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2024年6月GESP编程能力认证C++等级考试七级真题(含答案)

2024年6月GESP编程能力认证C++等级考试七级真题(含答案)一、单选题（每题2分，共30分）。

1. 下列C++代码的输出结果是（）。

2. 对于如下图的二叉树，说法正确的是（）。

A. 先序遍历是132。

B. 中序遍历是123。

C. 后序遍历是312。

D. 先序遍历和后序遍历正好是相反的。

3. 已知两个序列s1={1,3,4,5,6,7,7,8,1}、s2={3,5,7,4,8,2,9,5,1}，则它们的最长公共子序列是（）。

4. 关于序列{2,7,1,5,6,4,3,8,9}，以下说法错误的是（）。

A. {2,5,6,8,9}是它的最长上升子序列。

B. {1,5,6,8,9}是它的最长上升子序列。

C. {7,5,4,3}是它的最长下降子序列。

D. {1,5,6,8,9}是它的唯一最长上升子序列。

5. 关于图的深度优先搜索和广度优先搜索，下列说法错误的是（）。

A. 二叉树是也是一种图。

B. 二叉树的前序遍历和后序遍历都是深度优先搜索的一种。

C. 深度优先搜索可以从任意根节点开始。

D. 二叉树的后序遍历也是广度优先搜索的一种。

6. 对于如下二叉树，下面访问顺序说法错误的是（）。

A. HDEBFIGCA不是它的后序遍历序列B. ABCDEFGHI是它的广度优先遍历序列C. ABDHECFGI是它的深度优先遍历序列D. ABDHECFGI是它的先序遍历序列7. 以下哪个方案不能合理解决或缓解哈希表冲突（）。

A. 丢弃发生冲突的新元素。

B. 在每个哈希表项处，使用不同的哈希函数再建立一个哈希表，管理该表项的冲突元素。

C. 在每个哈希表项处，建立二叉排序树，管理该表项的冲突元素。

D. 使用不同的哈希函数建立额外的哈希表，用来管理所有发生冲突的元素。

8. 在C++中，关于运算符&，下面说法正确的是（）。

9. 下面关于图的说法正确的是（）。

A. 在无向图中，环是指至少包含三个不同顶点，并且第一个顶点和最后一个顶点是相同的路径。

Unit 4 错题精编 2020-2021学年牛津译林版英语七年级下册(含答案)

7BU4错题精编一、选择1.—________ go out for a picnic next Saturday?—Good idea.A.Why notB.How aboutC.Would you like toD.Let’s2.Stand over there, and you _________ it better.A.seeB.seesC.sawD.will see3.—What do you think of your school trip, Kitty?—_________. We will have another trip next week.A.Thank youB.Not at allC.Not badD.I don’t like it4.Jane doesn’t want to sit ________ Jack. She says Jack likes to play with her hair.A.in the front ofB.in front ofC.behindD.in the front5.—Excuse me, where is the hospital?—Walk ________ the street, then ________ right, and you will see it.A.to; turningB.along; turnC.to; turnsD.along; turns6.—Our teacher looks ________ today.—Yes. She is laughing ________ now.A.happy; happilyB.happy; happyC.happily; happilyD.happily; happy7.I can’t ind my key. I’ll ________ open the door ________ a knife.A.have to; useB.can; withC.have to; withD.can; use8.Shanghai is ________ the east of China and ________ the south of Anhui.A.in; toB.to; inC.in; inD.to; to9.Be sure ________ my greeting s to your mother.A.to sendB.sendingC.sendD.for sending10.There ________ a football match this eveing.A.is going to haveB.will haveC.is going to beD.will be have11.I’m ________ her. But I can ________ nothing.A.listening; hearB.listening to; hearC.hearing; listen toD.listening to; listen to12.—Do you think Tom can be a member of the Drawing Club?—We need to talk about it. Not ________ can be a member of us.A.somebodyB.noneC.everybodyD.nobody13.—________ was your trip to the zoo?—________.A.What; Not badB.How; Not badC.What; Very wellD.How; Very well14.The cat ran ________ the open window quickly when the boy tried to catch it.A.acrossB.crossC.throughD.along15.She is too tired to keep her eyes ________.A.openingB.openedC.to openD.open16.—Is your school ________ your home?—No, only a kilometre ________.A.far away from; farB.away from; awayC.far from; awayD.away from; farng Lang is ________ famous pianist. He plays ________ piano ever well.A.a；theB.the；theC.the；/D.a；/18.—Kate, are you ________ only child in your family?—Yes, but ________ new baby is on the way.A.the；aB.an；theC.a；theD.the；the19.—Will you have time ________ Saturday morning?—Yes, I’m free.A.inB.atC.onD.out20.—Never give the monkeys any hot food again.—________.A.Sorry, I won’tB.Yes, I will.C.No, I don’tD.Yes, I do.21.—Mum, do those birds play with the pandas?—No, they don’t. Pandas are cute, but they are ________, too.A.friendlyB.quietC.interestingD.dangerous22.There are some stops on ________ side of the road.A.otherB.the otherC.anotherD.others二、词汇1.They are ________ (full of fear) that the policeman will catch them.2.No.1 ________ (地铁)has been run for nearly four years.3.My little sister is afraid of ________ (go) out alone at night.4.Go and tell your father that he ________ (not have) to come back home early this evening.5._________（长颈鹿）are lovely animals with quite long necks.6.You must look left and right before you _________ （穿过）the road.7.Zhao Benshan comes from _________（东北）of China.8.Don’t make a _________ （声音）like a clock.9.Look, there’s a cat _________(lie) on the grass. It’s enjoying the sun.10.The mobile phone must be one of the _________(visit). Let’s go and ask them.11.On Sundays lots of children go to the zoo _________ (see) the baby panda.12.Boy, _________ (not feed) the birds in the cage. Can’t you see the sign?13.She walked in, with the rest of the boys ________（跟随）closely behind.14.You can try a different way. All ________（路）lead to Rome.15.Some wild animals are in ________ （危险）as the earth is getting warmer and warmer.16.I make faces to make the baby ________ (laugh).17.These wild animals are through ________(forest) and fields now.18.Take the third c________ on the right.19.Several men are standing at the c________, talking to some police officers.20.This museum has many art ________（宝藏）.21.There is less t________ in this area than in Nanjing.22.—Are the ________（灯）on the wall beautiful?—Yes, I think so.23.—Do you walk ________（过）the market on your way home?—Yes, I often buy things in it.24.Could you tell me how ________(get) to the shopping mall?25.Go ________ the road and then you’ll see the bookshop ________ your right.26.—Mum, let’s take a taxi to the theater.—Don’t worry, dear. We have ________(充足)of time to get there.27.The sun is rising ________(在……上面)the sea. How beautiful it is!28.I’m very happy ________(invite) you to our party.29.________(not look) out of the window in class, Jim.30.Get up early, and you ________(not be) late.31.Mr Wang always makes Tim________(do) his homework alone.32.My sister likes to hear birds ________ (sing).三、完成句子1.顺着这条小路下去，半个小时你就会到达山脚下。

人教版七年级上册英语 Unit 7单元测试卷(Word版,含答案)

