七年级数学上学期学研测
3.4合并同类项（1）
学习目标：
1、理解同类项的有关系数、项的概念。
2、运用同类项的有关系数、项的概念知识解决问题。
学习重点：理解同类项的有关系数、项的概念
一、自主学习：预习课本并回答下列问题
1、当代数式是数与字母的乘积时， 叫做这个代数式的系数，如1.5x 的系数为
2、练习：代数式2x 的系数是________；代数式-4xy 的系数________；
代数式x 的系数是________；代数式r π3
1的系数________； 代数-x 的系数是________；
二、重点研讨：
1、代数式x+2y 的项数是______,项分别_________________,它们的系数分别是_________________;
2、代数式2244b ab a +-是______ 项的和,项分别是_______________,它们的系数分别_________________
三、巩固训练：
1、写出下列单项式的系数 ①5
ab ②-4x ③-32abc ④ a ⑤ -73x 2y 3 ⑥(-2)2x 3yz ⑦31
Πab
2、分别指出下列代数式的项和各项系数
①4x 2-21
, ②a 4+b 4-a 2b 2 , ③a 6-5a 5+6a ,④-x 3-432y x +2x 2y 2
3、下列代数式分别是几项的和？每项的系数分别是什么？
（1）-2t 2+3t-10 （2）a 2-b 2+
2
ab +38
四、延伸迁移： 1、观察下列代数式：-x , 2x 2 ,-3x 3 ,4x 4
……
（1）根据你发现的规律，写出第201和202个代数式。
（2）进一步写出第 n 个 (n+1) 个代数式.
五、课堂检测：
1、代数式332xy -的系数与次数分别是（ ）
A. 2-，4
B. 6-，3
C. 2-，3
D. 8- 2、代数式2
58mn -的系数是______，23m np 的系数是______
代数式-723b
a 的系数为 。
3、代数式a 2-ab 2+b 2有 项，它们的系数分别为 。
4、代数式xy 2－1＋5x 是______项的和,项分别是_______________,它们的系数分别是_________________
5、分别指出下列多项式的项和各项系数
4x 2-21 , a 4+b 4-a 2b 2 , a 6-5a 5+6a ,-x 3-432y x +2x 2y 2
学习收获：
七年级英语期末综合测试卷(一) (时间：90分钟满分：100分) 班级_______ 姓名_______ 得分_______ 听力部分(20分) 一、根据所听内容，选出最佳答语(共5小题，每题1分，满分5分) ( )1．A．A monkey．B．A tiger．C．A kagaroo． ( )2．A．On its leg．B．On its tiptoe．C．On its nose． ( )3．A．Yes，there are．B．No，there aren’t．C．I can’t see． ( )4．A．They are eating．B．They are swimming．C．They are sleeping．( )5．A．Less than 100．B．More than 1000．C．Over 10000． 二、根据所听对话，选出最佳答案(共5小题，每小1分，满分5分) ( )6．What animal is it? A．A cat．B．A bear．C．A panda． ( )7．How tall is the man? A．2 m．B．2.3 m．C．2.1 m． ( )8．When do fish close their eyes? A．Never．B．When they are sleeping．C．sometimes． ( )9．Where does the whisper come from? A．Under the tree．B．Over the tree．C．Behind the tree． ( )10．Whose flower is it? A．Mine．B．Ann’s．C．Yours． 三、短文理解，听短文，把下列短文补充完整(每空1分，满分10分) A woman went into a_______ one evening to buy a new_______．A strange,(陌生的)man her into the shop and stood about while she was at the counter(柜台)．_______ she screamed(尖声喊叫)，and the man turned and_______ out of the shop，and right into the arms of a passing _______．Then he was caught by the policeman because he was a _______. The shopkeeper thanked her very much_______ her help．“But_______ did you know he was a robber?”asked the shopkeeper． “I didn’t know，"answered Mrs Jones．“I screamed when you told me how_______ the blouse was．” 笔试部分(80分) 一、选择填空(从A、B、C、D四个选项中，选出可以填入空白处的最佳答案，并将答案填写a-题前的方格内)(共15小题，每小题1分，满分15分) ( )1．He works in a school in Nanjing，_______ capital of Jiangsu． A．a B．the C．an D．／ ( )2．一Is this your English book?－No，it isn’t_______ is in_______ bag. A．My：mine B．Mine；my
