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【简答题】
阅读下面对话，从方框内7个选项中选择5个恰当的句子完成此对话，并将其番号填入题前括号内。 A．Can you help me? B．What color would you like? C．Can I help you? D．Do you have a smaller one. E. How much are they? F. What about this one? G. What’s the price? A: 1 B: Yes, please. I want a skirt for my daughter. A: 2 B: Green or blue. A: Look at the skirts over there. We have different colors. Which would you like? B: I think the green one is nice. 3 A: It’s 150 yuan. B: Oh, it’s too expensive(贵) A: 4 It’s only 60 yuan. B: It’s cheap, but it is big. 5 . A: Yes. Here you are.
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【单选题】The first law of thermodynamics states ΔU=Q+W, where
A.
W >0 when work is done by surroundings.
B.
W >0 when work is done by system.
C.
W <0 when work is done by surroundings.
D.
Q >0 when heat is gained by surroundings.
E.
Q <0 when beat is gained by system.
【简答题】翻译 1. There is a mix of confrontation and cooperation between them. 2. He died, and was survived by wife and three children. 3. Law enforcement cannot responsibly stand aloof. 4. Evidently he had the ...
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