16. The methods of spectrum analysis vary according to the wavelength region were studied. 8 n* m) z. `7 b7 g) l
6 g4 e# f1 R; D' v% p0 d8 c
答案：D 3 V, N" q( z, J; ?) D- [
测试点：多词. " T9 A8 I. w+ d, v, _7 j
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。 0 w' C6 c4 K9 R# G) e
G$ U3 y- D- a17. Hurricanes are severe cyclones with winds over seventy-five miles an hour who originate over tropical ocean waters.
" m4 D& C' i& @& B
- {, \; U D0 R答案：C
8 `: h r; D1 ?+ _8 i! K测试点：从句连接词. $ O$ e( `4 t" {5 ?% `
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. ' H5 v& u( j1 I) G9 z
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.
8 f; Y/ Y/ B& l- S7 s) M; B0 R
2 w7 N$ ~3 S+ k' O5 N18. A great proportion of the seeds of desert flora they possess germination-inhibiting substances.
5 `. r6 r" X O8 K! d! u5 E. K 0 q) r3 O5 O! _+ J# v
答案：C 6 B5 g7 K( h8 d% R
测试点：多词.
3 z- ]1 C6 ?9 F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。 % _8 C6 h0 s2 S7 y1 ^$ s
+ n5 B: r. ^. _' H19. Window treatment, furniture arrangement and color combine all contribute to the overall impression of a room.
n1 W4 `# @! |3 s' z* L) G- M, F - p, s5 p7 J( T; Q8 {
答案：B
* b6 B( @( D2 F测试点：词性／并列结构. + L5 @; o! r4 o1 `/ q5 T
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.
7 d8 G/ d% u- P7 [2 D6 J4 O) |, g' k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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. [9 g0 ?+ T" \6 M& b# k20. Harvesting of grains is affected by annual changes in temperature or in the amount of moisture, but both. ' A5 x6 S3 ^. K I! m* g
. K3 ]4 @; v- u$ `" d$ {
答案：D ' T$ C- m" o+ t0 S' {1 Z3 s! N
测试点：连词.
) T# t/ |0 y* B. z1 j9 A. ^! R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
