【題目】春節(jié)時，黑龍江冰天雪地，海南島烈日炎炎，氣候的主要影響因素是 ( )

A. 緯度因素 B. 海陸因素 C. 洋流因素 D. 地形因素

【答案】A

【解析】我國位于北半球，南北跨將近50個緯度．在冬季，太陽直射在南半球，對北半球來說，緯度越高，正午太陽高度角越低．我國北方地區(qū)正午太陽高度角比南方低，白晝短，得到太陽的光熱少．所以，我國黑龍江省北部冬季低溫可達(dá)-30～-40℃，滴水成冰，大地白雪皚皚；而海南省冬季平均氣溫在20℃左右，氣候暖熱，到處綠樹成陰．故選A。

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