The water will be further polluted unless some measures ____.A.will be taken B.are takThe water will be further polluted unless some measures ____.(上海1992) A.will be taken B.are taken C.were taken D.had been taken 选哪个,为什么选那个
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The water will be further polluted unless some measures ____.A.will be taken B.are takThe water will be further polluted unless some measures ____.(上海1992) A.will be taken B.are taken C.were taken D.had been taken 选哪个,为什么选那个
The water will be further polluted unless some measures ____.A.will be taken B.are tak
The water will be further polluted unless some measures ____.(上海1992)
A.will be taken B.are taken
C.were taken D.had been taken
选哪个,为什么选那个
The water will be further polluted unless some measures ____.A.will be taken B.are takThe water will be further polluted unless some measures ____.(上海1992) A.will be taken B.are taken C.were taken D.had been taken 选哪个,为什么选那个
The water will be further polluted unless some measures ____.(上海1992)
A.will be taken B.are taken
C.were taken D.had been taken
【B】.are taken
unless是连词,相当于if...not,意为“除非;如果不”.注意主句是将来时,从句要用一般现在时代替.如:
I shall go there tomorrow unless I'm too busy.
如果我不太忙,明天将到那儿去.
Unless you go at once you will be late.如果你不马上走,就会迟到的.
B
B
The water will be further polluted unless some measures ____. (上海1992)
A. will be taken B. are taken
C. were taken D. had been taken
【B】. are taken
unless是连词,相当于if...
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The water will be further polluted unless some measures ____. (上海1992)
A. will be taken B. are taken
C. were taken D. had been taken
【B】. are taken
unless是连词,相当于if...not,意为“除非;如果不”。
所以本句可理解为: If some measures are not taken, the water will be further polluted.
在if引导的真实条件从句中,从句的时态往往用一般时来表将来。简单说就是“主将从现”
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