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1、Unit3 Computers(一 )课后练习题一：I would question the wisdom of borrowing such _ money. A. a lots of B. a large sum ofC. a large number of D. a great many of题二：A number of students _ playing on the ground but I dont know what the exact number_. A. are; isB. are; are C. is; is D. is; are 题三：It was long _ th
2、ey found their son. A. when B. since C. beforeD. that题四：It will be half a year _ I come back. A. before B. since C. when D. that题五：It has been ten years _ he left Beijing. A. before B. till C. since D. after题六： What was the party like? Wonderful. Its years _ I enjoyed myself so much.A. after B. befo
3、re C. when D. since题七：It was already dark _ we got home that day. A. before B. that C. when D. until题八：It was 1997 _ Hongkong returned to China. A. before B. that C. until D. when 题九：_ two exams to worry about, I have to work really hard this weekend. A. WithB. Besides C. As D. Because of题十：It was a
4、 pity that the great writer died _his works unfinished.A. forB. withC. from D. of题十一：With the job _, we went home quickly.A. finished B. finishing C. to finish D. finish题十二：She had to walk home with her bike _. A. to steal B. stolen C. stealing D. steal题十三：完成句子。1. 干眼症还可能是由其它原因造成的Dry eyes can _ many
5、other factors. 2. 这会给小学生的学习带来更大的压力.This will _ schoolchildren working under greater pressure. 3. 结果他只得离开_, he had to leave. 4. 她由于受伤而死亡。She died _ her injuries. 题十四：完成句子。1. 由于放疗，她开始掉头发。Her hair started falling out _ radiation treatment. 2. 结果坏事变成了好事_, the bad thing has been turned into a good one. 3
6、. 很多头发问题都是由饮食引起的。Many hair problems _ what you eat. 4. 使用这种技术会造成空气污染The use of such technique could _ air pollution. 题十五：1. Table tennis is _ that people all over the world play it. A. such an interesting game B. such interesting an game C. so interesting game D. so an interesting game 2. It was _ t
7、hat I had to stay at home. A. such a bad weather B. such bad weather C. so bad weather D. such bad a weather 3. This is _ that you should attend it.A. so an important meeting B. such important a meeting C. a such important meeting D. so important a meeting 题十六：1. She is _ that all of us love and res
8、pect her. A. such good teacher B. so a good teacher C. such a good teacher D. such good a teacher2. There were _ in the street watching the fire that firefighters could not get close to the building. A. so many people B. such many people C. so much people D. such much people3. There is _ that we can
9、t finish work on time. A. such little time B. so little time C. such few time D. so few time题十七：Accidents often _ from carelessness. A. ariseB. raiseC. begin D. rise 题十八：Lastyear,theadvertisingrate_by20percent.A.raisedB.arousedC.aroseD.rose题十九：_, 15 minutes of exercise is better than nothing. A. Aft
10、er allB. In allC. Above allD. First of all题二十：In order to continue to learn by ourselves after leaving school, we must _ learn how to study in the school now.A. after all B. in all C. above all D. first of allUnit3 Computers(一 )课后练习参考答案题一： B解析：本句意为：我怀疑借这么一大笔钱是否明智。a lot of或者lots of修饰可数名词复数或者不可数名词都可以，
11、意思是许多；a large sum of修饰不可数名词，意思是一大笔；a large number of修饰可数名词的复数形式，意思是许多；a great many of表示具体的某一个范围中的很多。题二： A解析：a number of一些、许多；the number of.的数目。句意：许多学生正在操场上玩，但是我不知道确切的数目是多少。结合语境可知前文主语为复数形式，故系动词用复数。下文主语number表示抽象含义，故谓语动词用单数，选A。题三： C解析：本句意为：过了很久他们才找到他们的儿子。before意思是在之前，意思是在他们发现他们的儿子之前过了很长时间。题四： A解析：本句意为
12、：半年后，我才回来。before意思是在之前，意思是在我回来之前时间过了半年。题五： C解析：本句意为：自从他离开北京已经十年了。此处考查句型It is/has been+时间段+ since从句，意思是自从以来有多长时间了。题六： D解析：本句意为：你觉得这次聚会怎么样？棒极了，我好多年都没有这么痛痛快快地玩了。此处考查句型It is/has been+时间段+ since从句，意思是自从以来有多长时间了。题七： C解析：本句意为：我们那天到家的时候已经天黑了。此处when引导的是时间状语从句，表示的时候。题八： D解析：本句意为：香港回归中国的时候是1997年。此处when引导的是时间状语
13、从句，表示的时候。题九： A解析：本句意为：由于有两场考试要担心，我不得不在这个周末努力学习了。as可以表示原因，但是as表示原因的时候是连词，要连接从句，此处考查的是with结构，即with+宾语+不定式的结构，表示将来有某事要做。题十： B解析：本句意为：很遗憾这个伟大的作家作品未完成就去世了。as可以表示原因，但是as表示原因的时候是连词，要连接从句，此处考查的是with结构，即with+宾语+过去分词的结构，表示宾语和做宾补的动词unfinished之间构成被动关系。题十一： A解析：本句意为：由于工作完成了，我们很快回家了。此处考查的是with结构，即with+宾语+过去分词的结构，表示宾语the job和做宾补的动词finish之间构成被动关系。题十二： B解析：本句意为：由于自行车被偷，她只好步行回家。此处考查的是with结构，即with+宾语+过去分词的结构，表示宾语her bike和做宾补的动词steal之间构成被动关系。题十三： 1. result from 2. result in 3. As a result 4. as a r
