常用介词 $ j$ u5 p+ v9 e' b3 o
常用介词的用法
9 o( R7 ?' N& r 常用介词包括简单的，
5 `0 y Z; P( x9 N3 L7 j3 R 如：in, on, at, from, to, like, of, for, after, before, by, with, to, since, between, etc.； 0 N1 H9 l" o; f/ m' K' c
还有一些组合的，如：into, onto, out of, throughout, within, upon, etc. $ j9 U" u# D! I
这些词的具体用法需要下功夫搞清，在TOEFL题中都有所体现。 3 E$ i- g' v* G0 G3 j
例题：
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----one time, Manchester, New Hampshire, was the home of the most productive cotton mills in the world. 0 |- j* k; g4 \
(A) On
7 z8 h" B7 g8 Q9 K* `# @( T* J' N9 P( q (B) At % q, B% q4 @) }8 [$ g4 m
(C) By 2 @& g3 C6 V( F1 E
(D) To 0 J( S+ j/ v& a
答案：B ( ^# j% \2 v. J# R) G
解释：据选项可知需填介词，词组at one time意为“曾经、一度”，符合句意。 ( q. p; }9 M) E0 v# b2 `
(2) 2 r3 ^8 O4 [# _( p% t0 z5 B
Saint Elmo’s fire is a luminous blue discharge of electricity sometimes seen when a thunderstorm. 4 l" {+ g7 T; O& U! q
应改为：in.
4 K% q; T; `1 G3 D( f 解释：when是连词，一般只引导从句，应该用介词引导宾语 |
发表于 2012-8-14 23:32:39