人教版七年级上册英语Unit 7单元测试卷Unit 7 How much are these pants?第Ⅰ部分听力部分（满分20分）第Ⅱ部分笔试部分（满分100分）Ⅰ. 根据句意和汉语或首字母提示补全单词(每小题1分，共10分)1. How much are these ________(黄色的) backpacks?2. Anybody can ________(买得起) our prices.3. How much are these ________(短裤)?4. You can buy ________(短袜) for only ￥3.5. Come to Huanghe Clothes Store. All the clothes are at a very good ________(价格).6. The books on s________ are very interesting.7. Come and see for y________ at our store.8. Nine and eleven is t________.9. Your T-shirt is l________, but my T-shirt is short.10. —How much is the sweater?—It is twelve d________.Ⅱ. 单项选择(每小题1分，共15分)1. How much ________ these black socks?A. isB. areC. beD. has2. —________ is your jacket？—It’s red.A. What sizeB. WhatC. How muchD. What color3. —How much ________ this sweater?—________ eighty dollars.A. are; They areB. are; It’sC. is; It’sD. is; They are4. Jim ________ a pair of shoes and a T-shirt.A. haveB. hasC. areD. is5. The yellow shorts ________ 15 yuan.A. are on sale forB. is on saleC. is on sale forD. are on sale6.—I want that bag.—________.A. Here you areB. Here are youC. Give youD. You are here7.You don’t believe it? Come and see________.A. in yourselfB. of yourselfC. on yourselfD. for yourself8.—Thank you very much.—________.A. All right.B. Here it is.C. That’s rightD. You are welcome.9. —Can I help you?—________. I want a sweater.A. No, notB. Don’t help meC. Yes, pleaseD. Yes, help me10. The red sweater is only 15 ________.A. dollarB. dollarsC. dollaresD. yuans11.________ boys , you can buy shoes for only ¥30.A. ForB. InC. AboutD. To12. The boy ________ red is my brother.A. inB. onC. ofD. at13.—________ is that T-shirt?—It’s $ 9.A. What colorB. How manyC. WhatD. How much14. Please have a look ________ the hat.A. /B. forC. atD. about15. The price of the socks ________ 10 yuan.A. areB. isC. doesD. canⅢ. 句型转换(每小题2分，共10分)1. The store sells clothes.(改为否定句)2. We have T-shirts in red.(改为一般疑问句)______________________________________________3. We sell socks. The socks are only$18.(合并为一句)______________________________________________4. These pants are 20 dollars.（对划线部分提问）______________________________________________5. I want those black shoes.(对划线部分提问)______________________________________________Ⅳ. 根据汉语提示完成下列句子(每小题2分，共10分)1. Let’s ________ ________ ________ ________(看一看) Zig Zag’s clothes Store.2. Black hats are ________ ________(出售).3. Come and ________ ________ ________(亲自看一看) at Hua xing Clothes store!4. We have sweaters at ________ ________ ________(价格优惠的).5. Lisa ________ a white skirt ________ me(把……卖给……).Ⅴ. 完形填空(每小题1分，共10分)My name is Mary. I have 1 clothes. I like 2 very much. This is my skirt. 3 blue. I buy it 4 Zig Zag’s Clothes Store. It’s 18 5 . Please look at my 6 . They are red. 7 only 8 10. I buy 9 from Huaxing Clothes Store. 10 my clothes nice ?I like them very much.1. A. lot of B. lots of C. a lot D. a lots of2. A. it B. they C. them D. its3. A. It’s B. It C. Its D. They4. A. from B. on C. to D. of5. A. dollar B. dollars C. yuans D. ¥6. A. pant B. pantes C. pants D. a pant7. A. They B. They’re C. It D. It’s8. A.$ B. dollar C. dollars D. yuan9. A. they B. it C. them D. their10. A.Do B. Does C. Is D. AreⅥ. 阅读理解(每小题2分，共20分)A1. Which is the cheapest(便宜的）of all?A. hat.B. T-shirt.C. pants.D. socks.2. How much are two sweaters and a hat?A. $14.B. $20.C. $21.D. $22.3. You can buy ________in Mason’s Clothes Store.A. black pantsB. a blue sweaterC. a green hatD. red socks4. You like red and you only have $6. You can buy ________.A. a sweaterB. a hatC. a T-shirtD. none (全无)5. You only have sixteen dollars. You can buy ________.A. a sweater and a pair of pantsB. two T-shirts and a pair of socksC. two sweatersD. a sweater and two hatsBThis is a shop. It’s next to our school. The shop is small, but it sells a lot of things. You can buy fruit and school things like pens, pencils, rulers and notebooks here. The pen is $15. The ruler is$2. The notebook is$5.根据短文内容回答问题。

人教版英语七年级上册Unit7测试试卷(含答案)(1)

人教版英语七年级上册Unit 7·一、选择填空（15小题，每小题1分，共15分）从A、B、C、D四个选项中选出一个最佳答案。

1．—________do you go to the school Reading Club?—Every Saturday afternoon.A．How often B．How long C．How many D．How much 2．—________ is the football?—Twenty yuan.A．How many B．How much C．What D．Where 3．—What’ s it in the beautiful box?—A silk tie. How soft it ________ !A．shows B．feels C．looks D．smells 4．My friends and I ________ from China.A．are all B．all are C．come all D．are all come 5．—These shoes look cool. ________ are they?—They are on sale, only $69.A．How much B．How long C．How many D．How far 6．This book is very interesting. You can ________ it now.A．watch B．read C．see D．look 7．What’s eleven and one? It’s ________.A．seven B．fifteen C．twelve D．thirteen 8．— Mr Wang often ________ a blue jacket at school.— Yes, I like his blue jacket.A．puts on B．dresses C．sells D．wears 9．My brother does ________ homework every day.A．many B．any C．much D．a lots of 10．My grandparents like ________ TV in the evening.A．watching B．seeing C．looking D．looking at11．How many ________ are there?A．bags B．bag C．boy D．girl12．—I want to take this black jacket.—OK. ________.A．You’re welcome B．Thank you very much C．Here you areD．Let’s go13．Frank really ________ nice in this blue T-shirt.A．sounds B．sells C．takes D．looks 14．—This pair of trousers is short. Do you have a ________ one?—Yes. How about this one?A．small B．big C．long D．tidy 15．Come and buy your skirts at our great sale. You can buy a skirt ________ only 25 dollars.A．for B．in C．on D．at二、完形填空（10小题，每小题1分，共10分）先通读短文，掌握其大意，然后从A、B、C、D四个选项中选出一个可以填入相应空白处的最佳答案。

人教版数学七年级下学期期末总复习第7章《平面直角坐标系》易错题汇编(附解析)

