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问题 单项选择题

冲洗车辆应遵循清洗（）的操作程序。

A、自上而下、先首后尾、顺时针

B、自下而上、先首后尾、顺时针

C、自下而上、先尾后首、顺时针

D、自下而上、先首后尾、逆时针

答案

参考答案：A

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This is Alice White . She is from Canada . She is twelve  1  old . She is  2 Class Eight , Grade Seven . She has big eyes and long hair .  3 mother is  4 English teacher . She has a sister . She is a student , 5  . They are in  the same  school but in different classes.

小题1:A.years             B .month              C .year       

小题2:A. in               B . from                C . at         

小题3:A. He               B. His                 C .  Her

小题4:A. an              B . a                    C . the           

小题5:A. to             B . and                 C.  too      
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判断题

浇口杯的挡渣能力很弱，可在其底部加设筛网芯，以加强挡渣能力。
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