托福考试辅导：语法讲解（13）

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考点二  (not) so /as…as
比较级特殊句式(not)so/as…as 表示“如同……一样、不如……”等意思，其结构和than句式相仿，但as…as之间的形容词必须用原形，而且as…as必须搭配使用，
3 j) {3 X1 ^* j: P/ N/ F7 [如：It is as good as it looks.
   The boss is not so bad-tempered as you have described.
  R9 C6 g, u: z( n0 b$ @2 O% Z填空题中常给出句子的一部分(第一个as)，要求填出相搭配的部分(第二个as)，一定要形成对这种搭配句式的敏感。
* g( p* P: R) s6 c$ B例题：
(1)
( C' O7 F# ~0 ?# k5 a& SThe best way to control rats is by seeing that they have as ----.
(A) possibly little nourishment
+ v! I$ a, Z- d" ~: [ (B) nourishment possibly little
(C) little as possible nourishment
(D) little nourishment as possible
3 T+ d/ W* I% R, f/ p& Q答案：D
解释：空格处需要动词have的宾语，同时包含as…as句式，A、B都缺少与as搭配的结构，C语序有误，均可排除。D中as…as possible, 为固定用法, 意为“尽可能”.
(2)
: \0 r' K3 l$ Q; f# } There is evidence that prehistoric humans used fire ---- 400,000 B.C.
(A) so early
- H0 |8 @2 y8 J) m; ]! s (B) the earliest
(C) as early as
1 H; E8 }# O0 m. S$ Y (D) so early that
答案：C
解释：依句意空格处需要“早在”这一意思的正确表达，只有C符合题意，用的是比较级特殊句式as...as
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考点三 the same…as
此句式也常用来表示“和……一样”，the same和as既可连用，也可分开使用，
如：She looks just the same as before.
   I got the same feeling as you did.
改错题中常将此句式误用为the same…like /than, 要练就一双火眼金睛将其识别出来
8 w6 Z! H+ O, D2 t例题：
(1)
7 a: b4 t4 h) L: ?. h, K7 eMeadowlarks are about the same size than robins, but they have heavier bodies,  shorter tails, and longer bills.
应改为：as.
解释：the same as是固定搭配, 表示“与．．．一样”
% j5 M4 @# ]0 ^; u7 V: \, d(2)
Due to sophisticated transportation networks, people can now buy the same types of perishable goods in Toronto like in New York City.
" Q" ]8 i: P& ^, C" o应改为：as
解释：与the same相搭配的只有as, like不行