第7章《平面直角坐标系》易错题汇编一．选择题（共10小题）1．在平面直角坐标系的第二象限内有一点M，点M到x轴的距离为3，到y轴的距离为4，则点M 的坐标是（）A．（3，﹣4）B．（4，﹣3）C．（﹣4，3）D．（﹣3，4）2．在平面直角坐标系中，将点A（1，﹣2）向上平移3个单位长度，再向左平移2个单位长度，得到点B，则点B的坐标是（）A．（﹣1，1）B．（3，1）C．（4，﹣4）D．（4，0）3．如图，在平面直角坐标系中，已知点A（2，1），点B（3，﹣1），平移线段AB，使点A落在点A1（﹣2，2）处，则点B的对应点B1的坐标为（）A．（﹣1，﹣1）B．（1，0）C．（﹣1，0）D．（3，0）4．若点A（a+1，b﹣2）在第二象限，则点B（﹣a，1﹣b）在（）A．第一象限B．第二象限C．第三象限D．第四象限5．点P的坐标为（2﹣a，3a+6），且到两坐标轴的距离相等，则点P的坐标为（）A．（3，3）B．（3，﹣3）C．（6，﹣6）D．（3，3）或（6，﹣6）6．在平面直角坐标系中，点P（m﹣3，4﹣2m）不可能在（）A．第一象限B．第二象限C．第三象限D．第四象限7．如图，线段AB经过平移得到线段A′B′，其中点A，B的对应点分别为点A′，B′，这四个点都在格点上．若线段AB上有一个点P（a，b），则点P在A′B′上的对应点P′的坐标为（）A．（a﹣2，b+3）B．（a﹣2，b﹣3）C．（a+2，b+3）D．（a+2，b﹣3）8．如图，A，B的坐标为（2，0），（0，1），若将线段AB平移至A1B1，则a+b的值为（）A．2B．3C．4D．59．如图，矩形BCDE的各边分别平行于x轴或y轴，物体甲和物体乙分别由点A（2，0）同时出发，沿矩形BCDE的边作环绕运动，物体甲按逆时针方向以1个单位/秒匀速运动，物体乙按顺时针方向以2个单位/秒匀速运动，则两个物体运动后的第2012次相遇地点的坐标是（）A．（2，0）B．（﹣1，1）C．（﹣2，1）D．（﹣1，﹣1）10．如图，在平面直角坐标系中，将△ABO沿x轴向右滚动到△AB1C1的位置，再到△A1B1C2的位置……依次进行下去，若已知点A（4，0），B（0，3），则点C100的坐标为（）A．（1200，）B．（600，0）C．（600，）D．（1200，0）二．填空题（共4小题）11．若第二象限内的点P（x，y）满足|x|＝3，y2＝25，则点P的坐标是．12．已知点A（m，﹣2），B（3，m﹣1），且直线AB∥x轴，则m的值是．13．已知点A（3a+5，a﹣3）在二、四象限的角平分线上，则a＝．14．如图，在平面直角坐标系中，有若干个横坐标分别为整数的点，其顺序按图中“→”方向排列，如（1，0），（2，0），（2，1），（1，1），（1，2），（2，2）…根据这个规律，第2012个点的横坐标为．三．解答题（共2小题）15．如图，在直角坐标系中，△ABC满足，∠C＝90°，AC＝4，BC＝2，点A、C分别在x、y轴上，当A点从原点开始在x轴正半轴上运动时，点C随着在y轴正半轴上运动．（1）当A点在原点时，求原点O到点B的距离OB；（2）当OA＝OC时，求原点O到点B的距离OB．16．在平面直角坐标系中，点M的坐标为（a，﹣2a）．（1）当a＝﹣1时，点M在坐标系的第象限；（直接填写答案）（2）将点M向左平移2个单位，再向上平移1个单位后得到点N，当点N在第三象限时，求a 的取值范围．试题解析1．在平面直角坐标系的第二象限内有一点M，点M到x轴的距离为3，到y轴的距离为4，则点M 的坐标是（）A．（3，﹣4）B．（4，﹣3）C．（﹣4，3）D．（﹣3，4）解：由题意，得x＝﹣4，y＝3，即M点的坐标是（﹣4，3），故选：C．2．在平面直角坐标系中，将点A（1，﹣2）向上平移3个单位长度，再向左平移2个单位长度，得到点B，则点B的坐标是（）A．（﹣1，1）B．（3，1）C．（4，﹣4）D．（4，0）解：∵将点A（1，﹣2）向上平移3个单位长度，再向左平移2个单位长度，得到点B，∴点B的横坐标为1﹣2＝﹣1，纵坐标为﹣2+3＝1，∴B的坐标为（﹣1，1）．故选：A．3．如图，在平面直角坐标系中，已知点A（2，1），点B（3，﹣1），平移线段AB，使点A落在点A1（﹣2，2）处，则点B的对应点B1的坐标为（）A．（﹣1，﹣1）B．（1，0）C．（﹣1，0）D．（3，0）解：由点A（2，1）平移后A1（﹣2，2）可得坐标的变化规律是：左移4个单位，上移1个单位，∴点B的对应点B1的坐标（﹣1，0）．故选：C．4．若点A（a+1，b﹣2）在第二象限，则点B（﹣a，1﹣b）在（）A．第一象限B．第二象限C．第三象限D．第四象限解：∵点A（a+1，b﹣2）在第二象限，∴a+1＜0，b﹣2＞0，解得：a＜﹣1，b＞2，则﹣a＞1，1﹣b＜﹣1，故点B（﹣a，1﹣b）在第四象限．故选：D．5．点P的坐标为（2﹣a，3a+6），且到两坐标轴的距离相等，则点P的坐标为（）A．（3，3）B．（3，﹣3）C．（6，﹣6）D．（3，3）或（6，﹣6）解：∵点P的坐标为（2﹣a，3a+6），且到两坐标轴的距离相等，∴|2﹣a|＝|3a+6|，∴2﹣a＝±（3a+6）解得a＝﹣1或a＝﹣4，即点P的坐标为（3，3）或（6，﹣6）．故选：D．6．在平面直角坐标系中，点P（m﹣3，4﹣2m）不可能在（）A．第一象限B．第二象限C．第三象限D．第四象限解：①m﹣3＞0，即m＞3时，﹣2m＜﹣6，4﹣2m＜﹣2，所以，点P（m﹣3，4﹣2m）在第四象限，不可能在第一象限；②m﹣3＜0，即m＜3时，﹣2m＞﹣6，4﹣2m＞﹣2，点P（m﹣3，4﹣2m）可以在第二或三象限，综上所述，点P不可能在第一象限．故选：A．7．如图，线段AB经过平移得到线段A′B′，其中点A，B的对应点分别为点A′，B′，这四个点都在格点上．若线段AB上有一个点P（a，b），则点P在A′B′上的对应点P′的坐标为（）A．（a﹣2，b+3）B．（a﹣2，b﹣3）C．（a+2，b+3）D．（a+2，b﹣3）解：由题意可得线段AB向左平移2个单位，向上平移了3个单位，则P（a﹣2，b+3）故选：A．8．如图，A，B的坐标为（2，0），（0，1），若将线段AB平移至A1B1，则a+b的值为（）A．2B．3C．4D．5解：由B点平移前后的纵坐标分别为1、2，可得B点向上平移了1个单位，由A点平移前后的横坐标分别是为2、3，可得A点向右平移了1个单位，由此得线段AB的平移的过程是：向上平移1个单位，再向右平移1个单位，所以点A、B均按此规律平移，由此可得a＝0+1＝1，b＝0+1＝1，故a+b＝2．故选：A．9．如图，矩形BCDE的各边分别平行于x轴或y轴，物体甲和物体乙分别由点A（2，0）同时出发，沿矩形BCDE的边作环绕运动，物体甲按逆时针方向以1个单位/秒匀速运动，物体乙按顺时针方向以2个单位/秒匀速运动，则两个物体运动后的第2012次相遇地点的坐标是（）A．（2，0）B．（﹣1，1）C．（﹣2，1）D．（﹣1，﹣1）解：矩形的长宽分别为4和2，因为物体乙是物体甲的速度的2倍，时间相同，物体甲与物体乙的路程比为1：2，由题意知：①第一次相遇物体甲与物体乙行的路程和为12×1，物体甲行的路程为12×＝4，物体乙行的路程为12×＝8，在BC边相遇；②第二次相遇物体甲与物体乙行的路程和为12×2，物体甲行的路程为12×2×＝8，物体乙行的路程为12×2×＝16，在DE边相遇；③第三次相遇物体甲与物体乙行的路程和为12×3，物体甲行的路程为12×3×＝12，物体乙行的路程为12×3×＝24，在A点相遇；…此时甲、乙回到原出发点，则每相遇三次，两点回到出发点，∵2012÷3＝670…2，故两个物体运动后的第2012次相遇地点的是：第二次相遇地点，即物体甲行的路程为12×2×＝8，物体乙行的路程为12×2×＝16，在DE边相遇；此时相遇点的坐标为：（﹣1，﹣1），故选：D．10．如图，在平面直角坐标系中，将△ABO沿x轴向右滚动到△AB1C1的位置，再到△A1B1C2的位置……依次进行下去，若已知点A（4，0），B（0，3），则点C100的坐标为（）A．（1200，）B．（600，0）C．（600，）D．（1200，0）解：根据题意，可知：每滚动3次为一个周期，点C1，C3，C5，…在第一象限，点C2，C4，C6，…在x轴上．∵A（4，0），B（0，3），∴OA＝4，OB＝3，∴AB＝＝5，∴点C2的横坐标为4+5+3＝12＝2×6，同理，可得出：点C4的横坐标为4×6，点C6的横坐标为6×6，…，∴点C2n的横坐标为2n×6（n为正整数），∴点C100的横坐标为100×6＝600，∴点C100的坐标为（600，0）．故选：B．11．若第二象限内的点P（x，y）满足|x|＝3，y2＝25，则点P的坐标是（﹣3，5）．解：∵|x|＝3，y2＝25，∴x＝±3，y＝±5，∵第二象限内的点P（x，y），∴x＜0，y＞0，∴x＝﹣3，y＝5，∴点P的坐标为（﹣3，5），故答案为：（﹣3，5）．12．已知点A（m，﹣2），B（3，m﹣1），且直线AB∥x轴，则m的值是﹣1．解：∵点A（m，﹣2），B（3，m﹣1），直线AB∥x轴，∴m﹣1＝﹣2，解得m＝﹣1．故答案为：﹣1．13．已知点A（3a+5，a﹣3）在二、四象限的角平分线上，则a＝﹣．解：∵点A（3a+5，a﹣3）在二、四象限的角平分线上，∴3a+5+a﹣3＝0，∴a＝﹣．故答案为：﹣．14．如图，在平面直角坐标系中，有若干个横坐标分别为整数的点，其顺序按图中“→”方向排列，如（1，0），（2，0），（2，1），（1，1），（1，2），（2，2）…根据这个规律，第2012个点的横坐标为45．解：根据图形，以最外边的矩形边长上的点为准，点的总个数等于x轴上右下角的点的横坐标的平方，例如：右下角的点的横坐标为1，共有1个，1＝12，右下角的点的横坐标为2时，共有4个，4＝22，右下角的点的横坐标为3时，共有9个，9＝32，右下角的点的横坐标为4时，共有16个，16＝42，…右下角的点的横坐标为n时，共有n2个，∵452＝2025，45是奇数，∴第2025个点是（45，0），第2012个点是（45，13），所以，第2012个点的横坐标为45．故答案为：45．15．如图，在直角坐标系中，△ABC满足，∠C＝90°，AC＝4，BC＝2，点A、C分别在x、y轴上，当A点从原点开始在x轴正半轴上运动时，点C随着在y轴正半轴上运动．（1）当A点在原点时，求原点O到点B的距离OB；（2）当OA＝OC时，求原点O到点B的距离OB．解：当A点在原点时，AC在y轴上，BC⊥y轴，所以OB＝AB＝＝2；（2）当OA＝OC时，△OAC是等腰直角三角形AC＝4，OA＝OC＝2．过点B作BE⊥OA于E，过点C作CD⊥OC，且CD与BE交于点D，∵∠2+∠ACD＝90°，∠3+∠ACD＝90°，∴∠2＝∠3，∵∠1＝∠2＝45°，∴∠3＝45°，∴△CDB是等腰直角三角形，∵CD＝BD，BC＝2，CD＝BD＝．BE＝BD+DE＝BD+OC＝3，OB＝＝2．16．在平面直角坐标系中，点M的坐标为（a，﹣2a）．（1）当a＝﹣1时，点M在坐标系的第二象限；（直接填写答案）（2）将点M向左平移2个单位，再向上平移1个单位后得到点N，当点N在第三象限时，求a 的取值范围．解：（1）当a＝﹣1时点M的坐标为（﹣1，2），所以M在第二象限．故答案为：二；（2）将点M向左平移2个单位，再向上平移1个单位后得到点N，点M的坐标为（a，﹣2a），所以N点坐标为（a﹣2，﹣2a+1），因为N点在第三象限，所以，解得＜a＜2，所以a的取值范围为＜a＜2．。

