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整式的乘除测试题练习8套(含答案)

整式的乘除测试题练习8套(含答案)

整式的乘除练习题(8套)含答案整式的乘除测试题练习一一、精心选一选(每小题3分,共30分) 1、下面的计算正确的是( )A 、1234a a a =⋅B 、222b a )b a (+=+C 、22y 4x )y 2x )(y 2x (-=--+-D 、2573a a a a =÷⋅ 2、在n m 1n x )(x +-=⋅中,括号内应填的代数式是( )A 、1n m x ++B 、2m x +C 、1m x +D 、2n m x ++ 3、下列算式中,不正确的是( )A 、xy 21y x y x 21)xy 21)(1x2x (n 1n 1n n -+-=-+-+-B 、1n 21n n x )x (--= C 、y x x 2x31)y x 2x 31(x n 1n n 2nn --=--+D 、当n 为正整数时,n 4n 22a )a (=- 4、下列运算中,正确的是( )A 、222ac 6c b 10)c 3b 5(ac 2+=+B 、232)a b ()b a ()1b a ()b a (---=+--C 、c b a )c b a (y )a c b (x )1y x )(a c b (-+-----+=++-+D 、2)a b 2(5)b a 3)(b 2a ()a 2b 11)(b 2a (--+-=-- 5、下列各式中,运算结果为422y x xy 21+-的是( )A 、22)xy 1(+-B 、22)xy 1(--C 、222)y x 1(+-D 、222)y x 1(-- 6、已知5x 3x 2++的值为3,则代数式1x 9x 32-+的值为( ) A 、0 B 、-7 C 、-9 D 、3 7、当m=( )时,25x )3m (2x 2+-+是完全平方式 A 、5± B 、8 C 、-2 D 、8或-28、某城市一年漏掉的水,相当于建一个自来水厂,据不完全统计,全市至少有5106⨯个水龙头,5102⨯个抽水马桶漏水。

语文练习题(通用10篇)

语文练习题(通用10篇)

语文练习题(通用10篇)一、拼音填汉字。

miǎo shì jiǎo xiá sì nüè miǎn huái chōu yē gān hé二、请用“√”为加点的汉字找一个朋友。

黏稠(zhān nián) 睡觉(jué jiào) 鹬蚌(bàng fēng) 晨曦(xī yì)巢窠(kē jiù)戳穿(chuō zhuō)三、请将“千山鸟飞绝”这五个字按音序重新排列。

_____________________________。

四、字词关。

1、请先将下列成语补充完整,然后再任选其中一个说话。

()不禁风蹑手蹑()()然长逝()躅不前()人心()面面相()高()远()乐此不()2、写两个出自寓言故事的成语。

_________、__________________。

3、给带点的字填上反义词,组成成语。

异口()声扬长避()口是心()顾此失()4、根据意思写成语。

①举着灯烛在夜间游玩。

()②着急地心里好像着了火一样。

()五、句子关。

1、鲁迅在回信中说:“我的信如果要发表,且有发表的地方,我可以同意。

”改为第三人称转述句:___________。

2、字典是最好的老师。

改为反问句:_______________限时综合规范训练7(用时:45分钟满分:37分)一、名句名篇默写(6分)1、补写出下列名句名篇的空缺部分。

(1)州司临门,____________。

(李密《陈情表》)(2)引以为流觞曲水,____________。

(王羲之《兰亭集序》)(3)____________,山岳潜形。

(范仲淹(《岳阳楼记》)(4)余则缊袍敝衣处其间,____________。

(宋濂《送东阳马生序》)(5)____________,飞鸟相与还。

(陶渊明《饮酒》)(6)人生自古谁无死?____________。

30个练习题及答案

30个练习题及答案

30个练习题及答案一、选择题1. 下列哪个数字是素数?A. 22B. 23C. 24D. 25A. 美国B. 中国C. 德国D. 日本3. 下列哪个城市是我国的直辖市?A. 广州B. 深圳C. 重庆D. 杭州A. 后梁B. 后唐C. 后宋D. 后周5. 下列哪个科学家提出了相对论?A. 牛顿B. 爱因斯坦C. 玛丽·居里D. 伽利略二、填空题6. 我国国旗上的五颗星代表______。

