福建省漳州三中、三中分校、厦大附中2014-2015学年仁爱版八年级上期中联考英语试题及答案
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漳州立人学校2014—2015学年度上学期期中考试 八年级英语试卷 第Ⅰ卷 考试时间:90分钟 满分:100分 命题人:黄巧霞 温馨提示:请把第Ⅰ卷的答案全部填到第Ⅱ卷相应的题号后面!! Ⅰ.听力测试(每小题1分,计20分) A. 句子理解:听句子,选出与所听内容相符的图片。
(每小题读两遍) A B C D E 1.__________ 2.__________ 3.___________ 4.___________ 5.___________ B. 对话理解:听对话,选择最佳答案回答问题。
(对话读两遍) 第一节:听6段短对话,每段对话后各有一个问题。
( ) 6. What is Jane going to do? A. She is going hiking. B. She is going skating. C. She is going cycling. ( ) 7. What ’s wrong with Betty? A. She has a toothache. B. She has a backache. C. She has a headache. ( ) 8. Which kind of animal does the woman prefer? A. Horses. B. Dogs. C. Cats. ( ) 9. When will they go rowing? A. At 7:15 next weekend. B. At 6:45 this weekend. C. At 7:15 this weekend. ( ) 10. What ’s the relation(关系)of the two speakers? A. Mother and son. B. Father and daughter. C. teacher and student. ( ) 11. How long can the woman keep the book? A. For three weeks. B. For two days. C. For two weeks. 第二节:听两段较长对话,每段对话后各有两个问题。
2013-14学年(上)漳州三中、三中分校、厦大附中期中联命题人:陈小珍审题人:邱艳清(考试时间:120分钟满分:100分)听力部分 20%I.听句子。
选择与句意相符的图。
每小题读一遍。
(每小题1分,共5分) ArrayⅡ. 听句子,选择正确答语。
每个句子读两遍。
(5分)( )6. A. I have a bad cold. B. I’ll be a dentist.C. I ’m sorry to hear that.( )7. A. For two days. B. No problem. C. You ’d better have a rest.( )8. A. That ’s all right. B. Great, really? C. I still have a headache.( )9. A. No, thanks. B. OK, here you are. C. Thank you.( )10. A. That ’s OK. B. Not too bad. C. I’m sorry to hear that. III.听对话,选择正确的答案。
每段对话读两遍。
(每小题1分,共10分)听第一段对话,完成第11小题。
( )11. Why should she say sorry to Lucy?A. Because she lost (丢失) the cup.B. Because she broke(打破) the cup.C. Because she borrowed the cup.听第二段对话,完成第12小题。
( )12. Which sport will Michael take part in?A. The 100-meter race.B. The long jump.C. The high jump.听第三段对话,完成第13小题。
( )13. What ’s wrong with Kangkang?A. He has a headache.B. He has a fever.C. He has a toothache. 听第四段对话,完成第14-15小题。
2014-15学年(上)漳州三中、三中分校、厦大附中期中联考八年级英语试卷(考试时间:120分钟 满分:100分)听力部分(20分)Ⅰ.听句子,根据句子内容和所提问题选择正确图片。
每个句子读一遍。
(5分) ( )1. What is Wang Ming going to do this weekend?( )2. When will the train leave?( )3 What is David doing now?( )4. What will they watch?( )5. What should we do often?Ⅱ.听对话,选择正确答案。
每段对话及问题读两遍。
(5分)( )6.A.Class Three. B. Class Two. C. Class One( )7.A.She has a bad cold. B. She has a backache.C. She has a headache.( )8.A.A box. B.A bag. C.A dustbin.( )9.A.Next Friday. B.Next Sunday. C.Next Monday.( )10.A.A pilot. B.A scientist. C.A nurse.Ⅳ.听短文,选择正确答案。
短文读两遍。
