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问题: 英语选择题

She is on a diet and has( )on foods containing to much suger and salt.(A.cut off B.cut down)选择哪个?

解答:

She is on a diet and has( )on foods containing too much sugar and salt.(A.cut off B.cut down)选择哪个?
选B.因为cut down on 意思是"减少",cut off 是“中断”