PASSAGE FOUR [br] What does the passage mainly tell us?Warmer climate could caus

游客2023-10-31 62

问题 PASSAGE FOUR [br] What does the passage mainly tell us?

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答案 Warmer climate could cause a dramatic impact on water resources．

解析该题为主旨大意题。根据全文可知，即使温室效应导致气温上升1至2摄氏度，也会对北美西部的水资源产生巨大影响。对该地区气候进行了模拟研究的科研小组警告说，在21世纪，随着气温逐渐上升，积雪场将大幅度减少，洪水泛滥将更为严重。

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