2013-2014实验中学七年级下期中考试试卷
浙江省嘉兴市实验中学20132014学年七年级科学下学期期中检测试题
嘉兴市实验中学2013-2014学年第二学期期中检测七年级科学试卷一、选择题（2分×20=40分）1．下列超市买到的食品中，属于果实的是………………………………………..( )A、核桃B、花生仁C、梨D、南瓜籽2．我们吃的大米、面粉、大豆和花生的营养物质依次是植物种子的………………………………………………………………………………….( )A、胚乳、胚乳、子叶、子叶B、胚乳、子叶、子叶、胚乳C、胚乳、子叶、子叶、子叶D、子叶、胚乳、胚乳、胚乳3．将颗粒完整饱满的西瓜种子分成甲、乙两组，在25℃左右下分别播种，甲组种在肥沃透气湿润的土壤里，乙组种在贫瘠透气湿润的土壤里。
你预测：这两组种子的发芽情况是…………………………………………………………………………………( )A、乙先发芽B、甲先发芽C、同时发芽D、都不发芽4．玉米的果穗常有缺粒的，导致上述结果的可能原因分析不正确的是…………………………………………………………………………………..（）A、由于传粉不足引起的B、开花时，遇到连绵阴雨，影响传粉C、开花时，雨多、风大、气温低，导致昆虫不能飞出活动，影响了传粉D、柱头上没有落上花粉，子房不能发育成果实5．光明是人们祈求的，但有时光也会损害人的视觉和身心健康，成为光污染。
下列现象中会造成光污染的是………………………………………………………………( )A、汽车车窗玻璃上贴防晒膜B、城市建筑大面积安装玻璃幕墙C、晚上学习时用护眼台灯D、用塑料薄膜建造温室大棚6．取出母亲的卵细胞与父亲的精子，在试管中受精并培养成胚胎，移回母亲子宫着床，继续发育形成胎儿直至分娩，这就是我们所说的“试管婴儿”技术。
与“试管婴儿”的产生相应的受精和生殖方式是……………………………………………………………………… ( )A、体内受精、胎生B、体外受精、卵生C、体外受精、胎生D、体内受精、卵生7．将一个物体放在距凸透镜20厘米处时，用光屏可接收到一个清放大的像。
浙江省绍兴县实验中学2013-2014学年七年级下期中英语试卷及答案【人教新目标】
绍兴县实验中学2013-2014学年第二学期期中测试七年级英语试卷试卷I （选择题共70分）（一）听力部分（共20分）一、听力（本题有15小题；第一、二节每小题1分，第三节每小题2分，共计20分）第一节：听小对话，选择图片。
1. What animals does Sally like?A B. C.2. What’s John doing?A B. C.3. What time is it now?A. B. C.4. How does Mike go to school?A B. C.5. What’s the rule?A. B. C.第二节：听长对话，选择正确的选项。
听下面一段较长的对话，回答第6-7两小题。
6. What does Emily have to practice on Saturday evening?A. the pianoB. the violinC. the guitar7. When does Emily play volleyball?A. On Saturday morning.B. On Sunday morning.C. On Sunday afternoon. 听下面一段较长的对话，回答第8-10三小题。
8. Who wants to go swimming?A. JaneB. MichaelC. Alice9. What is Michael doing?A. He’s doing the homework.B. He’s reading a newspaper.C. He’s playing computer games.10. Where are they talking?A. In the classroom.B. On the phone.C. In the library.第三节：听独白，回答问题。
11. Where does Susan have breakfast?A. At home.B. At school.C. We don’t know.12. How long does the bus ride take?A.10 minutes.B. 20 minutes.C. 30 minutes.13. Wha t’s her favorite subject?A. English.B. History.C. Science.14. What does she eat for lunch?A. Fish and vegetables.B. Carrots and hamburgers.C. Tomatoes and chicken.15. What doesn’t she do in the evening?A. Read a book.B. Play computer games.C. Watch TV.（二）笔试部分（共50分）二、单项填空（本题有10小题；每小题1分，共计10分）16. The word “kinds” is read as ___________.A. /ka I nds/B. /k I nds/C. /ka I ndz/D. /k I ndz/17. My best friend is ______ 11-year-old boy. He’s from a small village.A. aB. anC. theD. /18.--Do you have to wear uniforms at school? -- Yes, it’s a _________.A. habitB. ruleC. dreamD. center19.--The fish tastes __________. --Thank you. My mother cooks _________.A. good, goodB. good, wellC. well, wellD. well, good20.--Do you like movies? --No, I __________ go to the movies.A. alwaysB. usuallyC. sometimesD. never21.--_________ is it from the park to the zoo? --It’s only fifteen minutes on foot.A. How oldB. How manyC. How farD. How much22. The tigers ______________, so we must do something to save them.A. are from ChinaB. are in great dangerC. are really beautifulD. are between the lions and the giraffes23.--Please remember to _________ your notebook to school tomorrow, Sam. --OK, Ms Clark.A. crossB. bringC. takeD. write24.--I can’t find Julie. Where is she? --Oh, she ___________ in the garden.A. listens to musicB. is reading a storybookC. can play with her pet dogD. wants to go outside25.--The pandas only live in China. --____________. They are a symbol of China.A. That’s right.B. Sounds good.C. I’d love to.D. All right.三、完形填空（本题有10小题；每小题1分，共计10分）The school music club opens. Tony wants to 26 the club, but he doesn’t want to go alone. So he is 27 his friends at home. He wants to ask 28 to go to the club with him, but everyone is 29 .Martin is doing his homework at home. It usually 30 him two hours to finish it. Peter is writing a letter to his pen pal and he doesn’t like 31 . Jim likes music a lot, but he is singing songs with his classmates at school. They are having a 32 contest（比赛）. Alice is cleaning her room. Simon is helping his brother 33 his English. He often does badly in his tests. Tom is not feeling well. He has to stay 34 . Gray is playing baseball with his sister. Tony is not happy 35 no one can go to the club with him.26. A. live B. join C. go D. take27. A. making B. writing C. calling D. meeting28. A. them B. him C. her D. us29. A. lazy B. busy C. relaxed D. free30. A. takes B. needs C. shows D. plays31. A. art B. club C. music D. English32. A. singing B. swimming C. dancing D. running33. A. at B. in C. for D. with34. A. at school B. in the park C. at work D. at home35. A. and B. so C. because D. but四、阅读理解（本题有15小题；每小题2分，共计30分）36. The name of the horse is ___________.A. Bruno MarsB. CaliC. Mona RamouniD. Ivrea, Italy37. We can see people fight with oranges on ___________.A. March 14B. March 4C. April 3D. April 538. We can see these passages in a ___________.A. storybookB. science bookC. picture bookD. newspaper（B）Dear Dad and mom,How are you? I’m happy here, but I miss you very much. It’s Sunday today. I don’t have classes. I am writing an e-mail to you in the computer room now. There are lots of students here. Some are talking with their friends on QQ. Some are playing computer games. Some are watching movies on computers. My new friends Peter and Bill are here with me. Peter is buying a T-shirt on the Internet. And Bill is reading a book on the computer. They’re friendly and they often help me with my study and life. When you come to Shanghai, I want you to meet them.I’m OK in the new school. Please don’t worry about me. I hope you are happy and well.Love,Jenny39. Where is Jenny now?A. At home.B. In the living room.C. In the library.D. In the computer room.40. What’s Bill doing?A. He is talking with his friends on QQ.B. He is playing computer games.C. He is reading a book on the computer.D. He is watching a movie on the computer.41. What does Jenny think of her two new friends?A. They are friendly.B. They are funny.C. They are smart.D. They are strict.42. What can we learn from the letter?A. Jenny doesn’t have fun at school.B. Jenny can speak Chinese well.C. Jenny is in China now.D. Jenny doesn’t like Chinese food.