以下是引用anitahsu在2005-1-20 11:23:00的发言:I picked E because all others have some obvious faults. A. have been reduced --> has been reduced. The first part of the sentence is not parallel with the 2nd. B. is not controlled --> are not controlled. The first part of the sentence is not parallel with the 2nd. C. has been reduced --> have been reduced. The first part of the sentence is not parallel with the 2nd. D. is not controlled --> are not controlled. Awkward. however, can we use "wild salmon’s numbers" ? 查了朗文,netting是不可数名词,因此用is是没有问题的,E没有理由用完成时态啊?
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