问题
多项选择题
热力管道的平面布置主要有( )。
A．枝状
B．环状
C．带状
D．点状
答案
参考答案：A,B
解析：热力管道的平面布置主要有枝状和环状两类。
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热力管道的平面布置主要有( )。
A．枝状
B．环状
C．带状
D．点状
参考答案：A,B
解析：热力管道的平面布置主要有枝状和环状两类。
通读下面短文，掌握其大意，然后在各题所给的A，B，C，D四个选项中，选出一个最佳答案。 As I had my first child, I promised myself never to be a pushy parent. I was going to be a very 36 and understanding mother. Five years later my little boy was about to 37 for his yellow belt in karate(空手道). As a five-year-old child, he wasn’t taking it 38 , because it was Mom trying to help him. I found myself yelling and telling him he would never get the belt acting like that. I was trying to 39 him his back-flip（背摔）. He continued to play and I continued to 40 . Finally I had made him feel like he couldn’t 41 anything, just as I promised myself I wouldn’t do. Still mad and stubborn I couldn’t 42 . I had to teach him his flip. He was doing fine with it by the time we had to leave to go to karate. While taking the test, he did 43 . His instructor would ask him to do something, and it became 44 for him. He never asked him to do the back-flip. He had passed his yellow belt test. We got in the car to 45 when he looked at me and said ”Mom, why did you make me do that back-flip so many times, 46 it wasn’t even on the test.” The words wouldn’t have 47 anything to anyone else, but it was a slap in my face. That night while 48 in bed, I told him I loved him. He was 49 and didn’t say anything, just giggled. I said “I really do love you baby.” I was still feeling 50 , and also wondering if he had 51 me. Finally he replied in the 52 voice, “I know you do, but I love you more.” He had forgiven me and I had decided that his feeling were more 53 than any test he would 54 take. I made a new 55 to be better mother and to accept that he was only a child.
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