What does she think of her Athens Games?
A.She thinks it an incentive.
B.She feels frustrated.
C.She is very excited.
D.She thinks she has reached a new level there.
第10题
19.《民用建筑工程室内环境污染控制规范》规定,在民用建筑工程室内进行氡浓度检验时,对采用自然通风的民用建筑工程,应在房间的对外门窗关闭( )h以后进行。
A. 24
B. 20
C.15
D.10
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