问题
单项选择题
未饱和空气在与水隔绝的条件下定压降温，湿空气中干空气分压力（），水蒸气分压力（）。
A.升高／降低
B.降低／升高
C.升高／不变
D.不变／不变
答案
参考答案：D
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未饱和空气在与水隔绝的条件下定压降温，湿空气中干空气分压力（），水蒸气分压力（）。
A.升高／降低
B.降低／升高
C.升高／不变
D.不变／不变
参考答案：D
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| He met her at a party. She was outstanding; many boys were after her, but nobody paid any 1 to him. After the party, he invited her for coffee. She was surprised. In order not to 2 rude, she went along. 3 they sat in a nice coffee shop, he was too 4 to say anything. Suddenly, he asked the waiter, "Could you please 5 me some salt? I'd like to put it in my coffee." The girl stared at him. He turned red, but when the salt came, he put it in his coffee and drank. 6 , she asked,"Why salt with coffee?" he 7 ,"When I was a little boy, I lived near the sea. I liked playing on the sea... I could 8 its taste salty, like salty coffee. Now every time I drink it, I think of my 9 and my hometown. I miss it and my parents, who are still there." She was deeply 10 . A man who can 11 that he's homesick must love his home and 12 about his family. He must be 13 . She talked too, about her faraway hometown, her childhood and her 14 . That was the start to their love story. They continued to date each other. She found that he met all her 15 . He was kind, warm, and careful. 16 to think she would have missed the 17 if not for the salty coffee. So they married and lived happily together. Every time she made coffee for him, she put in some salt, the 18 he liked it. After 40 years, he 19 away and left her a letter which said, "My dearest, please forgive my lifelong lie. Remember the first time we dated? I was so nervous I asked for salt instead of sugar. If I could live a second time, I hope we can be together again, 20 it means that I have to drink salty coffee for the rest of my life." | |||
| ( )1. A.money ( )2. A.show ( )3. A.As ( )4. A.eager ( )5. A.lift ( )6. A.Mysterious ( )7. A.explained ( )8. A.taste ( )9. A.boat ( )10. A.touched ( )11. A.afford ( )12. A.mind ( )13. A.smart ( )14. A.family ( )15. A.friends ( )16. A.And ( )17. A.sight ( )18. A.method ( )19. A.moved ( )20. A.as if | B. attention B. look B. Because B. proud B. take B. Moved B. argued B. feel B. friend B. hurt B. realize B. care B. intelligent B. school B. requirements B. When B. train B. style B. passed B. now that | C. visit C. seem C. Since C. nervous C. carry C. Curious C. stated C. smell C. playmate C. pressed C. recognize C. know C. responsible C. relatives C. needs C. Or C. catch C. manner C. died C. even if | D. respect D. appear D. Though D. anxious D. bring D. Excited D. claimed D. sense D. childhood D. interested D. admit D. attend D. flexible D. house D. standards D. But D. home D. way D. walked D. so that |