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【单选题】
We’d better not keep the lights______ when we have PE classes outside.A.
off
B.
on
C.
open
D.
closed
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举一反三
【单选题】All of the following are the ways women judge whether a man is telling a lie EXCEPT ______.
A.
they listen to what he says attentively
B.
they watch how he says it closely
C.
he often uses a frightening voice to speak
D.
he is more likely to hesitate what to say
【简答题】植物的侵染性病害是由( )引起的。
【单选题】Inmarsat 使用的卫星属于_____卫星。 (130468:第2章 Inmarsat系统与业务) (A-0,B-0,C-0,D-0,错误-0)
A.
静止轨道卫星 B、LEO
B.
HEO 椭圆轨道卫星
C.
MEO
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