（C）There is a lion in the forest. Every day he goes out to look for food. The small animals in the forest are all afraid of him.Not far from the forest there are four bulls. They are good friends, and often go out together. The lion tries many times to catch them, but can’t do so. Every time he comes near, the four bulls stand together to fight him. So he can do nothing to them.One day the bulls have a quarrel. After that each of them goes his own way. When the lion sees this, he is very happy. One by one he catches all the four bulls and eats them up.43. The story is about ______________.A. a lionB. a bullC. four bullsD. a lion and four bulls44. Why can’t the lion catch the bulls at first?A. Because the bulls stand together to fight him.B. Because the bulls are in their houses.C. Because the bulls are too strong.D. Because the lion is not strong.45. What’s the meaning of the underlined word “quarrel”?A. 游戏B. 吵架C. 死亡D. 逃跑46. What does the story want to tell us?A. East, west, home is best.B. Time is money.C. Union is strength.D. Love me, love my dog.（D）In most schools, all students must wear school uniforms when they are at school. But not every student likes the school uniform.Li Jia, a 13-year-old girl from No. 9 Middle School, says, “I don’t like my school uniform at all. It is too ugly. I think young girls should wear some colorful clothes. But I have to wear it every day.”However, Su Yan, also a middle school student, has different opinions（观点）. He says, “I like my school uniform. I think it is very beautiful. The uniform is a symbol of my school, and I love my school very much.”Mr. Chen, a teacher, tells the reporter, “It’s good for the students to wear uniforms. It saves a lot of time and money. In the past, my daughter spent（花费）much time on her clothes. But now, she seldom （很少）asks me to buy clothes for her because she has to wear the school uniform.”Do you like your school uniforms? Welcome to write to us.47. What do you know about Li Jia?A. She is an ugly girl.B. She never wears her uniform.C. She doesn’t like her school uniform.D. She studies in No. 1 Middle School.48. What does Su Yan say about his school uniform?A. He doesn’t like it.B. He thinks it’s very ugly.C. He thinks it’s very beautiful.D. He likes the symbol of the uniform.49. How many people talk about the uniform?A. Two.B. Three.C. Four.D. Five.50. From the passage, we know that __________________.A. all students wear their uniforms at school in China.B. Su Yan and Li Jia are classmates.C. different students have different opinions about their uniforms.D. Mr. Chen is Li Jia and Su Yan’s teacher.试卷II （非选择题共30分）五、词汇运用（本题有15小题；每小题1分，共计15分）A. 用方框中所给单词的适当形式填空，每个单词限用一次。
云南师大五华区实验中学2013-2014学年七年级下学期期中地理试卷(纯word解析版)人教新课标
2013-2014学年云南师大五华区实验中学七下期中地理试卷（带解析）1、亚洲气候复杂多样，但该地区却没有：（）A．温带大陆性气候B．温带海洋性气候C．热带季风气候D．温带季风气候【答案】B【解析】试题分析：亚洲气候的特点是：亚洲气候复杂多样，季风气候显著，大陆性特征明显，其中亚洲分布最广的气候类型是温带大陆性气候，亚洲面积广大，地跨寒温热三带，且地形复杂多样，除温带海洋性气候外，世界上的各种气候在亚洲都有分布。
考点：该题考查亚洲的气候。
2、下列描述不属于亚洲河网分布特点的是：（）A．大河多发源于大陆内部B．河网呈放射状C．河流流向自西向东D．内流区面积广大【答案】A【解析】试题分析：亚洲的大河多发源于大陆内部，河网呈放射状，流向是自西向东，外流区面积广大。
考点：该题考查亚洲河流特点。
3、亚欧大陆之间的分界线很明确，其中不是两者分界线的是：（）A．乌拉尔山B．伏尔加河C．大高加索山脉D．土耳其海峡【答案】B【解析】试题分析：亚洲和欧洲的分界线是乌拉尔山-乌拉尔河-大高加索山-土耳其海峡以及里海。
考点：该题考查洲界线。
4、在亚欧大陆上，人口分布很不均匀，其中分布并不稠密的地区：（）A．欧洲西部B．东亚C．南亚D．西亚【答案】D【解析】试题分析：世界四大人口稀疏地带是：干旱的沙漠、寒冷的极地、空气稀薄的高山高原、原始的热带雨林，世界四大人口稠密地带是：亚洲的东部和南部、欧洲的西部、北美洲和南美洲的东部。
考点：该题考查亚洲的人口与国家。
5、亚洲民族、种族众多，其中人数最多的民族是：（）A．汉族B．大和民族C．朝鲜族D．俄罗斯族【答案】A【解析】试题分析：亚洲民族众多，约占世界民族总数的一半，其中人口最多的民族是汉族。
考点：该题考查人口数量概况。
6、中南半岛湄公河流经的国家最多，在下列哪一国家注入南海：（）A．缅甸B．越南C．老挝D．柬埔寨【答案】B【解析】湄公河发源于中国，流经缅甸、老挝、泰国、柬埔寨，在越南注入南海．其在中国境内叫澜沧江。
2013-2014学年北京西城实验学校初一第二学年期中考试数学试题(附答案)
级: 班 姓名:学 号学校: 2013—— 2014学年度第二学期西城实验学校七年级数学学科期中检测试题2014年4月、选择题：（每题3分，共30分） 1. 9的平方根是（ ）C . 3D . ±32.下列命题中正确的有①相等的角是对顶角; ③同旁内角互补；② 在同一平面内，若a//b , b//c ,则a//c ； ④互为邻补角的两角的角平分线互相垂直A . 0个B . 1个C . 2个D . 3个 3.已知：如图，AB _ CD ，垂足为0 , EF 为过点0的一条直线, 则.1与.2的关系一定成立的是（ ）A .相等B .互余C .互补D .互为对顶角 4.下列变形中 不正确的是A.由 m • n 得 n ：：： mB.由一 a ：：： -b 得b ：：： a11 C.由- 4x 1 得 x - D.由一x ：：： y 得 x 2「3y4 3 （第 3题图）5.下列命题中，正确命题的个数有（ ） ①无理数是开方开不尽的数； ②开方开不尽的数是无理数；③0是最小的自然 数 ④在实数范围内，加、减、乘、除、乘方、开方运算总可以进行A.1B.2C.3D.46.在平面直角坐标中，点P （1,2） 平移后的坐标是P' （ -3, 3）,按照同样的规律平移其它点,则以下各点的平移变换中 () 符合这种要求.A. (3, 2)—(4, -2)B.(-1,0)—(-5, -4)C. (1.2, 5) —(-3.2, 6)D. (2.5,—(- 1.5, |)37.图中，与/ 1 成同位角的个数是 ( )a b CA . 2个B . 3 个C .4个D . 5个—i1:x A —2 /8 .在数轴上表示不等式组丄 2,的解集，正确的是（）.第（x V4题r1 r, 1 4-1---- j ■*- J ，1 04一：I 0 E1 0 4 -2 04A B CD9.若a 、b 为实数，且满足|a — 2|+ •• W = 0,则b — a 的值为（）B .— 2C . 0D .以上都不对10•如图，在平面直角坐标系中，一动点从原点 向右的方向不断地移动，每移动一个单位，得到点 A 4（2, 0），…那么点A 4n+i （n 为自然数）的坐标为（y卫iAAsAg-4101111111A 4 As^12 XA . （2n-1,1）B . （2n+1,1）C . （2n,1）D . （4n+1,1）二、填空题：（每题2分，共20分）11. ___________________________________________________________ 把命题对顶角相等”改写成如果……，那么……”的形式是 ____________________ . 12. _____________________________ 平方根等于它本身的数是 __ ，. 16的平方根是 _______________________________ 13. （1）计算 725= _____ ， （ 2）如果 x=亦,那么 X 2 = _______ 14. _______________________________ 比较下列各组数的大小.-7140 -12; 15. _____________________________ 药-柩的相反数是 ; |<3-2= . 16. <3 1的整数部分是_______ ，小数部分是 _________ . 17 .点P （1，2）关于x 轴的对称点P 1的坐标为 ___________ .18. ____________________________________________ 若点P （2-m ，3m +1）在y 轴上，点P 坐标为 _________________________________ .19. 如图，已知 AB// CD,BE 平分/ ABC 且CD 于D 点，/ CDE=150 ,则/C 为O 出发，按向上，向右，向下， A i （0, 1）, A 2（1, 1），A 3（1,0）， ）（用n 表示）. 20.已知关于X 的不等式组 则a 的取值范围 ______ .「X -a a 0Q —2XA 0、解答题：（共50分）（2）2 —V3 + 3 - 2^/3 - V2 _ V322. （本题8分）（“解不等式于一写三并把它的解集在数轴上表示出来•-5-4 -3-2 -1 O 1 2 3 4 523. （本题4分）如图：⑴过点 P 画直线MN // AB ; ⑵过点P 作AB 的垂线，垂足为C ; ⑶量出P 到AB 的距离" _______ cm （精确到0.1 cm ）A B(2) 解不等式组X 23 3'x 11-3(x-1) ：8-x,并写出该不等式组的整数解24 .推理填空：(本题4分)如图①若/仁/2,则____________ // _______ ( ) 若/ DAB+ / ABC=180°则_____ // _________ (②当_______ // _____ 时/ C+Z ABC=1800(当_____ // ______ 时Z 3=Z C (25. 列方程组解应用题(4分)某制衣厂某车间计划用10天加工一批出口童装和成人装共360件，该车间的加工能力是：每天能单独加工童装45件或成人装30件。