人教版七年级上学期期末考试数学试题 一．选择题（共10小题） 1.下列各数中，比﹣1小的数是（） A. ﹣2 B. ﹣0.5 C. 0 D. 1 2.下列各式中，属于一元一次方程的是（） A. 54 3 43 x y -- -= B. 1 32 x -= C. 2y﹣1＝3y﹣32 D. x2+x＝1 3.已知单项式﹣3a m﹣1b6与1 5 ab2n是同类项，则m+n的值是（） A. 0 B. 3 C. 4 D. 5 4.下列日常现象： ①用两根钉子就可以把一根木条固定在墙上； ②把弯曲的公路改直，就能够缩短路程； ③利用圆规可以比较两条线段的大小； ④建筑工人砌墙时，经常先两端立桩拉线，然后沿着线砌墙． 其中，可以用“两点确定一条直线”来解释的现象是（） A. ①④ B. ②③ C. ①②④ D. ①③④ 5.如图是正方体的展开图，则原正方体相对两个面上的数字之和的最小值是（） A. ﹣1 B. ﹣2 C. ﹣3 D. ﹣6 6.如图，OA 的方向是北偏东15°，OC 的方向是北偏西40°，若∠AOC=∠AOB，则OB的方向是（） A. 北偏东70° B. 东偏北25° C. 北偏东50° D. 东偏北15° 7.下列等式变形正确的是（）
A. 由a＝b，得5+a＝5﹣b B. 如果3a＝6b﹣1，那么a＝2b﹣1 C. 由x＝y，得x y m m = D. 如果2x＝3y，那么 2629 55 x y -- = 8.已知甲煤场有煤518吨，乙煤场有煤106吨，为了使甲煤场存煤是乙煤场的2倍，需要从甲煤场运煤到乙煤场，设从甲煤场运煤x吨到乙煤场，则可列方程为（） A. 518=2（106+x） B. 518﹣x=2×106 C. 518﹣x=2（106+x） D. 518+x=2（106﹣x） 9.如图，下列判断正确的是（） A. a 的绝对值大于b的绝对值 B. a的绝对值小于b的绝对值 C. a的相反数大于b的相反数 D. a的相反数小于b的相反数 10.设一列数a1，a2，a3，…，a2015，…中任意三个相邻的数之和都是20，已知a2＝2x，a18＝9+x，a65＝6﹣x，那么a2020的值是（） A. 2 B. 3 C. 4 D. 5 二．填空题（共6小题） 11.﹣3的相反数是__________． 12.杭绍台高铁项目是国内首批八个社会资本投资铁路示范项目之一，也是中国首个民营控股高速铁路项目．该项目可用批复总投资预计448.9亿元，资本金占总投资的30%，其中民营联合体占股51%，其中448.9亿元用科学记数法表示为_____元． 13.多项式2a3b+3b﹣1是_____次_____项式，其中常数项为_____． 14.如图，将∠ACB沿EF折叠，点C落在C′处．若∠BFE＝65°．则∠BFC′的度数为_____． 15.当x＝1时，ax+b+1＝﹣3，则（a+b﹣1）（1﹣a﹣b）的值为_____． 16.黑板上写有1， 1 2 ， 1 6 ， 1 12 ，…， 1 9900 共100个数字，每次操作先从黑板上数中选取2个数a，b，然后删去a，b，并在黑板上写上数a+b+1，则经过_____次操作后，黑板上只剩下一个数，这个数是_____．
七年级英语上期末测试题
2013年秋季七年级英语上期末模拟测试题 第一部分听力（20分） 一、听句子，选出所听内容的最佳答语。每题读两遍。(5分） ( ) 1. A. Her name is Lily. B. His name is Tom. C. My name is Alan. ( ) 2. A. It’s red. B. It’s on the desk. C. It’s 15yuan. ( )3. A. Nice to meet you! B. Good morning. C. Fine, thank you. ( )4. A. She likes it. B. Because it’s interesting. C. No, she doesn’t. ( )5. A. Yes, they are B. Yes, these are. C. No, they are. 二、听对话和问题，选择正确的答案。每段对话念两遍。（5分） （) 6. A. A volleyball B. A soccer ball C. A basketball ( ) 7. A. Lily’s aunt B. Lily’s sister C. Lily’s mother ( ) 8. A. Brown B. Green C. Jenny
and P.E C. Math and art. 第二部分笔试（100分） 四、单项选择（15分） （）16. ——Can I help you? ——__________ A. Yes, please. B. Thank me. C. You are welcome. D. Not at all. ( ) 17. I have _____useful book. A. the B. a C. an D.\ ( ) 18. A pencil is under the chair. Is it____? A. your B. yours C. you D. her ( ) 19. ——Is this his dictionary? ——No, _______. A. it is B. it isn’t C. he isn’t D. this isn’t ( ) 20. ——Where are the balls? ——They are ______table. A. on a B. on the C. under a D. on ( ) 21. Please call me_____3345-5648______May 1st. A. at ; in B. at ; on
