m),故乙队在全部完成此项工程中,施工时间为:125150m -=50﹣2m (天),根据题意得:()4350211650210m m m ⎧+-≤⎨->⎩,解得:17≤m <20.答:甲工程队施工天数m 的取值范围是:17≤m <20.。
2013~2014学年度第一学期八年级期末测试卷英语试题(120分)第一部分 听力(20分). 听句子,选择正确答语。
每个句子读一遍。
(5分) )1.A. Thank you. B. Bad luck. C. I’m afraid not. )2. A. Not at all. B. Yes, that’s right. C. Glad to hear that. )3.A. Why not? B. I’m feeling well. C. OK, Dr. Sun. )4.A. Sure, go ahead. B. Sorry, I don’t. C. Let me think. )5.A.Very much. B. Plants and animals. C. Plants. . 听句子,选择正确图片。
每个句子读一遍。
(5分) )6.)7. )8. )9. )10. . 听对话及问题,选择正确答案。
每组对话及问题读两遍。
(5分) )11. A. In the pond. B. In the river. C. In the sea. )12. A. Country music. B. Rock music. C. Pop music.)13. A. Learning English. B. Climbing mountains. C.Visiting a museum. ( )14. A. Yes, he did. B. No, he didn’t. C. No, never.( )15. A. Many. B. Few. C. Only a few.Ⅳ. 听短文,选择正确答案。
短文读两遍。
(5分) ( )16. What does Dave do?A. A doctor.B. A teacher.C. A student.( )17. What are the children doing?A. Playing football.B. Learning something about animals.C. Talking to the teacher.( )18. What’s Dave’s father?A. A worker.B. A writer.C. A policeman.( )19. Where is Dave’s house?A. Near the school.B. Next to the zoo.C. Across from the library.( )20. Does Dave like animals?A. Yes, he does.B. No, he doesn’t.C. Yes, he is.第二部分 基础知识运用(100分) Ⅰ.单项选择。
11-12学年新目标八上综合试题Class: Name: Marks:(满分100分)一. 单项选择。
(15分)选择可以填入空白处的最佳选项。
( ) 1. Mr Zhang was university student two years ago. Now he is engineer of a big company.A. a; anB. an; aC. an; theD. the; an( ) 2. —Who was Zhang Lili?—was the most beautiful teacher in China in 2012.A. HerB. SheC. HeD. Him( ) 3. The water became very salty and it was not good plants and animals.A. atB. withC. forD. in( ) 4. I exercise every day I want to keep fit.A. soB. orC. butD. because( ) 5. —How about Linda?—She write when she was only two years old.A. mustB. mightC. couldD. can( ) 6. —Why are you planning to go to the countryside for your vacation?—Because I love . It’s beautiful.A. cultureB. natureC. mountainD. yard( ) 7. —What’s your ?—I want to be a computer programmer when I grow up.A. dreamB. recipeC. prizeD. habit( ) 8. Lisa is , so she likes painting and can draw very well.A. lovelyB. creativeC. happyD. sad( ) 9. —Where are Linda and Susan going?—Sorry, I d on’t know. They haven’t decided .A. tooB. neverC. stillD. yet( )10. —What’s the matter?—Lily had a party last night, but I wasn’t .A. calledB. visitedC. saidD. invited( )11. 10, 000 is a large amount of money, but it’s than they need to buy a house.A. far lessB. very muchC. a littleD. very little( )12. —Which city is , Hangzhou or Suzhou?—Hangzhou, I think.A. interestingB. more interestingC. most interestingD. the most interesting( )13. The new park is a little far away from here. It will take you 20 minutes there by bus.A. getB. getsC. gettingD. to get( )14. —Are you free on Sunday evening?—No, I part in the speech contest.A. takeB. tookC. am takingD. was taking( )15. —did you water the flowers?—Twice a day.A. How oftenB. How longC. How manyD. How soon二. 完形填空(10分)阅读下列短文,选择可以填入空白处的最佳选项。
Antonio saw his old friend Casey at a restaurant. “Hey Casey! How are you?”“Okay,” Casey said, but Antonio could tell he was not really okay.“Wow, you look 16 !” Antonio said.“Yeah,” Casey said, “I do not get much17 these days.”“What’s up?” Antonio asked.“My house is right beside the skating park. The kids there are so loud. They drink, shout, fight, and 18 loud music all night long.”“Oh, wow, I am sorry!” Antonio said. “Talk to someone at City Hall about19 !”Casey smiled sadly, “They do not 20 . City Hall does not listen to people 21 me.”“That is not 22 ,” Antonio said. “City Hall is for all people. You have a right (权利) to be 23 . In fact, it is your responsibility (责任) to speak up! If no one speaks up, then 24 will change, right?”“I guess so,” Casey said. “I just feel so small.”“You are small,” Antonio said. “So25 I. But all of us together are not small. We need to speak up. I could help you get a petition (请愿书) together, if you like. We could then present a list of signatures (签名) to City Hall.”( )16. A. happy B. tired C. excited D. outgoing( )17. A. sleep B. attention C. food D. money( )18. A. write B. turn down C. play D. turn off( )19. A. him B. her C. you D. it( )20. A. enjoy B. care C. hope D. stop( )21. A. like B. with C. for D. as( )22. A. necessary B. true C. important D. easy( )23. A. checked B. called C. heard D. saved( )24. A. everything B. something C. anything D. nothing( )25. A. do B. did C. am D. have三. 阅读理解。
(30分)A根据材料内容,选择最佳选项。
(10分)( )26. When is the special event?A. July 31st.B. August 31st.C. October 31st.D. December 31st.( )27. What can the students do at the event?A. They can raise money for the best-dressed students.B. They can join the New Year’s party.C. They can visit the counter.D. They can wear costumes to school.( )28. The counter is in the .A. school officeB. music roomC. playgroundD. school library( )29. You can visit the counter at from October 16th to 30th, 2013.A. 8:00 amB. 10:00 amC. 4:00 pmD. 1:00 pm( )30. The students do NOT need to to join the event.A. donate 50 dollarsB. finish the application form before HalloweenC. wear their school uniformD. visit the counter in the playgroundBSchool ended and Erica quickly put her books into the schoolbag and ran out of the class.It was a special day. Erica was very excited. She ran towards home and thought about her uncle. She had spoken with him on the phone a week ago. He said he would return from Australia, and that he would bring a special surprise with him!Erica was very happy. She thought about the surprise that he would bring.“Maybe he will bring a surfboard (冲浪板)? That is fun! I can learn how to surf!”“Maybe he will bring Australian nuts? Oh, I can eat nuts all day! They are my favorite.”“Or maybe he will bring a kangaroo? That is not good. I don’t have a place in my room for a kangaroo …”Erica finally arrived home. Her parents were both at home, and her uncle was there, too! Next to her uncle, there was a beautiful tall woman that Erica didn’t know. But this didn’t bother her. Erica was very happy to see her uncle. They hugged and she jumped up and down.“Uncle, uncle,” she called, “what special surprise do you have for me from Australia?”“Well,” her uncle smiled and answered, “it’s here. I only have for you an Australian aunt!”根据短文内容,选择最佳选项。