问题 问答题

试据图分析美国的地势特点以及对气候的影响。

                                                                                                                                                               

                                                                                                                                                               

                                                                                                                                                               

答案

特点:两边高,中间低

影响:西部山脉阻挡了来自太平洋的水汽,中部低有利于夏季来自墨西哥湾的暖湿气流形成降水,而冬季冷空气可以长驱直入,形成寒冷的冬季

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