读以极点为中心的半球图。图中晨昏线与70°纬线圈相切,图中A地地

读以极点为中心的半球图。图中晨昏线与70°纬线圈相切,图中A地地方时为当天的3时。读图完成题。

此时有关自然现象的描述,正确的是(    )

    A.开普敦沿岸炎热干燥                   B大兴安岭林区郁郁葱葱

C黄淮海平原土壤返盐                   D.叶尼塞河出现凌汛

答案

B

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