试题与答案

光年是天文学中的距离单位,指光在一年时间中行走的距离,1光年大约是9460000

题型:填空题

题目:

光年是天文学中的距离单位,指光在一年时间中行走的距离,1光年大约是9460 000 000 000km,用科学记数法可表示为______km(保留两位有效数字).

答案:

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参考答案:C解析:村民委员会选举的过程包括:选举权和被选举权村民名单公布、候选人提名、投票、公布结果。故C项不属于村民委员会选举的必经环节。

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