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【单选题】
所谓空间感,是由地平面、( )以及顶平面单独或共同组合而成的具有实在或暗示性的范围的围合。A.
水平面
B.
垂直面
C.
立面
D.
等高面
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【简答题】电容的表达式是
【单选题】听力原文：M: Bill was a great guy. He was drowned while rescuing a child from the icy water of the fiver yesterday. W: Well, as far as I know that was not the first dangerous situation he was in. Which of ...
A.
Robust.
B.
Brave.
C.
Generous.
D.
Dangerous.
【单选题】根据沉淀 — 溶解平衡中的同离子效应和盐效应,判断难溶电解质 AgBr 在下列哪种溶液中的溶解度会降低 :( )
A.
水
B.
AgNO 3
C.
NaCl
D.
S 2 O 3 2-
【单选题】The icy conditions made our travel dangerous. So () going by car we took the underground.
A.
instead of
B.
in addition to
C.
as well as
D.
at the cost of
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