(5分)( )16.What happened to Robert?A. He had a fever.B. He had a stomachache.C. He had a toothache.( )17.What did Robert often eat?A. Candy.B. Hamburgers.C. Meat.( )18.What time was it when Robert felt terrible?A. 3:30 p.m.B. 3:30 a.m.C. 3:03 a.m.( )19.When does the doctor’s office open?A. At 9:30 a.m.B. At 8:30 a.m.C. At 9:00 a.m.( )20.Who gave Robert some medicine?A. Mr. Turner.B. Mrs. Turner.C. The doctor.笔试部分(80分)I.单项选择。
漳州三中八年级(上)英语期中考试卷Ⅰ、听力(每小题1分,共20分)听句子,选出与你所听到意思相近或相同的句子。
()1. A. We are riding bikes now.B. We are reading now.C. We are playing now.()2. A. Tom and Jim prefer playing table tennis.B. Tom and Jane prefer playing tennis.C. Tom and Jim enjoy playing tennis.()3. A. The boy has a toothache.B. The boy has a headache.C. The boy has a sore stomach.()4. A. Kangkang is ill at home.B. Kangkang is ill and he is in hospital now.C. Kangkang works in a hospital.()5. A. We should open the windows often.B. We should keep the air fresh often.C. We should open the windows often and keep the air fresh. 听句子,根据你所听到的句子选择恰当的应答语。
( ) 6. A. English B. Basketball C. Drawing( ) 7. A. Sunny and cloudy. B. I think so. C. It’s Monday ( ) 8. A. You had better go to see a teacher.B. You should go to see a dentist.C. You must stay at home.( ) 9. A. Yes, it is. B. It’s good. C. They’re bad.( ) 10. A. What’s it? B. I’ll be sorry to hear that. C. Sure, go ahead.听对话,选择正确的答案。
漳州立人学校2014-2015学年上学期八年级期中考语文试卷满分100分,考试时间120分钟,一、积累与运用20%(1)按课文原句或理解填空8分。
(以回答正确的8个空格计分)1、___________________,_________________ 。
挥手自兹去,萧萧斑马鸣。
《送友人*李白》2、自古逢秋悲寂寥,_________ ___ _。
《秋词*刘禹锡》3、故,,使老有所终,壮有所用……。
《大道之行也》4、濯清涟而不妖,_______ ____ ,_ __,香远益清,……《爱莲说》5、《望岳》中的颔联________________,__________________从近望角度写出了泰山的神奇秀丽,巍峨高大。
6、《春望》中,运用了反衬手法,拟人的修辞生动地将悲情寓于美景之中,使悲愈悲,甚为绝妙,乃被千古传诵,这句子是__________ ___ ,_________________ _。
(2)阅读下面新闻回答问题2%漳州新闻网讯(记者刘铭明通讯员胡锦山)10月23日,记者在市少体校看到,参加今年第十五届省运会志愿者服务的1200名志愿者开始分配接受培训,并将在十五届省运会比赛中开展志愿服务。
当天,来自省运会筹备办、市体育局、市旅游局等单位的授课老师先后上台,从本届省运会的总体情况、志愿服务过程中的注意事项、漳州风土人情、服务礼仪基本常识等方面进行辅导和介绍。
此次志愿者选拔中,各高校和学校学生参与的积极性高。
省运会筹备办相关人士介绍,闽南师范大学、漳州职业技术学院等高校,以及漳州一中、二中、立人学校、正兴学校等中学均有学生参加。
同时,经过各级团委层层选拔,参加本届省运会的志愿者各方面素质相对较高。
另外,为减少对学生学习的影响,部分安排在学校的比赛项目可由其本校学生志愿者进行志愿服务。
7、本则新闻的导语是:。
(3)、名著阅读5%8、下列各项中,对名著《水浒》相关内容表述不正确的一项是()2分A《水浒传》中有三大恶霸分别是开肉铺的镇关西、开酒铺的蒋门神、开药铺的西门庆。
福建省漳州三中2009-2010学年八年级上学期期中考试英语试题听力部分(20分)Ⅰ.听句子,选择正确的图片(其中有一幅图片是多余的)。
句子读一遍。
(5分)A B C D E F1. 2. 3. 4. 5.Ⅱ.听对话,选择正确答案。
对话读两遍。
(5分)听第一段对话,回答6 – 7 小题。
( ) 6. Where are Jack and his mother talking?A. At home.B. At school.C. In a restaurant.( ) 7. What would Jack like to eat?A. Some chicken.B. A cake.C. Some fish.听第二段对话,回答8 – 10小题。
