36. Dams vary in size from small rock barriers to concrete structures many feet height.
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答案：D
3 A/ y$ \" i$ z# q( b测试点：词性/习语. ) e; i! f. t9 x h$ o2 X
分析：表示长度、重量等单位的名词后接形容词，数词+feet long／high是固定短语，不用名词height. 1 A* I9 F2 [8 }1 D9 h A
解题要点：表示长、宽、高概念的形容词与其名词形式混淆是TOEFL常考题型．记住下面题型wide-width，long-length，high-height.
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# R" |+ e$ E4 w }( v37. Even before the human organism developed into their present stage of home sapiens, the beginnings of culture were already evident. 6 k1 h( [! m9 P. p) L' ^
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答案：B ) `/ ]. z+ |. {' Y. I
测试点；代词数的一致。
; H3 x- j% M0 }8 b分析：此处代词指代单数的organism，不能用复数的their，应用its。 ) m9 g1 C" ]0 W% C
解题要点；代词与其所指代的名词单复数不统一是TOEFL常考题型．应特别注意划线的代词. ) T! Z) Z& d# K
0 X' k6 v% i* W* P9 s" v7 r38. In the United States, sleds for recreation were first produced commercial in the 1870’s or thereabouts.
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J6 q$ {7 P9 W1 r; F* I答案：C ( n6 _3 _ L% C; l
测试点：词性. ; t, B) L9 B o% G4 W: `
分析：修饰动词produced应用副词，而commercial是形容词．应为commercially.
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39. Employments agencies bring together persons qualified for specific jobs and employers who have those jobs available. 7 x3 }% D0 A7 G5 N/ H
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答案：A
& h, |* F. [2 e测试点：名词的数.
7 B( n. E! H& w* r- M9 V) A: o分析：名词作定语修饰另一个名词，用其单数形式，不加s．(A)应为Employment.
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40. Salmon spend most of their adult lives in salt water, despite they return to their freshwater birthplaces to spawn and die.
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答案：C + Q) j; h$ V/ j. }
测试点：词性／连词. 1 `$ a, _* N4 v4 R, Y: `
分析：连接两个句子要用连词，而despite是介词，应为while或but．(A)是正确的动词形式，因为主语salmon单、复数同形，而且后文their表明它是复数。 |
发表于 2012-8-14 22:34:35
