21. Due to its excellent tensile strength, acetate rayon is an important material for products so as balloons, parachutes, fire hoses, and webbing. ) S' N9 U- H' o1 M' ]# A2 O4 V
" _2 r, n j" l答案：C
* J& X6 m) K9 _ g& ]& [测试点：习语。 ' R+ U6 d6 U! P# p$ s
分析：看到紧接其后的耶，应想到这里要用such。Such as是固定短语。 * F: p; G& {/ v* l) v% m/ a3 Z
解题要点；such as是TOEFL考题中常见的短语. & G2 b/ q; i& x
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22. It has not been determined how years sea turtles can live in their natural environment, but they will reach a very old age if left undisturbed by humans. ! [- k& L) S, [0 i+ ~
3 Q- B5 t5 \* y/ b2 y; b* K答案：A
5 V. g8 g- W7 @" z测试点：缺词.
; F# ^( k# i' ~- f ?分析：how是副词，后面不能直接加名词．应为how many years.
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3 u& Q. o$ [- z2 C+ u" E23. A footnote is characteristically employed to give information that is too long or too detailed be included in the body of a text. 1 r5 a( l- G9 _4 l4 Q6 X
* }: G% A, g2 b- F$ m9 A6 L
答案：D
( r+ |8 q1 Q6 d7 P" I测试点：too…to…的用法.
+ v) Q T6 F _5 P4 O, K分析：看到前文的两个too,应立即注意后面是否有to…的部分．此处动词be前缺to.
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7 u4 ~+ o; X% A" _24. Watercolors dry more faster than other paints.
& i- p( f# g9 n; \5 J- X! r
" H3 ~8 O# j3 @: P: i8 x, I答案：C
# S, V3 H: U }% Z, M; Z3 n测试点：比较级形式重复。 0 Y( P1 q# a2 w, t6 u( M }, S
分析：遇到形容词或副词的比较级，应注意其比较形式是否重复。此处应去掉more. 6 i8 C6 j% x& ?( G3 ]3 c' a
) g; }* J; j1 ^% |' T8 b; s# v9 [25. In mathematical terms, modern algebra is set of objects with rules for connecting or relating those objects. % A5 q* M' f, q6 Y
" x5 c* P9 f- R- V& Q% L8 {2 X% `答案：B % m w: H# O8 [: o4 F
测试点：冠词. / `( _, ~" H+ t+ h+ Z4 T! r a
分析：set是可数名词，它前面一定要有冠词．应为…a set(of)….
7 X2 p! f7 X# k" [解题要点：TOEFL同类考题还有a group of，a series of, a blend of. |
发表于 2012-8-14 22:34:35