济川实验初中2013-2014年七年级下期中英语试题及答案
泰兴市实验初级中学初一英语期中试题2014.4(考试时间：100分钟满分：100分)注意：1、本试卷分第一部分选择题和第二部分非选择题。
2、考生答卷时，必须将自己的姓名、准考证号用黑色或蓝色钢笔或圆珠笔填写在试卷和答题卡的相应位置，再用2B铅笔将准考证号、科目填涂在答题卡上相应的小框内。
第一部分选择题(共65分)注意：考生必须将所选答案的字母标号用2B铅笔填涂在答题卡上相应的题号内，答在试卷上无效。
一、听力（共15小题；每小题1分，满分15分）A.每小题你将听到一句话，从三幅图片中选出与你所听内容相符的选项，听两遍。
1.2.A B C3.A B C4.A B C5.A B CB. 听对话，从所给的A、B、C三个选项中选出最佳选项，听两遍。
6. Where are they talking?A. At the bus stop.B. In a shop.C. In the police station.7. What will the girl do this afternoon?A. Have a party.B. Go shopping.C. Visit the old people.8. Where does the boy live?A. In Winter Street.B. In Orange Street.C. In Autumn Street.9. Where will they go?A. We don’t know.B. Sunshine Restaurant.C. Sunshine Shopping Mall10. How much money does the man need to take?A. 80 yuanB. 70 yuan.C. 50yuanC. 听短文，从A、B、C三个选项中选出能回答问题的最佳答案，听两遍11. Where does Jim live?A. In New York.B. In Paris.C. In London.12. How many people are there in Jim's family?A. Four.B. ThreeC. Five.13. Where does Jim’s father take him to go at the weekend?A. The park.B. The zoo.C. The beach.14. Where do Jim's parents talk with their friends?A. In the living room.B. On the balcony.C. In the garden.15. What's TRUE about Jim' s flat?A. It's in the centre of the city.B. It is big with two bedrooms.C. It's small with no gardens.二、单项选择（共20小题；每小题１分，计20分）16. Next year Tom will go to _______school. He wants to be _______ engineer like his father.A. a; aB. The; anC. / ; anD. / ; a17. Shanghai is ______ the east of China.A. inB. toC. atD. /18. －Where does your aunt work ?－She works in Paris , the capital of _______.A. RussiaB. FranceC. JapanD. China19. －What is your friend like?－___________.A. He is quite friendly and helpful.B. He likes drawing.C. He often watches films.D. He has fun with his dog.20. There are ___________ days in a year.A. thre e hundreds and sixty fiveB. three hundred and sixty fiveC. three hundred and sixty－fiveD. three hundred sixty－five21. －Would you like to go fishing with me now?－________ But I must finish my work first.A. No, thanks.B. Can’t you fish?C. I’d love to.D. That’s right.22. －If you are hungry, I’ll__________ my cake__________ you.－Nice of you.A. share; withB. take; withC. buy; forD. share; to23. Mrs. Li works hard to buy a large house ______________.A. of his ownB. of her ownC. of his own’sD. of his own’s24. In spring, it’s cool to sit on the balcony and____________ the beautiful flowers outside.A. look afterB. look likeC. look out atD. look for25. －There is _____________ with my fridge.－I’m afraid you have to ask someone to check it.A. n othing wrongB. something wrongC. wrong nothingD. wrong something26. My cousin sings very well and everyone likes to __________ her sing.A. soundB. hearC. smellD. feel27.－What is he going to be in the future?－_________________.A. He’s going to be an artistB. He’s going to be thereC. He’s growing wheatD. He will chat with me28. Neil lives in a small town 15 miles________ LondonA. far fromB. away fromC. far toD. away to29. －May I speak to Mary?－________A. Who are you?B. This is Mary.C. Yes, you can speak.D. Yes, I’m Mary.30.－It’s too hot. What about having a glass of cold drink?－________ !A. That sounds like a good ideaB. Good luckC. That’s rightD. Me, too31. — Let’s go to visit the Palace Museum.— OK. Spring is the best time to see ___________ in it.A. animalsB. filmsC. Beijing operaD. works of art32. They always buy__________ food and drinks before they go on a trip.A. muchB. manyC. plenty ofD. a few33. Welcome to Sunshine Town. I’m ready_________ you _________ my hometown.A. to show; aroundB. show; aroundC. to show ; inD. show ; in34. －Mr. Li, where is our English teacher? I need his help.－Wait a minute. He__________ soon.A. is comingB. comeC. comesD. coming35. You can cross the street when you see___________.A. the yellow lightB. the green lightC. the red lightD. the police三、完形填空（共10小题；每小题１分，计10分）Bill is a good student and a clever boy. He likes to study 36 , and he can do all of the math problems in his book easily.One day on 37 way to school, Bill walks past a fruit shop. There is a 38 in the window . It says , “Apple－six for 5 cents(美分).” He has a (an) 39 and he goes into the shop.How 40 are the apples?” he asks the shopkeeper.“Six for 5 cents.”“But I don’t want six apples.”“How many apples do you want?”“I t is not a 41 of how many apples I want. It is a math problem.”“What is your math problem? Can you tell me?” asks the man.“Well, if six apples cost 5 cents, then five apples cost 4 cents, four apples cost 3 cents, three apples cost 2 cents, two apples cost 1 cent and one apple costs 42 . I only want 43 apple.”