10.About how many elements ____make up most of the substances we meet in everyday life?About how many elements ____make up most of the substances we meet in everyday life?A.it is that B.it is whichC.is it thatD.is it which用which,还是用that是怎么看的?用it is,还是用is it是怎么看的?
问题描述：
10.About how many elements ____make up most of the substances we meet in everyday life?
About how many elements ____make up most of the substances we meet in everyday life?
A.it is that
B.it is which
C.is it that
D.is it which
用which,还是用that是怎么看的?
用it is,还是用is it是怎么看的?
答
HOW......部分倒装为IS IT
IT IS THAT强调句
答
it is that 固定搭配 强调句，强调除动词外的其他句子成分
答
支持一楼的；it is that ;which 应该用在选择句中；
答
Which 一般前面都会出现逗号隔开
至于 用 is it 是因为 这是一个问句 How **** is it*****？
答
我们每天需要的大部分物质大约有多少种元素组成?主句 About how many elements is it 所以用is it从句 that make up most of the substances we meet in everyday lifeit在主句做的是形式主语,故需以that引导的同位...
答
前面是疑问用倒装是is it后面是个定语从句引导主语，若用which不对，因为前面已经解释了他所给的是element