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【题目】我国古书曾记载公元前28年 三月己末,日出黄,有黑气大如钱,居日中央。据此回答下列各题。

【1】记载中所说的黑气发生在太阳的(

A.光球层 B.色球层 C.日冕层 D.内部

【2】当黑子和耀斑增多时,下列关于太阳活动对地球的影响叙述正确的是(

A.使地球气候异常,从而使天文五带范围中的热带范围扩大

B.扰乱地球上空的电离层,使地面的无线电短波通讯受到影响,甚至中断

C.在地球各地的夜空都能产生极光

D.使地球的两极地区出现极昼和极夜现象

【答案】

【1】A

【2】B

【解析】

试题分析:

【1】阅读材料并结合所学的知识,可以得出记载中所说的黑气指的是太阳黑子,是光球层上常出现的暗黑的斑点。

【2】当黑子和耀斑增多时,会对地球的气候产生影响,主要表现在对降水的影响,不会对五带产生影响,会辐射电磁波,扰乱地球上空的电离层,使地面的无线电短波通讯受到影响,甚至中断,会在极地地区欣赏到美丽的极光,但不会产生极昼和极夜现象。

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