“Bill 44 a good apple and begins to eat it, then he is 45 to walk out of the shop. The man looks at the young boy in surprise(惊讶地) and doesn’t know what he should say.36. A. English B. biology C. geography D. math37. A. one’s B. the C. his D. her38. A. work B. desk C. sign D. glass39. A. idea B. apple C. book D. orange40. A. much B. many C. big D. heavy41. A. question B. game C. present D. plan42. A. something B. anything C. everything D nothing43. A. one B. two C. three D. four44. A. gets B. brings C. needs D. carries45. A. sad B. happy C. helpful D. funny四、阅读理解（共20小题；每小题１分，计20分）AMy dream is to live in a clean hometown.I now live in a dirty city in North China. The air is dirty. Many people wear masks on the road. They cannot breathe(呼吸) clean air outside. There are not many cars on the road. But people are pulling down a lot of old buildings. It makes the air in the city worse and worse. And a lot of new buildings will be built in the future.Cars on the roadside are extremely dirty. And the public bikes along the roads are too dirty to ride. I have to take a taxi to go to school every day.I feel sad about the air of the city.I don’t care what kind of house I have.I don’t care whether I am rich or not.I just want my hometown to be clean.46. What is the writer’s dream?.A. To become richB. To have a big house.C. To have a clean hometownD. To make more friends47. Where does the writer live?A. In a dirty city.B. By a riverC. In the countrysideD. In an old building48. What makes the air very dirty?A. Pulling down old buildings.B. Having too many cars.C. Having some factories.D. Keeping too many pets.49. How does the writer go to school every day?A. By bus.B. On foot.C. By taxi.D. By bike.50.What does the underlined word “extreme ly” mean in Chinese?.A. 几乎不B. 非常C. 几乎D. 仍然BDear Mr Green,We would like to complain to you about the noise(噪音)from our neighbour, Mary, in Room 402, and wehope you can do something about it.We live in Building 1. Our neighborur, in Room 402, often has parites in the evening. Sometimes it is very late. For us students living in Room 401 and Room 403, we must go to bed at 10:00 p.m., because every morning we have to get up early, at about 6:00 a.m. About half an hour later, we must go to school. The noise from the party is always a problem and we couldn’t get to sleep. We often feel tired and want to sleep in class. We tell her not to do that, but it is no use. So, we are writing this letter to you. We are sure you can help us.We wish to have a quiet night. If you can’t do anything, maybe we will move(搬)out of this building.Yours sincerely,Jack &Jim51.What does the underlined word “complain”mean in Chinese?A.解释B. 说明C. 声明D. 投诉52．Why do Jack and Jim write this letter?A. Because they want Mr Green to help them.B. Because they want Mr Green not to make any noise.C. Because they want to take part in Mary’s party.D. Because they want to go to school late.53．Who lives in Room 402?A. Mr Green.B. Mary.C. Jim.D. Jack54．When does Jack usually go to school?A. At 6:00 a.m.B. At 6:30 a.m.C. At 10:00 p.m.D. At 12:00 p.m.55．What will Jack and Jim do if Mr Green can’t help them?A. They will be late for school.B. They will be happy to live here.C. They will move out of this building.D. They will have a good time at Mary’s party.CMr and Mrs Fang live in a small wooden house on a farm near Bangkok, the capital of Thailand. Mr Fang is 58 years old and his wife is two years younger.They dream of having a big house, but they do not have enough money to buy one. They have a daughter. She works in Russia, but she only makes enough money for herself to live in Russia.There is a small river near their wooden house. The river is full of fish. Mr Fang often goes down to the river because fishing is his favourite hobby. When he catches fish, he brings them home and his wife usually makes delicious fish soup. Mr and Mrs Fang have a lot of friends. When their friends visit them, they always ask their friends to eat the delicious fish soup.Mr and Mrs Fang often have eggs and milk for breakfast. They do not need to spend any money on them, because there are chickens and cows on their farm.56. Mr and Mrs Fang live ________.A. on a farm near TokyoB. in a big house near BangkokC. on a farm near the capital of RussiaD. in a small wooden house near the capital of Thailand57. Mrs Fang is ______ years old.A. 60B. 54C. 56D. 5758. Mr and Mrs Fang’s daughter ____________.A. wants to work in Japan and make more moneyB. does not like her parents very muchC. has enough money to buy a big new ho use for her parentsD. works in Russia and is not very rich(富裕的) 59.______, there is a small river. Mr Fang often goes fishing there. A. Far away from the wooden house B. Not far from the wooden house C. Near a small village D. Near a small town 60. Mr and Mrs Fang don ’t have to buy eggs or milk because_____. A. they have chickens and cows on their farm B. their neighbour always gives them eggs and milk C. their friends usually buy some for them D. their daughter sells chickens and cows D Peter ’s uncle, John lives in the country(农村). In summer, Peter goes to stay with him for a few weeks. When they go for a walk, Peter ’s uncle waves(挥手) to everybody. Peter is surprised(惊讶) and asks, “Uncle John, do you know everybody here?” “Well, I don ’t know all the people,” answers his uncle. “Then why do you wave to them?” asks Peter. “Well, Peter,” says his uncle. “When I wave to someone who knows me, he will be happy. And when I wave to someone who doesn ’t know me, he is surprised and says to himself, “Who is that man?” So he has something to think about during his lonely trip. And that makes his trip seem shorter. So I make everybody happy.” 61. Peter goes to the country____________. A. for his winter holiday B. to see his grandfather C. for his summer holiday D. to see his friends 62. When Peter and his uncle meet some people,___________. A. Uncle John says hello to them B. Uncle John waves to them C. Peter says hello to them D. Peter waves to them 63. Uncle John ___________ in the countryside. A. knows all people B. doesn ’t know all these people C. likes taking a lonely trip D. likes living 64. Uncle John waves to all the people to ___________. A. make them happy B. make Peter happy C. make a joke D. know everybody 65. Peter is very__________ when his uncle waves to everybody. A. sad B. happy C. surprised D. unhappy 第二部分 非选择题(35分) 注意：请考生直接答在试卷上。
