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    【题目】关于亚洲自然环境的叙述，正确的是（ ）
    A.地形以平原为主
    B.地势西高东低
    C.有世界最长的河流﹣长江
    D.气候复杂多样，季风气候显著

    【答案】D
    【解析】解：A、亚洲地形以高原、山地为主，平均海拔高．亚洲山地和高原约占总面积的3/4．故A不符合题意；B、亚洲地势中部高，四周低．“世界屋脊”青藏高原雄踞亚洲中部，喜马拉雅山脉等众多高大的山脉，以帕米尔高原为中心向四周延伸．故B不符合题意；C、亚洲的大江大河很多．长江的长度和流量都居亚洲首位，世界第三．故C不符合题意；D、亚洲的气候特点：一、亚洲面积广大，地跨寒、温、热三带，气候复杂多样．二、亚洲各地距海远近不同，加上气流和地形等因素的影响，干湿差异悬殊．总体上看，亚洲气候的大陆性特征显著．三、在世界各大洲中，亚洲东部和南部的季风最强盛，最典型，影响范围也最广．故D符合题意．
    故选：D．

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