7. 地球的南极洲属于______洲。

8. 一年有______个月。

9. 人体内最大的消化腺是______。

10. “精卫填海”这个故事出自______。

三、判断题11. 长江是中国最长的河流。

()12. 企鹅生活在北极。

()13. 鸡蛋是鸡的排泄物。

()14. 电脑病毒是一种生物病毒。

()15. 太阳是宇宙中心。

()四、简答题16. 请简述水的三态变化。

17. 请列举三种可再生能源。

18. 请解释什么是光合作用。

19. 请简要介绍我国四大发明。

20. 请说明地球自转和公转的区别。

五、计算题21. 计算:5² 3²22. 计算:(8 + 6) × 3 ÷ 223. 计算:4.8 ÷ 1.224. 计算:√(49 + 81)25. 计算:3 × (7 4) + 2²六、应用题26. 小明有20元钱,他买了一本书花了15元,他还剩下多少钱?27. 一辆汽车行驶100公里,平均速度为60公里/小时,求行驶时间。

28. 一个长方形的长是10厘米,宽是6厘米,求它的面积。

29. 一桶水重50千克,倒出1/4后,还剩下多少千克?30. 一家工厂生产一批产品,每件产品成本为200元,售价为300元,共生产了100件,求总利润。

七、完形填空题31. 阅读下面的短文,从下列选项中选择最恰当的词语填空。

古人云:“熟能生巧。

”这句话告诉我们,只有通过不断的练习,才能达到熟练的程度。

第12章 习题(带答案)

第12章 习题(带答案)

9、垄断厂商利润最大化时( A C P=MR=MC; P>MR=MC;
10、完全垄断厂商的平均收益曲线为直线时,边际收益曲线也是直线。边际收益曲线的 斜率为平均收益曲线斜率的( A )。 A 2 倍; B 1/2 倍; C 1 倍; D 4 倍。
11、若一个管理机构对一个垄断厂商的限价正好使经济利润消失,则价格要等于( C )。 A C 边际收益; 平均成本; B D D B D 边际成本; 平均可变成本。 )。 取得最大利润; 上述情况都可能发生。 D )。
dTC 2Q 40 . dQ
该厂商实行三级价格歧视时利润最大化的原则可以写为 MR1=MR2=MC. 于是: 关于第一个市场: 根据 MR1=MC,有: 120-20Q1=2Q+40 关于第二个市场: 根据 MR2=MC,有: 7Q2=10 即 22Q1+2Q2=80
1 1 ),得 116=138( 1 )解得 ed ≈6 ed ed
所以,厂商长期均衡时主观需求曲线 d 上的需求的价格点弹性 ed ≈6. (3)令该厂商的线性的主观需求 d 曲线上的需求的函数形式 P=A-BQ,其中,A 表示该线 性需求 d 曲线的纵截距,-B 表示斜率.下面,分别求 A 值和 B 值. 根据线性需求曲线的点弹性的几何意义,可以有 ed
A.如果在某一行业中存在许多厂商,则这一市场是完全竞争的 B.如果厂商所面临的需求曲线是向下倾斜的,则这一市场是不完全竞争的 C.如果行业中所有厂商生产相同的产品,且厂商的数目大于 1,则这个市场是不完全竞争的 D.如果某一行业中有不止一家厂商,他们都生产相同的产品,都有相同的价格,则这个市场 是完全竞争的 2、垄断厂商面临的需求曲线是( A 向下倾斜的; A )。 B 向上倾斜的;

练习题+答案

练习题+答案

练习题+答案第二章练习题一、单项选择题1、根据借贷记账法的原理,记录在账户贷方的是()。

AA.费用的增加B.收入的增加C.负债的减少D.所有者权益的减少资产和费用的增加记借,减少记贷;收入、负债和所有者权益增加记贷,减少记借。

2、我国《企业会计准则》将会计要素分为六类,《企业会计制度》将的会计科目分为()。

BA.六类B.五类C.七类D.三类资产、负债、权益、成本、损益五大类3、借贷记帐法中资产类帐户的余额一般在()。

BA.无余额B.借方C.贷方D.借方或贷方4、资产类账户期末余额的计算公式是()。

AA.期末余额 = 期初借方余额 + 本期借方发生额–本期贷方发生额B.期末余额 = 期初贷方余额 + 本期贷方发生额–本期借方发生额C.期末余额 = 期初借方余额 + 本期借方发生额D.期末余额 = 期初贷方余额 + 本期贷方发生额5、下列错误能够通过试算平衡查找的是()。