北京西城实验学校2013-2014学年初一下期中数学试题及答案
2013——2014学年度第二学期西城实验学校七年级数学学科期中检测试题2014年4月一、选择题：（每题3分，共30分） 1．9的平方根是（ ）A ．3B ．3±C ．3D ．±32．下列命题中正确的有① 相等的角是对顶角； ② 在同一平面内，若a//b ，b//c ，则a//c ； ③ 同旁内角互补； ④互为邻补角的两角的角平分线互相垂直 A ．0个 B ．1个 C ．2个 D ．3个3．已知：如图，AB CD ⊥，垂足为O ，EF 为过点O 的一条直线，则1∠与2∠的关系一定成立的是（ ）A ．相等B ．互余C ．互补D ．互为对顶角4．下列变形中不正确．．．的是 A. 由n m >得m n < B. 由b a -<-得a b <C. 由14>-x 得41->xD. 由y x <-31得y x 3-> 5.下列命题中，正确命题的个数有（ ）①无理数是开方开不尽的数； ②开方开不尽的数是无理数；③0是最小的自然数 ④在实数范围内，加、减、乘、除、乘方、开方运算总可以进行.A.1B.2C.3D.4 6. 在平面直角坐标中, 点P (1, 2) 平移后的坐标是P' (-3, 3), 按照同样的规律平移其它点, 则以下各点的平移变换中 ( ) 符合这种要求. A. (3, 2) → (4, -2) B. (-1, 0) → (-5, -4) C. (1.2, 5) → (-3.2, 6) D. (2.5, 31-) → (-1.5, 32) 7. 图中，与∠1 成同位角的个数是 （ ）A ． 2个B ．3个C ． 4个D ．5个 8．在数轴上表示不等式组⎩⎨⎧<-≥4,2x x 的解集，正确的是( )．A B C D 9.若a 、b 为实数，且满足|a －2|2b -0，则b －a 的值为（ ） A ．2 B ．－2 C ．0 D ．以上都不对10．如图，在平面直角坐标系中，一动点从原点O 出发，按向上，向右，向下，向右的方向不断地移动，每移动一个单位，得到点A 1(0, 1)，A 2(1, 1)，A 3(1, 0)，学校：________________班级：________________姓名：________________学号：________________------------------------------------密-------------封-------------线-------------内-------------请-------------不-------------要-------------答-------------题O A B C DE F 21（第3题图）L2L 1c第（7）题ba1A 4(2, 0)，…那么点A 4n +1 (n 为自然数)的坐标为( )(用n 表示)．A ．(2n-1,1)B ．(2n+1,1)C ．(2n,1)D ．(4n+1,1) 二、填空题：（每题2分，共20分）11．把命题“对顶角相等”改写成“如果……，那么……”的形式是．12．平方根等于它本身的数是 ，16的平方根是 13.（1）计算25= ，（2）如果x=5,那么2x ＝________ 14.比较下列各组数的大小.-140______-12；15、23-的相反数是 ；23-= . 16.13+的整数部分是 ，小数部分是 .17．点P (1，2)关于x 轴的对称点P 1的坐标为 ． 18．若点P(m -2，13+m )在y 轴上，点P 坐标为_____ .19. 如图,已知AB ∥CD,BE 平分∠ABC,且CD 于D 点, ∠CDE=150°,则∠C 为_____ .20.已知关于x 的不等式组⎩⎨⎧>->-0230x a x 的整数解共有6个，则a 的取值范围______. 三、解答题：（共50分） 21. 计算：（本题8分）（1）23212161251625⎪⎭⎫ ⎝⎛-+- （2）3232332---+-EDCBA32O22.（本题8分）（1）解不等式215312+--x x ≤1，并把它的解集在数轴上表示出来．（2） 解不等式组331213(1)8x x x x -⎧++⎪⎨⎪--<-⎩，，≥并写出该不等式组的整数解.23.（本题4分）如图：⑴过点P 画直线MN ∥AB ； ⑵过点P 作AB 的垂线，垂足为C ；⑶量出P 到AB 的距离≈ ㎝ （精确到0.1㎝）24．推理填空：（本题4分）如图 ① 若∠1=∠2，则 ∥ （ ）若∠DAB+∠ABC=1800则 ∥ （ ）② 当 ∥ 时P B A 321D C∠C+∠ABC=1800（）当∥时∠3=∠C （）25. 列方程组解应用题（4分）某制衣厂某车间计划用10天加工一批出口童装和成人装共360件,该车间的加工能力是：每天能单独加工童装45件或成人装30件。
江阴市华仕实验中学2013-2014年七年级下期中数学试题及答案
方形，图案乙是一个大的矩形：图案甲的中间留下了边长是
2cm 的正方形小洞．则 (a+2 b)2－ 8ab 的
值
．
24．（本题满分 5 分） 已知：如图所示，∠ ABD 和∠ BDC 的平分线交于
（ 1）求证： AB∥ CD； （ 2）试探究∠２ 与∠３的数量关系．
E， BE 交 CD 于点 F，∠ 1+ ∠ 2=90 °．
平方厘米；
（ 2）当 2≤t≤４时，小正方形的一条对角线扫过的图形的面积为
平方厘米；
3）当 S=2 时，小正方形平移的距离为
厘米．
三、 解答题：（本大题共 8 小题，共 64 分 .）
⒚计算（本题共有 6 小题，每题 3 分 ,其中 5、 6 两题简便运算．共 18 分）
⑴ 4 ( 2) 2 32÷ (3.14 )0;
⑴有一道题：“化简求值： (2 a 1)(2a 1) (a 2)2 4( a 1) (a 2) ，其中 a 5”．小明在解题时错错 误地把“ a 5 ”抄成了“ a 5 ”，但显示计算的结果是正确的，你能解释一下，这是怎么回事吗？
⑵已知 2x+5y — 3=0 ，求 4x－ 1·32y 的值
21.将下列各式分解因式（本题共有
D ． 48
⒍下列因式分解，结果正确的是
（
① x 4 1 (x 2 1)(x 2 1) ；
②x2
③ 4m3 12m 2 m 2( 4m 12) ；④ (a2
）
2x 4 ( x 2) 2 ； b2 ) 2 4a2b2 (a
b) 2 (a
b) 2．
A. ①
B. ②
C. ③
D. ④
⒎如图，两个正方形的边长分别为 a 和 b，如果 a+b＝ 10,ab＝ 20,则阴影部分的面积为 (
嘉兴市实验中学2014年七年级下期中检测数学试卷及答案
嘉兴市实验中学2013-2014学年第二学期期中检测七年级数学试卷一、选择题（每小题3分，共30分）1.下列是二元一次方程的是 （ ） A.3x=10 B.132-=-y x C.z y x -=4 D.08=+xy2.如图：a//b,且∠2是∠1的2倍,那么∠2等于( ) A. 60° B. 90° C. 120° D.150° 3．在二元一次方程x+3y=1的解中，当x=4时，对应的y 的值是（ ）。
A. 31-B. 31C. -1D. 44、下列运算正确的是……………………………………………………………………（ ） （A ）954a a a =+ （B ）954632a a a =⨯ （C ）33333a a a a =⋅⋅ （D ）()743a a =-5．天安门广场的面积约为25104.4m ⨯，请你估计一下，它的万分之一约相当于（ ） A. 教室地面的面积 B. 黑板面的面积 C. 课桌面的面积 D. 铅笔盒盒面的面积 6．下列方程中与方程x+y=1有公共解2,3x y =-⎧⎨=⎩的是（ ）A 、2x-3y= -13B 、y=2x+5C 、y-4x=5D 、x=y-37．计算)3()6(22b a ab ⋅-的结果是（ ）A. 3418b aB. 3436b a -C. 34108b a -D. 34108b a8．已知：5=-y x ，49)(2=+y x ，则22y x +的值等于（ ）A. 44B. 27C. 25D. 37 9.下列各式能用平方差公式计算的是（ ）A. ))((b a b a -+-B. )2)((b a b a -+C. )1)(1(x x +-+D. ))((n m n m +--10．把一张对面互相平行的纸条折成如图所示那样，EF 是折痕，若∠EFB=32°则下列 结论正确的有（ ）A. 1个B. 2个C. 3个D. 4个 二 、填空题（每小题3分，共30分）11．禽流感病毒直径约为0.00000205cm ，用科学计数法表示为_____________cm.12. 已知一个长方形的面积是x x 22-，长为x ，那么它的宽为 .13. 计算：()=---133 .14. 已知│x －1│+（2y+1）2=0，且2x －ky=4，则k=_____ 15．某同学解方程组 ⎩⎨⎧=-=+322y x y x ●的解为⎩⎨⎧==★y x 1，由于不小心，滴上了两滴墨水， 刚好遮住了两个数●和★，请你帮他找回这个数，●= 。
北京西城实验中学-2014-初一-第二学期英语期中试题及答案
北京西城实验中学-2014-初一-第二学期英语期中试题及答案北师大附属实验中学 2013-2014 初一第二学期期中试题考试时间 100分钟第一部分听力 (共20分)第二部分语言知识运用（一）（共54分）一、单项选择题（每题1分，共15分）21、There aren’t ___________ vegetabale s inthe fridge, Mike. Would you like to goto get __________, please?-----Sure, Mum.A.S ome ;anyB.any; someC. some;some D. any; any22、I’m looking forward to __________ my sonin LA.A. SeeB. sawC.seeing D. seen23、The teacher speaks slowly and loudly tothe older students ______they canalways hear clearly.A. becauseB. soC. andD. or24、-------__________people can you find inthe picture?-------Three.A. How manyB. WhatC. How muchD. How25、_____ the future, teachers won’t wr ite____ the blackboard ____chalk.A. In; on; withB. in; in; inC. At; on; inD. At; on; with26、-----How are you going home, Daming?-----I’m going to the _____ to take a bus.A. ferry terminalB. bus stationC. airportD. restaurant27、____，or you’ll be late for work.A. Be carefulB. Look upC. Hurry upD. Go out28、---Wow！ Look outside! It ____.What a Heavy rain!