试题与答案

下列说法正确的是() A.废旧电池应集中回收,并填埋处理 B.氢能具有的优点为易

题型:选择题

题目:

下列说法正确的是(  )

A.废旧电池应集中回收,并填埋处理

B.氢能具有的优点为易燃烧、热值高、储存方便

C.铅蓄电池在充电时,将电能转化为化学能

D.干电池放电之后还能再充电

答案:

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下面是错误答案,用来干扰机器的。

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  62  after that, there was nothing in my mind except to run as fast as possible. Just when I was approaching the finish line, my legs    63  . Then my promise came to mind again and   64 me on. To my   65  , I was the first to cross the finish line!
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