DA.重记经济业务B.借贷方向相反C.漏记经济业务D.借贷金额不等试算平衡的具体内容就是检查会计分录的借贷金额是否平衡。

6、“待摊费用”账户本期期初余额3500元,借方本期发生额1500元,本期摊销500元,则该账户期末余额为()。

B A.借方4500元 B.贷方4500元C.借方3500元 D.贷方1000元待摊费用属于资产类,按照资产类账户计算期末余额。

7、对账户记录进行试算平衡是根据()的基本原理。

CA.账户结构B.会计要素划分的类别C.会计等式D.所发生的经济业务的内容8、复式记账法是指对每一笔业务都要以相等的金额在相互联系的()中进行登记的记账方法。

DA.一个账户B.两个账户C.三个账户D.两个或两个以上的账户9、借贷记账法的记账规则是()。

DA.同增、同减、有增、有减B.同收、同付、有收、有付C.有增必有减,增减必相等D.有借必有贷,借贷必相等 D10、会计账户的开设依据是()。

CA.会计对象 B.会计要素C.会计科目 D.会计方法11、收到某单位的预付购货款存入银行,所引起的会计要素变动是() BA一项资产增加,一项资产得减少B一项资产增加,一项负债得增加C一项资产增加,一项负债得减少D一项负债增加,一项负债得减少借:银行存款(资产)贷:预收账款(负债)12、对于每一个账户来说,期末余额()。

国考行测练习100题 含答案

国考行测练习100题 含答案

国考行测练习题1、0,4,5,11,14,22,()A.24B.25C.26D.273、2010年居民消费价格与2006年相比,上涨了()。

A.14.8%B.13.3%C.13.8%D.2.8%5、我们常说“屋漏偏逢连夜雨”,灾难接连而来,真是( )A.生于忧患死于安乐B.一波未平,一波又起C.麻雀虽小,五脏俱全D.要使人不知,除非己莫为6、邓小平首次正式提出“建设有中国特色社会主义”是()。

A.在党的十一届三中全会上B.在党的第十二次全国代表大会开幕词中C.在党的十二届三中全会上D.在党的第十三次全国代表大会上7、间接故意是指行为人明知自己的行为会发生危害社会的结果,并有意放任,以致发生这种结果的心理态度。

下列属于间接故意的是( )。

A.某甲在打兔子时,发现附近有一个牧童,但他还是开了枪,结果打中了牧童B.某省副省长利用职务之便,贪污公款一千余万元C.某人知道附近的山上有狼,却故意引诱一个小孩到山上去,结果小孩被狼所伤D.某工人在不知情的情况下合上了电闸,造成了正在修理机器的工友的受伤8、1/2,1/5,1/8,1/11,()A.1/14B.1/16C.1/17D.1/159、某食品加工企业向卫生局申请卫生许可证,对于该申请,卫生局经过审查后应当如何处理?( )A.如果不能当场做出许可决定,可以自主决定做出决定的期限B.如果食品加工企业符合法定卫生条件、标准、卫生局可以当场做出口头许可决定C.卫生局如果认为食品加工企业不符合卫生条件标准,可以做出不予许可的决定,无需说明理由D.卫生局如果做出不予颁发卫生许可证的决定,应当告知该食品加工企业有权申请复议或者提起行政诉讼的权利10、2010年1~5月我国对美国进出口总值约比上年同期增长()。

A.24.8%B.28.2%C.37.4%D.39.1%12、一本仅用十几万字写出中国上下五千年文明史的普及读物《中国读本》,继在我国创下累计发行1000余万册的骄人成绩后,又开始走出中国走向世界。