( ) 8. What are the people talking about?A. Ann’s school.B. Ann’s illness.C. The food for breakfast.( ) 9. Where are they talking?A.At Ann’s home.B. At Ann’s school.C. At the doctor’s( )10. What’s wrong with Ann?A.She has a cold.B. She has a toothache.C. She had a stomachache.Ⅲ.听对话,完成表格。
对话读两遍。
(5分)Ⅳ.听短文,选择正确答案。
短文读两遍。
(5分)[来源:]( )16. What does the boy do when he’s tired?A. Lie down.B. Go out for a walk.C. Never work. Listen to music or watch TV for a rest.( )17. Does the boy have a healthy eating habit?A. Yes, he does.B. No, he doesn’t.C. We don’t know.( )18. How often does the boy exercise?A. Sometimes.B. Every day.C. Never.( )19. What sport does the boy like best?A. Baseball.B. V olleyball.C. Basketball.( )20. What help the boy study better?A.Having a good rest when he is tired.B.Having a he althy eating habit and enough exercise.C.Doing exercise and listening to music.笔试部分(80分)Ⅰ. 词汇。
2015-2016学年(上)厦大附中、漳州三中、三中分校八年级英语期中联考试卷(考试时间:120分钟满分:100分)温馨提醒:请同学们把答案写在答题卡上,考试结束只交答题卡.一听力部分(20分)I.听句子,选择正确图片。
句子读一遍。
(5分)A B C D E1.______2.______3.______4.______5.______Ⅱ.听对话,选择正确答案。
对话读两遍。
(5分)听第一段对话,回答第6-7小题。
( )6. Where are Jack and his mother talking?A . At home B. At school. C. In a shop.( )7. What would Jack like to eat?A. Some chicken.B. A cake.C. Some fish.听第二段对话,回答第8-10小题。
( )8. Who can’t take part in the football game?A. Jim .B. Ben.C. David.( )9. What is Ben good at?A. Playing football.B. Playing basketball.C. We don’t know.( )10. When will they practice football?A. 4:10.B. 4:20.C. 4:30.Ⅲ.听对话,选择正确答案。
短文读两遍。
(5分)( )11. Who is calling?A. Dr. LiB. Nancy GreenC. Sally( )12. Where is the man?A. In Dr. Li’s officeB. Dr. Li’s homeC. At his own home( )13. Dr. Li can’t answer the telephone because he ______.A. is talking with othersB. isn’t inC. is very angry( )14. Why does the woman call?A. She wants to see Dr. Li.B. She wants to know about her daughter’s illness.C. She wants to talk with Dr. Li.( )15. When will the woman call again?A. At 4:30.B. At 3:40C. At 4:03Ⅳ.听短文,选择正确答案。
漳州三中2011-2012学年上学期八年级英语期中考试卷总分:100分考试时间:90分钟第一部分:听力(共20分)Ⅰ.听句子,选择正确图片。
每个句子读一遍。
(5分)A. B. C. D. E.1._______2._______3._______4._______5._______Ⅱ.听句子,选择正确答语。
每个句子读一遍。