人教版七年级英语上册Unit 7 综合素质评价含答案

人教版七年级英语上册Unit 7 综合素质评价(限时: 120分钟满分: 120分)第一部分(听力共30 分)I. 听选答案(共15 小题, 计20 分)第一节: 听下面10 段对话,每段对话后有一个问题, 读两遍。

请根据每段对话的内容和后面的问题, 从所给的三个选项中选出问题的正确答案。

(共10 小题, 计10 分)( ) 1. A. Yellow shorts. B. Blue trousers. C. Yellow T-shirts. ( ) 2. A. His mother. B. His sister. C. His daughter. ( ) 3. A. August. B. March. C. May.( ) 4. A. 12. B. 14. C. 18.( ) 5. A. On July 7th. B. On May 7th. C. On April 7th. ( ) 6. A. On September 29th. B. On October 3rd. C. On December 3rd. ( ) 7. A. The book sale. B. The school trip.C. The volleyball game.( ) 8. A. 14 dollars. B. 20 dollars. C. 30 dollars.( ) 9. A. On February 24th. B. On March 24th. C. On April 24th. ( ) 10. A. Edwin’s grandma. B. Edwin’s grandpa. C. Edwin’s father.第二节: 听下面两段材料, 包括一篇独白和一段对话,每段材料后有几道小题。

请根据材料的内容, 从题目所给的三个选项中选出问题的正确答案。

每段材料读两遍。

(共5 小题, 计10 分)听第1 段材料, 回答第11、12 小题。

人教版七年级英语Unit 7单元测试题(含答案)

人教版七年级英语Unit 7单元测试题（含答案)一、单项选择1. —How much ________ Cindy's trousers？—________ 12 dollars.A. are；They'reB. is；It'sC. do；That'sD. does；This is2. —Where is your English teacher？—She is in ________.A. Two RoomB. the Two RoomC. Rooms TwoD. Room Two3. —Can I help you？3.—________A. You can.B. Yes, please. I want a pen.C. You're welcome.D. I can.4. Does he want ________ that white T-shirt?A. to buyB. buysC. buyD. bought5. We sell all our sweaters ________ very good prices and we have green sweaters________only $20.A. at；onB. at；forC. for；atD. for；on6. These ________ are too small. I want to take that pair.A. socksB. backpackC. shortD. shoe7. I like the red hat but my brother ________.A. don'tB. doesn'tC. doesD. do8. The blue shorts ________ 18 yuan.A. are on saleB. are on sale forC. are on sell forD. is on sell9. —Mum, I want to buy an iPhone 5s for a change(改变).—Well, I think there is no ________. It's almost the same as an iPhone 4s.A. reasonB. needC. answerD. way10. —Does she ________ you？—Yes, she ________.A. helps；doB. help；doesC. helps；doesD. help；do11. —Good morning, sir! ________？—I'd like to buy a sweater for my daughter.A. What can I do for youB. What are you doingC. How about the sweaterD. Can you help me12. This sweater is too big. I want a ________ one.A. longB. shortC. smallD. nice13. —________is the CD？—Only nine dollars.A. WhatB. How muchC. HowD. Where14. —This yellow T-shirt ________ nice. May I try it on？—Sure.A. look atB. lookC. looksD. see15. This pair of shoes ________ beautiful, but the shoes ________ expensive(贵的).A. are；areB. is；areC. is；isD. are; is二、完形填空Peter is a healthy boy. He ________(16) sports with his friends every day. It is fun________(17) him. He likes wearing ________(18), but he doesn't like washing them. So he buys ________(19) T-shirts. Each day he wears a different one, and he doesn't ________(20)to wash every night. Three of them are ________(21), three are yellow and one is green. And ________(22)favorite is the green one. The T-shirts are all ________(23) Lisa's Store. Each T-shirt is sold at a good ________(24). Lisa's Store is ________(25), but Peter likes it very much.16. A. takes B. plays C. makes17. A. for B. at C. of18. A. T-shirts B. shorts C. trousers19. A. one B. seven C. a20. A. must B. can C. need21. A. white B. different C. same22. A. he B. his C. her23. A. from B. in C. for24. A. sale B. sell C. price25. A. small B. good C. nice三、阅读理解AOn Saturday, Sally wants to buy a sports bag, so she goes to a store. There are big bags and small bags at that store. The big one is 35 dollars. It's very dear！The small one is 15 dollars. It's cheap！Because Sally likes red, she takes a small red bag. 根据短文内容判断正(T)误(F)。

