历年托福考试语法真题全面解析23

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31. Pewter, a metal with an ancient heritage, is still practical medium for the nonprofessional metalworker.
  
答案：C
测试点：冠词。
2 A) m# t6 V2 W0 V; [* O分析：可数名词前应有冠词或代词。(C)后的medium是可数名词，其前虽有形容词practical，但缺少冠词。应为still a practical…。
  
' o) E& `) }2 q$ v" d32. According to cognitive theories of emotion, anger occurs when individuals believe that A they have been harmed and that the harm was either avoidable and undeserved.
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. a4 d( ~9 ?4 o! Y5 m( P答案：D
: c" G5 ^& x0 {; S( M! V1 i测试点：either…or和both…and的用法。
% N7 \/ Y  z5 j) D分析： 这两个连词词组在TOEFL考题中经常错误搭配。后文有and而无or，以此为线索，分析此处either错用，应当是both…and的结构。
  
2 P% R: t8 V3 \33. Jackie Mclean’s recordings have shown that he is one of the few jazz musicians who style A B of playing has kept pace with the evolution of modern jazz.
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; T- i, j  L) |! I' j! p答案：B
1 \" s: k2 M/ f& e$ \) r' a测试点：代词。
分析：名词前面应当用形容词性的代词修饰、限制。此处，名词style前应当用所有格的whose，而不用主格的who。
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34. How Native Americans developed corn is a puzzling, for no wild corn has ever been discovered, and it grows only where people plant and tend it.
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答案：B
1 l& @5 V- X: t; f. S$ R测试点：词性。
分析：看到句中的系动词its应想到其后的a…是表语，此表语由a+名词构成。puzzling是形容词，应用名词puzzle。
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35. A principle of manager is to ensure that every action or decision achieves a carefully planned goal.
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答案：A
测试点：近义词。
+ A8 ]2 z3 r4 }' u/ x; h; e: R分析：manager用以指“人”，前面应有冠词。a或the。此处应用指“事”的名词management