【題目】我國青藏高原緯度較低，但是高原上雪山連綿，冰川廣布，其影響的因素是

A．緯度因素

B．地形地勢因素

C．海陸因素

D．環(huán)境因素

【答案】B

【解析】

試題分析：

地勢對氣候的影響，主要表現(xiàn)為隨著地勢的增高，氣溫降低．一般情況下，每增高100米，氣溫約下降0.6℃．青藏高原平均海拔4000米以上，海拔高，氣溫低．這就是形成一些高山“一山有四季”、山頂積雪終年不化的主要原因，故選B．

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