一直找不到正确理由解释.急等._____there are a large number of chemical factories,the air is likely to be pollutedA that Bwhere C once D as为什么不选C“一旦…”或者D“因为…”
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一直找不到正确理由解释.急等._____there are a large number of chemical factories,the air is likely to be pollutedA that Bwhere C once D as为什么不选C“一旦…”或者D“因为…”
一直找不到正确理由解释.急等.
_____there are a large number of chemical factories,the air is likely to be polluted
A that Bwhere C once D as
为什么不选C“一旦…”或者D“因为…”
一直找不到正确理由解释.急等._____there are a large number of chemical factories,the air is likely to be pollutedA that Bwhere C once D as为什么不选C“一旦…”或者D“因为…”
根据语境语意理解,选where是最合适的
“那些有很多化工厂的地方,空气可能会被污染”
“一旦有很多化工厂的话,空气可能会被污染”
“因为有很多化工厂,所以空气可能会被污染”
once和as也说得过去,语法上并没有错误,但你觉得哪个听上去是更合理、更严谨些呢?
如果不是放在特定语境中，这道题的答案其实B,C,D都可以。
where 后面跟的是一个从句，chemical factories是一个地点，所以选B
显然是因果关系句、
强调 是有工厂的 地方
类似一句谚语“where there is a will,there is a way.”
有志者，事竞成
B。先调换语序好分析些——The air is likely to be polluted，where there are a large number of chemical factories.
后半句是定语从句，修饰the air，air是空间地理概念，所以用where
句意：拿个有大量化学厂的地方的大气很可能会被污染。