2013--2014年七年级英语上册期末试卷及答案（人教新目标版） 本试卷分第I卷(选择题) 和第II卷(非选择题) 两部分。第I卷1至6页；第II卷7至10页。共120分，考试时间100分钟。请考生们掌握好时间，答题时要做到自信、沉着、认真思考。 第I 卷（选择题共60分） 注意事项：请将代表选择题答案的字母代号填入第II卷中的答题表格中。 一、听力测试（共20小题，计20分） (一) 听句子，选择与句子内容相对应的图片。每个句子读两遍。 请看第一组的四幅图片，听三个句子，完成第1至第3小题。 A B C D 1. 2. 3. 请看第二组的四幅图片，听三个句子，完成第4至第6小题。
A B C D 4. 5. 6. (二) 听对话和问题，根据所听内容，选择最佳答案。对话和问题都读两遍。 7. A. Chinese. B. Math. C. English. 8. A. To watch TV. B. To go to a movie. C. To play ping-pong. 9. A. They are boring. B. They are difficult. C. They are scary. 10. A. On the dresser. B. On the table. C. In the drawer. 11. A. January fifth. B. January fifteenth. C. January fourteenth. 12. A. action movies B. thrillers C. comedies 13.A. seven dollars B. ten dollars C. nine dollars 14. A. 8796335 B. 8697335 C. 8796553 15. A. Yes, he like B. No, he doesn’t C. Yes, he doesn’t. (三) 听短文，根据短文内容，判断下列句子正误，正确的用“A”表示，不正确的用“B”表示。短文读两遍。听短文前，你们有20秒钟的时间阅读下列句子。 16. Peter is 11 years old.
七年级英语试题 本试卷分卷I和卷II两部分：卷I为选择题，卷II为非选择题。 本试卷满分为100分，考试时间为90分钟。 卷I（选择题，共80分） 注意事项：1. 答卷I前，考生务必将自己的姓名、准考证号等相关信息填写在试卷左侧密封线以内。 2. 请将卷I的所有试题答案A、B、C或D写在每一题前面的括号里，答案写在 横线上或是画对勾均为无效。 I. 单项选择（每小题1分，共20小题，计20分） 选出可以填入空白处的最佳选项。请将答案写在题前的括号里。 ( ) 1. —What’s t his in English? —It’s ________ orange. A. a B. an C. the D. / ( ) 2. I have a cat. ________ name is Mimi. A. It B. It’s C. Its D. It is ( ) 3. —Who is the girl ________ red? —She is my cousin. A. on B. in C. with D. for ( ) 4. There is some________ on the table. A. tomato B. eggs C. chicken D. banana ( ) 5. —Are these Chinese books? —Yes, ________. A. they are B. they aren’t C. they’re D. those are ( ) 6. The shoes are too small, so I want a pair. A. long B. short C. big D. small ( ) 7. —________ is your football? —It’s under the bed. A. Where B. What C. Who D. When ( ) 8. This is a picture of ________ family. A. Jenny B. Jenny’s C. Jennys’ D. Jennys ( ) 9. I don’t have a soccer ball ________ my brother has one. A. and B. so C. or D. but ( ) 10. The man over there ________ young. A. look B. looks C. looks at D. looks like ( ) 11. Hey, Frank. Here ________ two apples for you and your friend. A. is B. be C. are D. am ( ) 12. My mother wants ________ to the supermarket to buy some fruit. A. go B. to go C. goes D. going
数学七年级上学期期末测试卷 姓名:________ 班级:________ 成绩:________ 一、单选题 1 . 已知：，则的值为（） D． A．B．C． 2 . 下列计算正确的是 A．a3÷a=a2B．3a-a=2C．b2b3=b6D．(a3)4=a7 3 . 已知代数式，无论取任何值，它的值一定是（） A．正数B．非正数C．负数D．非负数 4 . 下列图案中，既是轴对称图形又是中心对称图形的是（） A．B．C． D． 5 . 下列计算正确的是（） A．B． C．D． 二、填空题 6 . x· ________________=-x7；(-a)4·(-a3)= ________________；-a2·(-a)2·(-a)3= ________________． 7 . 化简：+的结果为_____． 8 . 平行四边形，长方形，等边三角形，半圆这几个几何图形中，对称轴最多的是___________． 9 . 计算：________.
