托福考试辅导：语法讲解（25）

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考点三 连接从句或不定式
介词之后还可以接宾语从句或不定式短语，但要借助于
, `- }3 T5 m) p% ^9 J1 E! S8 {2 P连接代词  (如：what , which, whom)
( z2 s" [7 o  I2 |8 S或连接副词  (如：how, when，where)
例句：         I knew nothing about how he got the green card.
She's pretty hesitant about which one to choose.
. s( {. K* I+ z  y% P( H/ n& W6 K  C例题：
(1)
The Cubists were concerned with how----a given subject from different points of view simultaneously.
(A) represented
8 y8 c/ n9 s5 e+ b" d8 T" J6 ^; ^; J(B) do they represent
9 y* a: I2 Z) X6 {+ k  Z& W1 o( o(C) to represent
(D) representing
' {0 w3 Z$ P/ x2 P' c答案：C
6 D- }, _4 M8 t% f) K# O- o2 o3 Y1 J解释：介词with后面的宾语不完整, C 是不定式短语作宾语. A D都不足以和how构成宾语从句;  B不应用疑问句语序, 若去掉do则是正确的
(2)
. t( ?8 W& X2 Y) f7 w5 JThe scholarly interest in perception stems largely from questions about the sources and validity of what ----.
% T$ p* g! a1 w+ m' g. C (A) it is known as human knowledge
' B  D2 b9 j+ j8 x' K2 l: ^ (B) is known as human knowledge
(C) known human knowledge
(D) is human knowledge known
答案：B
解释：介词of的宾语残缺, B 构成宾语从句, 包含短语be known as；A多主语it; C 无法与what契合; D 语序错误
注意：介词后面不能够接 that 所引导的从句，除非in that连起来作为特殊的状语从句引导词，表原因
(3) (Exer1_21_31)
Soprano Julia Migenes-Johnson believes in that her Latin American background   helped her interpret the role of the Spanish character Carmen in a 1984 opera film.
应改为：believes
解释：介词后面一般不能够接that 引导的从句。除非in that连起来
$ T. I) T1 m  ^' t& v: q0 N, B(4)
Hovercraft, or air-cushion vehicles, are unusual ---- travel over land and water on a layer of air .
5 X: N* u, Z8 u* e) X2 b (A) they
% R, Y: ^. P# {" t3 O0 V (B) in they
( C; ~/ G  K" d/ b (C) that they
(D) in that they
# d) w$ Y1 z# T2 Y& R, O答案：D
5 h# b6 d  A$ A1 h, a解释：空格前是句子的主谓语，空格后是谓语结构，空格处需要从句引导词及从句主语，只有D符合题意，in that是特殊的状语从句引导词，表原因
7 x4 L& g! L& v" p$ V词汇：hovercraft: 水翼船,  cushion: 垫子