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【简答题】
汽车 蓄电池的主要作用 : 一是为汽车起动、照明和点火提供 1 ; 二是 在充电系统的输出能力不能满足用电设备需要的电流时 2 供电 ; 三是可吸收系统 3 保护电子元件不被损坏,四是 在 发电机正常工作用电设备供电并对蓄电池进行 4 。( 请从下列选项中选择正确答案)
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皮皮学刷刷变学霸
举一反三
【单选题】Which of the following is the characteristic of China's climate?
A.
cold and humid in the north
B.
warm climate and distinctive seasons for most parts
C.
plentiful rainfall in the southwest
D.
lowest precipitation in the northeastern inland area
【单选题】Any perceivable alterations in climate could provide an exact description of today's climate.
A.
sensible
B.
thankful
C.
appreciable
D.
valuable
【简答题】As we know, the earth's climate has changed over time.The present rate of climate change depends, in large part, on human activities.Today, people all over the world are everyday choices that h...
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