人教版七年级英语上册UNIT 7 培优测试卷含答案

人教版七年级英语上册UNIT 7 培优测试卷一、单项选择(每小题1分，共10分)1. Tomorrow is my grandmother's birthday. We will have a family party to ____ it.A. fallB. playC. prepareD. celebrate2. There are a lot of ways to keep healthy. ____，we can do more exercise and eatless junk food.A. To our surpriseB. In the endC. For exampleD. For a while3. —What about this blue schoolbag? It's twenty dollars.—OK. ____.A. Here you areB. I'll take itC. Nice to meet youD. You're welcome4. There are some ____ on my bike, so I can find it easily.A. marksB. problemsC. yardsD. feelings5. Little Jack is only two years old, but he can spell his ____ name.A. differentB. modernC. ownD. similar6. —____ is the art festival?—I think it's in July, but I'm not sure.A. WhenB. HowC. WhereD. What7. —What is the ____ of your guitar?—It's 800 yuan. I think it's cheap.A. numberB. heightC. soundD. price8. Don't ____ the candles, or we can't see the things in the room.A. talk aboutB. look forC. blow outD. work out9. —What day is your ____ Day in China, Li Xiaofei?—October 1st.A. NationalB. MusicalC. FunnyD. International10. Many people enjoy ____ zongzi by themselves at the Dragon Boat Festival.A. makingB. makeC. makesD. to make二、完形填空(每小题1分，共10分)Hi, I'm Sarah. Today is the fifth of March and it is a __11__ day for my sister Tracy—it is her birthday. We do many things to __12__ it.First, our parents take us to a sports store. They buy Tracy a pair of ping-pong bats, because she loves __13__. Then we buy some fruit and a cake. Do we have a __14__ for Tracy? Yes, we have it in the evening. Ann, Kitty and Cindy __15__ the party. The three are all __16__ of No. 7 Middle School, and they are classmates, __17__. Tracy gets a book from Ann and a radio from Kitty. What does she __18__ from Cindy? Cindy buys Tracy a nice T-shirt, __19__ it is a little smaller for her. She says she'll change a bigger one for her and bring it to Tracy next Monday.At the party, we __20__ some interesting games. We really have a good time!11. A. boring B. bigC. tidyD. right12. A. mean B. singC. celebrateD. know13. A. ping-pong B. baseballC. basketballD. football14. A. sale B. testC. tripD. party15. A. help with B. come toC. ask forD. think about16. A. students B. teachersC. womenD. boys17. A. well B. veryC. tooD. only18. A. buy B. getC. wantD. know19. A. after B. soC. andD. but20. A. sell B. takeC. playD. lose三、阅读理解(每小题2分，共30分)AThe girl in the picture is May. Why is her name May? Well,because her birthday is in May.Every year, May has a birthday party at home. Her friends cometo her home and say happy birthday to her. They watch TV, playgames and eat the birthday cake. They always have a good time at May's birthday party. May can also get many gifts from her friends. May thinks the gifts are valuable and she likes them very much.May has a brother. His birthday is in April. Can you guess(猜)his name? Haha, his name is April. April is 10 and he likes playing basketball. He thinks it's fun, and he always plays it with May on Sundays.21. When is the girl's birthday?A. It's in May.B. It's in April.C. It's in March.D. It's in February.22. What do May and her friends do on her birthday?①watch TV ②play games③eat the cake ④eat chickenA. ①④B. ③④C. ①②③D. ①②③④23. What does the underlined word “valuable”mean in Chinese?A. 便宜的B. 珍贵的C. 易碎的D. 普通的24. How old is April?A. Eight.B. Nine.C. Ten.D. Eleven.25. Which is NOT true?A. May and April are sister and brother.B. May has only one friend, April.C. April likes playing basketball.D. May has her birthday party at home.BThe birthday is a special day for most people. We may spend much time celebrating it. On our birthdays, we may go for a trip, have a party or watch a movie with our parents or friends. We can also enjoy some special food. Do you know what people eat on their birthdays around the world? Here are three people from different countries. They tell us what food they eat on their birthdays.Liu Jing is from Beijing. “The long noodles are a symbol of long life. In China, red is a symbol of luck. We think red eggs bring us good luck. So you can see Chinese eat long noodles and red eggs when they celebrate their birthdays，” says Liu Jing.“I am so happy because today is my birthday. I want to have a birthday party. At the party, we can play games, sing and dance. We can also eat a big birthday cake with fifteen candles. I'm sure we can have a good time at my birthday party，” says David from America.“In Canada, people put a coin (硬币) into the cake. If the birthday person eats the cake with the coin, he or she will be lucky. I am so happy because I often eat the cake with a coin，” says Sandy.26. What does the underlined word “symbol” mean in Chinese?A. 举办B. 象征C. 组织D. 担心27. How old is David?A. 13.B. 14.C. 15.D. 16.28. Which of the following is RIGHT?A. Red eggs are a symbol of long life in Liu Jing's family.B. People play games, sing and dance at the birthday party in David's country.C. David is from Canada.D. Sandy never eats the cake with a coin.29. According to the first paragraph, people may ____ on their birthdays.①watch ball games ②go for a trip③watch a movie ④have a birthday partyA. ②③④B. ①③④C. ①②④D. ①②③30. The passage is mainly about ____.A. what to eat on one's birthday in different countriesB. why we celebrate our birthdaysC. three people from different countriesD. how to celebrate one's birthdayCWhen people talk about birthdays, they usually think of cakes, presents, and a happy song called Happy Birthday to You. In fact(事实上), there are many kinds of ways to celebrate birthdays.In China, some bi rthday children start the day by saying “Hello”to their parents. Some parents give their children toys as gifts. And the birthday children usually eat noodles. It means the birthday child has a long life.In Canada, children put butter(奶油)on their noses on their birthdays. The butter keeps children away from bad luck. In Ireland, people lift(举起)birthday children upside down and make them touch the floor for every year of their age.In the USA and Britain, the family makes a big birthday cake. There are candles on the cake. One candle is for one year. The birthday child makes a wish and blows out all the candles.In Spain, people pull(拉)the birthday child's ear to wish him a happy birthday. If he is thirty, his friends and his family pull his ear thirty times, once for each year. It's very interesting.In some other countries, the birthday child sits on a special chair. All the adults lift the chair up and down. If the birthday child is eight years old, they lift the chair eight times.Different countries have different ways to celebrate their birthdays. But you can celebrate your birthday in your own way.31. How many countries are mentioned (提及) in the passage?A. Five.B. Six.C. Seven.D. Eight.32. Why do children put butter on their noses on their birthdays in Canada?A. Because it is very interesting.B. Because it means the birthday child has a long life.C. Because they make the birthday children touch the floor every year.D. Because the butter keeps children away from bad luck.33. In Britain, if a child is eleven years old, he should blow out ____ candles.A. elevenB. twelveC. twentyD. thirteen34. In ____，people pull the birthday child's ear to wish him a happy birthday.A. ChinaB. IrelandC. SpainD. Canada35. What is the passage mainly about?A. Birthdays of different countries.B. Birthday presents of different countries.C. Different ways to celebrate birthdays.D. Birthday children of different countries.四、阅读还原(每小题2分，共10分)Jane is an English girl. She is in Shanghai with her parents now. 36. ________ It is Jane's 13th birthday.In the morning, she comes out of her room to have breakfast. Her parents don't say “Happy birthday！” to her. 37. ________ At school, she meets two of her good friends Li Mei and Lin Qi, but they don't say anything. “No one knows when my birthday is, ” she says to herself. 38. ________ After school, she walks home alone(独自). When she gets home, she surprisedly finds her good friends are in her house. 39. ________ And many other gifts a re on the table, too. 40. ________ “Happy birthday, my dear! We just want to give you a surprise, ” says Mrs. Miller. Jane is really happy and they have a good time!五、根据首字母及汉语提示完成句子。

