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问题 单项选择题

日常维护保养由（）进行

A．专业维修人员

B．机械工

C．设备操作人员

D．有相应资质的单位

答案

参考答案：C

选择题

— How do you go to school? 

— I live near school. I _____. [ ]

A. go to school by train               

B. go to school by plane                 

C. go to school by taxi                  

D. walk
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选择题

Because of the Mid-autumn Day happening to _________, we have just enjoyed a longer          National Day vacation than ever before, but it is estimated that it will be 38 years __________       we can experience such a coincidence again.

A．make up, when

B．Come across, that

C．pick up, since

D．come along, before
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