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【单选题】
在( )情况下,自动重合闸装置不应动作。A.
用控制开关或通过遥控装置将断路器跳开；
B.
主保护动作将断路器跳开；
C.
后备保护动作将断路器跳开；
D.
某种原因造成断路器误断开。
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反馈参考答案：
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【单选题】The Deadly Life Saver When a family climbs into a vehicle to go on a trip or even a short ride, it's important that everyone is as safe as possible. We know that terrible accidents can occur. That's【1...
A.
when
B.
how
C.
why
D.
because
【多选题】生化分离技术是指从含有目标产物的（ ）中，提取、精制并加工制成高纯度的、符合规定要求的各种产品的生产技术
A.
发酵液
B.
酶反应液
C.
动物细胞培养液
D.
植物细胞培养液
【单选题】It isn't ____ to drive a motor vehicle when you are distracted by something, such as talking on the phone.
A.
sensitive
B.
sensible
C.
sensational
D.
sentimental
【单选题】On a vehicle such as a car, the ____is the device that makes a loud noise as a signal or warning.
A.
phone
B.
loudspeaker
C.
bone
D.
horn
【单选题】It isn't _____ to drive a motor vehicle when you are distracted by something, such as talking on the phone.
A.
sensible
B.
sensitive
C.
sense
D.
senseless
【判断题】Ro-Ro vessels are ferries designed to carry wheeled cargo, such as cars, trucks, semi-trailer trucks, trailers, and railroad cars, that are driven on and off the ship on their own wheels or using a pl...
A.
正确
B.
错误
【判断题】Because All-electric vehicle runs on electricity, the vehicle emits no exhaust from a tailpipe but does contain some typical liquid fuel components, such as a fuel pump, fuel line, or fuel tank.
A.
正确
B.
错误
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