_A container weighs more after air is put in, ____proves that air has weight.A.a

_A container weighs more after air is put in, ____proves that air has weight.A.a

题型:不详难度:来源:
_A container weighs more after air is put in, ____proves that air has weight.
A.asB.itC.thatD.which

答案
D
解析
考查连词。which 引导非限制性定语从句,修饰整个主句的内容,这时不能用that。
举一反三
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A.andB.butC.orD.so

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A.becauseB.therefore
C.whileD.unless

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A.thereB.in whichC.whenD.where

题型:不详难度:| 查看答案
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