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【题目】2014年太阳处在第24活动周的高峰年,其活动理应处于最活跃的时期。然而,太阳活动强度明显不及上一个活动周,甚至出现太阳表面连黑子都没有了这种罕见现象。在7月18日当天,黑子更像是在躲猫猫,在太阳表面消失了,整个太阳显得异常平静。据此回答下列小题。

【1】2014年是本次太阳活动的高峰年,那么上一个太阳活动高峰年约是(

A.2000年 B.2003年 C.2009年 D.2013年

【2】太阳光球层和色球层出现的主要太阳活动分别是(

A.黑子和耀斑 B.耀斑和日珥 C.黑子和太阳风 D.耀斑和黑子

【3】本次太阳活动所产生的带电粒子流到达地球后,对地球产生的影响可能有(

地球各地出现极光现象 地球磁针不能正确指示方向 威胁天宫一号在太空中的运行安全 我国南极长城站会出现极昼现象

A.③④ B.①② C.①③ D.②③

【答案】

【1】B

【2】A

【3】D

【解析】

试题分析:

【1】太阳活动的周期是11年,2014年是太阳活动的高峰年,上一个太阳活动的高峰年是2014的11年前2003年,B正确。

【2】太阳光球层出现的太阳活动是黑子,色球层出现的太阳活动是耀斑,A正确。

【3】太阳活动产生的影响:使地球的磁针不能正确指示方向,威胁天宫一号在太空中的运行安全,D正确;只有两极地区才会出现极光;我国长城站没有位于南极圈以南不会出现极昼现象,而且极昼现象与太阳活动无关。

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