[题目]以下对南.北美洲的叙述正确的是:A. 南北美洲的经济发展均衡B. 南美洲是世界上平均海拔最高的大洲C. 北美洲居民以黄色人种为主D. 北美洲平均海拔较高.地形分为南北三大纵列带题目和参考答案——青夏教育精英家教网—

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【题目】以下对南、北美洲的叙述正确的是：

A. 南北美洲的经济发展均衡

B. 南美洲是世界上平均海拔最高的大洲

C. 北美洲居民以黄色人种为主

D. 北美洲平均海拔较高，地形分为南北三大纵列带

【答案】D

【解析】南北美洲经济发展不均衡，北美洲经济发达，南美洲欠发达；南极洲是世界平均海拔最高的大洲；北美洲居民以混血人种为主；北美洲平均海拔较高，地形分为南北三大纵列带，西部是高大的山系，中部是广阔的平原，东部是低缓的高地。

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