[题目]我国有首童谣唱到:“太阳大.地球小.太阳带着地球跑,地球大.月球小.地球带着月球跑. 据此回答下列问题. [1]童谣中描述的天体.按照先后顺序分类正确的是 A．恒星.行星.卫星 B．星云.恒星.行星 C．恒星.行星.小行星 D．恒星.小行星.流星体[2]童谣中出现的天体属于①太阳系 ②地月系 ③银河系 ④河外星系 ⑤总星系 ⑥可见宇宙 ⑦宇宙A．①②③④⑤⑥⑦ B．� 题目和参考答案——青夏教育精英家教网—

题目内容

【题目】我国有首童谣唱到：“太阳大，地球小，太阳带着地球跑；地球大，月球小，地球带着月球跑。”据此回答下列问题。

【1】童谣中描述的天体，按照先后顺序分类正确的是

A．恒星、行星、卫星 B．星云、恒星、行星

C．恒星、行星、小行星 D．恒星、小行星、流星体

【2】童谣中出现的天体属于

①太阳系 ②地月系 ③银河系 ④河外星系 ⑤总星系 ⑥可见宇宙 ⑦宇宙

A．①②③④⑤⑥⑦ B．①②③④⑤⑥

C．①②④⑤⑦ D．①③⑤⑥⑦

【3】童谣中所涉及的天体系统层次共有

A．一级 B．二级 C．三级 D．四级

【答案】

【1】A

【2】D

【3】B

【解析】

试题分析：

【1】太阳属于恒星；地球属于行星，月球属于卫星。故选A。

【2】依题意，月球、地球共同构成地月系，这是最低一级的天体系统，地球和太阳等构成太阳系，这是童谣中的最高一级的天体系统，太阳系又包含在银河系中，银河系包含在总星系中，故选D。

【3】月球、地球构成地月系，地球和太阳等天体构成太阳系，由此判断包含两级天体系统，故选B。

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