第5题: [单项选择]What is found to have close relationship with rapid increase in population A. War between 2 countries. B. Ways discovered to increase productivity. C. Migration from a continent to another continent. D. A new religion beginning to be accepted by people. 参考答案:B 答案解析:[参考译文] 发现什么与人口快速增长有密切的关系
[试题分析] 本题考查对相关细节的掌握,
[详细解答] 从人类三次重大变化中我们知道每次人口增长都与生产力、和生产方式的提高有关,所以正确答案为