【最新】人教版七年级英语上册Unit7 易错题

Unit7易错题满分：100分时间：40分钟一.单项选择：（每题1分，共15分）1.I like sports. My friend Alan ______ likes sports. A．too B．but C．and D．also2.I like green ,but my sister ___. A.like green ,too B.doesn’t C. doesD. doesn’t likes3.The shorts _____ very nice. I’ll take ______.A.look, themB. looks, itC. look, itD. looks, them4.We have swerters for ____. A. boy B. girl C. women D. woman5.--How much is the CD? ---Sorry, I don’t know its _____. A. color B. price C. number D. clothes6.This new store sells bags _____ sports. A. in B. at C. for D. to7.He would like to buy a red bag. A. stops B. begins C. likes D. wants8.---How old is your mother? ---She is _____. A.fourty-one B. fourty first C. forty-one D. forty first9.We have ______ sweaters.A.fourty-four B. four-fourty C. forty-four D. four-forty10.This kind of T-shirt looks ____ and sells ____.A.nice; wellB. nice; goodC. well; wellD. good; nice11.The price of the socks is very _____. A. dear B. small C. big D. high12.The pen is very nice. I’ll buy ____ from that shop. A. one B. ones C. it D. that13.The store _____ many s chool things _____ the students.A.sell, toB. sells, toC. buys, fromD. buy, from14.Are these your shoes? –Yes, ___________.A. they’reB. they areC. these areD. there’re15.These ____ are _____. Do you like _____?A.orange, oranges, orangeB. oranges, orange, orangesC.oranges, oranges, orangesD. orange, oranges, oranges二.完形填空：每题1分，共10分）I work in a small shop. It's near an English ___1____. Every day students come to ____2_____ things. In the ___3_____ , I get up (起床) at six. And then I have breakfast. I get go (到达) the_____4____ at about six fifty. The shop opens at seven. We sell things about food and drink ___5___very good prices. We have school things,_____ 6___. So t here ____7____often many people in our shop____8___ morning to evening. I have ___9_____in the shop. At seven in the evening the shop is closed. We go home _____10____ supper.1. A. farm B. factory C. school D. river2. A. buy B. sell C. take D. want3. A. evening B. afternoon C. noon D. morning4. A. class room. B. school C. shop D. club5. A. at B. in C. for D. about6. A. too B. also C. and D. but7. A. are B. have C. is D. has 8. A. in B. on C. at D. from9. A. supper B. br eakfast C. tea D. lunch 10. A. to B. at C. with D. for三.阅读理解：（每题2分，共30分）AM rs. Smith is Jim’s mother. She loves her family very much. She goes to the store every day. She often buys food, fruit and clothes for Jim and her husband.Now many clothes are on sale at Renmin Clothes Store. They are very cheap. Mrs. Smith comes to the store and s he wants to buy some clothes for her family. There they have sweaters in all colors for ￥15 each and sports sho es for only ￥28. Mrs. Smith likes the red sweater and she buys one for herself. She buys a pair of sports shoes for her son. The great T-shirts in the store are just ￥18! She buys a whiteone for Mr. Smith. And that’s not all. The socks, in all colors, are ￥2 each. Shebuys the socks in many colors for her family. She is really a good mother and a good wife (妻子)词汇提示：husband 丈夫herself她自己1.Mrs. Smith often buys ______ for her family.A.balls, vegetables, fruit, clothesB.fruit, coffee, clothes, shoesC.clothes, fruit foodD.clothes, vegetables, school things2.The clothes at Renmin Clothes Store are _________.A.very greatB.very cheapC.very longD.big3.Mrs Smith likes the _______.A.red sweaterB.blue T-shirtC.green sweaterD.red hat4.She buys _____ fro Mr. Smith. A.a pair of shoes B.a pair of shorts C.a T-shirt D.a white sweater5.---Does Mrs. Smith only buy a pair of socks? --- ____________.A.Yes, she does.B.No, she doesn’tC.yes, she isD.No, she i sn’tBIt is Sunday afternoon. Mary goes to do the shopping with her mother. Her mother wants to buy some food for supper. Mary wants to buy a new skirt and some school things. They come to a shop."What does your shop sell?" Mary asks, "A lot of things." The girl in the shop says. "You can buy food, drinks, clothes in our shop and school things, too."Mary and her mother go in. There are many people in the shop. Mary finds a nice white skirt."How much is the skirt?" Mary asks the girl in the shop."It's eighty yuan.""That's too dear. Can I f ind a cheap one?""What about the green one? It looks nice. And it's only thirty yuan.""Ok, thanks a lot.""You are welcome."After that, Mary buys some school things, too. Here mother buys a lot of food, like bread, cakes, meat and fish. They get home very late.1. Mary goes to do the shopping with her mother on _________.A. Saturday afternoonB. Saturday morningC. Sunday morningD. Sunday afternoon2. Mary wants to buy a new skirt and _________.A. some foodB. some drinksC. come clothesD. some school things3. The white skirt is __________.A. $30 B. $110 C. $80 D. $1004. Mary buys a_____________ skirt. A. white B. green C. red D. dear5. The green skirt i s ____________.A. nice but dearB. nice and cheapC. no t nice but cheapD. not nice or cheapC : Come and buy your clothes at Huaxing’s great sale. Do you like sweater? We have sweaters at a very good price－only ￥25! Do you need bags for sport s? We also have great bags for only ￥12. For girls T-shirts in red, green, and white for only ￥18. For boys, you can buy socks for only ￥5 each. And that’s not all.1.The price of the bags for sports is_______.A. ￥24 B. ￥12 C.362. How much are 2 sweaters and a red T-shirt? A. ￥49 B. ￥68 C. ￥613.What does “at a good price” mean? A. dear B. cheap C. nice4.Which of the following is true?_________A. Girls can buy T-shirts in all colors.B. Boys can buy two pairs（两双）of socks for only￥10.C. Huaxing clothes store sells things only for boys and girls.5.The passage is a kind of________.A.introduction to clothes（服装介绍）B. news report（新闻报道）C. guide to buying （购物指南）四.任务阅读：（每题2分，共10分）Mason’s Cl othes Store1.Which are the cheapest（最便宜的）of all? _________________2.How much are two sweaters and a hat?_____________________________3.You can buy shoes in the clothes store.(T/F)___________________________4.What colors scocks do they have?_______________________5.Can you buy yellow hat in the store? ____________________五.词语运用：（每题1分，共10分）A）：1.She wants ______(have ) a big hat2.Do you like yellow ______(skirt) ?3.I’m s_____ I’m late.4. ---Your room l_____ tid y.---Thank you.5.The black shorts on s_______ are very cheap.B）：Mr Cool’s Clothes StoreCome and b_____ your clothes at our great _____(销售)! We sell all our clothes at very good price. Do you like sweaters? We have green sweaters for only ＄15! Yellow _______________(毛衣)are only ＄12! Do you need trousers? For boys we have black trousers for only ＄22. And shorts are only ＄16. For girls, we have skirts in purple for only ＄20. How much _______(be)our jackets? Only ＄30.Socks are only ＄2 for three pairs.Come to Mr Cool’s Clothes Store now.六.句型转换：（10分）1. This T-shirt is too small for me. (反义句) This T-shirt is ________ _______ for me.2.We have green pans for you. (同义句)We have _________ _______ green.3.I want those black and white shoes.(变成否定句)__________________________.4.Ten and ten is twenty.（改为同义句）[来源:_______ ten and ten?5.How much is your new schoolbag?（改为同义句）the of your new schoolbag?七.连词成句：（5分）1.have,we, in all colors, socks(.)________________________________________________2.only, dollar, two, are, they (.)___________________________________3.what color, your, does, want, friend(?)_____________________________________________4.These, are, a, good, hats, at, very, price ___________________________________________.5.green, the, chair, seven, dollars, is (.)___________________________八.书面表达：（10分）假如你有一家名为Super Clothes Store的服装店，请根据下面的表格信息为自己的服装店写一则促销广告。

