问题
单项选择题
一台热机带动一台热泵，热机和热泵排出的热量均用于加热暖气散热器的热水。若热机的热效率为50％，热泵的供热系数为10，则输给散热器热水的热量是输给热机热量的（）倍。
A.5.5
B.9.5
C.10
D.10.5
答案
参考答案：A
搜题请搜索小程序“爱下问搜题”
一台热机带动一台热泵，热机和热泵排出的热量均用于加热暖气散热器的热水。若热机的热效率为50％，热泵的供热系数为10，则输给散热器热水的热量是输给热机热量的（）倍。
A.5.5
B.9.5
C.10
D.10.5
参考答案：A
| 完形填空 | ||||
| When I was in primary school, I got into a major argument with a boy in my class. I can't 1 what it was about, but I have never forgotten the 2 I learned that day. I was 3 that I was right and he was wrong and he was sure that I was wrong and he was right. The 4 decided to teach us very important lessons. She 5 both of us up to the 6 of the class and 7 him on one side of her desk and me on 8 . In the middle of her desk was a large, round object. I could 9 see that it was black. She asked the boy what 10 the objects was. "White", he answered. I couldn't believe he said the object was white, 11 it was obviously black !Another 12 stared between my classmates and me, this 13 abut the color of the object. The teacher told me to go to stand where the boy was standing and told him to come to stand where I had been. We changed 14 , and now she asked me what the color of the object was. I 15 answer, "White". It was an object with two 16 colored sides, and from his side it was white. 17 from my side was the color black. My teacher taught me a very important lesson that day: You must 18 in the other person's shoes and look at the 19 through their eyes in order to 20 understand their view. | ||||
|