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【单选题】
关于可逆过程与不可逆过程,下列说法不正确的是( )A.
凡是有摩擦的过程一定是不可逆的
B.
一切宏观的自发过程都是不可逆的
C.
准静态过程一定是可逆的
D.
一切与热现象有关的实际过程是不可逆的
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【单选题】Young people often feels that the age of eighteen is the ______.
A.
best time of life
B.
right age to get married
C.
hardest part of life
D.
gateway to happiness
【简答题】A. contain B. retain C. interact D. minimus 7. In large classes, children feel that they cannot _____ with the teacher. 8. It's increasingly difficult to recruit and ______ good staff. 9. Ei...
【单选题】Eighteen is the ________________ voting age in our contry.
A.
competent
B.
minimal
C.
minimum
D.
matimum
【单选题】在-10°C、101.325kPa下,1mol水凝结成冰的过程中,适用的公式是( )。
A.
ΔU=TΔS
B.
ΔG=ΔH-TΔS
C.
ΔH=TΔS+VΔp
D.
ΔG=0
【单选题】The passage tells us that the most probable reason for the death of the mice in Ader's experiment was that______.
A.
the sweetener was poisonous to them
B.
their immune systems had been altered by the mind
C.
they had been weakened physically by the saccharin
D.
they had taken too much sweetener during earlier conditioning
【单选题】在 -10℃、101.325kPa下，1mol水凝结成冰的过程中，下列哪个公式仍适用
A.
∆U = T∆S
B.
∆S = (∆H- ∆G)/T
C.
∆H = T∆S + V∆p
D.
∆GT,p = 0
【单选题】The passage tells us that the most probable reason for the death of the mice in Ader's experiment was that ______.
A.
they had been weakened psychologically by the saccharin
B.
the sweetener was poisonous to them
C.
their immune systems had been altered by the mind
D.
they had taken too much sweetener during earlier conditioning
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