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【单选题】
---When is your birthday, Kate? ---It’s _________ 9 October.A.
in
B.
on
C.
at
D.
of
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【简答题】1mol,p=101.325kPa,t=100 C的水蒸汽在恒温恒压下凝结为同温同压下的液态水,则此过程的W=------。
【单选题】Einstein’s Theory of Relativity is so ________that most of us can not understand it.
A.
controversial
B.
abstract
C.
appropriate
D.
universal
【单选题】Einstein’s Theory of Relativity is so________ that most of us can not understand it.
A.
controversial
B.
appropriate
C.
abstract
D.
ridiculous
【简答题】5mol 理想气体的始态为 T 1 =25 °C, p 1 =101.325kPa ,体积为 V 1 ,在恒温下反抗恒定外压膨胀至 V 2 =3 V 1 , p ( 环境 ) =0.6 p 1 。求此系统所作的功。
【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】Most of us think of games as child* s play, but games _____ children' s thinking and develop skills like problem solving and communication．
A.
sharpen
B.
seize
C.
adore
D.
apply
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