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a.an.the的用法 a、an、the的用法( 三 )

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㈡常和 hundred, thousand, dozen 以及数目及数量连用 ， 如：
⑥ That factory turns out at least a hundred tyres a day.⑦ Noel's monthly salary is a thousand dollars.⑧ I have a number of sponsored students.⑨ Mary has a lot of money.
㈢在“of / at”后面出现 ， 以表示“同一类”这概念 ， 如：
⑩ Birds of a feather flock together.11. Please come one at a time.12. Things of a kind come together, so do people of a mind.
㈣常在“rather, quite, many, half, what, such”等字后面出现 ， 形成固定用法 ， 如：
13. Tom is rather a fool.14. I think Chinese is quite a useful language.15. Many a student has asked that question.16. The visitor left half an hour ago.17. What a fine day it is!18. How can you say such a thing?
㈤用在“so, as, too, how +形容词”这些结构里 ， 如：
19. We have not had so hot a day before.20. Susan is as clever a girl as Anna.21. That is too difficult a book for beginners.22. No one knew how serious a problem it was until later.
㈥出现在许多惯用语中 ， 如：
23. Bob always has a bone to pick with others.24. Some students turned a deaf ear to the teacher's advice.25. All must learn a language with an eye to mastering it.26. I hope you will make an effort to attend the meeting punctually.27. Jason has an aversion to being idle.28. The news of Jack's sudden resignation came as a bolt from the blue.
高考英语语法： a与an的用法
a用于辅音前;an用于元音前 。一般说来 ， 元音字母发元音 ， 辅音字母发辅音 ， 但需请注意以下3点：1. 拼写以辅音字母开头读音却以元音开头的单词hour, honest, honor等单词的拼写虽然以辅音字母h开头 ， 但其读音却以元音开头 ， 因此 ， 前面要用an 。可熟记下面这句话：An hour ago, an honest man accepted an honorable task. (一小时前 ， 一位诚实的人接受了一项光荣的任务 。)2. 拼写以元音字母开头读音却以辅音开头的单词useful, university, usual, European, united, one-eyed, one-way等单词的拼写虽然以元音字母开头 ， 但其读音却以辅音开头 ， 因此 ， 前面要用a 。可熟记下面这句话：In a university, a European and a one-eyed man walk along a one-way road with a usual tool. This is a usual thing. (在一所大学里 ， 有一个欧洲人和一个独眼龙拿着有用的工具沿着一条单行道行走 ， 这是件平常的事 。)如：Five years ago her brother was ________ university student of ________ physics. (上海卷)A. a; theB. an; theC. an; /D. a; /【分析】答案选D 。因为university是以辅音[j]开头的要用a ， 排除B和C;physics是学科名词 ， 前面不用冠词 。3. 英文字母前用a还是用an的问题在26个英文字母中 ， a, e, i, o, f, h, l, m, n, r, s, x等12个字母的读音是以元音开头的 ， 其余字母则是以辅音开头的 。如：Please pay attention to your spelling. You have dropped ________ ”m” here. (全国卷)A. anB. theC. /D. a【分析】答案选A 。因为字母m的发音是以元音[e]开头的 ， 所以用an;这里的an的意义与one相当 ， 表示“一个” 。

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