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> --How did he get infected? --She ____the viruses without any protection.A.exposed toB.had exposed to
--How did he get infected? --She ____the viruses without any protection.A.exposed toB.had exposed to
题目简介
--How did he get infected? --She ____the viruses without any protection.A.exposed toB.had exposed to
题目详情
--How did he get infected?
--She ____the viruses without any protection.
A.exposed to
B.had exposed to
C.was exposed to
D.had been exposed
题型:单选题
难度:中档
来源:不详
答案
C
试题分析:考查时态和语态。根据句意,表被动,排除A,B。根据上下文可知,是陈述过去的一个事实,故使用一般过去时。句意:——他是怎样感染的?——在没有任何保护的情况下面临病毒感染。
点评:时态和语态经常结合一起来考,要注意综合考虑。
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题目简介
--How did he get infected? --She ____the viruses without any protection.A.exposed toB.had exposed to
题目详情
--She ____the viruses without any protection.
答案
点评:时态和语态经常结合一起来考,要注意综合考虑。