据美国航天局2009年度报告,太阳黑子活动很可能已经达到近一个世

据美国航天局2009年度报告,太阳黑子活动很可能已经达到近一个世纪以来的最低谷。美国科学家警告说,2012年的强太阳风暴将给人类带来巨大的灾难。据此回答4题。

4有关太阳活动的叙述,不正确的是:

A.太阳黑子是太阳表面的低温区域;  B.太阳“强风”的出现是太阳活动最激烈的显示;

C.太阳黑子的多少,可以作为太阳活动强弱的标志; D.太阳黑子与耀斑出现的周期相同;

答案

B

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