集合基础练习题100个

集合基础练习题100个

集合基础练习题100个1. 设A={1,2,3},B={2,3,4},求并集A∪B。

2. 设A={1,2,3},B={3,4,5},求交集A∩B。

3. 设A={1,2,3},B={3,4,5},求差集A-B。

4. 设U={1,2,3,4,5},A={2,3},求A的补集。

5. 设U={1,2,3,4,5},A={2,3},B={3,4},判断A是否是B的子集。

6. 设U={1,2,3,4,5},A={2,3},B={3,4},判断A是否与B相等。

7. 设U={1,2,3,4,5},A={2,3},B={3,4},求A与B的并集。

8. 设U={1,2,3,4,5},A={2,3},B={3,4},求A与B的交集。

9. 设U={1,2,3,4,5},A={2,3},B={3,4},求A与B的差集。

10. 设U={1,2,3,4,5},A={2,3},B={3,4},求A与B的对称差。

11. 设U={笔、纸、本、书、手机},A={笔、本、书},B={书、手机},求A与B的并集。

12. 设U={笔、纸、本、书、手机},A={笔、本、书},B={书、手机},求A与B的交集。

13. 设U={笔、纸、本、书、手机},A={笔、本、书},B={书、手机},求A与B的差集。

14. 设U={笔、纸、本、书、手机},A={笔、本、书},B={书、手机},求A与B的对称差。

15. 设U={男、女、学生、教师、工人},A={男、女、学生},B={学生、教师},求A与B的并集。

16. 设U={男、女、学生、教师、工人},A={男、女、学生},B={学生、教师},求A与B的交集。

17. 设U={男、女、学生、教师、工人},A={男、女、学生},B={学生、教师},求A与B的差集。

18. 设U={男、女、学生、教师、工人},A={男、女、学生},B={学生、教师},求A与B的对称差。

19. 设U={苹果、香蕉、橙子、西瓜、葡萄},A={苹果、香蕉、橙子},B={橙子、西瓜},求A与B的并集。

现代汉语练习测试题及参考答案(1)

现代汉语练习测试题及参考答案(1)

