新编大学英语综合教程Unit 7语法练习答案

新编大学英语综合教程

Unit 7

语法练习答案

Choose the best answer and fill in the blanks.

选择最佳答案填空.

1. With the development of science, more new technology ____ to the field of IT.

A. has introduced B. is being introduced

C. is introduced D. was introduced

【解析】B。随着科学的发展，新的技术正在被引进到IT领域。考查时态语态。结合语境可知本句描述的是现在正在进行的动作，故用现在进行时态。主语more new technology是动作对象，故用被动语态，选B。

2. My dictionary ____ . I have looked for it everywhere but still ____ it.

A. has lost; don't find B. is missing; don't find

C. has lost; haven't found D. is missing; haven't found

【解析】D。我的词典不见了。我到处找它但是到现在还没找到。这里词典是丢失的对象，应用被动语态排除AC，根据still可知该句叙述的是过去到现在的事情，应使用现在完成时的否定形式，因为它可以表示目前还未发生的动作。

3. They won't buy new clothes because they ____ money to buy a new house.

A. save B. are saving C. have saved D. were saving

【解析】B. 他们（现在）不愿买新衣服，因为他们在攒钱买一座新房子。由此可见，攒钱是现阶段正在进行的动作。

4. Remember to send me a photo of us next time you ____ to me. 下次给我写信时记得给我寄一张我们的照片。

A. are writing B. will write C. has written D. write

【解析】D。next time引导时间状语从句，而且其谓语动词常用一般现在时表示将来。

5. The traffic in our city is already good and it ____ even better.

A. gets B. got C. has got D. is getting

【解析】D。我们城市的交通已经很好了，而且正在变得更好。现在进行时可用于表示动作的渐进过程。

6. —Excuse me, sir. Would you do me a favor?

—Of course. What is it?

—I ____ if you could take me to the station.

A. would wonder B. did wonder

C. was wondering D. had wondered

【解析】C．—对不起，先生。你能帮我个忙吗？

—当然。这是怎么一回事？

—我想知道你能不能带我去车站。某些动词（如：wonder, hope, think等）常用过去进行时表示委婉的语气。

7. The baby is generally healthy, but every now and then he ____ a cold. 这个婴儿总体上很健康，但偶尔也会感冒。

A. has caught B. is catching C. will catch D. does catch

【解析】D。every now and then意为“有时，偶尔”，应与一般现在时连用。does表示强调。

8. I used to drink a lot of tea but these days I ____ coffee.

A. prefer B. preferred C. had preferred D. am preferring

【解析】B．我过去常常喝很多的茶，但是目前这段时间我喜欢喝咖啡。本题的关键词是these days说明讲述的是现在一段时间里经常发生的事情，故使用一般现在时。

时态题的考查关键是抓住句子的上下文含义和句中的时间状语。要根据时间状语来选择合适的时态，在平时的学习中要注意积累有关时态的用法和各种时态的特殊之处。如since， so far等经常与现在完成时连用。在条件状语从句中用一般现在时代替将来时等等。

9. He ____ at the meeting, but his heart attack prevented him.

A. will speak B. is going to speak

C. had to speak D. was going to speak

【解析】D。他本来打算在会上发言，但心脏病发作阻止了他。由题意可知应该用过去将来时。

10.--How are you planning to travel to Shanghai?

--I ____ yet, but I ____ taking a train.

A. didn't decide; am considering B. haven't decided; consider

C. haven't decided; am considering

D. hadn't decided; have considered

【解析】C。--你打算怎么去上海旅游？

---我还没决定，但我正在考虑乘火车。前空表示还没有决定，用现在完成时；后空表示现在正在做的事，用进行时。

11.--Got your driving license?

--No. I____ too busy to have enough practice, so I didn't take the driving test last week. I'm going to next week.

A. Was B. have been C. am D. had been

【解析】D。--你有驾照吗？

--没有。我太忙了，没有足够的练习，所以我上周没有参加驾驶考试。我打算下周去。问句中Got your driving license？为Have you got your driving license？现在完成时的省略表达，对选项无影响。决定选项动词时态的是答句。分析句意可知，选项动作发生在后一动作之前，表示过去的过去，故应用过去完成时。

12.--Who's the man over there? ——那边那个人是谁？

--It's Jack.——那是杰克。

-Oh? ____ in Italy.——哦？我以为他在意大利。

A. I think he's B. I've thought he's been

C. I thought he was D. I'd thought he'd been

【解析】C。此处的想法与现在不符，为过去的想法。

13.--I dropped in at your house at about ten last night, but you weren't in. 昨晚十点左右我顺便去你家，但你不在。

--I ____ regular exercises at the club.我在俱乐部做定期锻炼。

A. did B. was doing C. had done D. have been doing

【解析】B。

14. --Oh, dear. I forgot the air tickets. --哦，亲爱的。我忘了带机票了。--You ____ something. 你总是丢三落四的。

A. have left B. are always leaving

C. are leaving D. always left

【解析】B。进行时态与always, all the time等连用，表示习惯性行为，且带有浓厚的感情色彩。

15.--Each of the students, working hard at their lessons, ____ the book. 每个学生都在努力学习，都读过这本书。

--So have I.

A. is reading B. has read C. reading D. reads

【解析】B。由答语中的助动词have可确定用现在完成时态。