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46. A study commissioned by the Department of Agriculture showed that if calves exercise and associated with other calves, they will require less medication and gain weight quicker than do those raised
in confinement. (A) associated with other calves, they will require less medication and gain weight quicker than do (B) associated with other calves, they require less medication and gain weight quicker than (C) associate with other calves, they required less
medication and will gain weight quicker than do (D) associate with other calves, they have required less
medication and will gain weight more quickly
than do (E) associate with other calves, they require less
medication and gain weight more quickly than Choice E, the best answer, uses the adverbial phrase more quickly than to modify the verb phrase gain weight. In A, B, and C,
quicker than is incorrect because an adjective should not be used to modify a verb phrase. E is also the only choice with consistent verb tenses. The first verb in the clauses introduced by showed that is exercise. A and B incorrectly compound that present tense verb with a past tense verb, associated. C and D correctly use associate, but C follows with the past tense required and D with the present perfect have required. Both C and D incorrectly conclude with the future tense will gain.
想问这里的raised 是和谁对应的表达的是什么意思? 因为前面提到的是 require less... gain..more quickly..所以很迷惑 | 
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发表于 2007-8-3 11:08:00
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