同上题,压缩质量1kg的空气的多变功为()。
A.24894J/kg
B.38830J/kg
C.40682J/kg
D.46824J/kg
参考答案:B
解析:
多变功为:
根据对话情景完成对话,使上下意思连贯。
A: Hello, 1. Kate?
B: Sorry, she isn't in right now. Is that Susan speaking?
A: Yes. Who's that?
B: This is Mike. 2. ?
A: Fine, thanks. Can I leave a message?
B: Of course. 3. please. I'll go and get a pen. ( Soon Mike returns.) OK, please.
A: I'd like to ask her if she'll go to the English Festival next week. Will you please tell her to call me
back when she returns?
B: No problem. 4. ?
A: It's 78340631.
B: OK, bye-bye.
A: Thanks. 5.
1999年()落户怀来,标志着中国葡萄酒庄的规范化经营,加快了与世界葡萄酒市场的接轨。
A.贵族庄园
B.中法庄园
C.叶浓酒庄
D.瑞云酒庄