历年托福考试语法真题全面解析54

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26. The first United States citizen to become a professional sculptor was Patience Lovell Wright, which works were executed in wax.  
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答案：C
& Y0 o/ g% x# J; H! W2 J测试点：从句连接词.
" K! E( ~& H3 A" ^8 \( F分析：此处的连接词在定语从句中作works的定语，应用whose.
  
8 |+ i7 p# A) o) z; ]27. A electric current can consist of charges that are positive, negative, or both.  
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; @# {4 W) o% N6 @; C% j% r答案：A
( h5 H. L% f5 k* t4 Y2 {0 h测试点：冠词a和an的用法.
) Z( P7 R$ e3 {8 t5 u4 t# m分析：electric以元音开头，前面冠词要用an.
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6 T1 S% H3 m; e0 A9 R28. Progress in the field of optically and new kinds of glass have made it possible to construct photographic lenses with a minimum number of materials.
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测试点；词性。
0 o# J% }, W- I1 ^2 g3 ~5 t# U分析：In the field of后接名词，而optically是副词。应为optics。
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) W+ a7 a  O, {# C6 N. }29. In nature, the distributive of plants is obviously related to climate.  
  
+ x+ m% _& q" ^: n! N答案：B 测试点；词性.
分析：在冠词the与介词of之间的，不可能是单个的形容词，而应是名词．此处应用distribution作句子主语.
解题要点：见到the／a…of之间的划线词，应注意它是否为名词.
  
; B4 N- K9 s9 k( m8 G* ^30. The United States Constitution requires that the President be a natural-born citizen, thirty-five years of age or be older, who has lived in the United States for a minimum of fourteen years.
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答案：C
测试点：并列结构.
分析：连词旧两边的成份应同性质．or前为表示年龄的短语thirty-five years of age后也应是说明年龄的older，动词be多余．(A)系词be是正确用法，因为前面的动词require要求其宾语从句用原形动词。