历年托福考试语法真题全面解析66

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6.Amplifiers such as those in computers and sound –reproducing systems are responsible for --- an erratic input signal.
(A) strengthening
8 T" h$ h% V4 N* y: c+ }# l(B) being strengthened
, K6 t8 y0 E" T; T4 M/ Z' C3 R2 n% m(C) strengthen
(D) to strengthen
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答案：A
测试点；介词宾语。
& v( R8 R9 E5 v3 K* @; z" L  E( c分析：介词for后应接名词性成份。(A)strengthening是动名词，可作介词宾语。(B)是其被动形式，与句意不合；(C)(D)为动词形式.
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$ g7 z0 u2 w  Y- h( S7.--- John Aaron Lewis pioneered in the development of “third stream music,”a blend of jazz and classical music.
(A) A composer, who was
+ {( p+ _) h" V, X) g& V- @5 v(B) He was a composer
9 Y) b: X) d  p( k; I3 l: P- v, T& N(C) As a composer
, X  C5 ]" j' V) A3 s+ N(D) When a composer he
  
6 h0 ?' Z$ n4 c! q答案：C
3 A+ p6 f9 F/ j2 c5 m" U测试点：状语.
* c  a9 S) `9 t9 |分析：空格后为一完整的句子，而主语是一人名，所缺通常是一个说明此人身份的短语，同位语或状语．故选(C)是介词短语，可作状语．(A)、(D)均含有从句成份，使句意不通；(B)是一单句，与空格后的部分无法衔接.
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8.In reorganizing the curriculum of Mt. Holyoke College in the late 1800’s Elizabeth Mead laid the foundation --- the modern college rests.
+ E& P5 o* M: W2 y! X0 E(A) is which
(B) on which
/ T3 {  A( b  ^2 c(C) which is on
(D) on it
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9 G# ~' M, d, O2 w+ C: Y* ?5 q答案：B
  E) j. a# U( C8 e* y2 u' [测试点：介语+which结构。
* `. O+ w/ Y. e- ?分析：名词foundation后为其定语从句，从句主、谓俱全，所缺为表示地点或范围、方面的状语应选择介词+which的结构，即(B).
  
8 R; [8 u" ]& c' Z: h  m& t9.Research into the dynamics of storms is directed toward improving the ability to predict these events --- to minimize damage and avoid loss of life.
(A) and thus
6 f( X4 h7 p5 |(B) so
: f( S. s; H% N' |8 j$ S(C) however
5 Q" o- T2 I( [2 y. V9 A# v. j. g(D) because
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8 P) u" d  |+ u7 |答案：A
0 D' v& O9 W% r' J4 Q, n0 s; R0 x  b测试点：连词并列结构.
- s+ [" p. I# p# S' p# d分析：名词ability后面有两个并列的不定式短语． predict和to minimize…，应当用连词and连接．thus是副词，意为“因此，从而”，and thus常常连用．(B)so是错误搭配，正确用法是so as to.
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4 ~6 V: k- b1 \) Z% P10. --- lived on the North Saskatchewan River long before the Hudson’s Bay Company built a fur trading post there.
(A) Cree people
(B) For Cree people
8 O1 O6 T* \, ~: F(C) It was Cree people
(D) Where Cree people
  
答案：A
测试点；主语。
* Q& |" ]& e1 U( Q# |$ ]分析：句子有谓语而无主语，应在答案中选择名词或名词词组。(A)是名词词组；可作主语．(B)多了介词；(C)是形式主语结构，与后文不符；D)为从句形式.