(5分)( )6.A.I’m sorry to hear that. B.Don’t worry.C.That’s a good idea.( )7.A.I’m afraid he is busy now. B.OK, here you are.C.He is glad to do it.( )8.A.Chinese food. B.Basketball, of course. C.P.E.( )9.A.I’m OK. B.I can’t fall asleep. C.I must go to see the doctor.( )10.A.That’s all right. B.Very good. C.Not at all. Ⅲ.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.Go to the park. B.Go to school. C.Finish her homework.( )12.A.A worker. B.A farmer. C.A doctor.( )13.A.Because he was ill. B.Because he got up early.C.Because he went to bed too late.( )14.A.It will be rainy. B.It will get better.C.The bad weather will last for a long time.( )15.A.He met Michael. B.Tom didn’t go to watch the football game.C.Michael didn’t go to watch the footba ll game.Ⅳ.听短文,判断正(T)误(F)。
赠送初中数学几何模型【模型三】双垂型:图形特征:60°运用举例:1.在Rt△ABC中,∠ACB=90°,以斜边AB为底边向外作等腰三角形PAB,连接PC. (1)如图,当∠APB=90°时,若AC=5,PC=62,求BC的长;(2)当∠APB=90°时,若AB=45APBC的面积是36,求△ACB的周长.P 2.已知:如图,B、C、E三点在一条直线上,AB=AD,BC=CD.(1)若∠B=90°,AB=6,BC=23,求∠A的值;(2)若∠BAD+∠BCD=180°,cos∠DCE=35,求ABBC的值.3.如图,在四边形ABCD中,AB=AD,∠DAB=∠BCD=90°,(1)若AB=3,BC+CD=5,求四边形ABCD的面积(2)若p= BC+CD,四边形ABCD的面积为S,试探究S与p之间的关系。
DBC2014-2015学年福建省漳州市立人学校八年级(上)期中数学试卷一、选择题(共12小题,每小题2分,满分24分)1.(2分)以下列长度为三边,不能构成直角三角形的是()A.6、8、10 B.7、12、13 C.1、1、D.2、、32.(2分)下列是有理数的是()A.0B.C.πD.1.010010001…(每两个1之间的0的个数依次多1)3.(2分)下列是最简二次根式的是()A.B.C. D.4.(2分)下列计算正确的是()A.=﹣=4﹣3=1 B.+=C.×=D.=25.(2分)结果精确到1,应约等于()A.13 B.14 C.13或14 D.不能确定6.(2分)点P(2,﹣3)关于x轴对称点的坐标为()A.(2,3) B.(﹣2,3)C.(﹣2,﹣3)D.(﹣3,2)7.(2分)9的平方根是()A.3 B.﹣3 C.±3 D.818.(2分)能与数轴上的点一一对应的是()A.整数B.有理数C.无理数D.实数9.(2分)将直线y=﹣3x+1向下平移2个单位得到直线l,则直线l的解析式为()A.y=﹣3x+2 B.y=﹣3x﹣2 C.y=﹣3x﹣1 D.y=﹣3x+310.(2分)甲、乙两个车间工人人数不相等,若甲车间调10人到乙车间,则两车间人数相等;若乙车间调10人到甲车间,则甲车间的人数就是乙车间人数的2倍,求原来甲、乙两车间各有多少名工人?设原来甲车间有x名工人,乙车间有y名工人,列以下方程组正确的是()A. B.C.D.11.(2分)如图所示的正方形网格中,点A的坐标为(2,1),点B的坐标为(2,﹣1),则点P的坐标为()A.(1,2) B.(﹣1,2)C.(﹣2,2 )D.(﹣3,2 )12.(2分)一次函数y=kx+b的图象如图所示,则k、b满足的条件为()A.k<0,b>0 B.k<0,b<0 C.k>0,b<0 D.k>0,b>0二、填空题(共6小题,每小题3分,满分18分)13.(3分)直角三角形的两直角边分别为5cm和12cm,则斜边上的高为cm.14.(3分)二元一次方程3x+5y=17的正整数解是.15.(3分)﹣125的立方根是.16.(3分)如图,△ABC中,∠ACB=90°,以AB、BC为边长所作的正方形面积分别为400、256,则以AC为边长所作的正方形面积等于.17.(3分)如图,长方体的长为6,宽、高均为4,一只蚂蚁从A处沿长方体表面爬到B处的最短路程等于.18.(3分)如图,△ABC中,∠C=90°,AC﹣BC=2,△ABC的面积为7,则AB=.三、解答题(共7小题,满分58分)19.(8分)计算:(1)(﹣2)(+2);(2)﹣+3.20.(8分)解方程组:(1);(2).21.(10分)如图,△ABC的顶点坐标分别是A(2,2)、B(3,5)、C(6,1)(1)作△A′B′C′,使△ABC与△A′B′C′关于x轴对称;(2)AB长度是,(填“有理数”或“无理数”)BC=;(3)△ABC直角三角形;(填“是”或“不是”)(4)△ABC的面积=.22.(6分)下表中y是x的正比例函数,求出函数的表达式,并补全下表.23.(8分)已知:四边形ABCD中,AC⊥BC,AB=17,BC=8,CD=12,DA=9.(1)求AC的长;(2)求四边形ABCD的面积.24.(10分)一农民带上若干千克自产的土豆进城出售,为了方便,他带了一些零钱备用,按市场价售出一些后,又降价出售,他手中持有的钱数(含备用零钱)y与售出的土豆千克数x的关系如图所示,结合图象回答下列问题.(1)农民自带的零钱是元;(2)求降价前y与x之间的函数关系式;(3)由表达式可求降价前土豆的价格是元∕千克;(4)降价后他按每千克0.6元将剩余土豆售完,这时他手中的钱(含备用零钱)是54元,求他一共带的土豆千克数m.25.(8分)如图1,直线l:y=﹣2x+8分别与x轴、y轴交于A、B两点,点C线段AB上,作CD⊥x轴于D,CD=2OD,点E线段OB上,且AE=BE;(1)填空:点C的坐标为(,);点E的坐标为(,);(2)直线m过点E,且将△AOB分成面积比为1:2的两部分,求直线m的表达式;(3)点P在x轴上运动,①当PC+PE取最小值时,求点P的坐标及PC+PE的最小值;②当PC﹣PE取最大值时,求点P的坐标及PC﹣PE的最大值.2014-2015学年福建省漳州市立人学校八年级(上)期中数学试卷参考答案与试题解析一、选择题(共12小题,每小题2分,满分24分)1.