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【判断题】
凝聚系的熵在等温过程中的改变随热力学温度趋于零。A.
正确
B.
错误
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举一反三
【单选题】New Foods and the New World In the last 500 years, nothing about people -- not their clothes, ideas, or languages -- has changed as much as what they eat. The original chocolate drink was made from th...
A.
Food.
B.
Clothing.
C.
Ideology.
D.
Language.
【单选题】已知 20 °C 时水 - 空气的界面张力为 7.27×10 -2 N/m ,当在 20 °C 和 100 KPa 下可逆地增加水的表面积 4 cm 2 ,则该过程所涉及的 W 为( )。
A.
2.91 × 10 － 5 J
B.
2.91 × 10 － 1 J
C.
-2.91 × 10 － 5 J
D.
-2.91 × 10 － 1 J
【单选题】—What about your new clothes? —They are a little expensive, but the cloth _______ well. [ ]
A.
is washed
B.
washes
C.
is washing
D.
has been washed
【单选题】New Foods and the New World In the last 500 years, nothing about people – not their clothes, ideas, or languages – has changed as much as what they eat. The original chocolate drink was made from the ...
A.
Food
B.
Clothing
C.
Ideology.
D.
Language.
【单选题】已知 20°C 时,水 — 空气的界面张力为 7.28×10 -2 N·M -1 ,当在 20°C 、 p Θ 下可逆地增大水的表面积 4 cm 2 时,需要做功( )
A.
2.91×10 － 5 J
B.
2.91×10 － 1 J
C.
2.91×10 － 3 J
D.
2.91×10 － 7 J
【单选题】New Foods and the New World In the last 500 years, nothing about people---not their clothes, ideas, or languages—has changed as much as what they eat. The original chocolate drink was made from the se...
A.
Food
B.
Clothing
C.
Ideology
D.
Language
【单选题】We wear new on the Spring Festival's Eve [ ]
A.
a cloth
B.
cloth
C.
clothing
D.
clothes
【单选题】Be careful! You ______ my new table cloth.
A.
are to spoil
B.
will spoil
C.
are going to spoil
D.
are spoiling
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