题目

下列关于太阳活动的说法,正确的是 A.黑子多的年份,一定发生大地震 B.太阳活动极大年,太阳风的强度和频度增加 C.耀斑发生时,太阳风强度减小        D.黑子增多的年份、耀斑反而减少 答案:B读下面句子并判断对(√)错(×)。(_____) 1. Shanghai is the capital city of China.(_____) 2. The flag of China is red and blue.(_____) 3. We speak English in China.(_____) 4. Tian'anmen Square is in Beijing.(_____) 5. The map of China looks like a rooster (公鸡).
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