(2分)以下列长度为三边,不能构成直角三角形的是()A.6、8、10 B.7、12、13 C.1、1、D.2、、3【解答】解:A、∵62+82=100=102,∴此三角形是直角三角形,故此选项错误;B、∵72+122≠132,∴此三角形不是直角三角形,故此选项正确;C、∵12+12=2=()2,∴此三角形是直角三角形,故此选项错误;D、∵22+()2=9=32,∴此三角形是直角三角形,故此选项错误.故选:B.2.(2分)下列是有理数的是()A.0B.C.πD.1.010010001…(每两个1之间的0的个数依次多1)【解答】解:∵、π、1.010010001…(每两个1之间的0的个数依次多1)都是无理数,∴有理数只有0;故选:A.3.(2分)下列是最简二次根式的是()A.B.C. D.【解答】解:A、被开方数含分母,故A不是最简二次根式;B、被开方数含分母,故B不是最简二次根式;C、被开方数含能开得尽得因数,故C不是最简二次根式;D、被开方数不含分母,被开方数不含能开得尽方的因数或因式,故D是最简二次根式;故选:D.4.(2分)下列计算正确的是()A.=﹣=4﹣3=1 B.+=C.×=D.=2【解答】解:A、=,故本选项错误;B、与不是同类项,不能合并,故本选项错误;C、×==,故本选项正确;D、=2,故本选项错误.故选:C.5.(2分)结果精确到1,应约等于()A.13 B.14 C.13或14 D.不能确定【解答】解:∵132=169,142=196,169<185<196,∴≈14,故选:B.6.(2分)点P(2,﹣3)关于x轴对称点的坐标为()A.(2,3) B.(﹣2,3)C.(﹣2,﹣3)D.(﹣3,2)【解答】解:点P(2,﹣3)关于x轴对称点的坐标为(2,3),故选A.7.(2分)9的平方根是()A.3 B.﹣3 C.±3 D.81【解答】解:∵(±3)2=9,∴9的平方根是±3.故选:C.8.(2分)能与数轴上的点一一对应的是()A.整数B.有理数C.无理数D.实数【解答】解:根据实数与数轴上的点是一一对应关系.故选:D.9.(2分)将直线y=﹣3x+1向下平移2个单位得到直线l,则直线l的解析式为()A.y=﹣3x+2 B.y=﹣3x﹣2 C.y=﹣3x﹣1 D.y=﹣3x+3【解答】解:将直线y=﹣3x+1向下平移2个单位得到直线l,则直线l的解析式为y=﹣3x+1﹣2,即y=﹣3x﹣1,故选:C.10.(2分)甲、乙两个车间工人人数不相等,若甲车间调10人到乙车间,则两车间人数相等;若乙车间调10人到甲车间,则甲车间的人数就是乙车间人数的2倍,求原来甲、乙两车间各有多少名工人?设原来甲车间有x名工人,乙车间有y名工人,列以下方程组正确的是()A. B.C.D.【解答】解:设原来甲车间有x名工人,乙车间有y名工人,由题意得:,故选:C.11.(2分)如图所示的正方形网格中,点A的坐标为(2,1),点B的坐标为(2,﹣1),则点P的坐标为()A.(1,2) B.(﹣1,2)C.(﹣2,2 )D.(﹣3,2 )【解答】解:如图所示,点P的坐标为(﹣1,2).故选:B.12.(2分)一次函数y=kx+b的图象如图所示,则k、b满足的条件为()A.k<0,b>0 B.k<0,b<0 C.k>0,b<0 D.k>0,b>0【解答】解:∵根据图示知,一次函数y=kx+b的图象经过第一、三、四象限,∴k>0;又∵一次函数y=kx+b的图象与y轴交于负半轴,∴b<0;综上所述,k>0,b<0;故选:C.二、填空题(共6小题,每小题3分,满分18分)13.(3分)直角三角形的两直角边分别为5cm和12cm,则斜边上的高为cm.【解答】解:∵直角三角形的两条直角边分别为5cm,12cm,∴斜边为:=13cm,设斜边上的高为h,则直角三角形的面积为×5×12=×13•h,∴h=cm,故答案为:.14.(3分)二元一次方程3x+5y=17的正整数解是.【解答】解:方程3x+5y=17,解得:x=,当y=1时,x=4,则方程的正整数解为,故答案为:15.(3分)﹣125的立方根是﹣5.【解答】解:∵﹣5的立方等于﹣125,∴﹣125的立方根是﹣5.故答案为﹣5.16.(3分)如图,△ABC中,∠ACB=90°,以AB、BC为边长所作的正方形面积分别为400、256,则以AC为边长所作的正方形面积等于144.【解答】解:设以AC为边长所作的正方形面积为S,由勾股定理得,S+256=400,解得S=144,所以,以AC为边长所作的正方形面积为144.故答案为:144.17.(3分)如图,长方体的长为6,宽、高均为4,一只蚂蚁从A处沿长方体表面爬到B处的最短路程等于10.【解答】解:如图1所示,AB==10;如图2所示,AB==2.∵10<2,∴蚂蚁从A处沿长方体表面爬到B处的最短路程等于10.故答案为:10.18.(3分)如图,△ABC中,∠C=90°,AC﹣BC=2,△ABC的面积为7,则AB= 6.【解答】解:∵AC﹣BC=2,∴(AC﹣BC)2=8①.∵S△ABC=AC•BC=7,∴AC•BC=14②,把②代入①得,AC2+BC2=36,∴AB==6.故答案为:6.三、解答题(共7小题,满分58分)19.(8分)计算:(1)(﹣2)(+2);(2)﹣+3.【解答】解:(1)(﹣2)(+2)=5﹣4=1;(2)﹣+3=﹣+6=.20.(8分)解方程组:(1);(2).【解答】解:(1),①代入②得:x﹣4=3x,解得:x=﹣2,把x=﹣2代入①得:y=﹣6,则方程组的解为;(2),①×2+②得:11a=44,即a=4,把a=4代入①得:b=3,则方程组的解为.21.