10 . 用代数式表示：与两数的平方和减去它们积的2倍__________． 11 . 若a﹣b＝1，则整式a﹣（b﹣2）的值是_____． 12 . 若代数式有意义，则x的取值范围是_________． 13 . 如图,将△ABC的各边都延长1倍至A′、B′、C′，依次连接后得到一个新△A′B′C′,若△ABC的面积为3,则△A′B′C′的面积是_______. 14 . 计算：＝______． 15 . 单项式的系数是_______,次数是________. 16 . “肥皂泡厚度约为0.0000007m”用科学记数法表示此数为_____． 17 . 当x=2017时，分式的值为__． 18 . 如图所示．将△ABC沿直线DE折叠后，使点A与点C重合，已知BC=6，△BCD的周长为15，则 AB=______． 19 . 如图，将长和宽分别是a，b的长方形纸片的四个角都剪去一个边长为x的正方形．用含a，b，x的代数 式表示纸片剩余部分的面积为______． 20 . 若与是同类项，则______.
2012---2013学年第一学期期末考试 七年级英语试题(2) II. 单项选择（30分） 1. It’ s only 5 yuan! Y ou can buy it _________ a good price. A. at B. with C. in D. on 2. We have sweaters ______ all colors _____ $ 5 each. A. at; in B. in; at C. in; for D. at; for 3.Tom is a running star. He likes __________________ for breakfast. A. eggs, banana and broccolis B. eggs, bananas and broccoli C. egg, banana and broccoli D. egg, bananas and broccoli 4. _____she_______clothes at the Huaxing Clothes Store? A. Is; buy B. Does;buys C. Do; buys D. Does; buy 5. The yellow shorts ________________ 20 yuan. A. are on sale for B. are on sales for. C. are on sale D. is on sale 6. This is _____football. Please give it to them. A. Tom and Tim B. Tom and Tim’s C. Tom’s and Tim’s 7. How much _______the pair of black pants? A. am B. is C. are 8. Edison was born _______ Feb. 11th，1879. A．at B．in C．on 9. Sunday is the _______ day of a week. A. first B. second C. last 10. Maria likes thrillers ___she doesn't like comedies. A. and B. but C. or 11. ________ kind of movies ________ Mary like? A．What, does B．What, do C．What’s, does D．Which, do 12. My brother wants ____ to the store. A. go B. to go C. goes D. going 13. That’s an ________ question. A.boring B. difficult C. interesting D. relaxing 14. These ______ only 2 dollars. They're very cheap. A. shoe is B. shoes is C. shoe are D. shoes are 15. Let’s ______ outside. A. to play B. plays C. playing D. play 16.Are you good at playing _______ guitar or _______ basketball? A. the, the B. the, a C. / , the D. the, / 17.My mother is a nurse(护士) and is good with_________________. A. child B.children C. a boy D.they 18.We are playing football. Come and _____________ us. A. join B. join in C.play D. do 19.—__________ are the drums on the floor? —Sorry, I don’t kn ow. A. Where B. What C. What about D.How much 20. Let ____ help you with your English. They are good at English. A. me B. he C. them D. they 21. —What time is it? —It's ____eight o'clock.
