托福考试辅导：语法讲解（13）

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考点二  (not) so /as…as
& w( n3 Z  J1 y; H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，
8 ?6 `( Q4 j( l5 o) o2 {  Y如：It is as good as it looks.
   The boss is not so bad-tempered as you have described.
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。
例题：
(1)
The best way to control rats is by seeing that they have as ----.
  |3 z) ^' y" D- m. F  [. [( L (A) possibly little nourishment
(B) nourishment possibly little
(C) little as possible nourishment
(D) little nourishment as possible
% W" Y- u. M' E, u8 _0 }! L答案：D
8 R2 o# P; f- x3 a- y$ M  u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”.
# p4 l5 o. R. M1 e& y6 J3 {4 d(2)
0 b# A( O: s; \! t- C) @0 A- u There is evidence that prehistoric humans used fire ---- 400,000 B.C.
(A) so early
(B) the earliest
(C) as early as
: k7 [1 {" v* u: E5 m; S (D) so early that
& x4 D8 O. w0 j& |$ [8 O答案：C
+ ~8 a6 U% K, ~5 D" _1 j0 U$ b' [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
% x3 b3 K. O% @$ ?( h+ P
考点三 the same…as
8 `" `5 [8 u! A# g  y" y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.
" }& C5 X; r# s* D; }# x  i1 n# N   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 x% w& M0 Z7 u" f9 Q5 ?- C例题：
9 R+ z0 J+ b( f3 ~7 t! y. I: ?(1)
Meadowlarks 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”
& Q; m5 ~" z1 R2 q* z4 b(2)
Due to sophisticated transportation networks, people can now buy the same types of perishable goods in Toronto like in New York City.
应改为：as
" {. x; O- b( |解释：与the same相搭配的只有as, like不行