某综合大楼，建筑高度为48m，地上十层，地下一层，每层建筑面积为1950m2，设有中央空调系统，两部疏散楼梯间，两部电梯，一部自动扶梯。
请分析以上案例，回答下列问题：
(1)该建筑应设几部消防电梯?
(2)该建筑空调系统风管在哪些部位应设置防火阀?
(3)该建筑消防用电设备的配电线路能否采用明敷，如果可以，应满足什么条件?
参考答案：
(1)该建筑每层建筑面积在1500～4500m 2 之间，应设置两部消防电梯。
(2)该建筑在下列部位应设置防火阀：①管道穿越防火分区处。②穿越通风、空调机房及重要的或火灾危险性大的房间隔墙和楼板处。③垂直风管与每层水平风管交接处的水平管段上。④穿越防火分隔处的变形缝两侧。
(3)可以明敷，但应采用矿物绝缘耐火电缆，或穿金属管(金属线槽)并在其上涂防火涂料保护。
An eight-year-old child heard her parents talking about her little ___1______ All she knew was that he was very sick and they had no money left. When she heard her daddy say to her 2 mother with whispered desperation（绝望）, "Only a miracle（奇迹） can save him now", the little girl went to her bedroom and took out her piggy bank. She poured all the change out on the floor and counted it carefully. Then she 3 her way six blocks to the local drugstore（药店）. "And what do you want?" asked the chemist. "It’s for my little brother," the girl answered back. "He’s really, really sick and I want to buy a 4 . His name is Andrew and he has something bad growing inside his head and my 5______says only a miracle can save him." "We don’t sell miracles here, child. I’m sorry," the chemist said, smiling 6 at the little girl. In the shop was a 7 customer. He stooped down and asked the little girl, "What kind of miracle does your brother need?" "I don’t know," she replied. "He’s really sick and mommy says he needs 8 . But my daddy can’t pay for it, so I have brought my 9 ." "How much do you have?" asked the man. "One dollar and eleven cents, _____10 ____I can try and get some more," she answered quietly. "Well, what a coincidence（巧合）," smiled the man. "A dollar and eleven cents? The 11 price of a miracle for little brothers. Take me to where you live. I want to see your brother and meet your parents." That well-dressed man was Dr Carlton Armstrong, a surgeon（外科医生）. The operation was completed without 12 and it wasn’t long before __13__________was home again and doing well. The little girl was____14______. She knew exactly how much the miracle cost ... one dollar and eleven cents ... plus the 15 of a little child. 小题1:A dog B sister C brother. D father
小题14:A satisfy B happy C frightened D angry
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