问题 问答题 简答题

PVA高压开关柜不能储能的主要原因有那些?

答案

参考答案:

①二次插头接触不好②储能电机烧③储能限位开关无法复位。

阅读理解

阅读理解。

     It is 1965,a 1ittle boy is on the beach (海滩) with his parents. He is four years old. The boy plays near the water. He

walks into the water. His parents aren't watching him.

     The water is over the boy's head! A woman sees the boy. She picks up the boy and carries him to his parents. The

woman's name is Mrs Blaise.

     It is 1975,ten years 1ater.The boy is on the same beach. He is 14 years old now. He is big and strong. He is a good

swimmer. A man is in the water. The man can't swim. 'Help! Help!' the man cries.

     The boy runs into the water. He swims to the man and pulls the man to the beach. 'Thank you. Thank you.' says

the man. Who is the man? His name is Mr Blaise. He is Mrs Blaise's husband.

1. The boy was born in            .         

A.1965  

B.1961    

C.1969    

D.1975

2. Where is the boy when Mrs Blaise sees him?    

A.He is in a park.          

B.He is near his home.

C.He is with his parents.    

D.He is in the water.

3. The underlined phrase'picks up'means'             '.     

A.拾起    

B.拣起    

C.救起    

D.接送

4. What can the boy do when he is 14 years old?     

A.He can swim.    

B.He can run.

C.He can pull.    

D.He can play near the water.

5. Which is NOT right?      

A.The boy is very strong.

B.The boy saves Mr Blaise.

C.The man is Mrs Blaise's husband.

D.The boy's parents don't want to save Mr Blaise.

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