问题 问答题 简答题

对线路电杆基础回填土高出地面高度是如何规定的?

答案

参考答案:

电杆基础回填土:回填一般土质时,电杆基础回填土应高出地面300mm;回填冻土及不易夯实的土质时,防沉土层应高出地面500mm。

完形填空
完形填空。
     Summer vacation is coming soon. Some of the students are talking    1    spending the vacation. Jack
and Mike are going summer    2    in the mountain. They are leaving next Sunday. They are staying there 
   3    about three weeks. Mary is going to Beijing    4    her parents. She wants to go to the Great Wall
and visit the Palace Museum. She is    5    Beijing    6    July 2nd. They are staying there for a week.
Nancy is going back to her hometown to see her grandparents. She is staying with    7    for half a month.
Tom is going    8    in the mountain. He is going there with his brother. John wants to do    9   . He is
going bike  10    with some of his friends around the country. I hope all of them will have a good time.
( )1. A. with                
( )2. A. camping              
( )3. A. at                  
( )4. A. and                  
( )5. A. leaving              
( )6. A. in                  
( )7. A. they                
( )8. A. hike                
( )9. A. something different  
( )10. A. ride                
B. to                
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D. for                
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D. leaving for        
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