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【单选题】
二极管的反向饱和电流主要与( )有关。A.
反向电压的大小
B.
环境温度
C.
制作时间
D.
材料
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【单选题】What things in life are you most desirous ______ attaining?
A.
to
B.
for
C.
with
D.
of
【单选题】关于压缩因子 Z ,下列说法中错误的是
A.
理想气体的压缩因子 Z ＝ 0
B.
Z < 1 说明真实气体比理想气体易于压缩
C.
Z > 1 说明真实气体比理想气体难于压缩
D.
Z 的大小反映了真实气体对理想气体的偏差程度
【单选题】听力原文： OK, can anyone answer this question? What are the most important things for animals in terms of their survival? Anyone? No? OK. Well, on a very basic level, the most important things for them ar...
A.
Real estate prices.
B.
Campbell monkeys' eating habits.
C.
The interactions of various species.
D.
The relationship between Diana and putty-nosed monkeys.
【单选题】It is a common __________ that people are inclined to do things that receive most praise.
A.
sense
B.
knowledge
C.
phenomenon
D.
learning
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