1.No matter ___________the CRH accident in Wenzhou,it had an

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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

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

1.No matter ___________the CRH accident in Wenzhou,it had an Had it not been by an accident It`s not a matter of if you`ll have an accident,it`s a matte 1.He must have had an accident ,or ___ then. It no matter.为什么同义句 Ben had an accident last week.An accident---------- ---- He had an accident yesterday.An accident ---him yesterday No matter how long it takes,just hang in It was said that an accident had happened and the traffic __ Laura has had her car damaged in an accident. She is very up when she heard that her husband had died in an accident,she 求老师解答：They had an accident