Unit7单元易错综合测试七年级英语下册单元重难点易错题精练(人教版)含答案

答卷时应注意事项１、拿到试卷，要认真仔细的先填好自己的考生信息。

２、拿到试卷不要提笔就写，先大致的浏览一遍，有多少大题，每个大题里有几个小题，有什么题型，哪些容易，哪些难，做到心里有底；３、审题，每个题目都要多读几遍，不仅要读大题，还要读小题，不放过每一个字，遇到暂时弄不懂题意的题目，手指点读，多读几遍题目，就能理解题意了；容易混乱的地方也应该多读几遍，比如从小到大，从左到右这样的题；４、每个题目做完了以后，把自己的手从试卷上完全移开，好好的看看有没有被自己的手臂挡住而遗漏的题；试卷第１页和第２页上下衔接的地方一定要注意，仔细看看有没有遗漏的小题；５、中途遇到真的解决不了的难题，注意安排好时间，先把后面会做的做完，再来重新读题，结合平时课堂上所学的知识，解答难题；一定要镇定，不能因此慌了手脚，影响下面的答题；６、卷面要清洁，字迹要清工整，非常重要；７、做完的试卷要检查，这样可以发现刚才可能留下的错误或是可以检查是否有漏题，检查的时候，用手指点读题目，不要管自己的答案，重新分析题意，所有计算题重新计算，判断题重新判断，填空题重新填空，之后把检查的结果与先前做的结果进行对比分析。

亲爱的小朋友，你们好!经过两个月的学习，你们一定有不小的收获吧，用你的自信和智慧，认真答题，相信你一定会闯关成功。

相信你是最棒的！班级姓名学号分数Unit 7 It’s raining !（时间：100分钟，满分：100分）第一部分选择题一、单项选择(本大题共15小题，每小题1分，共15分)1．Many people like swimming _______ summer.A．at B．in C．on D．to 2．—Sounds ________ someone is singing in the room.—It’s my sister. Her song sounds ________ beautiful.A．/; /B．like; /C．like; like D．/; like 3．Could you just tell him to call ________ back?A．me B．I C．my D．mine 4．—Mom, ________ today? I'd like to go to the mountains.—It's sunny but cool. I think you'll have a good time.A．what's the weather B．how's the weatherC．what do you like D．how does she come5．He is happy ____________ basketball with his classmates after school.A．plays B．to play C．to playing D．play6．— Look! It’s ________ heavily!— Yes. Let’s go out to play with ________.A．snowing; snowy B．snowing; snow C．snowy; snowing D．snow; snowing 7．—Hello, Peter. ________?—Great.A．How it is going B．What are you doing C．How is it going D．How’s it goes 8．Please be quiet. My little child ________.A．go to bed B．is sleeping C．sleeps D．are asleep 9．Please tell the students _______ their classroom. It’s dirty.A．clean B．cleaning C．to clean D．to cleaning 10．— It’s Father’s Day,_____?— Yes. Let’s buy a gift for Dad.A．isn’t it B．doesn’t itC．isn’t he D．doesn’t he11．In Harbin, people always ________ hats in winter because it’s very cold.A．wear B．wears C．puts on D．put on12．—Hello, this is Tina speaking. Is that Sam?—Sorry, he isn’t here at the moment. ________?A．Can I take a message B．What are you sayingC．May I speak to Sam D．Who is that speaking13．Jim is sitting ________ the pool and ________ juice.A．on；drinking B．by；drinking C．by；drinks D．in；drinks14．The food safety is a serious ________ in our country. We should try to solve it.A．subject B．program C．problem D．opinion15．—Could you help me carry the chair to my office?—____________. It’ s a piece of cake.A．No problem B．I’ m afraid notC．You’ re welcome D．Not at all二、完型填空(本大题共10小题，每小题1分，共10分)阅读下面短文，从短文后各题所给的A、B、C和D四个选项中，选出可以填入空白处的最佳选项。

内蒙古人教版初中英语七年级上册Starter Unit7经典测试卷(含解析)

考试范围：xxx；满分：***分；考试时间：100分钟；命题人：xxx 学校：__________ 姓名：__________ 班级：__________ 考号：__________一、选择题1．— How about the watch？—I like it. I’ll ________ it.A．ask B．sell C．help D．take 2．—Can I help you?—____________.A．No,please don't B．Yes,please C．You're welcome 3．His clothes____________over there,in that room.A．is B．are C．am4．My shoes are too small.I want to buy a big.A．shoe B．one C．shoes D．pair5．—How much are the trousers in orange?—They’re only$9.—OK. I’ll.A．take it B．need it C．need them D．take them 6．Eleven and twelve is ________.A．twenty B．twenty-two C．thirty D．twenty-three 7．She often fruit and vegetables that supermarket(超市). A．buys,for B．sells,to C．buys,from D．takes,with8．Li Lei’s shoes ______ bl ack .A．am B．is C．are D．be9．— Mary, your skirt ______ nice.— Thank you.A．looks B．sees C．watches D．meets10．The sweater is nice. I’ll ______ it.A．help B．run C．take D．eat11．—_______ ? —Yes, please. I want a sweater.A．Can I help you B．Can you help meC．Do you want a sweater D．What do you want12．—____________ shoes are Linda's?—The green shoes.A．Where B．Whose C．Which13．—Do you want those shoes?—Yes, ______.A．I’ll take it B．I’ll take them C．I like them D．It’s 5514．These are 20 ________ of our school.A．woman teacher B．woman teachers C．women teacher D．women teachers15．— Where are her ________?— Look! They are on her feet（脚）.A．skirts B．trousers C．shoes D．sweaters16．This T-shirt is small for me. I ________ a big one.A．sell B．thank C．spell D．need17．— I need the blue jacket.— Here you are.— ________.A．It looks nice B．That’s great C．Thank you D．You’re welcome 18．Teachers' Day is in September, the _________ month of the year.A．nine B．ninth C．ten D．tenth19．—Let’s go to Li Hua Clothes Store.—OK. The store always all the clothes at very good prices.A．sells B．takes C．buys D．needs20．Look! Those books are a good price. Let’s buy some.A．at B．inC．for D．on21．—Thank you for your help!—______.A．Good morning B．You are welcome C．Fine. thank you D．Nice to meet you 22．There are two beautiful _______in the picture.A．womans B．womenC．woman D．womens 23．—What's the ___________of this T-shirt?—50 yuan.A．price B．numberC．sale D．question24．Our store has sweaters ________only $ 12.A．for B．inC．at D．on25．Come and _______your food at our store!A．to buy B．buyC．buys D．buying26．—Can I help you?—_. I want to buy some T-shirts for my children.A．Yes, please B．No, thanks C．It doesn't matter D．Of course I can【参考答案】一、选择题1．D2．B3．B4．D5．D6．D7．C8．C9．A10．C11．A12．C13．B14．D15．C16．D17．C18．B19．A20．A21．B22．B23．A24．A25．B26．A【参考解析】一、选择题1．D解析：D【详解】句意：——这块手表怎么样？——我非常喜欢，我买下了。

