意思是：房屋或辦公大樓內(nèi)的空氣 總是比室外已經(jīng)嚴重污染的空氣 有著跟高的空氣污染物含量.
more/-er...than...的比較句式想必你應該知道的,does放在這里是倒裝,因為前面的主語“室內(nèi)空氣”的動詞是"has",所以than后面的主語“室外空氣”動詞倒裝用的是does咯^^
The air inside a house or office building often has higher concentrations of contaminants .heavily polluted outside air.
The air inside a house or office building often has higher concentrations of contaminants .heavily polluted outside air.
A.than does
B.more
C.as some that are
D.like of A
為什么選A?
A.than does
B.more
C.as some that are
D.like of A
為什么選A?
英語人氣：834 ℃時間：2020-01-30 02:14:27
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