问题 单项选择题

下列水加热器选用方案中,正确的是______。

A.某医院集中热水供应系统选用1台水加热器,其供热能力为设计小时耗热量的2倍
B.某旅馆集中热水供应系统选用2台水加热器,一台工作时,其供热能力等于设计小时耗热量;备用的加热器其供热能力为设计小时耗热量的1/3
C.某医院集中热水供应系统选用2台带滞水区的容积式水加热器,每台的供热能力为设计小时耗热量的1/2
D.某旅馆集中热水供应系统选用2台水加热器,每台的供热能力为设计小时耗热量的1/2

答案

参考答案:D

解析:《建筑给水排水设计规范》(GB 50015—2003)中第5.4.3条规定,医院热水供应系统的锅炉或水加热器不得少于2台,其他建筑的热水供应系统的水加热设备不宜少于2台;一台检修时,其余各台的总供热能力不得小于设计小时耗热量的50%。A选项中选用1台,即便是其供热能力为设计小时耗热量的2倍也是不行的,B选项中备用的加热器其供热能力为设计小时耗热量的1/3,应该是1/2。规范中还规定,医院建筑不得采用有滞水区的容积式水加热器,因此C选项也是错误的。

完形填空

第Ⅱ卷(共35分)

第四部分:写作(共两节,满分35分)

第一节:对话填空(共10小题;每小题1分,满分10分)

阅读下面对话,掌握其大意,并根据所给首字母的提示,在标有题号的右边横线上写出一个英语单词的完整、正确的形式,使对话通顺。

(M="Man      " W=Woman)

W: Good morning, Dr. Brown. Good to see you again.

M: Well, I have to be down in New York at the end of this week.

Is there still any (76)r_______ on any of the flight?                                 76__________

W: I’ll see. When do you want to leave?

M: Friday night or Saturday morning at the (77)l________ .                      77__________

W: I’ll see what’s available. Yes. There are still a few (78)s_______                78__________

available. But it’s the last flight on Friday night (79)l_______ here                 79__________

at 10:15.

M: When would we (80)a________ in New York?                                   80__________

W: Just after midnight.

M: Not ideal, but could not be worse. Reserve a seat for me on that one, then.

W: Gladly. Are you (81)t_______ for business and pleasure?                           81__________

M: I’m supposed to (82)a_______ a medical conference at the weekend,         82__________

but I hope I’ll have a (83)c_______ to get in some jazz, too. I’ve                   83__________

always been a great jazz (84)f_______.                                           84__________

W: OK. I’ve (85)m_______ your reservation. Have a good trip.                  85__________

M: Thank you.

单项选择题 A1型题