---Yes, You know, it ____quite often here during the summer.A. is raining; rainsB. rains; israining C. is raining; is raining D. rains; rains29、They often meet the old man when the go____ the hotel.A. outB. acrossC. pastD. along30、Lingling’s father is out of work. Heis _____ a new job in Beijing now.A.Looking atB. looking upC. looking afterD. looking for31、Cambridge is a small town that is famous_____ Cambridge University.Betty’s father works as _____ university teacher there.A. To; aB. in; anC. for; aD. for ;an32、-----Excuse me, is there a China Banknear here?---yes. Go ahead, turn left and youwill find a bookshop. The bank is _____ thebook shop.A. nestB. betweenC. oppositeD. along33、-----Will people use paper money in 100 years?-----No,_____.A. t here won’tB. they won’tC. they don’tD. there aren’t34、-----Shall we go to the Science Museum?I here there’s _____ there.------I’d love to , but I have to get ready for the mid-term exam.A. something newB. nothing newC. new somethingD. new everything35、---- Have a nice day!---- Thank you.______A.A re you ok?B. How are you ?C.I don’t know. D. You too.二、完形填空（每小题1分，共10分）How can you think in English? I think the best way is to practice as what a football player does every day. During the___36___ the football players pass the ball to his teammates over and over again,So they won't have to____37____ passing the ball in the game, they will just do it. You can ____38__ yourself to think in English in this way. The first step is to think of the words that you use daily, simple everyday words _39_____book, shoe or tree. For example, whenever you __40_____ a "book", you should think of it in English instead of in your mother language.After you have learned to think of words in English, you'd better go on to the next step--thinking in ____41___ . Listening and repeating is a very useful ___42 __ to learn a language. Listen first and don't care too much about ____43__ you fully understand what you're hearing. Try to say what you hear as much as possible. The more you listen, the ___44__ you learn. After you reach a higher level, __45____having conversations with yourself in English.This will lead you to think in English.36. A. practice B. breakC. gameD. day37. A. wait for B. think aboutC. look atD. give up38. A. allow B. trainC. tellD. ask39. A.in B. aboutC. likeD. from40. A. buy B. keepC. borrowD. see41. A. sentences B. passagesC. lessonsD. classes42. A. idea B. stepC. wayD. play43. A. which B. whetherC. howD. why44. A. harder B. lessC. laterD. more45. A. remember B. stopC. startD. finish三、阅读理解（每小题2分，共26分）AToday is April Fool’s Day. Lee’s Market is having a sale. But Lee is notjoking. All fruits and vegetables arecheap now. How cheap? Buy one get two free!That is about 65% off! But they don’t havethe sale all day. The sale is from 5 p.m.to 8p.m. Mom is going. But she can’t goearly. She can leave the office at 6 p.m.Can she get really nice cheap fruit? I hopeso!46. What is the date today?A. MondayB. December 25.C. April 1.D. April 30.47. How long is the sale?A. Two minutes.B. Two hours.C.Three hours. D. Three days.BMary’s plan for next weekPeter’s plan for next week48. Peter’s study group meeting will be on______A. Saturday morningB. Monday afternoonC. Saturday eveningD. Friday afternoon49.From PETER,S plan we learn the Peter likes______A. table tennisB. musicC. artD. basketball50. On Sunday morning Mary will_____。
云南师范大学五华区实验中学2013-2014学年七年级下学期期中考试语文试题
云南师范大学五华区实验中学2013-2014学年七年级下学期期中考试语文试题一、积累运用（22分）阅读下面这段话，完成1至5题。
我喜欢凝望万里无云的晴空，每当与蓝天对视，双眸像被攥住一般。
碧澄的天空，静秘得让人远离了尘世的喧嚣和浮躁。
面对瞬息万变的天象，有的人倾情于万籁俱寂里坐看风起云踊，有的人倾情于雷霆万钧中细数纷纷落英，，有的人倾情于久雨初晴后接受阳光的摩挲。
通过与蓝天对视，使人的经历化为思绪和景象连缀绵延……憧憬是人类的慰藉。
我愿意将视线永远停留在辽阔的苍穹，与之相依相唯，溶为一体……1、在田字格里书写下列的词语。
（2分）碧澄浮躁辽阔苍穹2、给下列词语中的加点字注音。
（2分）攥．住万籁．俱寂摩挲．连缀．绵延3、文中有4个错别字，请找出3个并改正。
（3分）改为改为改为4、文中有一处语病，请写出改正后正确的句子。
（2分）5、根据文段语境，在第二段空白处补充一个句子，要求语义连贯，句式一致。
（2分）6、下列加点成语使用不恰当的一项是（）（2分）A、于是大家放开喉咙读一阵书，真是人声鼎沸．．．．。
B、它们的叶子和花都不一样，各有各的鲜为人知．．．．的秘密。
C、这一摞书，是我的第二个理想，想当一名著作等身．．．．的作家。
D、当实在不能吃了的时候，他便吃自己的大拇指，吃得狼吞虎咽．．．．，有滋有味。
7、下列选项表述有误的一项是（）（2分）A、《童年的朋友》运用细腻而饱含深情的语言，通过对外祖母形象的细致描绘，表现了外祖母乐观、坚毅的性格，对“我”的深厚的爱以及对“我”一生的影响，抒发了“我”对外祖母的热爱、感激之情。
B、《月迹》一文线索清晰。
全文按照“盼月亮”——“寻月亮”——“议月亮”的顺序展开；全文重点部分是寻月亮，立意深刻，富有童趣，想象丰富。
C、《从百草园到三味书屋》一文共写了鲁迅在“百草园”和“三味书屋”两处的童年生活。
课文由“我的乐园”领起写百草园，写百草园春、夏、秋、冬四季的景物和美女蛇的传说，无一不表现了百草园的无穷乐趣；写三味书屋时，作者选取几个片段，再现了私塾教育的若干侧面和单调枯燥的学习生活，刻画了一位严厉而又可敬、可亲、有趣的老师。
山东省文登市实验中学2013-2014学年七年级(五四学制)下学期期中考试语文试题
=山东省文登市实验中学2013-2014学年七年级（五四学制）下学期期中考试语文试题温馨提示：1．本试卷满分120分，其中卷面5分。
答题时间90分钟。
2．字要认认真真．．．．地写，保持卷面整洁。
一、积累与运用：（28分）1、下列词语中加点字的注音完全正确的一项是（）A、荒谬．（miù）颠沛．流离(pèi ) 掳．去(lǚ ) 癖．好 (pì)B、诘．问(jié) 奔丧．(sàng) 琐屑．(xiè) 文绉绉．．(zōu)C、吊唁．(yàn) 祈．盼(qǐ) 伧．俗(cāng) 锐不可当．(dǎng)D、拂．晓(fú) 惟妙惟肖．(xiào) 箱箧．(qiè) 伎．俩(jì)2、请找出下列词语中的4个错别字，在方格中订正。
微不足道巧妙绝伦张惶失措大廷广众风尘苦旅因地治宜脍灸人口长途跋涉3、默写诗句：1）《送杜少府之任蜀州》的千古名句是：，。
2），客舍青青柳色新。
3）念天地之悠悠，。
4），欲上青天览明月。
5），草色遥看近却无。
6）不畏浮云遮望眼，。
4、下列短语结构相同的一组是（）A、保卫祖国调查研究热烈祝贺保持安静B、风俗习惯复习提纲我的志愿伟大祖国C、雄伟壮丽赏心悦目边走边谈损人利己D、人民伟大成果辉煌黑了一阵宿舍旁边5、下列句子没有语病的一项是A．这家化工厂排出大量废气和噪声，周边居民对此意见很大，纷纷打电话到环保部门投诉。
B．在阅读文学名著过程中，常常能够使我们明白许多做人的道理，悟出世间人生的真谛。
C．真正地亲近自然，融入自然，这样，我们的情感就会更加丰富，我们的生活就会更加美好。
D．今年5月31日是第22个“世界无烟日”，北京爱卫会发出了当天17：31分至18：31分全国公众禁烟一小时。
6、毕业晚会上，王雨把下面的话说了一半，便哽咽了。
请你仿照他的话续写一句。
要求句式一致，语意连贯。
河南省郑州市上街实验初级中学2013-2014学年七年级下学期期中考试语文试题
河南省郑州市上街实验初级中学2013-2014学年七年级下学期期中考试语文试题姓名：分数：一、基础知识（共66分）1.下列选项中字音、字形完全正确的一项是（）（3分）A．祈qǐ祷斑斓气冲斗dîu牛锋芒毕露B．污秽huì脑髓suí一拍既合来势汹汹C．嫉jì妒澎湃pài 鞠躬尽瘁人迹罕至D．骊lí歌屏障炽chì痛杂乱无章2、下列加点字释义完全正确的一组（）（3分）A．鉴赏（鉴定）死而后已（停止）兀兀穷年（贫穷）B．怪诞（荒唐）杂乱无章（章节）家喻户晓（了解）C．宿儒（长久从事某种工作）锋芒毕露（毕竟）妇孺皆知（小孩子）D．亘古（延续不断）荒草萋萋（草长得茂盛的样子）迥乎不同（差得远）3、下列各句没有语病的一句是（）（3分）A．正确地使用标点符号，有助于我们准确地表达思想，交流信息。
B．我国正在全面建设小康社会，努力为构建社会主义和谐社会。
C．华南农业大学兽医学院使用并研制了禽流感灭治乳剂疫苗。
D．由于原始人类还处在蒙昧和没有开化的阶段，所以当他们编制各种美丽的神话时，他们并没有意识到自己正在进行艺术创作。
