问题
单项选择题
一定容积的湿空气中水蒸气的质量与干空气的质量之比称为（）
A.相对湿度
B.绝对湿度
C.含湿量
D.含水量
答案
参考答案：C
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一定容积的湿空气中水蒸气的质量与干空气的质量之比称为（）
A.相对湿度
B.绝对湿度
C.含湿量
D.含水量
参考答案：C
| It was a beautiful summer day and I was taking a walk in the downtown area of Madrid. When I turned a street (56) I heard the voice of a lovely Spanish singer (57) from a nearby cafe. The music (58) me, so I went to the cafe to hear it (59) . I sat down at a table near the door. The waiter came over, and I (60) a glass of wine. While (61) my wine, I listened to the soft music. The (62) was a young lady, a little too fat, but (63) pretty. A black young man was playing the piano. The waiter returned (64) the glass of wine and put it on the (65) . I started drinking the wine slowly and (66) the other people in the cafe. They were all men (67) women seldom go into the cafes in Spain. There were three men (68) at a table near mine. I could (69) by their accents that one of them was an American, one an Englishman and the third man a (70) . The waiter served each of the three men a glass of beer. By chance, each glass had a (71) in it. The American picked up his glass, noticed the fly and poured the beer and the fly was thrown onto the floor. The English- man looked into his glass, noticed the fly and (72) a spoon, with which he took the fly out of the beer, and drank the (73) of it. The stranger noticed the fly in the beer, (74) . He picked it up with his fingers, squeezed it carefully in order to save every drop of beer, then drank the beer (75) . |
A．watching
B．seeing
C．looking for
D．noticing