Experts warn that medical waste from hospitals, ifproperly, may contribute to spreading diseases.A.n

题目简介

Experts warn that medical waste from hospitals, ifproperly, may contribute to spreading diseases.A.n

题目详情

Experts warn that medical waste from hospitals, if      properly, may contribute to spreading diseases.
A.not handledB.not being handled
C.not to be handledD.not having been handled
题型:单选题难度:偏易来源:不详

答案

A               
             
试题分析:考查非谓语动词。句意:专家警告说,如果医院的医疗垃圾不能正确的处理,可能会导致疾病的蔓延。If 引导的条件句的主语是 medical waste from hospitals ,与handle之间是被动关系,故选A项。        
考点 : 考查非谓语动词

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