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【单选题】
某双轴汽车的前、后制动器制动力具有固定比值，Fμ1/Fμ=0.55，轴距为2.0m，质心距离前轴的距离a=1.2m，质心高度hg=0.5m。该车在附着系数为0.778的路面上制动时：A.
前轮先抱死
B.
后轮先抱死
C.
前后轮同时抱死
D.
基于已知信息无法判断
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【简答题】定义是否正确,为什么? 过失犯罪就是由于某种过失而犯罪。 答题模式:(正确/不正确,原因)
【单选题】当你离开实验室时,记得关掉电灯和空调。
A.
To make great progress, we have to think over outside the box.
B.
Remember to turn on the air conditioner and lights when you are leaving the lab.
C.
Remember to turn off the lights and air conditioner when you are leaving the lab.
D.
It’s necessary to turn off lights and air conditioner when you are not in the lab.
【多选题】新民主主义革命与社会主义革命的关系是
A.
二者的性质一样
B.
新民主主义革命是社会主义革命的必要准备
C.
新民主主义革命是社会主义革命的必然趋势
D.
二者没有关系
【简答题】Things You Can Do to Help the Environment CARS Cars are getting bigger. Bigger cars burn more gas and increase problems with air pollution. So try to walk, ride, or take buses or subways. And if...
【单选题】Things you can do to help decrease global warming include:
A.
Keep your air conditioner on high.
B.
Turn off your lights when you’re not using them .
C.
Keep your freezer door open.
D.
Eat more ice cream.
【简答题】阅读理解。 Things You Can Do to Help the Environment CARS Cars are getting bigger. Bigger cars burn more gas and increase problems with air pollution. So try to walk, ride, or take buses or subways. And if...
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