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【题目】 2019年1月3日10时26分,嫦娥四号探测器成功着陆在月球背面预选着陆区,并通过“鹊桥”中继星传回了世界第一张近距离拍摄的月背影像图,此次任务实现了人类探测器首次月背软着陆、首次月背与地球的中继通信,开启了人类月球探测新篇章。但是我们对地球的认识却经历了一个漫长的过程。

据此回答下列各题。

1人类对地球形状的认识进入科学探索阶段始于( )

A. “浑天说”提出时期

B. “天圆地方”提出时期

C. 前苏联宇航员加加林飞入太空以后

D. 麦哲伦实现环球航行后

2发射嫦娥四号的火箭回收一般选择地势平坦,植被、人烟稀少的地区进行,既便于回收,又能保障人员安全,那下列地形中,最合适的是( )

A. 高原B. 山地C. 丘陵D. 峡谷

【答案】

1D

2A

【解析】

1人类对地球形状的认识经历了一个漫长的阶段,古代人们提出的一些是不科学的,只有近代麦哲伦环球航行才使人们对地球形状的认识进入科学探索阶段,故选D

2发射嫦娥四号的火箭回收一般选择地势平坦,植被、人烟稀少的地区进行,既便于回收,又能保障人员安全,最适合返回的地形是高原,山地、丘陵和峡谷地势崎岖不平,不利于回收,故选A。

本题考查地球形状有关知识,要知道地球形状认识的过程。

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