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    【题目】电影《2012》讲述在2012年，地球因为异常的太阳活动而面临毁灭；飞机从地缝中、倒塌的楼宇中穿梭而过，汽车在喷发的火山“流弹”中飞驰，主人公刚刚跑过的地面轰然塌陷……回答下列各题。

    【1】太阳活动的主要标志是

    A.黑子和耀斑 B. 黑子和极光

    C.耀斑和极光 D. 耀斑和磁暴

    【2】下列关于太阳活动对地球影响的叙述，不正确的是

    A. 影响无线电短波通讯 B. 可能导致人类的彻底毁灭

    C. 可能引发磁暴，电离层扰动 D. 可能引发干旱、洪涝等灾害

    【答案】

    【1】A

    【2】B

    【解析】

    试题分析：

    【1】太阳活动的主要标志是黑子和耀斑，周期约为11年。

    【2】黑子活动影响地球上的气候变化（影响各地的降水量变化）；耀斑爆发扰乱电离层，产生磁暴，干扰无线电短波通讯；太阳风到达地球两极，产生极光，我们日常生活和生产直接所用的能源主要来自太阳辐射而不是太阳活动。

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