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问题 填空题

电力机车的传动装置就是实现由（）到（）进行功率和转矩传递的装置。

答案

参考答案：电机；轮轴

单项选择题

设置在海拔高度1000m以下的变配电室等有电气火灾危险的防护区内的卤代烷1301灭火系统，其系统组件与标称线路电压小于等于110KV的带电部件之间最小间距应为()m。

A．1.28

B．0.94

C．1.90

D．2.56
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阅读理解
阅读理解。

     Here is an exam notice. Mrs. Johnson gave it to her students last week. Read it and answer the
questions.

             To the students of Class 3A: 
1. Exams start on June 22 and end on June 23.
2. The time for each of the subjects:
    English June22       9: 30 A.M - 10: 30 A.M
    Math June 22        11: 00 A.M - 12: 00 P.M
    History June 22     2: 30 P.M - 3: 30 P.M
    PE June23             8: 00 A.M - 10: 00 A.M
    Music June 23       1: 00 P.M - 3: 00 P.M 
3. For the PE test, go to the gym. For the music test, go to the Piano Room. All else
are written tests. They will be held in classroom 3A.
4. No student can enter the exam room more than 15 minutes after the exam starts.
5. No food or drink during ANY test.
6. No dictionaries during the English exam.
7. Wear pants and
* If you have questions, go to the Teacher's Office before the tests.

1. Who gave the exam notice to her students?        
A. Mr. Johnson.            
B. Mrs. Johnson.        
C. Teachers' Office.      
D. English teacher.
2. Who could NOT take the English exam?        
A. Nancy.  She didn't wear her sports shoes on June 22.        
B. Richard.  He did not have breakfast before the exam.        
C. Wendy. She forgot to take an English dictionary with her.        
D. Tony.  He went to school at 9:50 0n the morning of June 22.
3. Where was Class 3A at 2: 00 P. M. June 23?       
A. In the Piano Room.        
B. In their classroom.        
C. In the gym.       
D. At the Teacher's Office.
4. When were the written tests held?        
A. Only on the morning of June 22.        
B. Only on the morning of June 23.        
C. On the morning and afternoon of June 22.       
D. On the morning and afternoon of June 23.
5. You must ____ for the PE exam.        
A. bring dictionaries        
B. bring drink        
C. wear pants and sports shoes        
D. bring food
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