(10分)如图,△ABC的顶点坐标分别是A(2,2)、B(3,5)、C(6,1)(1)作△A′B′C′,使△ABC与△A′B′C′关于x轴对称;(2)AB长度是无理数,(填“有理数”或“无理数”)BC=;(3)△ABC不是直角三角形;(填“是”或“不是”)(4)△ABC的面积=.【解答】解:(1)如图所示;(2)AB==,BC==,故答案为:无理数,;(3)∵AB2=12+32=10,BC2=12+42=17,AC2=32+42=25,10+17≠25,∴△ABC不是直角三角形.故答案为:不是;=4×4﹣×1×3﹣×1×4﹣×3×4=.(4)S△ABC故答案为:.22.(6分)下表中y是x的正比例函数,求出函数的表达式,并补全下表.【解答】解:设y与x的函数关系式为y=kx,把x=2,y=﹣1代入y=kx得k=﹣,所以y=﹣x.把x=1代入y=﹣x得y=﹣0.5,把y=﹣4代入y=﹣x得x=8,故答案为:﹣0.5,8.23.(8分)已知:四边形ABCD中,AC⊥BC,AB=17,BC=8,CD=12,DA=9.(1)求AC的长;(2)求四边形ABCD的面积.【解答】解:(1)∵∠ACB=90°,∴AC2=AB2﹣BC2=172﹣82=225,∴AC=15;(2)∵AD2+CD2=92+122=225=AC2,∴∠D=90°,∴S=S△ABC+S△ACD=8×15÷2+12×9÷2=114.四边形ABCD24.(10分)一农民带上若干千克自产的土豆进城出售,为了方便,他带了一些零钱备用,按市场价售出一些后,又降价出售,他手中持有的钱数(含备用零钱)y与售出的土豆千克数x的关系如图所示,结合图象回答下列问题.(1)农民自带的零钱是10元;(2)求降价前y与x之间的函数关系式;(3)由表达式可求降价前土豆的价格是0.8元∕千克;(4)降价后他按每千克0.6元将剩余土豆售完,这时他手中的钱(含备用零钱)是54元,求他一共带的土豆千克数m.【解答】解:(1)由题意,得农民自带的零钱是10元.故答案为:10;(2)设降价前y与x关系式为y=kx+b,由题意,得,解得:,∴y=0.8x+10;(3)由题意,得(42﹣10)÷40=0.8元/千克.故答案为:0.8(4)由题意,得降价后卖出的数量为:(54﹣42)÷0.6=20千克.故他一共带的土豆千克数为:40+20=60千克.答:他一共带的土豆千克数为60千克.25.(8分)如图1,直线l:y=﹣2x+8分别与x轴、y轴交于A、B两点,点C线段AB上,作CD⊥x轴于D,CD=2OD,点E线段OB上,且AE=BE;(1)填空:点C的坐标为(2,4);点E的坐标为(0,3);(2)直线m过点E,且将△AOB分成面积比为1:2的两部分,求直线m的表达式;(3)点P在x轴上运动,①当PC+PE取最小值时,求点P的坐标及PC+PE的最小值;②当PC﹣PE取最大值时,求点P的坐标及PC﹣PE的最大值.【解答】解:(1)由CD⊥x轴于D,CD=2OD,设点C(a,2a)得2a=﹣2a+8,解得a=2,所以点C(2,4 );令y=0,得0=﹣2x+8,解得x=4,点A(4,0),令x=0,得y=8,所以点B(0,8),∵点E线段OB上,且AE=BE;∴设E(m,0),得(8﹣m)2=m2+16,解得m=3,∴E(0,3).故答案为:2,4,0,3;(2)设直线m的表达式为y=kx+3,①如图1:=S△AOB时,,当S△BEF得FH=,x=代入y=﹣2x+8得y=,将点F(,)代入y=kx+3得k=,所以直线m的表达式为y=;②如图2:当S时,,得ON=,将点N(,0)代入y=kx+3得k=﹣,所以直线m的表达式为y=﹣;(3)①如图2:E关于X轴的对称点E′坐标为(0,﹣3),设直线CE′的表达式为y=nx﹣3代入C(2,4)得n=35,所以y=35x﹣3,将y=0代入y=35x﹣3得x=,所以P的坐标为(,0),作E′G⊥CD于G,则E′G=OD=2,CG=7,所以PC+PE的最小值=CE′==;②如图2:设直线CE的表达式为y=dx+3,与x轴相交为p,代入C(2,4),得4=2d+3,d=,所以y=,当y=0时,x=﹣6;点P坐标为(﹣6,0),作CR⊥y轴于R,则CR=OD=2,ER=1,所以PC﹣PE的最大值=CE==.。
漳州八中2014-2015八年级(上)英语期中考试卷听力部分(20分)Ⅰ.听句子,选择正确图片。
每个句子读两遍。
(5分)( )1.( )2.( )3.( )4.( )5.Ⅱ.听句子,选择正确答语。
每个句子读两遍。
(5分)( )6. A. No, thanks. B. Yes, here you are. C. Sure, go ahead.( )7. A. Yes, I will. B. I don’t think so. C. No, thank you all the same. ( )8. A. You’d better get up early.B. You’d better not work late into the night.C. You should drink some tea.( )9. A. Every day. B. No more than 2 hours. C. Twice a day.( )10. A. Every day. B. In the morning. C. Two weeks.Ⅲ. 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. By bus. B. By bike. C. On foot.( )12. A. Because he had a cold. B. Because he had the flu.C. Because he ate too much yesterday.( )13. A. Every day. B. Twice a day. C. Three times a week.( )14. A. She does the housework. B. She does her homework.C. She watches soccer games.( )15. A. In a shop. B. At home. C. In a hospital.Ⅳ. 听对话,选择正确答案。
