历年托福考试语法真题全面解析75

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11. Ducks have been domesticated for many centuries ---commercially for their meat and eggs.
- X5 M- E! Z9 `5 M) s+ Z3 [7 o# Q(A) raised
6 S; m9 p  h' g* j& N/ Q2 R(B) and are raised
- f+ i6 D1 r' C9 `0 G1 j8 A1 b(C) raised as
0 P9 u$ P% @) |$ g9 w8 f5 M' y(D) are raised
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答案：B
: W. d  y) W: u" W+ F测试点；并列结构／连词。
2 j6 _5 \8 H- ~  c7 {! a; N; }分析：本句只有一个主语，但却有两个谓语部分。这两个谓语应用连词and连接，故选(B).
  
) J9 E' ]6 g5 o7 @# \0 r* N12. Maggie Lena Walker, an insurance and banking executive, ---and spent her entire life in Richmond, Virginia.
/ }6 c- j# n) I( C' d$ p(A) and was brought up
(B) brought up with
7 Y9 @' l; i5 p( v(C) who was brought up
(D) was brought up
2 M/ Y- m1 x* _- {% ]  
答案：D
5 H2 _5 O, q$ n/ E0 |测试点：谓语／并列结构.
分析：连词and要求它所连接的两边同词性、同性质．and后为动词，and前应是另一动词，故选(D)．(A)重复and； (B)多了介词；(C)为从句.
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13. The activities of the international marketing researcher are frequently much broader than ---.
(A) the domestic marketer has
(B) the domestic marketer does
5 ~1 \$ |1 N& N1 p6 s+ u5 g(C) those of the domestic marketer
. K  J0 W; V+ `) q4 c' F  E(D) that which has the domestic marketer
5 U( b2 J! J9 @* J' w  
答案：C
测试点：比较级.
分析：than后应加被比较的对象．本句被比较的是主语activities,可用those指代“以免重复，故选(C)。(A)(B)被比较的部分与原句不一致；(D)句子结构错误。
2 m! h* S7 {/ b2 y解题要点；答案中如有that of／those of出现，应首先考虑.
  
14. Mercury differs from other industrial metals ---it is a liquid.
: t. W6 r* |% O$ _- B. E1 E(A) whereas
& g0 s6 L6 B; x% P# k(B) in that
. X( i1 \+ P7 K(C) because of
(D) consequently
  
答案：B
2 k, q# m2 V' {3 M# G测试点：短语.
分析：空格后为表示原因的状语从句，故选(B)．(A)(D)不能表示原因；(C)为介词，不能连接句子.
解题要点：当4个答案中有in that时，应首先考虑它．In that引导状语从句，表示原因.
  
15. In black verse ---of ten syllables, five of which are accented.
(A) line consists of each
(B) consists of each line
(C) each line consists
(D) it consists of each line
  
答案：C
测试点；主谓结构／词序。
分析：关键词which说明逗号后为从句，则逗号前必然是主句。In引导的短语作状语，主句的主，谓语均缺，应在答案中选择主语+谓语动词的形式，即(C)．(A)(B)不是主谓结构，(D)用了形式主语，与句意不合.