问题 多项选择题

换流变发生哪些情况时,现场应加强监视和检查,必要时可以申请停运相应换流变。()

A.内部声音异常,且不均匀

B.在负荷、冷却条件正常的情况下,换流变温度不断上升

C.换流变油色谱分析变化异常

D.套管裂纹,并有闪络放电痕迹或有漏油

答案

参考答案:A, B, C, D

阅读理解

阅读理解

Dear Amy,

     Susan is my pen pal. She's from London, England. She speaks good English. She's now in Shanghai

with her parents, because they work in Shanghai. Susan can speak a little Chinese.

     There are five people in her family, her parents, her two brothers and she. Her brothers aren't in

China. They are in England.

     She likes singing and dancing very much. Her favorite subject is music. She likes going to the movies

on weekends. She thinks it's fun. I think she's a nice girl.

     Do you want Susan to be your pen pal?

                                                                                                                                        Yours,

                                                                                                                                        Sophia

l. Susan is Sophia's        .          

A. sister      

B. aunt            

C. cousin            

D. pen pal

2. Where does Susan live now?

A. In Shanghai.                      

B. In New York.

C. In Beijing.                        

D. In London.

3. How many brothers and sisters does Susan have?

A. She has two sisters and one brother.

B. She has two brothers but no sister.

C. She has two sisters but no brother.

D. She has two brothers and one sister.

4. What's Susan's favorite subject in school?

A. Chinese.                

B. Music.

C. English.                 

D. Math.

5. Which of the following is TRUE according to the passage?

A. Susan is from China.

B. Susan is in Shanghai with the whole family.

C. Susan likes going to the movies on weekends.

D. Susan speaks good Chinese.

单项选择题