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In the market, vegetables are sold by _______ kilogram, I mean, by _______ weight.
A.the; 不填B.不填; 不填
C.the; theD.不填;the
A
选A。介词by表示“以…计”时,若后接单数可数名词,其前要用定冠词,如:by the week 按周,按星期 / by the ton 按吨 / by the yard 按码 / by the meter 按米;若后接抽象名词,则通常不用冠词,如:by volume 按体积 / by weight 按重量。
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