2014-15学年(上)漳州三中、三中分校、厦大附中期中联考八年级英语试卷(考试时间:120分钟 满分:100分)听力部分(20分)Ⅰ.听句子,根据句子内容和所提问题选择正确图片。
每个句子读一遍。
(5分)( )1. What is Wang Ming going to do this weekend?( )2. When will the train leave?( )3 What is David doing now?( )4. What will they watch?( )5. What should we do often?Ⅱ.听对话,选择正确答案。
每段对话及问题读两遍。
(5分)( )6.A.Class Three. B. Class Two. C. Class One( )7.A.She has a bad cold. B. She has a backache.C. She has a headache.( )8.A.A box. B.A bag. C.A dustbin.( )9.A.Next Friday. B.Next Sunday. C.Next Monday.( )10.A.A pilot. B.A scientist. C.A nurse.Ⅳ.听短文,选择正确答案。
短文读两遍。
(5分)( )16.What happened to Robert?A. He had a fever.B. He had a stomachache.C. He had a toothache.( )17.What did Robert often eat?A. Candy.B. Hamburgers.C. Meat.( )18.What time was it when Robert felt terrible?A. 3:30 p.m.B. 3:30 a.m.C. 3:03 a.m.( )19.When does the doctor’s office open?A. At 9:30 a.m.B. At 8:30 a.m.C. At 9:00 a.m.( )20.Who gave Robert some medicine?A. Mr. Turner.B. Mrs. Turner.C. The doctor.笔试部分(80分)I.单项选择。
(10分)( )21. It’s hot here. Please keep the windows __________.A. open B opened C. opening( )22. —There ________ a football game this evening.—Good news.A. are going to beB. is going to haveC. is going to be( )23. You had better ask your brother _______ playing computer games so long.It’s bad for hi s eyes.A. to give upB.not to give upC.to give it up( )24.Swimming is a good way ______________.A. to keep healthyB. for healthyC. keeping healthy( )25. I have some problems with my body. Can you give me some __________?A. adviceB. suggestionC. idea( )26._________ too much candy makes her teeth weak.A. EatingB. EatC. To eat( )27. —Would you mind _______ us English?—Not at all.A. teachB. teachingC. to teach( )28. —May I ask you some questions?—____________.A No, you can’t. B. Not at all. C. Sure, go ahead. ( )29.The fans were very _________, because they saw an __________ movie.A. exciting, excitedB. excited, excitingC. excited, boring( )30.I’d like some __________ and a kilo of __________.A. sandwich, sausageB. chocolate, tomatoC. beef, potatoesII. 完型填空。