现代汉语练习测试题及参考答案(1)现代汉语练习题三、例题解析(一)历年真题解析1、填空。

(每空1分,共20分。

错别字不给分)1、yang这个音节的声母是。

20052、普通话中,声母j只能与撮口呼和呼相拼。

20053、“电器”和“微波炉”两词,从意义关系上看,是词。

20054、从来源上看,“拷贝”属于词。

20055、“沙丁鱼罐头”包含了个语素。

20056、从语法关系看,“屋里有人”是一个词组。

20057、“及物动词”是指能带的动词。

2005答案:1、零声母2、齐齿呼,第173页。

3、上下位关系,第190页。

4、外来词,又叫借词中的译音词。

第192页。

5、三.“沙丁鱼”是译音词,属单纯词,是一个语素(由一个语素构成的是单纯词)。

罐头属合成词,词根+词缀,两个语素。

第195页。

6、时间词、处所词可以作主语。

是主谓结构。

第205页。

7、宾语。

第200页。

1、四呼是根据对韵母所做的分类。

20062、如果两个音素出现在相同语音环境并且区别意义,那么这两个音素属于不同。

20064、从语法关系看,“进行研究”是一个词组。

20065、“我谁也不认识”有两个意思,一是“我不认识任何人”,二是“谁也不认识我”,这种歧义是由不同造成的。

2006答案:1、有无韵头及韵头的性质。

第171页。

2、音位。

第176页。

语言学第59页。

4、述宾结构,第198页。

5、语义结构关系(隐性语法关系),第216页。

可见通过填空考知识点、考定义。

还是要认真复习定义、知识点。

有的需要背诵。

1、普通话声母z、c、s不能与呼韵母和撮口呼韵母相拼。

2007(第171、173页,齐齿呼)2、普通话声母b的语音特征是双唇、清、塞音。

2007(第167页,不送气)3、“修”的声旁是。

2007(第180页)4、能单独构成一个词的语素是语素。

2007(第183页,成词)5、汉语中的词类是根据划分出来的,词义只起参考作用。

2007(第199页,词的语法功能)6、“帮助我的同学”的歧义是由不同造成的。

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动词不定式1. --- The light in the office is still on. --- Oh, I forgot _______.A. turning it offB. turn it offC. to turn it offD. having turned it off2. Frank is the kind of person who people like to ________.A. make friend withB. make friends ofC. make friendsD. make friends with3. The patient was warned _______ oily food after the operation.A. to eat notB. eating notC. not to eatD. not eating4. The workers want us ________ together with them.A. workB. workingC. to workD. worked5. They would not allow him ________ across the enemy line.A. to risk goingB. risking to goC. for risk to goD. risk going6. I saw him _______ out of the room. A. go B. had gone C. has gone D. goes7. Go on ________ the other exercise after you have finished this one.A. to doB. doingC. withD. to be doing8. I’ve hear d him _______ about you often. A. spoke B. speaks C. speak9. She reached the top of the hill and stopped _______ on a big rock by the side of the path. A. to have rested B. resting C. to rest D. rest10. John was made _______ the truck for a week as a punishment.A. to washB. washingC. washD. to be washing11. There’re so many kinds of tape-recorders on sale that I can’t make up my mind _____ to buy. A. what B. which C. how D. where12. There isn’t any difference between the two. I really don’t know _________.A. where to chooseB. which to chooseC. to choose whatD. to choose which13. We agreed _________ here but so far she hasn’t turned up yet.A. having metB. meetingC. to meetD. to have met14. I need a day or two ________. A. to think it over B. to think over C. of thinking15. He doesn’t know ____to stay or not. A. whether B. if C. either D. if he will16. She pretended _______ me when I passed by.A. not to seeB. not seeingC. to not seeD. having not seen现在分词1.-Why did you go back to the shop? -I left my friend ________ there.A. waitingB. to waitC. waitD. waits2.Though ________ money, his parents managed to send him to university.A. lackedB. lacking ofC. lackingD. lacked in3.Finding her car stolen, ________ .A. a policeman was asked to helpB. the area was searching thoroughlyC. it was looked for everywhereD. she hurried to a policeman for help4.The bell ________ the end of the period rang, ________ our heated discussion.A. indicating; interruptingB. indicated; interruptingC. indicating; interruptedD. indicated; interrupted5.It is believed that if a book is ________, it will surely ________ the reader.A. interested; interestB. interesting; be interestedC. interested; be interestingD. interesting; interestComplete the following sentences, using the words given in V-ing form and try to tell the function of each.encourage, joke, barbecue, leave, live, become, cook, declare, forbid, get1. ___________ a tip in a restaurant has become a custom in most countries.2. The new programme of research-oriented study is aimed at __________ students to raise problems and then to solve them on their own.3. To most, __________ food over a smoky fire has become a thing of the past. However, _________ remains popular in America.4. When Spaniards arrive in Arizona, they found many Indian tribes _____________ along the river banks and in the mountains.5. Britney Spears, Pop Princess, is on her way to ___________ one of the hottest pop stars in the world.6. A man in South Africa is likely to face up to 25 years in jail for ____________ that he was carrying a bomb on an airline flight.7.Church authorities were surprised at Galileo’s ______________ that the earth moved around the sun.8. I can’t understand their _____to go to the concert given by the Backstreet Boys.9. Cases of anthrax have caused worldwide fear. What people are doing now is__________ letters containing white powder before opening them.