4.下列文学常识搭配不当的一项是（）（3分）A.《福楼拜的星期天》莫泊桑小说巨匠法国B.《邓稼先》杨振宁美籍华裔物理学家诺贝尔物理学奖获得者C.《伤仲永》《临川先生文集》王安石北宋D.《丑小鸭》都德丹麦童话作家5.选出和“树林一直在唱着那首愉快的歌”修辞方法相同的一项是( )(3分)A.这里的人们非常好客，火一般热情。
B.一路上，稻田绿、菜花黄、江水银，绘成了一幅幅田园巨画。
C.生命是一条河流，有奔腾也有平缓。
D.天气炎热，那张乒乓球桌子也在睡觉。
6、填入下面横线上的句子，与上下文衔接最恰当的一项是（）（3分）他是班上的清洁委员，很爱护环境卫生，放学回家在校门时，看到了地上有纸团，他很自然地弯腰拾起放进垃圾桶里，，班会上，他受到了班主任的表扬。
云南师范大学五华区实验中学2013-2014学年七年级下学期生物期中试题 (word版含答案)
云南师范大学五华区实验中学2013-2014学年七年级生物下学期期中试题一、选择题 (每小题1.5分 , 共 60分 )1.现代类人猿和人类的共同祖先是（）A. 古人类B. 森林古猿C. 北京古猿D.大猩猩2．人类生命的起始点是一个细胞，该细胞为（）A．受精卵 B．精子 C．卵细胞 D．以上都不是3．进入青春期身体发育的最显著的特点是（）A．肺活量增大 B．身高突增C．对异性产生依恋 D．脑容量迅速增加4．精子和卵细胞相遇是在（）A．输卵管 B．子宫C．卵巢 D．阴道5．卵巢的主要功能是（）A．只产生卵细胞 B．只分泌雌性激素C．产生卵细胞和分泌雌性激素 D．输送卵细胞6、下列营养物质中，能为人体生命活动提供能量的是（）①糖类②脂肪③蛋白质④水⑤无机盐A.①⑧⑥B.①②④C.①②③D.①②⑤7、下列哪种食物中含糖较高 ( )A．鸡蛋 B．豆腐 C．肥肉 D．馒头10、牙龈经常出血的人，体内可能缺乏的维生素是（）A.维生素AB.维生素BC.维生素CD.维生素D11、通常所指的第七类营养素是（）A．牛奶 B．鸡蛋 C．纤维素 D．果珍12、细嚼馒头，口腔内感觉有甜味，这是由于（）A．牙齿咀嚼的缘故B．舌搅拌的缘故C．口腔分泌消化酶的缘故 D．与以上三条都有关13、下列消化液中，不含消化酶的是（）A.唾液B.胃液C.胆汁D.肠液14、各类营养物质在人体消化道内开始被消化的顺序是：（）①蛋白质②淀粉③脂类④无机盐⑤纤维素A．①②③ B.①③⑤ C. ③②① D．②①③15、唾液淀粉酶消化淀粉的最适温度是（）A．320C B．370C C．400C D．15O C16、每天早、中、晚餐的能量摄入比例正确的是（）A．30%； 40%；30% B．40%； 30%； 30%C．20%；40%；40% D． 30%； 30%； 40%17、食物和气体的共同通道是（）A、口腔B、咽C、喉D、食道18、气体进入人体的通道顺序是( )A、鼻、咽、喉、支气管、气管B、鼻、喉、咽、气管、支气管C、鼻、咽、口腔、喉、气管、支气管D、鼻、咽、喉、气管、支气管19、痰生成的部位是（）A、鼻腔黏膜B、喉腔侧壁C、气管和支气管黏膜D、食道黏膜20、呼出的气体和吸入的气体相比，其变化是（）①温度升高②水分增加③氧气含量略增④氧气含量大增⑤二氧化碳含量增加A、①②④B、②③⑤C、①②⑤D、①③④21、肺泡中的氧气进入肺泡周围毛细血管的血液中，至少通过的细胞层数是（）A.1层B.2层C.3层D.4层22、用鼻呼吸比用口呼吸好，这是因为（）A、鼻黏膜分泌的黏液能杀死细菌B、鼻黏膜有纤毛，能阻挡细菌C、鼻黏膜有嗅细胞，能产生嗅觉D、鼻腔使空气变得温暖、湿润和清洁24、冬天上课门窗关闭较久后，不少同学会出现打“呵欠”的现象，是因为（）A、打“呵欠”会传染B、同学想睡觉C、教室的空气中含有较多的二氧化碳D、大家养成了打“呵欠”的习惯。
2013-2014年初一下期中数学试题及答案
第Ⅰ卷一、 选择题（本题共30分，每小题3分）以下每个小题中，只有一个选项．．．．是符合题意的.1. 不等式2+x <4的正整数解有 .A ．1个B ．2个C ．3 个D ．4个2. 下列各式正确的是 .A ．5)5(2-=- B ． 15)15(2-=-- C ．5)5(2±=- D ．2121= 3. 在下列各数0.51525354、0、2.0 、π3、722、 1010010001.6、11131、27 中，无理数的个数是 .A . 1B . 2C . 3D . 44. 利用数轴确定不等式组102x x +≥⎧⎨<⎩的解集，正确的是 ．A ．B ．C ．D ． 2013---2014学年度北京市第十三中学分校 第二学期期中 七年级 数 学 试 卷5. 如右图，由下列条件不能得到AB ∥CD 的是 .A . ∠B ＋∠BCD ＝180° B . ∠1＝∠2C . ∠3＝∠4D . ∠B ＝∠56. 将一直角三角板与两边平行的硬纸条如图所示放置，下列结论：（1）∠1＝∠2； （2）∠3＝∠4； （3）∠2+∠4＝90°； （4）∠4+∠5＝180°. 其中正确的个数是 . A .1 B .2 C .3 D .47. 下列命题中，是真命题的个数是．①两条直线被第三条直线所截，同位角相等②在同一平面内，垂直于同一直线的两直线互相平行 ③三角形必有一条高线在三角形内部 ④三角形的三个外角一定都是锐角A ．1个B ．2个C ．3个D ．4个8. 等腰三角形的两边长分别是5㎝和10㎝，则它的周长是 ． A ．15㎝ B ．20㎝ C ．25㎝ D ．20㎝或25㎝9. 关于x 的不等式组⎪⎪⎩⎪⎪⎨⎧++-+a x x x x )3(21,5)52(31只有5个整数解，则a 的取值范围是.A .2116-- a B . 2116-≤- a C . 2116-≤-a D . 2116-≤≤-a10. 已知正整数a 、b 、c 中，c 的最大值为6且a<b<c ，则以a 、b 、c 为三边的三角形共有．A ．4个B ．5个C ．6个D ．7个第Ⅱ卷二、细心填一填（本题共16分，每小题2分）11. 若点P(m -2，13+m )在x 轴上，则m =________． 12.81的平方根是 ．13．如图，四边形ABCD 中，∠B=40°，沿直线MN 剪去∠B ，则所得五边形AEFCD 中，∠1+∠2=_________°．14．在平面直角坐标系中，如果一个点的横、纵坐标均为整数，那么我们称这个点是格点．若格点P (m －2，m ＋1)在第二象限，则m 的值为______．15．如图，000623,622,721=∠=∠=∠，则4∠的度数为 °．第15题图 第16题图16．将一副直角三角尺按如图所示放置，其中∠A=30°，∠ACB=90°, ∠E=45°,三角形板DCE 的直角顶点D 在AB 边上，边ED 与边AC 交于点F ，若EC ∥AB ， 则∠AFE 的度数是 度．17. 在平面直角坐标系中，定义两种新的变换：对于平面内任一点P （m ，n ），规定：①()()f m n m n =-,,，例如，(2)(21)f =-,1,； ②()()g m n m n =-,,，例如，(2)(21)g =-,1,． 按照以上变换有：[(3)](3)(3)g f g -=--=-,4,4,4，那么[(5)]f g ,2等于 ． 18. 一个三角形内有n 个点，在这些点及三角形顶点之间用线段连接起来，使得这些线段互不相交，且又能把原三角形分割为不重叠的小三角形.如图：若三角形内有1个点时，此时有3个小三角形；若三角形内有2个点时，此时有5个小三角形.则当三角形内有99个点时，此时有 个小三角形.AF BE C DM N12ADF CB E三．计算题：(19题每题5分，20题（1）4分，（2）6分，共20分)19．计算 （1）23)21(641251625-+- （21+2)451(- ．20．（1） 解不等式 31122x x -+≥并将解集在数轴上表示出来．．．．．．．．．．．．． （2） 求不等式组523(2),12123x x x x +<+⎧⎪--⎨⎪⎩ ≤. 的整数．．解．. 四．解答题：(21题 5分，22、24题4分，23、25题6分，共25分)21. 在平面直角坐标系中， A 、B 、C 三点的坐标分别为（－6, 7）、（－3，0）、（0，3）．（1）画出△ABC ，并求△ABC 的面积；（2）在△ABC 中，点C 经过平移后的对应点为C ’（5，4），将△ABC 作同样的平移得到△A ’B ’C ’，画出平移后的△A ’B ’C ’，并写出点A ’，B ’的坐标；（3）P （－3， m ）为△ABC 中一点，将点P 向右平移4个单位后，再向下平移6个单位得到点Q （n ，－3），22． 已知：如图，点A 、B 、C 在一条直线上，AD ∥BE ，∠1=∠2.将求证：∠A =∠E 的过程填空完整.证明：∵AD ∥BE （ ）,∴∠A = （ ）, 又∵∠1=∠2（ ）,∴ED ∥ （ ）,∴∠E= （ ）, ∴∠A =∠E （ ）．D BE A 21第22题24．已知：如图，点P 为△ABC 内任一点.求证：PA+PB+PC>21(AB+BC+AC) ．25. 列方程(组)或不等式(组)解应用题某小区准备新建50个停车位，用以解决小区停车难的问题．已知新建1个地上停车位和1个地下停车位共需0.6万元；新建3个地上停车位和2个地下停车位共需1.3万元．（1）该小区新建1个地上停车位和1个地下停车位各需多少万元？（2）该小区的物业部门预计投资金额超过12万元而不超过13万元，那么共有几种建造停车位的方案？五、解答题（本题共9分，第26题5分，第27题4分）26．如图1，将三角板ABC 与三角板ADE 摆放在一起；如图2，其中∠ACB=30°，∠D AE=45°∠B AC=∠D =90°.固定三角板ABC ，将三角板ADE 绕点A 按顺时针方向旋转，记旋转角∠CAE =α（0°＜α＜180°）．（1）当α为 度时， AD ∥BC ，并在图3中画出相应的图形；（2）当△ADE 的一边与△ABC 的某一边平行（不共线）时，写出旋转角 α的所有可能的度数；（3）当0°<α＜45°时，连结BD ，利用图4探究∠BDE +∠CAE +∠DBC 值的大小变化情况，并给出你的证明．PCBA图1 图2 固定三角板ABC 旋转三角板ADE CACA27．阅读理解如图a ，在△ABC 中，D 是BC 的中点．如果用ABC ∆S 表示△ABC 的面积，则由等底等高的三角形的面积相等，可得ABC ACD ABD ∆∆∆==S 21S S ．同理，如图b ，在△ABC 中，D 、E 是BC 的三等分点，可得ABC AEC ADE ABD ∆∆∆∆===S 31S S S ．结论应用 已知：△ABC 的面积为42，请利用上面的结论解决下列问题：（1）如图1，若D 、E 分别是AB 、AC 的中点，CD与BE 交于点F ，则△DBF 的面积为____________； 类比推广（2）如图2，若D 、E 是AB 的三等分点，F 、G 是AC 的三等分点，CD 分别交BF 、BG 于M 、N ，CE 分别交BF 、BG 于P 、Q ，求△BEP 的面积；探究新知（3）如图3，问题（2）中的条件不变，求四边形EPMD 的面积．E AD CB 图b图aBCDA图1图2图319．计算（1）23)21(641251625-+-解：原式=551442-+=12……………………5分（2）1+2)451(- ．解：原式114+=134+……………………5分20．(1) 解不等式 31122x x -+≥并将解集在数轴上表示出来．．．．．．．．．．．．．2013--2014学年度北京市第十三中学分校第二学期期中 七年级 数学答案-x ≥-1x ≤1 ……………………3分 正确画出数轴 ……………………4分（2）求不等式组523(2),12123x x x x +<+⎧⎪--⎨⎪⎩ ≤. 的整数解．．．. 解：解不等式①，得 5236x x +<+． 2x <． ·································································································· 2分 解不等式②，得 3342x x -≤-．1x -≤．1x ≥-． ································································································· 4分 在数轴上表示不等式①，②的解集，∴这个不等式组的解集是： 12x -≤<． ·························································· 5分∴这个不等式组的整数解是：-1、0、1 ······························································ 6分21．解：（1）如图，过A 作AH ⊥x 轴于点H ．ABC AHB OBC AHOC S S S S ∆∆∆=--梯1()2AH OC HO =+⋅1122AH BH OB OC -⋅-⋅111(73)67333222=⨯+⨯-⨯⨯-⨯⨯15=． ···················2分 （2）如图，(18)A '-,，(2)B ',1； ············ 4分（3）m =3，n =1． ················································································· 6分22．证明：∵AD ∥BE （ 已知 ）,∴∠A = ∠EBC （ 两直线平行，同位角相等 ）, 又∵∠1=∠2（ 已知 ）,∴ED ∥ AC （ 内错角相等，两直线平行 ）,。
