问题 单项选择题

主机系泊试验时,由于()应进行磨合试验。

A.主轴瓦或连杆大端轴瓦换新

B.吊缸检修但未更换零件

C.增压器检修

D.活塞杆填料函检修

答案

参考答案:A

阅读理解

阅读理解。

     Sandra usually gets up at six in the morning. She usually has breakfast at six thirty. She goes to school

at around seven o'clock. School starts at seven thirty.

     Sandra learns many subjects at school: math, English, science, history, art, music and PE. Her favorite

subject is music. It's relaxing, and the music teacher is fun.

     Sandra has four classes in the morning. At eleven forty she comes home for lunch. She has lunch with

her grandmother. In the afternoon, she isn't very busy. She has only two classes. After school she does

her homework and plays with other kids.

     In the evening, Sandra's parents come home from work at five o'clock. The family have dinner at six.

After that they usually listen to music or watch TV. Sandra goes to bed at nine thirty. Her grandmother

goes to bed at nine, and her parents go to bed at around ten o'clock.

1. Sandra goes to school at _________.

A. 6:00            

B. 6:30          

C. 7:00          

D. 7:30

2. Sandra's favorite subject is _________.

A. math            

B. music          

C. history          

D. art

3. Sandra has _________ classes every day.

A. four            

B. six            

C. seven            

D. eight

4. Sandra usually does homework _________.

A. after dinner     

B. in the morning    

C. before breakfast      

D. in the afternoon

5. The family don't _________ in the evening.

A. play chess        

B. watch TV      

C. go to bed            

D. listen to music

单项选择题