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【单选题】
下面哪项是防止和减少交通事故的最有效手段。( )
A.
预防
B.
学习
C.
沟通
D.
听话
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【单选题】杭州公交车车身上印有“混合动力车”的字样,其中一部分是汽油燃烧提供动力,另一部分由什么提供动力。
A.
蓄电池
B.
太阳能
C.
乙醇
D.
柴油
【单选题】听力原文:M: Did you like the film? W: Not particularly. I was rather disappointed. I'd expected it to be much more exciting. Q: What can we learn from this conversation? (16)
A.
On the whole, she liked the film.
B.
She didn't see the film.
C.
The film was very exciting.
D.
The film wasn't as good as she'd expected.
【单选题】杭州公交车车身上印有“混合动力车”的字样,其中一部分是汽油燃烧提供动力,另一部分是由________提供动力。
A.
太阳能
B.
蓄电池
C.
乙醇
D.
柴油
【单选题】杭州公交车车身上印有“混合动力汽车”的字样,其中一部分是汽油燃烧提供动力,另一部分由什么提供动力?
A.
蓄电池
B.
太阳能
C.
乙醇
D.
柴油
【简答题】在 直流电路中,若A点的电位为10V,B点的电位为2V,则A和B之间的电压为( )伏。
【单选题】若测得工作在放大电路中的某一只双极性晶体管(BJT)的3个电极的直流点位为:U1=0V,U2=-10V,U3=-9.3V,据此可判断该管是( )
A.
PNP 型锗管
B.
.PNP型硅管
C.
NPN 型锗管
D.
NPN型硅管
【单选题】听力原文: To get a driver's license, you must take a series of tests. The first test is the vision test. This test checks your eyes to see if you have to wear glasses when you drive. The second test is a ...
A.
Your eye sight.
B.
Your driving ability.
C.
The mechanical condition of your car.
D.
Your knowledge of traffic regulations.
【判断题】螺栓联接是螺旋副。
A.
正确
B.
错误
【简答题】In order to have safe operation, it is imperative that you maintain good communication with ATC. The controller ’ s understanding can be enhanced by you responding appropriately and using standard phr...
【判断题】螺栓联接是螺旋副。
A.
正确
B.
错误
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