21. Barges which carrier most of the heavy freight on rivers and canals are usually propelled by towing. ' Z5 d ^+ V: a- N/ T* r
2 l ]! h9 k0 U$ f4 V6 q* l) L* @答案:A
; J& l {2 X/ A& n6 z; X测试点:词性。
9 k+ d7 q1 Y. ?- u5 n% [分析:carrier是名词,而此处需要谓语动词。应为carries。 5 k( s; F3 b W7 C% W
解题要点:名词后缀-er,-or,-tion,-sion等形式出现在TOEFL改错题中,应引起特别注意。 3 h, m& l9 n* [! H4 o
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22. Although afflicted by serious eyesight problems, Alicia Alonso was one the principal stars of the American Ballet Theater and later formed her own dance company.
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答案:C
/ Q% M: Y( {' ?, G1 R5 Y测试点:习语。
" X$ \" j% k2 P1 q3 n分析:One of the+复数名词/名词词级是固定说法,此处缺of.
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23. The ritual combat of animals are triggered by precise signals. & @+ [$ ^- Y) S7 P7 F( e0 @
, w4 g3 Q+ F/ ~& s: m% P答案:B
1 T l6 i! E" `测试点:主谓数的一致。 , |; j( }( H# f
分析:主语是单数的combat,系动词要用心
& ]3 l$ s( n, W解题要点:介词短语of animals是名词combat的定语,这类以of引接的定语后置结构要特别注意主谓的数是否一致。 . v/ ~) h) J8 j4 _5 }) v' E
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24. It is more difficult to write simply, directly, and effective than to employ flowery but vague expressions that only obscure one’s meaning.
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答案:B 1 _ e" `& o; k8 A7 c) p
测试点:并列结构/词性。
8 V6 w' Z7 t# l分析:and的前后部分应同词性、同性质,此处应用副词effectively与and前的simply和directly并列,不用形容词effective。
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25. Different species of octopuses may measure anywhere from two inches to over thirty feet in long. 2 K( P8 X7 b; x
2 K: a+ b+ A# O4 h" m, g! s答案:D
/ ^/ X3 i$ F# h. }: v测试点:词性
& _7 v+ y' [! I: H分析:表示“在长度方面”固定的说法是in length,不用long。从词性考虑,介词诅后要加名词(1ength),不能加形容词(1ong)。
, S( e- f: ^' g8 r2 L解题要点;TOEFL考题中表示长(1ong,length),高(high,height),深(deep,depth)等词的名词及其形容词形式常常混淆。 |