问题 单项选择题

下列选项中,属于供配电系统短路电流计算方法的有( )。

A.标幺值法

B.利用系数法

C.二项式法

D.欧姆值法

答案

参考答案:A

解析:[知识点] 高压系统短路电流计算方法

完形填空
完形填空。
      Linlin is a boy. He   1   in the No. 5 Secondary School. Every day he gets up early in the morning. Then he
reads English   2   Chinese.   3   half past six he   4   breakfast. He goes to school   5   bike.
      Class begins at eight in the morning. There are four classes in the morning and two in the afternoon. Classes
  6   over at four thirty in the afternoon. Sometimes he plays games   7   his friends. At five o'clock he leaves
school.
      In the evening, he does his homework. He likes watching TV. But he doesn't   8   it from Monday to Friday.
He can only   9   it on   10   and Sunday.
( ) 1. A. study  
(     ) 2. A. of     
(     ) 3. A. In     
(     ) 4. A. has    
(     ) 5. A. on     
(     ) 6. A. am      
(     ) 7. A. with   
(     ) 8. A. watches
(     ) 9. A. sees   
(     ) 10. A. Monday
B. studying
B. and     
B. On     
B. have    
B. by      
B. is      
B. and     
B. watching        
B. watches 
B. Tuesday 
C. studies   
C. but       
C. For     
C. eat      
C. in       
C. are      
C. or        
C. watch           
C. look      
C. Saturday
D. like studying  
D. like           
D. At             
D. is eating      
D. at             
D. be             
D. of             
D. likes          
D. watch           
D. Friday       
多项选择题