31. The Earth’s magnetic poles are not stationary, but slowly shift its position.
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答案：D 测试点：代词数的一致.
. w8 t$ L z' ~( a3 K d3 r分析：此处代词指的是复数的poles，不能用单数的its，应为their，portion亦应相应改为复数. / A4 D! D0 a+ W% M$ r( ]
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32. A emotion is not necessarily aroused by something in the outside world.
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$ v3 c ]8 J8 t# H答案：A
" ]# c! h1 @; F测试点：冠词.
6 m6 X1 x& Z- m6 e. j, ]2 i分析：a和an的用法以元音开头的名词前要用冠词an，不用a.
j3 \9 O" d( v) w: _解题要点：注意划线的冠词a或an是否用错.
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33. The elbows are joints that connected people’s up arms with their forearms. 0 ^6 @; b! d, S( Z' _
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答案：D 0 F$ n7 `7 {9 W% l- S% H' @! f
测试点：词性. H* s2 n7 E5 S& ] y
分析：up是副词，此处应用形容词upper. 6 f! s; z! D6 A" H( e" X I
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34. Ants have an elaborate structure social, and enjoy a longevity far greater than that of most insects. F- ^4 a4 M0 U2 M
) U% W$ W5 @5 x! p9 f1 I答案：B
5 D& B! Z( N0 Y" t) M测试点：词序。 4 }' \5 Y( F$ i, q, \6 i
分析：单个的形容词修饰名词时，应放在名词前。此处应为social structure。 8 H* z: t6 B" v' D% k. f
解题要点；形容词定语及其修饰的名词前后词序颠倒是TOEFL常考题型．应注意划线的名词+形容词的错误形式.
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( Q. w; r- Y9 O2 I* a35. Municipal planners deal chiefly for the physical layout of communities.
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. D( E+ @! Y6 ?( \' ?# n! f7 @答案：B 8 [- W- }7 _/ N4 l0 o
测试点：习语.
8 x n" c2 B4 n3 W' D: d分析：Deal with是固定短语. |
发表于 2012-8-14 22:34:35
