几道高中英语选择,尽量正确~理由,

题目

几道高中英语选择,尽量正确~理由,
1.___that not all government officials are honest.
A.It seems to me B.in my opinion,I believe C.My believing is that D.I think in my mind
我怎么觉得ACD都对?
2.Perseverance is a kind of quality and that's___it takes to do anything well.
A.what B.that C.which D.why
句子意思是什么?为什么选?
3.It is pretty well understood__control the flow of carbon dioxide in and out the atmosphere today.
A.that B.when C.what D.how
也是句子意思不懂~为什么选某某
4.Although Ann is happy with her success she wonders___will happen to her private life.
A.that B.what C.it D.this
5.I have no idea____she gets on well with her classmates.
A.when B.how C.that D.which
B还是C?

答案

1.a吧.b是重复.然后c是,my believe is..
2.a.坚持不懈是一种品质,是做好一切事情所必须的.
这里是表语从句,又在这个从句中做主语,用what
3.选c.
现在人们都很清楚是什么控制二氧化碳进入和离开大气层.
本身是宾语从句,又在宾语从句中做主语,用,what.
4.选b>理由同上
5.选b.后面句子完整,所以不能用which,that,等在从句中做成分的词.b是方式状语从句.