zh-CNiwms.net pic/logo.gif http://www.enun.cn Sat, 10 Jun 2006 00:08:51 GMT 1)　and 与or
　判断改错：
　(错) They sat down and talk about something.
　(错) They started to dance and sang.
　(错) I saw two men sitting behind and whisper there.
　(对) They sat down and talked about something.
　(对) They started to dance and sing.
　(对)I saw two men sitting behind and whispering there.
解析：
　 第一...]]> Sat, 10 Jun 2006 00:08:51 GMT ...]]> Sat, 10 Jun 2006 00:08:46 GMT 词。so 还可与表示数量的形容词many，few，much， little连用，形成固定搭配。
so + adj.　　　　　　　　　such + a(n) + n.
so + adj. + a(n) + n.　　　such + n. (pl.)
so + adj. + n. (pl.)　　　 such +n. (pl.)　
so + adj. + n. [不可数]　　such +n. [不可数]
so foolish　　　　　　　　 such a fool　
so nice a flower　　　　　 such a...]]> Sat, 10 Jun 2006 00:08:46 GMT 　　 Some people love cats, while others hate them.
典型例题　
--- Would you like to come to dinner tonight?　　
--- I'd like to, ___ I'm too busy.
　A. and　 B. so　 C. as　 D. but　　
　答案D。but与前面形成转折，符合语意。而表并列的and， 结果的so，原因的as都不符合句意。
2) not…but… 意思为"不是……而是……"
　　 not 和but 后面的用词要遵循一致原则。
　　 They were no...]]> Sat, 10 Jun 2006 00:08:46 GMT 判断改错：
　 (错) For he is ill, he is absent today.
　 (对) He is absent today, for he is ill.
　 for是并列连词，不能置于含两个并列分句的句子的句首，只能将其放在两个分句中间。
2) so, therefore
　　He hurt his leg,...]]> Sat, 10 Jun 2006 00:08:46 GMT 　　 I must work hard, or I'll fail in the exam.
2) either…or　意思为"或者……或者……"。注意谓语动词采用就近原则。
　　 Either you or I am right.
...]]> Sat, 10 Jun 2006 00:08:46 GMT 2) 但有时and 也可用于否定句。请注意其不同特点：
　　 There is no air or water in the moon.
　　 There is no air and no water on the moon.
　在否定中并列结构用or 连接，但含有两个否定词的句子实际被看作是肯定结构，因此要用and。
典型例题
　---I don't like chicken ___ fish.　
　---I don't like chicken, ___ I like fish very much.
　A. and； and　 B. and； but　C....]]>