动名词专项练习1. It took the workmen only two hours to finish ________ my car.A. repairingB.repairC.to repairD.repaired2. It’s no good ________ over split milk.A. to cry B.crying C.cried D.cry3. Have you forgotten ___________$1000 from me last month? Will you please remember _________ it tomorrow?A.borrowing; to bringB.to borrow;bringC.borrowed; bringingD.borrowing; bringing4. The classroom wants __________. A. clean B.cleaned C.to clean D.cleaning5. Jack said that he wouldn't mind ___________ for us.A. to waitB.waitC.waitingD.waited6. My brother keeps _________ me with my work. A.to help B.help C.helping D.helped7. We should often practise _________ English with each other.A. to speakB.spokeC.speakD.speaking8. Keep on _________ and you will succeed. A. a try B.try C.triing D.trying9.His parents insist on _____to college.A.he should goB.he goC.his goingD.him to go10. The story was so funny that we ______. A. couldn’t help laugh B.can’t but laughC.couldn't help laughingD.couldn’t help but to laugh11. How much time did you spend __________ the text?A.copyingB.to copyC.in copyD.on copying12. I ________see you without ________ your mother.A. never; thinking ofB.never; thinking aboutC. not; thinks ofD.don't; think about13.Though it sounds a bit too dear(昂贵),it is worth _________.A. being boughtB.buyingC.to buyD.buying it14. The novel is well _________.A. worth to readB.worth being readC.worthy to readD.worthy of being read15. The farmers were busy ________ cotton. A.to pick B.picking C.with picking D.pluck 过去分词专题练习1. Mr. Smith, _______ of the ________ speech, started to read a novel.A. tired; boringB. tiring; boredC. tired; boredD. tiring; boring2. Let‘s have a rest. The _______ work made me very ________.A. tired; tiredB. tiring; tiringC. tired; tiringD. tiring; tired3. Just as the value of a telephone network increases with each new phone _________ to the system, so does the value of a computer system increase with each program that turns out.A. addingB. to have addedC. to addD. added4. As we all know, newspapers, magazines and radios as well as television broadcasts can keep us __ about what is happening in the world.A. informing B. to inform C. informed D. being informed5. Everyone was ________ by his _______ progress which he made during the two months.A. surprised; surpriseB. surprised; surprisedC. surprised; surprisingD. surprising; surprising6. When he turned around, he found a pair of eyes _________ him.A. lookingB. watch atC. fixing onD. staring at7. The film you saw last light was made _________ on a true story that happened many years ago.A. baseB. to be basedC. basedD. basing8. After _______ his work, the teacher came to help me with my English.A. finishedB. being finishedC. having finishedD. be finishing9. Follow the directions on the bottle carefully when __________the medicine.A. you will takeB. takingC. to takeD. taken10. The students, ___ their teachers, came home.A. followed B. follow C. following D. will follow11. The long-lasting war, filled with blood and deaths, ended in people‘s sadness, _______ no result. A. reached B. to reach C. would reach D. reaching12.They spent the night ________in the room.A.having locked B.locking C.to be locked D. locked13. He wrote a letter to the king ___________.A. hoping to be set freeB. to set him freeC. so that be set freeD. asked to be set free14. Steven has devoted all his life to _______ films, and Kate, his wife, is also ________ to the duty of her profession.A.make; devoted B.making; devoting C.making; devoted D.make; devoting15. ________ to s unlight for too much time will do harm to one‘s health.A. ExposedB. Having exposedC. Being exposedD. After being exposed 非谓语动词练习题1.______ more attention,the trees could have grown better.A.To giveB.Having givenC.GivenD.Giving2.The first textbooks ______ for teaching English as a foreign language came out in the 16th century. A.to be written B.written C.being written D.having written3.The missing boys were last seen ______ near the river.A.to playB.playC.to be playingD.playing4.______ in thought,he almost ran into the car in front of him.A.To loseB.LostC.Having lostD.Losing5.When passing me he pretended ______ me.A.to seeB.not having seenC.to have not seenD.not to have seen6.The children insisted ______ there on foot.A.they goingB.they would goC.on their goingD.going7.He still remembers ______ to Shanghai when he was very young.A.takingB.being takenC.takenD.having taken8.______ the railway station,we had a break,only ______ the train had left.A.Arriving at;to finding to;discovering thatC.On arriving at;finding outD.Hurrying to;to have found out9.With the boy ______ the way,we had no trouble ______ the way ______ to Zhongshan Park.A.leading;finding;leadingB.to lead;found;to leadC.led;finding;ledD.leading;found;led10.______ these pictures,I couldn‘t help thinking of those days when I was in Being and ______ from the top of a thirty-storeyed building,Beijing looks more beautiful.A.Seeing;seenB.Seen;seeingC.Seeing;seeingD.Seen;seen11.I can hardly imagine Peter ______ across the Atlantic Ocean in five days.A.to have sailedB.to sailC.sailingD.sail12.If you wave your book in front of your face,you can feel the air ______ against your face. A.moved B.moving C.moves D.to move 13.