七年级上册英语期末试卷 时间：90分钟满分：120分 一、词汇：（20分） (A) 1.photo(复数 2.here( 反义词 3.one( 4.fifth 5.these 6.have 7. 多大岁数 9.let us (10.boy(复数 (B)) 1. Li Lei ________ (be) at school. 2. There _________ (be) some books on the desk. 3. Let's _________ (look) at the map on the wall. 4. Miss Gao is ___________ (I) teacher. 5. Where are your _____________ (box)? (C)用所给的疑问词（组）填空( 5分) what color, how, how old, where, who, 1. ---__________ are you? ---I'm 13. 2. ---__________ is the boy? ---He's my brother. 3. ---__________ is Tom? ---He's at home. 4. ---_____________ are you? ---I'm fine. 5. ---__________ is it? ---It's red. 二、单项填空（共20小题，计20分） ( )1. –Hi, Lucy. Nice to meet you. –Hi, Jim. _______. A. Fine, thank you B. Nice to meet you C. Good morning D. How do you do ( )2. –Do you know how to _______this word? –Yes, B-A-L-L. A. spell B. read C. see D. meet ( )3. –Where _______ the socks? --_______ on the bed. A. is; It’s B. are; They C. are; They’re D. is; It ( )4. This is my little sister. _______ name is Jenny, we all like_______. A. She; she B. Her; her C. She; her D. Her; she ( )5. Please _______ these books to your school. A. take B. bring C. be D. do ( )6. There is a computer _______ the desk. A. on B. in C. under D. for ( )7. I have a TV. She also _______ a TV. A. have B. has C. is D. are ( )8. This song sounds _______ , I like it. A. good B. bad C. well D. badly ( )9. –How many _______do you have？–Let me see, my father has two brothers. A. cousins B. uncles C. sister D. aunts ( )10. –_______ you _______ TV every day?—Yes, I do. A. Can; see B. Do; watch C. Is; watch D. Are; see ( )11. I like apples _______ bananas, but I don’t like pears.
特仑特补课测试卷 一.单项选择题（40分） （）1.下列哪项不是元音字母？ A. r B. e C. i （）2.下列哪项不是辅音字母？ A. u B.h C.f （）3.I ____a good boy, she ___ my sister A. Is; is. B.am; is. C. is; are ( ) 4.-What’s this? -It’s ______ orange._____ orange is yellow A.a;An B.an;A. C.an;The ( )5.I have two ________, Jack has two _____. A. tomatoes; potatos B. tomatos; potatoes C.tomatoes; potatoes ( )6.-What color is snow (雪）？ It‘s____. A.white B.black C.blue ( ）7.-Are you Gina? -______,I am. A.Not. B.Yes. C.No ( )8.Tom has some ______, they _______ big . A.box; are. B.box; is. C.boxes; are ( )9.—what color _____ your ruler? —It’s red A.am B. is C.are ( )10.The building has ______ floors,My home live the ____floor. A.twelve; nine. B.twelve; ninth C.twelfth; nine. D.twelfth; nine ( )11.There are some _______ in the kitchen. A.cat. B.mouse. C.mice ( )12.Some ________ are on the table. A.knife. B.knifes. C.knives ( )13.This is Gina and that is Kate.____ my _____ A.she’s; friends. B.They’re; friends C.They ‘re; friend ( )14.Jack likes ________ basketball A.play. B.plays C.playing ( )15.