(10分)Everyone in our school loves sports. Every morning after we 31 , we do morning exercises. After 32 second class we do exercise again. We only have 33 classes twice a week, but we have sports at five every afternoon. The most popular sport is basketball. The 34 enjoy playing it and many of the girls like it, too. 35 popular sport is football and in every class there 36 a lot of football fans. We often play 37 when the weather is fine. We have school teams of basketball, football and volleyball. Our teams often 38 friendship games with teams from other schools. When there is a game, many of us go to watch it and cheer our side 39 .Besides ball games, some of us like track and field events, and we often 40 running, jumping and throwing. Every term( 学期) we have tests in these events and once a year we hold a sports meeting.( )31. A. go to school B. get up C. go to bed ( )32. A.a B. the C. an( )33. A.English B.Chinese C.P.E.( )34.A.people B.students C.boys( )35.A.Another B.Other C.The other( )36.A.are B.is C.was( )37.A.basketball B.volleyball C.football( )38A.see B.look at C.watch( )39.A.on B. in C.at( )40.A.study B.watch C.practiceIII. 阅读理解。
(10分)(A)41-45是5段电视节目内容的解说词,A-H是与其相对应的节目名称(其中有三项是多余的),请为每个电视节目选择最合适的名称。
( )41. When you need help with your homework, go to the library. You may find magazines, newspapers, and big dictionaries. They can always help you. ( )42. For families with children, an important problem is getting the children away from the television to do their homework.( )43. Even if you could buy the world, you couldn’t buy a happy family, goodfriends, or knowledge.( )44. The Lost World is an exciting American film. People, especially school students, may like it.(B)During the day we work and play,and at night we sleep. Our body rests when we sleep. In the morning we are ready to work and play again. Our body grows most when we are asleep. Children who are tired usually need sleep. We can get better at our lessons after having plenty of rest. Boys and girls who are eight or nine years old need ten hours of sleep every night. Our body needs plenty of air when we are asleep. If we do not get enough fresh air, we will feel tired when we wake up. While in bed we must not cover(覆盖) our head,our lungs need to get enough fresh air. If we open our windows at night,we can have plenty of fresh air. Cool air is better than warm air.( )46.Our body grows most while we are _______.A.eatingB.playingC.sleeping( )47.Too little sleep makes us _______.A.tiredB.hungryC.happy( )48.—What may cause us to feel tired in the morning?—_______ during the sleep.A.Too much airB.Not enough fresh airC.Too much cold air( )49.How many hours of sleep should 9-year-old children have every night?A.8 hours.B.9 hours.C.10 hours.( )50.What do the lungs need most?A.Fresh air.B. Exercise.C.Warm air.2014-15学年(上)漳州三中、三中分校、厦大附中 期中联考八年级英语试卷答题卷 听力部分: Ⅲ.听短文,完成下面的表格(每空一词)。