16. The methods of spectrum analysis vary according to the wavelength region were studied.
" {$ u+ |$ f+ {, I+ C) u- I 7 t& g) P, `5 W" \5 B3 y/ ]
答案：D
l4 S4 h8 s6 H8 D0 e测试点：多词.
* U/ ?5 z2 @) u1 d分析：过去分词studied作后置定语修饰region，其作用相当于定语从句省去which/that及系词be。这里的were应删掉。 : e" Q- t9 E5 O* i
1 \. ^4 @, L: I* Z5 X. [) `$ w17. Hurricanes are severe cyclones with winds over seventy-five miles an hour who originate over tropical ocean waters. , H i" V. F2 G5 G; \$ A: @$ I
, i1 N+ }4 L( h/ }7 B v7 n- ]答案：C
8 U% @& S3 W" m3 ~& F) _: k测试点：从句连接词. / Y( R! {( }8 z4 s* H4 Z4 r/ M. J
分析：who和which的用法．句中，定语从句修饰的是物而不是人，连接词不能用who，应用that或which. # M9 _0 T: [ N, q2 F' h! K
解题要点：定语从句连接词who(人)和which(物)的错用也是TOEFL常考题型之一.
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18. A great proportion of the seeds of desert flora they possess germination-inhibiting substances. , w9 W, S9 ~! g7 J5 g8 c1 S0 \! j
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答案：C 9 T+ Z7 M# V5 K5 I
测试点：多词.
1 X' Y( S0 V& }+ j' L* m! |4 {分析：possess为谓语动词，主语为前面的A great porportion，此处无需重复主语，they多余。
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) ^" B( Q9 n4 |0 Y1 r9 S19. Window treatment, furniture arrangement and color combine all contribute to the overall impression of a room. 0 I9 L0 w8 j6 G7 u7 e
& w6 |$ \) F9 ]1 A* L3 H- h$ u2 L答案：B
8 s2 L: C. y0 }" w- g$ |( i测试点：词性／并列结构.
- H0 h6 m; Q1 z8 x5 @/ r分析：看到and，要注意其两边成份是否同词性，同性质．and前是名词词组，而此处combine为动词，应为名词combination，与treatment和arrangement并列.
6 L8 E4 T( q, W/ q: }解题要点：当连接词and连接两项或更多项目时，应特别注意相连各成分的结构，词性相同.
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7 {0 x/ ^2 ~' C. E' E( J. q; l7 ^" q% \20. Harvesting of grains is affected by annual changes in temperature or in the amount of moisture, but both.
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答案：D * s: V; k4 ?9 R, o; f
测试点：连词. K+ @5 r0 q: N' r, b8 v% _
分析：此处不是转折的关系，而是选择，不能用but,应当用or．or both是固定说法. |
发表于 2012-8-14 22:34:35