-Tom, these are my parents. -________ A.Good. B.Nice to meet to. C.I’m fine ( )16.There are many _______ on he hill . A.sheep. B.sheeps. C.sheepes ( )17.Anna is my aunt.She is my mother’s _______ A.mother. B.sister. C.daughter ( )18.—Is your watch ______ your bag? —Yes, it is A.for B. in C. of ( )19.Five ____and a set of ___are on the bed. A.photo; key. B.photos; keys. C.photos; key ( )20.—Thank you for your help,Tom —_______. A.I’m Ok. B.You ‘re welcome. C.Goodbye
七年级上学期期末试卷 地理试卷 一、选择题。（找出正确的一项，将答案填入答题卡。每小题2分，共38分） 1、下列比例尺中，最大的是（） A、一百万分之一 B、1：20000 C、1：1250 D、1：150 2、1912年，正式提出大陆漂移假说的是（） A、哥伦布 B、魏格纳 C、麦哲伦 D、达尔文 3、地球的形状是（） A、一个圆形 B、一个不规则的球体 C、一个规则的球体 D、天圆地方 4、世界上使用人数最多的语言是（） A、汉语 B、法语 C、英语 D、俄语 5、下列运河中，作为南北美洲分界线的是（） A、巴拿马运河 B、苏伊士运河 C、大运河 D、列宁运河 6、下列叙述正确的是（） A、乡村最后都发展为城市 B、聚落分为村庄和集镇两种 C 、乡村聚落的居民都集中 D、城市人口密集，居住条件相对拥挤 7、以下几种情况，指气候的有（） A、一雨成冬 B、天无三日晴 C、未来两天有雷阵雨 D、寒潮入侵 8、全球气温变化规律是（） A、随纬度增加而升高 B、不随纬度发生变化 C、由低纬度向高纬度逐渐降低 D、没有一定的规律 9、2001年12月11日，中国加入（） A、联合国 B、红十字会 C、世界贸易组织 D、北大西洋公约组织
10、目前世界上有多少国家和地区（） A、150多个 B、220多个 C、180多个 D、100多个 11、地球上没有昼夜长短变化的地方是（） A、赤道上 B、北回归线上 C、南、北极圈上 D、南回归线上 12、下列国家中，属于发展中国家的是 ( ) A、法国 B、中国 C、意大利 D、美国 13、某同学在老师指导下，实地测得某一天气温，记录如下：8时5℃，14时15℃，20时10℃，2时2℃。请问：这一天的平均气温是（） A、32℃ B、15℃ C、10℃ D、8℃ 14、下列情况中，使空气质量降低的是（） A、公园扩大了绿化面积 B、汽车增多,尾气排放增多 C、农贸市场安排合理 D、扩大交通路面 15．下列的天气符号中，表示大雨的是（） A.．B．C．D． 16、“南北关系”中的“北”是指 ( ) A、发展中国家 B、发达国家 C、资本主义国家 D、社会主义国家 17、源于中国本土的宗教是（） A、佛教 B、道教 C、基督教 D、印度教 18、世界降水量最多的地带是（） A、赤道地带 B、中纬度地带 C、回归线附近 D、两极地区 19、地球的四大洋中，面积最大的是（） A、大西洋 B、北冰洋 C、太平洋 D、印度洋
2017-2018七年级上册英语期末测试题及答案 一．单选题（15分） （）1．Tom often has ____meat with vegetables and some rice for _____dinner every day. A．/ ; / B．a; the C．an; the D．an; the （）2．"11:45" means “_________” A．a quarter past twelve B．eleven past forty-five C．a quarter to twelve D．forty-five past eleven （）3. Linda would like ___ the park with her parents today. A. to go to B. going C. goes D. go to （）4. Would you like _________? Yes, a glass of orange juice, please. A. something drink B.anything to drink C. anything drink D. something to drink （）5.Does Tom speak English______? ---Yes, his English is very_______. He always help me with it. A. good; good; B. good; well C. well ; well D. well ; good （）6. How many ________would you like? --- Two, please. A. glasses of milks B. glass of milks C. glasses of milk D. glass of milk （）7. I can speak English and _________Chinese. A. a few B. a little C. many C. a lot （）8. Help ________to some coffee, kids. --Thank you. A. you B. your C. yourself D. yourselves （）9. Is this your red pen? ---No, it isn’t. The blue one is ________. A. her B. mine C. me D. his （）10 How about ______ a pair of gloves for your mother in winter? A. giving B. to buy C. buying D. showing （）11.______________________?
