题目

1.No matter ___________the CRH accident in Wenzhou,it had and will have much warning significance.
A.how the investigators said caused
B.what the investigators said caused
C.why the investigators said caused
D.the investigators said how caused
2.--Are you going to stay overnight?
--Not ____it's absolutely necessary.
A.unless
B.when
C.until
D.if
3.Love is ______Mummy sees Daddy smelly and sweaty and still says he is more handsome than David Beckham.
A.that
B.how
C.when
D.since
4.Many pregnant women have bought this kind of clothes to __________radiation.
A.block
B.protect
C.distinguish
D.guarantee
5.The happiest people are not those __________have the best of everything,but _______make the best out of everything.
A.who,that
B.who,who
C.that,who
D.that,that

提问时间：2021-03-13

答案

1答案是 B no matter what 引导让步状语从句 其中what 作 从句中的宾语从句中的连词并作宾语从句中的主语 意思是 无论调查者们 说 是什么引起 ...
2答案是C 除非绝对需要
3答案是A 这是表语从句
4答案是A 阻挡
5答案是B 先行词是those 关系代词通常用 who