问题
多项选择题
合流制排水体制适用于特殊的城市且应采用截流式合流制。这里所说的特殊城市包括( )的城市。
A．降雨量稀少
B．降雨量较多
C．排水区内有水量充沛的水体
D．街道狭窄，没有条件安排更多的管道
E．降雨时混合污水对水体的污染在允许范围
答案
参考答案：A,C,D,E
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合流制排水体制适用于特殊的城市且应采用截流式合流制。这里所说的特殊城市包括( )的城市。
A．降雨量稀少
B．降雨量较多
C．排水区内有水量充沛的水体
D．街道狭窄，没有条件安排更多的管道
E．降雨时混合污水对水体的污染在允许范围
参考答案：A,C,D,E
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| Last Sunday I found a little boy sitting in the park. A lot of people passed by but never stopped to 1 why he looked so sad. The boy just sat and watched people pass by. He 2 said a word. Many people 3 , but no one stopped. As I got closer. I found his back was so different from others'. It had a 4 shape. Perhaps that was the reason why people just passed by and made no effort to 5 .I sat down 6 him and said, "Hello!" Then he said in a low voice, "Hi." I smiled and so did he, 7 , we talked there till it got dark. I asked the boy why he was so 8 . He looked at me and said with a sad look,"Because I'm 9 ." "But you remained me of an angel, sweet and innocent (纯真的)," I said. He looked at me and said," 10 ?" I said at once, "Yes, I think you are an angel 11 is sent to watch over all those people walking by." Hearing this, the little boy jumped up. "I am! I'm an angel!" he shouted, with a twinkle (闪耀的光芒) in his 12 . I was moved by the happy boy. I was happy 13 he was no longer sad. After that, my life also 14 . I learned how to share both happiness and sadness. Sharing as caring. We give it to others in the same way that people give it to 15 . Remember: You are not alone in the world. | ||||
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