七年级英语上册U7H？SA学习评价试题

Unit 7 How much are the pants？制卷人：打自企；成别使；而都那。

审核人：众闪壹；春壹阑；各厅……日期：2022年二月八日。

一、根据首字母补全单词。

1. You can b food in a supermarket.2. That store s shoes, caps, belts and scarves.3. My mother w me not to play in the street.4. We have sweaters at a very good p .5. You can buy socks for only $5 e !Key:1. buy2. sells3. wants4. price5. each二、单项填空。

〔〕1. She wants ______ French.A.learn Bto learn C. learning 〔〕2. ______ she come this evening?A.Can B. Would C. Do〔〕3. ______ milk is there in the bottle?A. How manyB. How muchC. How old〔〕4. —Thank you very much!—______A. No, thanks.B. You’re right.C. You’re welcome.〔〕5. The red shorts are very nice. I’ll ______them.A.take B.want C.bring〔〕6. Let’s ______ and play football.A. to goB.go C.going〔〕7. We have T-shirts ______ blue, white, black and green ______ just $8.A. on; withB. in; forC. in; on〔〕8. —Shall we have a look ______ your new dress?—______. Here you are.A. for; NoB. in; SorryC. at; Sure〔〕9. This ______ is too small. Do you have a big one?A.shorts B.T-shirtC. pants〔〕10. The red shoes ______ five dollars.A. is alsoB. also isC. are alsoKey:1-5 BABCA 6-10 BBCBC三、按要求改写句子。

物理题7个水杯答案

物理题7个水杯答案
有7个杯口全部向上的杯子，每次将其中4个同时翻转，经过几次翻转，杯口可以全部向下：1、3次。

2、4次。

3、5次。

4、几次也不能。

参考答案：4。

华图教育参考解析：第一步：判断题型。

本题为奇偶性问题第二步：分析解题杯子翻转奇数次后才能杯口朝下，因此，要想将其全部翻转向下，则要将每个杯子翻转奇数次，所以最后翻转的总次数也必须是奇数次。

根据题意，每次翻转4个杯子，无数次翻转后共翻转了4无数次；4无数次不是奇数，所以无论翻转几次都不能使杯口全部向下。

故本题选4。

2023-2024学年苏教版二年级上册数学期末知识点基础巩固卷

2023-2024学年苏教版二年级上册数学期末知识点基础巩固卷一、选择题 (共10题)第(1)题下图中有( )个直角．A．3B．2C．1第(2)题小军观察一个已经学过的立体图形，他看到的是一个长方形，这个立体图形可能是（）。

A．正方体B．长方体C．球第(3)题用一副三角板拼角，下面（）拼成的是锐角。

A．B．C．第(4)题一个乘数是5，积是15，另一个乘数是（）。

A．5B．10C．3第(5)题关于6×3的意义，下面说法正确的是（）。

①3个6相加②6个3相加③3和6相加④3个6相乘A．①和②B．②和③C．③和④D．①和C③第(6)题35厘米用米作单位是（）A．3.5米B．0.35米C．0.035米第(7)题分钟走30分钟，走了（）个大格。

A．6B．30C．5第(8)题二（2）班男生有27人，女生有16人，女生比男生少( )人。

A．43B．11C．9第(9)题18＋19的得数等于（）A．27B．37C．57D．32第(10)题不能写成7+7+7+7+6的算式是（）。

A．4×7+6 B．7×5-1C．6×5+4 D．7×6-6二、填空题 (共10题)第(1)题下面纸条的长度，谁说得对？在（）里打“√”．第(2)题图形是由( )条线段围成。

第(3)题9×( )＝27 4×( )＝16 3×( )＝185×( )＝30 ( )×8＝56 ( )×2＝18第(4)题在括号里填上合适的单位．一张床长2( )；一个牙刷长17( )．一座楼房高15( )；妈妈每天工作8( )．第(5)题有两根长10厘米的纸条，接在一起，重叠部分长2厘米，接起来的纸条长( )厘米．第(6)题一块正方形的手帕上有( )个角，这几个角都是( )角。

第(7)题小明每分钟能打9个字，妈妈每分钟打的字和小明7分钟打的一样多，妈妈每分钟打( )个字。

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Unit 7 错题
课时作业上错题
1. She tried to drive the car, but she_______（失败）．
2. Zhang Hua quickly ran back to his flat and_______（倒）water over his jacket.
3.-Daniel likes eating and he is the _______ boy in your class.
-Yes, nobody else is fatter than he in our class.
4.-Excuse me, sir. The shoes are a bit large for me.
-Don't worry. I'll look for a_______ pair for you.
1、你上周收到你妹妹的来信了没？
2、多么有趣的一部电影啊
3、我八岁就会骑自行车了
4．昨天我邀请他和我一起吃晚餐。

___________________________________
5．我的汤太烫，没法喝。

___________________________________
6．他能同时用一只手写字，另一只手画画。

___________________________________
7、你不可以将热东西放入垃圾箱。

__________________________________
( )1. -Let's play _______ soccer. -I don't have _______ soccer ball.
A. /; a
B. the; a
C. a; the
D. /; the
( )2. -You look _______ today. ----Yes. I stayed up late last night to watch a talk show.
A. easy
B. warm
C. tired
D. smart
( )3. Sorry, I haven't _______ money _______ buy the new iPad.
A. such; that
B. too; to
C. enough; to
D. so; that
( ) 4. _______ wonderful talent show they performed in our school yesterday!
A. How
B. What
C. What a
D. How a
( )5. -I think students should have mobile phones to call their parents.
- _______. They often use them to play games instead.
A I hope so B. I don't agree C. No problem D. Good idea
( )6. -Look, he is too tired. -Yes! Why not ask him _______ a rest?
A stop having B. stop to have C. to stop having D. to stop to have
( )7. –Hello! Nice to see you here in Jiangdu.
--Me, too. But I am sorry I _______ know you _______ here.
A don't; come
B didn't; come C. don't; came D. didn't; came
( )8. -Do you find this problem _____? -Yes, but we can't find out the answer_______.
A easy; easily B. easily; easy C. easy; easy D. easily; easily
( )9. Listening is just as _______ as speaking in language learning.
A important B. the most important C. most important D. more important ( )10.-Is Jay Chou still popular with the young?
-Yes, of course. He is one of the _______ in their mind
A best singers B. best dancers C. favorite singers D. good singer
( )11. There ____ a lot of _______and fire was hot.
A. are; smoke
B. is; smoke
C. ／; smoke
( )12. There is going to a class meeting this afternoon.
A. have
B. hold
C. be
( )13 He jumped into the water when he heard a boy help.
A. call at
B. called to
C. calling for ( )5. She_________ the old man___________ a fire yesterday.
A. helped; out of
B. help; out
C. helped; out
( )14. They _____________in the past.
A. can dance
B. could dance
C. can to dance
( )15. ______________milk it is!
A. How nice
B. What a nice
C. What nice
( )16. I’d like to recommend Daniel______________ the Youth Award.
A. as
B. for
C. in
( )17. She didn’t know the time because she _____her watch at home.
A. forget
B. left
C. forgot
( )18. The ______ man has a dog. It is ___________.
A.50-year-old; 5-year-old
B. 50 years old;5 years old
C.50-year-old; 5 years old ( )19.—Could I use your computer now?
—______________. I’m writing an important e-mail now.
A. Yes, you can
B. No, you couldn’t
C. sorry, you can’t
( )20.—Can you show me how to use the machine?
—______________.
A. Not at all
B. All right
C. That’s OK
( )21. _________ the girl is playing __________!
A. How well; piano
B. What good; the piano
C. How well; the piano
( )22. He does good work ______________this year and I’m sure he will do better work __________next year.
A. in; in
B. in; /
C. /; /。