我国近年来积极采取包括发展新能源在内的措施应对全球气候变化。木薯是喜高温、不耐霜雪作物，也是生物质能源燃料乙醇(新能源)的重要原料。每生产燃料乙醇1吨需要消耗鲜木薯约7．5吨。下图是某省级行政区年均温分布图，
该区域河流的主要补给是（ ）。
- A.地下水
- B.大气降水
- C.湖泊水
- D.冰雪融水
正确答案及解析
正确答案
解析
该河流位于我国南方，雨季较长，补给类型主要为大气降水。
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