大学英语1部分课文译文与课后练习答案.doc
64页大学英语(1)部分课文译文与课后练习答案Unit 1 目前时Ⅰ. Choose the best answer to complete each of the following sentences. 1 I'm afraid I can't finish the work ___________to help me. A. unless you will comeB. unless you comeC. until you will comeD. until you shall come 对的答案:B答案解说:在时间、条件状语从句中,往往用一般目前时来表达将来的动作,故可以排除A、C 和D根据题意,选择“除非你来帮我,否则我恐怕完不成工作”更合情理,因此答案为B 2 We can go when the ground____________. A. is dryingB. has driedC. driedD. dry 对的答案:B答案解说:有时为了明确在时间上分句动作的完毕先于主句的动作,也可用目前完毕时表达将来某一时刻前完毕的动作,但不能用将来完毕时的形式因此,答案为B,意为 “本地面干了后来,我们就可以走了。
3 Come and sit down by the fire. Your hand____________. A. feel so coldlyB. is feeling so coldC. feels so coldD. is felt so cold 对的答案:C答案解说:主语your hand是单数形式,谓语动词也应选择单数形式,故可以排除A表达主语具有的特性、状态时应用一般目前时,故又可以排除B表达某物给人以某种感觉时应用积极语态,因此选C,意为“过来坐在火边,你的手很凉” 4 Various programs____________on TV. World news____________best received. A. will show, areB. are shown, isC. are showing, isD. have shown, are 对的答案:B答案解说:第一句话的主语various programs是复数,故应选择复数的谓语动词,而第二句话的主语world news是单数,要相应单数的谓语动词,这样便可以排除A和D节目应当是被播出,因此应当选择被动语态,故答案为B,意为“电视上播出多种节目,世界新闻最受欢迎”。
5 I can't find my dictionary.I wonder whether Mary____________it now. A. haveB. hasC. is havingD. had 对的答案:B答案解说:有些动词不能构成进行时,重要有如下几种1)表达“存在” 的动词:be,consist,exist等2)表达“所有”的动词:belong,have,keep,own,possess等3)表达“知觉”的动词:feel,hear,small,see,understand等4)表达“结识”的动词:believe,find,know等5)表达“感情”的动词:hate,like,love等因此,答案为B,意为“我找不到我的字典了,我想懂得与否玛丽拿了” 6 "I'm sorry to have kept you waiting.""Oh, not at all. I ____________here only a few minutes." A. have beenB. had beenC. wasD. will 对的答案:A答案解说:时间状语only a few minutes表达“我在这儿等了一段时间了”,这个动作从过去发生始终延续到目前,应用目前完毕时,因此答案为A,意为“——对不起让你久等了。
——噢,没关系,我刚来几分钟” 7 Do I have to take this medicine? It ____________ so terrible. A. tastesB. is tastingC. is tastedD. has tasted 对的答案:A答案解说:谓语动词taste表达主语it具有的特性、状态,应用一般目前时,故可以排除B和D表达某物尝起来怎么样应用积极语态,因此选A,意为“我必须吃这药吗?尝着太苦了” 8 When I was a child, my teacher told me that the earth ____________round. A. wasB. had beenC. has beenD. is 对的答案:D答案解说:动词表达普遍事实和客观真理时,应用一般目前时地球是圆的”是一种客观事实,因此不管主句是什么时态,谓语动词应为一般目前时,即D为对的答案,意为“当我小的时候,我的教师告诉我地球是圆的” 9 "There is too much snow these days, isn't there?""Yes, it ____________for a few days." A. was snowingB. has been snowingC. had been snowingD. snowed 对的答案:B答案解说:时间状语for a few days表达“雪已经下了好几天了”,根据上下文可知近来始终在下雪。
下雪”这个动作从过去开始,始终延续到目前,强调动作的继续性质,因此应用目前完毕进行时,即答案为B,意为 “近来几天始终在下雪,不是吗?是啊,已经下了好几天了” 10 "Can I join your club, Dad?""Yes, you can when you ____________a bit older." A. getB. will getC. are gettingD. will have got 对的答案:A答案解说:在时间、条件状语从句中,常用一般目前时表达将来的动作,因此在本句中when引导的从句应用一般目前时,即选A,意为“爸爸,我可以加入你们的俱乐部吗?当你长大某些就可以啊” 11 Our team ____________every match so far this year, but we still have three more games to play. A. was winning B. has wonC. had wonD. wins 对的答案:B答案解说:时间状语so far this year表达目前刚完毕的动作,强调过去所发生的动作对目前的影响,因此应用目前完毕时,即选B,意为“今年到目前为止,我们已经打赢了每场比赛,但是我们尚有三场比赛要打”。
12 It is Friday today. My parents and I ____________New York on Saturday. A. are flying toB. shall be fly forC. have flown toD. will be flying for 对的答案:A答案解说:表达按筹划、安排和打算,不久将要发生的动作,可以用目迈进行时替代一般将来时,因此答案应为A,意为“今天是星期五,我和父母打算周六飞到纽约” 13 If it ____________ tomorrow, we'll go swimming. A. doesn't rain B. isn't rainingC. don't rainD. isn't to rain 对的答案:A答案解说:在时间、条件状语从句中,常用一般目前时表达将来的动作,因此本题应选A,意为“如果明天不下雨,我们就去游泳” 14 When he ____________ all the goods, he'll, of course, go home. A. will sellB. has soldC. sellsD. will have sold 对的答案:B答案解说:在时间和条件状语从句中,可用目前完毕时替代将来完毕时,因此本题应选B,意为“当她卖完了所有的货品,她固然会回家”。
15 Don't talk so loudly. Your father ____________ . A. sleepsB. is sleepingC. sleptD. has slept 对的答案:B答案解说:根据上下文,可知“爸爸此时正在睡觉,因此不要大声说话”,因此应选择目迈进行时,即答案为B Unit 2 过去时Ⅰ. Choose the best answer to complete each of the following sentences. 1 He ____________the Communist Party____________. A. has joined, inB. has joined, sinceC. joined, onD. joined, in 对的答案:D解析:本句意为“她在加入了共产党”,这是对过去发生的事件的陈述,应当用一般过去时,因此答案为D本句不能选择完毕时态,由于动词join不能表达动作的持续性,因此也就不能和since引导的时间状语连用 2 Kate said that ____________. A. she had finished writing the composition the night beforeB. she had finished writing the composition last dayC. I finished writing the composition on the last nightD. she finished writing the composition before the night 对的答案:A解析:从句动词finished所示的动作发生在主句动词said之前,因此从句应用过去完毕时。
时间状语last day是一般过去时的标志性短语,因此不能选B对的答案为A,意思是“凯特说她昨晚就完毕作文了” 3 My classmate____________a lot of good deeds for others. A. has been doneB. did C. was doingD. had done 对的答案:B解析:本句是对过去发生的事件的陈述,意思是“我的同窗为她人做了诸多好事”,因此应当用一般过去时,即选B 4 Jack____________ in the street when I____________on him. A. walked…calledB. was walking …was callingC. walked … was callingD. was walking …called 对的答案:D解析:本句的意思是“我拜访杰克时,。

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