问题
单项选择题
高层建筑的室内消火栓给水系统有不分区和分区的较典型的两种。其中分区给水的室内消火栓给水系统一般适用于建筑高度超过（）m高层建筑。
A.50
B.60
C.80
D.100
答案
参考答案：A
搜题请搜索小程序“爱下问搜题”
高层建筑的室内消火栓给水系统有不分区和分区的较典型的两种。其中分区给水的室内消火栓给水系统一般适用于建筑高度超过（）m高层建筑。
A.50
B.60
C.80
D.100
参考答案：A
| 完形填空。 | ||||
| A 12-year-old boy saw something in a shop window that set his heart racing.But the price-five dollars-was far beyond Reuben Earle's wealth.Five dollars would buy almost a week's groceries for his family. But hearing the sound of hammering from a side street, Reuben had an idea. He ran towards the 1 and stopped at a construction site.People built their own homes in Bay Roberts, using nails _2_ in hessian sacks(麻袋)from a local factory.Sometimes the sacks were _3_, and Reuben knew he could sell them back to the 4_ for five cents a piece. Back home, he looked at his mother Dora and _5_.Sunlight from the window gilded her shoulder-length blonde hair.Slim and beautiful, she was the center of the home, the glue that held it together. Every day after school, Reuben walked down the town, _6_ the hessian nail bags.On the day the school closed for the summer, no student was more 7 than Reuben.Now he would have more time for his _8_. Then one day the _9_ had come. Reuben ran down Water Street to the store."Please, Mister.I have to sell the sacks now." The man took the sacks, 10 his pocket and put four coins in Reuben's hand.Reuben murmured (小 声说)a thank you and 11 , home. When he got home.Reuben 12 the tin can.He poured the coins out and began to 13 . He had enough. Then, he headed for the shop, "I have the 14 ," he told the owner. The man went to the window and took out Reuben's 15 . He wiped the dust off and gently wrapped it in brown paper.Then he placed it in Reuben's hands. Racing home, Reuben _16_ the front door."Here, Mum! Here'." He placed a small box in her work-roughened hands. She 17 it carefully. A jewel box appeared.Dora lifted the cover, 18 beginning to blur (模糊) her vision. Dora had never received such a 19 ; she had no jewellery except her wedding ring. 20 ,she smiled and gathered her son into her arms. | ||||
|