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【多选题】
扑救废纸篓里的废纸片等小火时,正确的做法是A.
用手拍灭
B.
用水或灭火器扑灭
C.
用湿毛巾覆盖
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反馈参考答案：
举一反三
【简答题】转向器是转向系统的( )装置,目前在汽车上广泛应用的转向器主要有齿轮齿条式和( )等几种。
【简答题】在数据处理技术发展过程中,数据独立性最高的阶段是________
【单选题】Which one is not the significance of household contract responsibility system?
A.
It has liberated the rural productivity and motivated peasants to work harder.
B.
It helped to separate a large amount of rural labor force from land cultivation.
C.
It helped peasants to change into commodity producers and managers.
D.
It was affected by the foreign large-scaled agricultural production mode.
【简答题】典型的液力变矩器由哪三个元件组成:泵轮、 、导轮
【单选题】Which one is not the significance of household contract responsibility system?
A.
It has liberated the rural productivity and motivated peasants to work harder. liberated the rural productivity and motivated peasants to work harder. It has liberated the rural productivity and motivated peasants to work harder.
B.
It helped to separate a large amount of rural labor force from land cultivation. It helped to separate a large amount of rural labor force from land cultivation.
C.
It helped peasants to change into commodity producers and managers.
D.
It was affected by the foreign large-scaled agricultural production mode It was affected by the foreign large-scaled agricultural production mode.
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