问题
单项选择题
在河床内距主体工程轴线上下游一定的距离，修筑拦河堰体，一次性截断河道，使河道中的水流经河床外修建的临时泄水道或永久泄水建筑物下泄，此施工导流方法为( )。
A．束窄河床导流
B．底孔导流
C．分段围堰法导流
D．戗堤法
答案
参考答案：D
搜题请搜索小程序“爱下问搜题”
在河床内距主体工程轴线上下游一定的距离，修筑拦河堰体，一次性截断河道，使河道中的水流经河床外修建的临时泄水道或永久泄水建筑物下泄，此施工导流方法为( )。
A．束窄河床导流
B．底孔导流
C．分段围堰法导流
D．戗堤法
参考答案：D
| 阅读理解。 | |||||
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| 1. You may have a chance to introduce your inventions on _____. | |||||
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| A. Sunday B. Monday C. Wednesday D. Friday | |||||
| 2. The person who teaches Computer Science is from _____. | |||||
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| A. Canada B. Australia C. New Zealand D. America | |||||
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| A. Dr. West B. Mr. Morison C. Mrs. Green D. Mr. Thomas | |||||
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