大学英语在线练习题.doc

1I'm afraid I can't finish the work to help me.

A. unless you will come

B. unless you come

C. until you will come

D. until you shall come 正确答案：B答案讲解：在时间、条件状语从句中，往往用一般现在时来表示将来的动作，故可以排除A、C和D o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,所以答案为B。

2Some of the water wasted by them.

A. was

B. were

C. are

D. being

正确答案：A答案讲解：本句的主语是some of the water z为单数，谓语动词也应选择单数形式，所以只有A正确，意为"他们浪费了一些水〃。

3Come and sit down by the fire. Your hand.

A. feel so coldly

B. is feeling so cold

C. feels so cold

D. is felt so cold

正确答案：C答案讲解：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。表示主语具有的特征、状态时应用一般现在时，故又可以排除B。表示某物给人以某种感觉时应用主动语态，所以选C,意为〃过来坐在火边，你的手很凉〃。

4Various programs on TV. World news best received.

A. will show, are

B. are shown, is

C. are showing, is

D. have shown, are

正确答案：B答案讲解：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，要对应单数的谓语动词，这样便可以排除A和D o节目应该是被播出，所以应该选择被动语态，故答案为B,意为〃电视上播出各种节目，世界新闻最受欢迎〃。

5You don't need to describe her. I her several times.

A. had met

B. have met

C. met

D. meet

正确答案：B答案讲解：根据时间状语several times ,我们可知〃遇见她"这件事情发生了很多次，对现在造成的影响就是"你不需要描述她了〃 ,所以此句应选择现在完成时，即答案为B ,意为〃你不需要描述她了，我遇见她好几次了〃O

6"I'm sorry to have kept you waiting." n0h z not at all. I here only a few minutes."

A. have been

B. had been

C. was

D. will

正确答案：A答案讲解：时间状语only a few minutes表示"我在这儿等了一段时间了"，这个动作从过去发生一直延续到现在，应用现在完成时，所以答案为A ,意为〃——对不起让你久等了。——噢，没关系, 我刚来几分钟"O

7Do I have to take this medicine? It so terrible.

A. tastes

B. is tasting

C. is tasted

D. has tasted

正确答案：A答案讲解：谓语动词taste表示主语it具有的特征、状态，应用一般现在时，故可以排除B和D。表示某物尝起来怎么样应用主动语态，所以选A，意为〃我必须吃这药吗？尝着太苦了"。

8When I was a child, my teacher told me that the earth round.

A. was

B. had been

C. has been

D. is

正确答案：D答案讲解：动词表示普遍事实和客观真理时，应用一般现在时。〃地球是圆的〃是一个客观事实，所以不管主句是什么时态，谓语动词应为一般现在时，即D为正确答案，意为〃当我小的时候，我的老师告诉我地球是圆的"O

9"There is too much snow these days, isn't there?" "Yes, it for a few days."

A. was snowing

B. has been snowing

C. had been snowing

D. snowed

正确答案：B答案讲解：时间状语for a few days表示〃雪已经下了好几天了"，根据上下文可知最近一直在下雪。"下雪”这个动作从过去开始，一直延续到现在，强调动作的继续性质，所以应用现在完成进行时, 即答案为B,意为〃最近几天一直在下雪，不是吗？是啊，已经下了好几天了〃o

10"Can I join your club, Dad?" "Yes, you can when you a bit older."

A. get

B. will get

C. are getting

D. will have got

正确答案：A答案讲解：在时间、条件状语从句中，常用一般现在时表示将来的动作，所以在本句中when 弓I导的从句应用一般现在时，即选A,意为〃爸爸，我可以加入你们的俱乐部吗？当你长大一些就可以啊〃。

11Our team every match so far this year, but we still have three more games to play.

A. was winning

B. has won

C. had won

D. wins

正确答案：B答案讲解：时间状语so far this year表示现在刚完成的动作，强调过去所发生的动作对现在的影响，所以应用现在完成时，即选B,意为”今年到目前为止，我们已经打赢了每场比赛，但是我们还有三场比赛要打"。

12It is Friday today. My parents and I New York on Saturday.

A. are flying to

B. shall be fly for

C. have flown to

D. will be flying for 正

确答案：A答案讲解：表示按计划、安排和打算,不久将要发生的动作,可以用现在进行时代替一般将来时，所以答案应为A,意为〃今天是星期五，我^父母打算周六飞到纽约"。

13If it tomorrow, we'll go swimming.

A. doesn' t rain

B. isn't raining

C. don't rain

D. isn't to rain

正确答案：A答案讲解：在时间、条件状语从句中，常用一般现在时表示将来的动作，所以本题应选A, 意为〃如果明天不下雨，我们就去游泳〃O

14When he all the goods , he'll, of course, go home.

A. will sell

B. has sold

C. sells

D. will have sold

正确答案：B答案讲解：在时间和条件状语从句中，可用现在完成时代替将来完成时，所以本题应选B,意为〃当他卖完了所有的货物，他当然会回家〃。

15Don't talk so loudly. Your father.

A. sleeps

B. is sleeping

C. slept

D. has slept

正确答案：B答案讲解：根据上下文,可知〃父亲此时正在睡觉,所以不要大声说话"，所以应选择现在进行时，即答案为B。