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【判断题】
简略试验:制动主管达到规定压力后,自阀减压100kPA、并保压1min,检查制动主管贯通状态,检车员、车站值班员或车站有关人员检查确认列车最后一辆车发生制动作用;司机检查制动主管漏泄量,每分钟不得超过20kPA。_______A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】______ to computer games, the boy began to dislike school, which made his parents worried.
A.
Related
B.
Addicted
C.
Connected
D.
Used
【简答题】完形填空 。 It rained for four days. Mike couldn't go out and 1 with his friends. His parents went to work and had to 2 the boy at home. They bought some 3 for him. But he didn't like to read them. He stoo...
【单选题】His parents began to ______ a small sum of money every month for his college education when he was still a little child.
A.
put up
B.
lay down
C.
set aside
D.
place apart
【简答题】Daniel Olin was 11 years old when his parents moved to Canada. He liked his new school and made friends there, but then things at home started to change. His mum and dad began to argue and the argumen...
【简答题】It rained for days.Mike couldn’t go out and with his friends.His parents went to work and had to the boy at home.They bought some for him.But he didn’t like to read them. He stood by the window(窗户）and...
【简答题】After he entered the university, he decided not to be dependent _____ his parents any longer. He began to work part-time to support himself.
【简答题】多层楼的组网通常采用常规组网方案之间的( )。
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