______ is known to all,China will be an ______ and powerful country in 20 or 30 years‘ time. A.That;advancing B.This;advanced C.As;advanced D.It;advancing 14.While shopping,people sometimes can‘t help ______ into buying something they don‘t really need. A.persuade B.persuading C.being persuaded D.be persuaded15.There was terrible noise ______ the sudden burst of light.A.followedB.followingC.to be followedD.being followed16.Please excuse my ______ in without ______ .e;permitteding;permittedimg;being permittedD.to come;being permitted17.______ his head high,the manager walked into the room to attend the meeting ______ then. A.Holding;being held B.Held;holdingC.Having held;heldD.Held;to be held18.——Did you hear her ______ this pop song this time the other day?——Yes,and I heard this song ______ in English.A.sing;singingB.sung;sungC.sung;singingD.singing;sung19.The question ______ now at the meeting is not the question ______ yesterday.A.discussed;discussedB.discussing;had discussedC.being discussed;discussedD.discussing;discussing20.With the cooking ______ ,I went on ______ some sewing.A.done;to doB.being done;doingC.to be done;doingD.to have done;doing21.It is no use ______ your past mistakes.A. regrettingB. regretC. to regretD. regretted22.Her husband died in 1980 and had nothing ______ to her,only ______ her five children.A.left;to leaveB.leaving;leavingC.leaving;leftD.left;leaving23.I am very busy.I have a very difficult problem ______ .A.to workB.to work outC.to be worked outD.to work it out24.I would appreciate ______ back this affernoon.A.you to callB.you callC.your callingD.you‘re calling25.Climbing mountains was ______ ,so we all felt ______ .A.tiring;tiredB.tired;tiringC.tiring;tiringD.tired;tired26.I saw some villagers ______ on the bench at the end of the room.A.seatingB.seatC.seatedD.seated themselves27.She was glad to see her child well ______ care of.A.takeB.to be takenC.takenD.taking28.It is one of the important problems ______ tomorrow.A.to solveB.to be solvedC.solvedD.solving29.______ maps properly,you need a special pen.A.DrawnB.DrawingC.To drawD.Be drawing30.There is a river ______ around our school.A.to runB.runC.runningD.to be running31.How about the two of us ______ a walk down the garden?A.to takeB.takeC.takingD.to be taken32.I was fortunate to pick up a wallet ______ on the ground on the way back home, but unfortunately for me,I found my colour TV set. ______ when I got home.A.lying;stolenying;stealingy;stolenD.lying;stealing33.Whth the kind-hearted boy ____ me with my work,I‘m sure I‘ll be able to spare time ___ with your work.A.to help;help you outB.helping;helping youC.helped;to help you outD.to help;to help you34.Greatly movedd by her words, ______ .A.tears came to his eyes B .he could hardly hold back his tearsC. tears could hardly be held backD. his eyes were filled with tears.35.——I hope the children won‘t touch the dog.——I‘ve warned them ______ .A.notB.not toC.not touchD.not do36.I would love ______ to the party last night but I had to work extra hours to finish a report. A.to go B.to have gone C.going D.having gone 37.When ______ why he walked in without permission,he just stared at us and said nothing. A.been asked B.asked C.asking D.to be asked38.The man kept silent in the room unless ______ .A.spoken toB.spoke toC.spokenD.to speak39.He was often listened ______ in the next room.A.singB.sungC.to singD.to to sing40.Rather than ______ on a crowded bus,he always prefers ______ a bicycle.A.ride;rideB.riding;rideC.ride;to rideD.to ride;riding41.The boy wanted to ride his bicycle in the street,but his mother told him ______ .A.not toB.not to doC.not do itD.do not to42.What‘s troubling them is ______ enough experienced workers.A.that they have toB.they have notC.their not havingD.not their having43.______ his telephone number,she had some difficulty getting in touch with Bill.A.Not knowingB.Knowing notC.Not having knownD.Having not know44.Bamboo is used ______ houses in some places .A.to buildB.to buildingC.to be builtD.being built45.Go on ______ the other exercise after you have finished this one.A.to doB.doingC.withD.to be doing46.The day we looked forward to ______ .eingC.has comeD.have come47.Whom would you rather ______ the work?A.to have to doB.to have doC.have to doD.have do48.Do you think it any good ______ with him again?A.to talkB.talkingC.to talkingD.having talked49.Sometimes new ideas have to be tested many times before ______ .A.accepting fullyB.being fully acceptedC.fully acceptingD.fully being accepted50.The government forbids ______ such bad books.A.publishedB.to publishC.publishD.publishing第一节、单项填空(共15小题;每小题1分,满分15分)从A、B、C、D 四个选项中,选出可填入空白处的最佳选项。

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