【题目】Certain drugs which are safe when taken separately are lethal (致命的) in c(混合)
在线课程【答案】combination
【解析】句意：某些分开服用的药品混合吃会是致命的。combination名词，”混合“，在本句中名词combination作介词in的宾语，故填combination。
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Certain drugs which are safe when taken separately are lethal in c
编辑：chaxungu时间：2026-04-27 03:03:03分类：高中英语题库
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