历年托福考试语法真题全面解析56

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36. As inevitably as human culture has changed with the passing of time, so does the environment.
5 R; p) `9 t1 X' C5 y2 F3 u  
9 n* v; `3 d' a0 U2 K2 \答案：D
& K: T% R, O* M; ?, K! |6 g测试点；as…as结构。
分析：根据句子前半部分的谓语动词形式(has changed)， (D)应为has。 此句的正常结构应为The environment has changed with the passing of time as inevltably as human culture.
  
37. For some purposes it is convenient to think of a surface as the locus generated when a line straight or a curve moves through space in a prescribed manner.  
  
8 u* [2 c2 x2 W  w# T2 K; N/ h答案：B
; k: ?5 N0 b5 w; G, }测试点：词序.
  w1 f& h5 t7 D/ g& A5 O分析：单个形容词修饰名词时，一般放在名词前面．应为straight line。
解题要点：单个形容词作定语，应置于名词前面．而在TOEFL考题中这个词序常常被颠倒．应留心划线的名词+形容词的错误形式.
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38. A significant proportions of the plants and animals of Hawaii exists nowhere else in the World  
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5 w3 H1 D* v* G) ~答案：A
测试点；数的一致。
分析：冠词A后接单数名词，不能用复数的proportions。应去掉s。
" M. X/ [2 D, @8 m3 p+ m1 M0 B  
! y3 S8 r5 G* R39. Mass advertising is employed when person – to – person selling is impractical, impossible, or simply inefficiency.  
  
( H1 \  T( r7 Y0 U答案：D
- O0 a* F+ h' s+ h& D6 `测试点；词性／并列结构.
0 r' @: Q3 t2 `) G% g6 E' C分析：or所连接的部分应同词性、同形式．此处名词inefficiency应为形容词inefficient,与impractical和impossible并列.
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7 ]8 n1 \) n+ z* y40. Mexican jumping beans are actually seeds in which contain moth larvae whose activity causes the seeds to “jump.”
  
1 i  S+ h/ k/ o) `' f2 `0 i/ Y答案：C
测试点：主语.
分析：此处定语从句中的连接代词which兼作从句主语，前面不用介词.