英语四六级冠词用法讲练

（一）冠词的位置
1) 在名词词组中，冠词一般放在最前面。例如：
the last few days a really good concert
2) 名词词组里如果有all, both, exactly, just, many, quite, rather, such, what等词，这类词可以放在冠词之前。例如：
all the time both (the) brothers
exactly the wrong colour just the right place
quite a nice day rather a mess
such a funny story
3) 和as, how／however, so, too连用时, 形容词放在冠词之前。例如：
He’s not so big a fool as you think.
She’s as clever a girl as you’re ever likely to meet.
This is too heavy a bag for me to carry.
How large an armchair did he have?
However tiring a day she may have, she never loses her good humour.

（二）不定冠词 (Indefinite Article)
1) a／an表示“任何一个(类)”，只能用于单数可数名词前。例如：
We are having a committee meeting this afternoon.
a／an不用于不可数名词前。例如：
There will be discussion and argument at the meeting.
He drinks milk every day.
2) 不可数名词用作可数名词时，可用a／an。例如：
I’ve just bought a lovely big Danish cheese.
I don’t like cheese.
She was inspired with a new courage.
She showed great courage.
3) 用于表示价格、速度、比率等名词前，如five pence a kilo, sixty kilometers an hour, four times a day等。
4) 用于下列这样的固定短语中。如a couple, a dozen, half a dozen, a hundred, a lot of, a great many, a great deal of, a large amount／quantity of, a good number of 等。
I’ve done a great deal of work today. (不可数)
What a large number of books you have! (可数)
It’s a good five miles(=at least five miles, perhaps mote) to the station.
5) 以元音开头的单词前不定冠词用an, 如：an apple, an egg, an item, an old man, an umbrella, an hour; 以辅音开头的单词前不定冠词用a university student, a humorous man。

EXERCISE l
A. Put a or an before each of the following:
1. motel (汽车游客旅馆) 2. unusual approach
3. honest boy 4. awkward situation
5. exit (出口) 6. urgent message
7. unique opportunity 8. extremely exciting film
B．Translate the following into English：
1．一座新办公楼 2．一位旅行社代理人
3．一位美国科学家 4．一天的郊游
5．一张印度邮票 6．一次心脏病发作
7．一个先进国家 8．一个有意思的剧本

EXERCISE 2
Fill in the blanks with a or an where necessary:
1. Telephone is very important means of communication.
2. Mothers often tell small children stories before bedtime.
3. I'll pay you thousand year. It’s not enormous salary but after all you are completely unskilled worker.
4. —You’11 get shock if you touch live wire with that screwdriver(螺丝起子). Why don’t you get screwdriver with insulated(绝缘的)handle?
5. — I’m not wage-earner; I’m self-employed man. I have business of my own.
—Then you’re not worker; You’re capitalist!
6. —I have hour and half for lunch.
—I only have half hour — barely time for smoke and cup of coffee.
7. It travels at just under thousand miles hour.
8. I have never known such hot weather.
EXERCISE 3
Insert a or an where necessary:
A．
1. I had very bad night; I didn’t sleep wink (眨眼；打盹).
2. This man has honesty that we all appreciated.
3. Mr. Brown had vision of new and happier Europe.
4. It’s time you had holiday. You haven’t had day off for month.
5. There is hourly service of buses in this route.
6. It is great honour to be invited to such gathering.
7. 1 wouldn’t climb mountain for $ 1, 000! I have horror of heights.
8. Children usually learn the difference between right and wrong at early age.
9. I can’t tell you definitely yet. I'll have word with my wife about it and tell you our decision tomorrow.
10. If boy is not making satisfactory progress at school, his parents should seek advice from his teacher.
B．
1. This is big problem, but not too big problem for us to solve.
2. He had square nose, grey hair and brown skin. She had never seen so handsome man.
3. However great disaster he suffered, John never gave up.
4. Many shipwrecked sailor has been rescued by our brave coastguards(海岸警卫队).
5. Such urgent need requires prompt action.
6. So urgent need requires prompt action.
7. This is as lovely picture as I have ever seen.
8. I don’t think you realize what serious crisis this is.
9. You can hardly hope to succeed where many greater man has failed.
10. How serious crime had been committed was not realized until much later.