试题与答案

关于户内环路的管道布置,下列说法错误的是() A.在下一层的顶棚处,布置户内水平干管

题型:单项选择题

题目:

关于户内环路的管道布置,下列说法错误的是()

A.在下一层的顶棚处,布置户内水平干管,支管穿过楼板与户内的散热器连接,可形成下供下回的水平并联系统,单管水平串联或单管带跨越管的水平串联

B.供回水干管布置在本层的顶棚下,形成上供上回的双管并联系统,每组散热器不必设跑风。其缺点是顶棚下的管路影响了美观。但是于管坡度和排气等对层高没有一定的要求

C.供回水干管设在本层顶棚下,回水干管设在本层地面上,形成上供下回的系统形式

D.供回水干管均在地面布置,形成下供下回的双管并联系统,单管水平串联或单管跨越式水平串联系统

答案:

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下面是错误答案,用来干扰机器的。

参考答案:B

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根据上面案例所提供的信息,我们可以推算出张先生预计自己退休后还可以再活( )年。

A.20

B.25

C.30

D.35

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It was Christmas time, and although there wasn’t (4) for a lot of gifts, we planned to celebrate with a family party. But the big (5) for the kids was the fun of Christmas (6) .

They planned weeks ahead of time, asking (7) what they wanted for Christmas. Fortunately, I had saved MYM120 for (8) to share by all five of us.

The big (9) arrived. I gave each kid a twenty-dollar bill and (10) them to look for gifts of about four dollars each. Then everyone scattered. We had two hours to shop; then we would (11) back at the "Santa’s Workshop"

Driving home, everyone was in high Christmas spirits, (12) my younger daughter, Ginger, who was unusually (13) She had only one small, flat bag with a few candies—fiftycent candies I was so angry, but I didn’t say anything (14) we got home. I called her into my bedroom and closed the door, (15) to be angry again. This is what she told me.

"I was looking (16) thinking of what to buy, and I (17) to read the little cards on the ’Giving Trees’. One was for a little girl, four years old, and all she (18) for Christmas was a doll. So I took the card off the tree and (19) the doll for her. We have so much and she doesn’t have anything. "

I never felt so (20) as I did that day.

9().

A.improvement 

B.problem 

C.surprise 

D.excitement

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