泰兴市实验初中2013-2014学年七年级(下)期中数学试题(含答案)
泰兴市 实验初级中学 初一数学期中试题2014.4(考试时间：100分钟 满分：100 分)题 号 1 2 3 4 5 6 7 8 9 10 答 案1．下列计算正确的是A ．5210a a a ⋅=B ．623a a a ÷=C ．358a a a += D ．()428aa =2．有下列长度的三条线段能构成三角形的是A ．cm cm cm 3,2,1B ．cm cm cm 2,4,1C ．cm cm cm 3,4,2D ．cm cm cm 3,6,2 3．已知一个多边形的内角和是540°，则这个多边形是 A ．四边形B ．五边形C ．六边形D ．七边形4．下列各式能用平方差公式计算的是A ．))(3(b a b a -+B ．)3)(3(b a b a +---C ．)3)(3(b a b a --+D ．)3)(3(b a b a -+- 5．如图,AB ∥CD ,AB EG ⊥,︒=∠501,则E ∠的度数等于 A ．30° B ．︒40 C ．︒50 D ．︒606．生物具有遗传多样性，遗传信息大多储存在DNA 分子上．一个DNA 分子的直径约为0.0000002 cm ，则0.0000002用科学记数法可表示为A ．0.2×10—6B ．2×10—6C ．0.2×10—7D ．2×10—7 7．二元一次方程x +2y =8的正．整数．．解有 A ．3个 B ．4个 C ． 5个 D ．无数个 8．下列变形，属于因式分解的有①)4)(4(162-+=-x x x ②16)3(1632-+=-+x x x x ③16)4)(4(2-=-+x x x ④⎪⎭⎫ ⎝⎛+=+x x x x 112A ．1个B ．2个C ．3个D ．4个 9．若项，则的乘积中不含22x )2)(3(++-x px xA ．p ＝2B ．p ＝±2C ．p ＝－2D ．无法确定10．如图，若ΔABC 的三条内角平分线相交于点I ，过I 作DE ⊥AI 分别交AB 、AC 于点D 、E ，则图中与∠ICE 一定相等的角(不包括它本身)有( )个 A ．1 B ．2 C ．3 D ．4二、填空(2分×10=20分)11．计算24)(a -的结果为 ．班级 姓名 考试证号 密封线内不要答题 ……………………………………………装………………………………订………………………………………线…………………………………………12．(a +b )( ) = b 2 －a 213．如图，以AB (长为3cm )为直径的圆(O 1为圆心)，沿直线l 向右平移4cm 到如图所示的位置(O 2为圆心)，则图中阴影部分的 面积为 cm 2．14．若二次三项式x 2+kx ＋16是完全平方式，则k 的值为 ．15．如图，把一个长方形纸条ABCD 沿EF 折叠，若∠1=50°，则∠AEG = °．16．如图，A 处在B 处的北偏东45°方向，C 处在A 处的南偏东15°方向，则∠BAC 等于_______度．17．若5x =2，5y =3，则5x +y =____________．18．如图，张大爷在一片空地上散步，从A 点出发，用10秒沿直线前进20米后向左转45°；再用10秒沿直线前进20米后又向左转45°，照这样走下去，他散步10分钟，一共经过A 点 _________次（不包括出发的一次）． 19．观察下列等式：20 +21 =1×(1+2)=1×3；21 +22 =2×(1+2)=2×3； 22 +23 =4×(1+2)=4×3；···依据你所发现的规律，请写出第n 个等式： ．20．如图是由6个面积为1的小正方形组成的长方形，点A 、B 、C 、D 、E 、F 是小正方形的顶点，以这六个点中的任意三点为顶点，可以组成 个面积是1的三角形．三．解答题 21．(9分)计算 (1) a 2·a 4＋(2a 3)2 (2)9－(2x ＋3)(2x －3)(3)()()1000210113323π-⎛⎫-⨯---- ⎪⎝⎭座位号第15题 第16题 第18题 第20题 A4 c m O 2O 1l22．(6分)化简后求值：(2a－b)2+(1－2a－b)(1＋2a＋b)，其中a＝－14，b＝12．23．(9分)因式分解(1) (a+b)2+6(a+b)+9(2) (x－y )2 －9(x+y )2 (3) a2 (x－y)+b2 (y－x)；24．(6分) 如图，DE⊥AB，垂足为D，EF∥AC，∠A＝30°，(1)求∠DEF的度数；(2)连接BE，若BE同时平分∠ABC和∠DEF，问EF与BF垂直吗？为什么？25．(5分)已知(a+b)2=6，(a－b)2=2，试比较a2 +b2与ab的大小．…………………………………………装………………………………订………………………………………线………………………………………………26．(8分)阅读解答题问题1: 阅读例题的解答过程，并解答(1)(2) 例：用简便方法计算195×205.解：195×205=(200－5)(200+5) ① =2002－52 ② =39975(1)例题求解过程中，第②步变形依据是 ． (2)用简便方法计算：9×11×101问题2：对于形如222a ax x ++这样的二次三项式，可以用公式法将它分解成()2x a +的形式.但对于二次三项式2232a ax x -+，就不能直接运用公式了.此时,我们可以在二次三项式2232a ax x -+中先加上一项2a ，使它与ax x 22+的和成为一个完全平方式，再减去2a ，整个式子的值不变，于是有：2222223232a a a ax x a ax x --++=-+()224x a a =+-()()222x a a =+-()()3x a x a =+-像这样,先添一适当项,使式中出现完全平方式,再减去这个项,使整个式子的值不变的方法称为“配方法”.利用“配方法”分解因式:268a a -+27．操作题(8分)(1)如右图，在每个小正方形边长为1的方格纸中， △ABC 的顶点都在方格纸格点上．将△ABC 向 左平移2格，再向上平移4格．请在图中画出 平移后的△A ′B ′C ′；(4分)(2)如图，在长方形纸片内画有两条直线m 、n ，现无法直接度量到这两条直线所成的锐角的度数，请你设计两种方法，通过构造图形，度量其它角，间接求这个锐角的度数．(要求：构造图形时，所有线条必须在表示纸片的方框内，并简要说明所画的线条和所需要度量的角．超过两种方法，每多一种加0.5分，最多加2分，加分计入总分)．(4分)方法一： 方法二：备用图：班级 姓名 考试证号 密封线内不要答题 ……………………………………………装………………………………订………………………………………线…………………………………………28．(9分)如图，已知两条射线OM∥CN，动线段AB的两个端点A、B分别在射线OM、CN上，且∠C=∠OAB=108°，F在线段CB上，OB平分∠AOF，OE平分∠COF．(1)请在图中找出与∠AOC相等的角，并说明理由；(2)若平行移动AB，那么∠OBC与∠OFC的度数比是否随着AB位置的变化而发生变化？若变化，找出变化规律；若不变，求出这个比值；(3)在平行移动AB的过程中，是否存在某种情况，使∠OEC=2∠OBA？若存在，请求出∠OBA度数；若不存在，说明理由．参考答案2014.41－10 DCBBB DAAAB 11．a 8 12．b －a 13．12 14．±8 15．80 16．60 17．6 18．719．2n －1＋2n =3·2n －1 20．1021．(1)5a 6 (2)18－4x 2 (3)47 22．223．(1)(a +b +3)2 (2)－4(2x +y )(x +2y ) (3)(x －y )(a +b )(a －b ) 24．(1)120° (2)90° 25．略26．(1)平方差公式 (2)9999 (a －2)(a －4) 27．略28．(1) 略 (2)21(3)36°。
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A well B good C terrible D funny
( )11.I’m very busy from Monday to Friday. On weekends,I can’t relax,_____.
A too B either C also D or
( )12.-----You can’t listen to music in class,Tom.
A.the,the B. the, / C. /, / D. /, the
( )8.----_____is it from your home to school?
-----It’s about two kilometers.
A. How far B.How long C.How D.How much
------______,Mr.Clark.
A Sorry B Excuse me C OK D Yes
( )13.-----_____do you like koalas?
------Because they are cute.
A Why B Where C How D When
-----____, I can do it myself(我自己).
A Yes,please. B. sorry C. Very good D.No,thanks
( )5.He is not a ____man, Let’s say good ____to him.
A. luck; luck B.luck；lucky C.lucky; luck D.lucky;lucky
( )6.----Is Alice writing?
-----______.She is listening to music.
A. Yes,she is B.Yes,she does C.No,she doesn’t D.No,she isn’t
( )7.He can’t play ____volleyball, but he can play_____chess.
A relaxed;relaxing B relaxing;relaxing C relaxed;relaxed D relaxing;relaxed
( )16.Don’t do your homework in class._____the teacher,please.
A Listening B Listen to C Listening to D Listen
( )9.----Does Helen take the subway to school?
-----No, she doesn’t. She goes _____.
A by bus B take the bus C ride the bus D walk
( )10.Ice-cream usually tastes_____,so students like to eat it after school.
A staying B leaves C to leave D leaving
一．单项选择
（ ）1.He usually gets up____six o’clock____Sundays.
A at; on B on; at C at; at D on; in
( ) 2.----You can join our sports club.
----That ____exciting.
( )14.John is a good boy because he is _____late for school.
A always B never C usually D also
( )15.She looks_____because she has a _____vacation.
( )17.He often_____English with teachers.
A practice speak B practices speaking C practices speak D practice speaking
( )18.It’s easy for him_____the city.
A.listens B. sounds C. must D. be
( )3.____people are in the supermarket.
A.Hundred B.Three hundreds C.Three hundred D.Three hundred of
( )4.-