【多选题】食物中的化学危害可能来自:
B.
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【单选题】发动机微机控制系统主要由信号输入装置、( )、执行器等组成。
【简答题】英译汉: The villagers have told him that they will not accept the pub even if he gives it away.
【简答题】She told me the newspaper reporter triumphantly that the life of the villagers has improved ____ in the past five years.