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【单选题】
CRH380A统型动车组警惕报警试验时，主控端警惕报警蜂鸣器响起后，()秒后，确认主控端司机室故障显示屏中“紧急制动”灯亮。
A.
10
B.
8
C.
6
D.
4
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【单选题】Some pessimistic experts feel that the automobile is bound to fall into disuse. They see a day in the not-mo-distant future when all autos will be abandoned and allowed to rust. Other authorities, how...
A.
keep in the right lane
B.
wait to arrive at his destination
C.
keep in constant touch with the computer center
D.
inform the system of his destination by phone
【单选题】Some pessimistic experts feel that the automobile is bound to fall into disuse. They see a day in the not-too-distant future when all autos will be abandoned and allowed to rust. Other authorities, ho...
A.
How to render automobiles pollution-free.
B.
How to make smaller and safer automobiles.
C.
How to solve the problem of traffic jams.
D.
How to develop an automated subway system.
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【单选题】Some pessimistic experts feel that the automobile is bound to fall into disuse. They see a day in the not-mo-distant future when all autos will be abandoned and allowed to rust. Other authorities, how...
A.
keep in the right lane
B.
wait to arrive at his destination
C.
keep in constant touch with the computer center
D.
inform the system of his destination by phone
【单选题】Some pessimistic experts feel that the automobile is bound to fall into disuse. They see a day in the not-too-distant future when all autos will be abandoned and allowed to rust. Other authorities, ho...
A.
How to render automobiles pollution-free.
B.
How to make smaller and safer automobiles.
C.
How to solve the problem of traffic jams.
D.
How to develop an automated subway system.
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