life will continue on the earth for millions of years to come will depend onthe problem of pollution

题目简介

life will continue on the earth for millions of years to come will depend onthe problem of pollution

题目详情

       life will continue on the earth for millions of years to come will depend on         the problem of pollution can be solved.
A.How /whetherB.That/thatC.Whether / ifD.Whether / whether
题型:单选题难度:中档来源:不详

答案

D
本题考查主语从句和宾语从句。做此题必须要看清楚第一空是一个主语从句,而第二空是一个介词后的宾语从句。因此,根据句意,生命是否会在以后的几百万年里继续将取决于污染问题能否被解决。二空都要填是否。但主语从句“是否”只能用whether,介词后也只能用whether.所以选择答案D。

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