31. For centuries waterwheels were the only sources of power aside from human and animal strong . : T: z& ?5 X7 G
7 _, p; `, [8 l( w1 L答案：D + |) O( W+ X. g- K
测试点：词性.
, T/ o7 z! C2 ]7 _3 u分析：形容词human与animal修饰的应是名词，而strong是形容词．应为strength. % `, T, l n! [( s$ ?* `
解题要点：应记牢strong及其名词strength两个词形. 0 e$ a/ ]+ E: n5 p
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32. Proteins form the most of the structure of the body and also act as enzymes.
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1 y. c5 Z& T% b. I答案：A
, u8 Z/ H# B; L5 x测试点；冠词。
4 u3 g- @% K. |, p分析：most后接名词或介词，意为“大多数”，不是最高级形式，前面不加冠词。
8 n% A5 F) }! f7 X解题要点，；most+名词(大多数的)和the most+形／副(最高级)在TOEFL考题中常见混淆用错. $ p6 |$ Y0 m; Q$ f
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33. The attorney general of the United States advises the President on any questions of law who may arise in the conduct of administrative affairs.
4 R! O" a: |( ?% V8 D% Y
) g! G! l6 g4 @# g; T3 B7 s; n1 T答案：B
5 T y( j4 C$ R% |" X测试点：who和which的用法. 2 ?, |1 r: M+ X
分析：定语从句中，作主语的关系代词指代先行词law，是物而不是人，不能用who．应为which或that. $ L; f4 {+ ^, q5 | e- I
解题要点：关系代词who和which混淆错用是TOEFL常考题型.
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34. Many of the science fiction publications by Ray Bradbury display a desire to rebel against society’s depend on machines.
% {2 }' ~) T7 z0 D) H
: S8 \. S- b) B, X0 f! M答案：D " }& i, c* q/ a* w* h/ F4 ^! s) L
测试点：词性. * Y1 V: g; U& D. x1 q# Y
分析：名词所有格’s后应接名词，(D)depend应为dependence.
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8 A( M1 m" ?+ M, F ]% V8 {0 I; M35. The age of a geological sample can be estimated from the ratio of radioactive to nonradioactive carbon present in the object is examined.
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5 |' ?" T9 H: o, [" c答案：D + w" G: X! z1 F R+ S
测试点：缺词／多词。
# z, r8 l6 x; V9 `分析：名词后可接从句或作用相当于从句的分词作定语。此处可看作是定语从句缺主语that/which，或是分词作定语，多了动词is．(C) present (现存的)在此是形容词. |
发表于 2012-8-14 22:34:35
