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【单选题】
Raven thought that people should not live in the dark, so he decided to bring light to them.A.
Raven was very sad that people lived in the dark, so he made a decision to bring light to them.
B.
Raven thought that people should not live in the dark, so he made a decision to bring light to them.
C.
Raven made a decision to bring light to people because he hated the idea that people lived in darkness.
D.
Raven made a decision to bring light to people because he believed that they should not live in darkness.
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【简答题】纯电动汽车是高科技综合性的产品,其车体本身也包含许多高新技术,例如, 车体本身的 可以延长蓄电池的充电周期,增加续航里程,所以这方面的技术创新也要重视起来。能量管理系统是纯电动汽车的 核心,能够协调 各个功能部分的工作,包括能源、机械元件、电机、驱动部分等之间的工作都是靠 系统来协调统一的,可见其重要性。蓄电池、变速器、电机等零部件对纯电动汽车的性能有重要的影响,在运行过程中必须保证其相互协调。
【简答题】试验车辆的准备过程包括_______和______两个阶段。充电即对蓄电池进行充电直至充满,预热是指试验车辆以制造厂估计的30 min最高车速的80%行驶5 000 m,使电机及传动系统预热。
【判断题】Protected by the Atlantic Ocean, its major foreign polic y, known as the Monroe Doctrine , was to limit European attempts of further colonization of the Western Hemisphere, which truly reflec ted the ...
A.
正确
B.
错误
【判断题】蓄电池能量管理系统直接检测及管理电动汽车的储能蓄电池运行全过程,包括蓄电池充放电过程管理、蓄电池温度检测、蓄电池电压电流检测、电量估计、单体蓄电池故障诊断等方面。
A.
正确
B.
错误
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