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【单选题】
在二极管加反向电压时，会形成()的反向电流，且反向电压不超过某一范围时，反向电流大小()。A.
很大，基本不变
B.
很小，基本不变
C.
很小，线性变化
D.
很大，线性变化
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举一反三
【单选题】In the irreversible process, which is not right?
A.
T constant, △S=Qir/T
B.
P constant, △S=nCp,mlnT1/T2
C.
V constant, △S=nCv,mlnT1/T2
D.
T constant, △S=Qr/T
【单选题】Which is the right order of what happened? ( ) a．My family moved from Russia to the U． S． A． b． I met Larry Page． c． I was given a computer as a birthday present． d．Google was born in an ordinary gara...
B.
c-a-b-e-d
C.
a-c-b-d-e
D.
c-b-a-e-d
【单选题】Which is the right expression of “ go to the chemist ’ s ” ?
A.
去医院
B.
去看医生
C.
去排队
D.
去药房取药
【单选题】Which is the right order of what happened? A． My family moved from Russia to the U. S. A． b. I met Larry Page. c. I was given a computer as a present on my 9th birthday. d. Google was born in an ordin...
B.
c-a-b-e-d
C.
a-c-b-d-e
D.
c-b-a-e-d
【简答题】同样大小的物体,如一组苹果有前有后,在空间透视上会产生“________”的现象;在物象上会产生“________”的现象,如苹果和背景。
【简答题】同样大小的物体,如一组苹果有前有后,在空间透视上会产生“ ”的现象;在物象上如苹果和背景,会产生“ ”的现象 。
【单选题】Which is the right expression of “扩张 8 厘米”?
A.
eight manometers dilatation
B.
eight centimeters dilatation
C.
eight centimeter dilatation s
D.
eight meters dilatation
【单选题】which is Not the right method for calculation of entropy change D S
A.
The process is cyclic, D S = 0
B.
The process is irreversible adiabatic, D S = 0
C.
The process is reversible phase change at constant T and P,
D.
The process is reversible isothermal
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