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【题目】明月几时有,把酒问青天。不知天上宫阙,今夕是何年?公元1076年的秋天,密州太守苏轼把酒问青天之时,天上其实并没有一个真实的天宫存在。935年后的秋天,2011年9月29日21时16分3秒,天宫一号在酒泉卫星发射中心发射升空,至10月6日18时,天宫一号已绕地球飞行109圈。据此完成下列各题。

【1】天宫一号所绕转的天体属于

A.恒星 B.行星 C.卫星 D.星云

【2】进入绕转轨道的天宫一号属于(太阳系地月系总星系银河系河外星系)

A.①② B.①②③ C.①②③④ D.①②③④⑤

【答案】

【1】B

【2】C

【解析】

试题分析:

【1】天宫一号绕地球运行,地球是行星,所以B正确。

【2】地球、月球构成地月系,探测卫星天宫一号也属于地月系,地月系又包含在太阳系中,太阳系包含在银河系中,银河系包含在总星系中。

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