大学英语六级考试短文写作精讲－6
2008-06-14来源:
(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.
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.
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