初一英语第二学期期末测试卷(1) （满分：100分时间：90分钟） 一、单项选择(每小题1分,共15分) ( )1. My favourite T-shirt _______me about 100 yuan A uses B. costs C. spends D. pays ( )2. - When did you start to go to school? -_______. A. Two months B. In two months C. After two months D. Two months ago ( )3. -_______do you take your dog for a walk every day, Li Lei? -Once a day. A. How often B. How many times C. How long D. How much ( )4. I didn't have _______to say, so I said _______. A. something; anything B. anything; something C. anything; nothing D. nothing; anything ( )5. Jack's bag is different _______mine. A to B. with C. from D. for ( )6. _______interesting the information is! A. Howa B. What an C. How D. What ( )7. Simon hears his neighbour _______ for help on the street. A. calls B. call C. to called D. calling ( )8. _______ you afraid of _______late for school? A. Are; being B. Are; be C. Do; being D. Do; be ( )9. When the house is on fire, the firemen let people_______ the fire. A. keep away from B. keeping away from C. go into D. to keep away from ( )10.An old friend of my sister's always helps my brother and ______ with______ lessons. A me; our B. me; ourselves C. I; my D. I; our ( )11. Jack enjoys _______basketball but he wants _______football after school. A. to play; playing B. to play; to play C. playing; playing D. playing; to play ( )12. April is ill _______. Let's _______ her this afternoon. A. in the hospital; go to see B. in hospital; go and see C. in hospital; to go and to see
七年级2017年12月份月考测试题 数 学 时间：120分钟 满分：130分 一、精心选一选，旗开得胜（本大题共10道小题，每小题3分，共30分） 1． 3 - 的相反数是 （ ） A. 3- B. 1 3 - C. 13 D. 3 2.计算2 234x x -+的结果为 （ ） A. 27x - B. 27x C. 2x - D. 2x 3. 代数式x+2与代数式2x ﹣5的值互为相反数，则x 的值为（ ） A ．7 B ．﹣7 C ．﹣1 D ．1 4．下列说法正确的是 （ ） A. 一个平角就是一条直线 B. 连接两点间的线段，叫做这两点的距离 C. 两条射线组成的图形叫做角 D. 经过两点有一条直线，并且只有一条直线 5.下列立体图形中是圆柱的是 （ ） A B C D 6.据统计，1959年南湖革命纪念馆成立以来，约有2500万人次参加了南湖红船（中共一大会址）.数2500万用科学计数法表示为 （ ） A. 82.510? B. 72.510? C. 62.510? D. 62510? 7. 规定一种新的运算“∮”，对于任意有理数a ，b ，满足a ∮b=a+b ﹣ab ，则3∮2的运算结果是（ ） A ．6 B ．﹣1 C ．0 D ．1 8.某船顺流航行的速度为20km/h ，逆流航行的速度为16km/h ，则水流的速度为 （ ） A. 2km/h B.4km/h C. 18km/h D. 36km/h 9.商场将某种商品按标价的八折出售，仍可获利90元，若这种商品的标价为300元，则该商品的进价为 （ ） A. 330元 B. 210元 C. 180元 D. 150元
新目标人教版七年级英语上册期末测试题 （总分：120分时间：120分钟） 姓名_______ 班级______ 分数_______ 一. 单项选择（共15分） ( ) 1. ---What color is the bike? ---It’s _______ orange. A. an B. a C. / D. the ( ) 2. That isn’t her bag. It’s ________. A. my B. I C. mine D. me ( ) 3. ---________ is your favorite subject? --- Science. A. What B. Where C. Which D. How ( ) 4. ---________ is the toy? ---It’s on the bed. A. Who B. Where C. What D. Whose ( ) 5. The shoes are too old. Put ________ over there. A. it B. they C. their D. them ( ) 6. ---Whose jacket is this? ---It’s _________. A. Lucy B. Lucy’s C. Jim D. Jims ( ) 7. The coat _______ purple is his sister’s. A. at B. in C. on D. with ( ) 8. There are many ________ in our school. A. woman teachers B. woman teacher C. women teacher D. women teachers ( ) 9. ---How much ______the trousers? ---________$20. A.is, it is B is,they’re C. are, they aren’t D.are,They are ( ) 10、That is ______ pen. _______ pen is on the desk. A. my, Her B. I , Hers C. mine, Her D. her, I ( ) 11、—— Dad, this is my friend, Tom. —— ____________ . A. How are you? B. Nice to meet you ! C. Are you good ? D. Thank you ( ) 12. There _______ some books and a pencil on the desk. A. am B. is C. are D. be ( ) 13. ______ old man is ______ English teacher. A. The; an B. An; an C. The; the D. A; a ( ) 14. ---What _____ your father ____? --- Chicken. A. do like B. is likes C. are like D. does like ( ) 15. --Happy birthday,Tom! --______________. A..Great! B.Tank you! C.It’s Ok. D.The same to you