六级Facing water shortages and escalating fertilizer costs, farmers in developing countries are using raw sewage ( ' , 下 水道污水) to irrigate and fertilize nearly 49 million acres of cropland, according to a new report—and it may not be a bad thing.
面对水资源短缺和化肥成本不断上升,发展中国家的农民正在使用未经处理的污水(“,下 水道污水) 根据一份新的报告,灌溉和施肥近4900万英亩的农田,这可能不是一件坏事。
2016年6月阅读原文
六级Facing water shortages and escalating fertilizer costs, farmers in developing countries are using raw sewage to irrigate and fertilize nearly 49 million acres of cropland, according to a new report—and it may not be a bad thing.
根据一份新的报告,面对水资源短缺和化肥成本上升,发展中国家的农民正在使用未经处理的污水灌溉和施肥近4900万英亩的农田,这可能不是一件坏事。
2016年6月六级真题(第二套)阅读 Section C
六级Better irrigation can dramatically improve crop yield and about 40% of the world's food supply is currently derived from irrigated land
更好的灌溉可以显著提高作物产量,目前世界40%的粮食供应来自灌溉土地
2013年12月阅读原文
六级Better irrigation can dramatically improve crop yield and about 40% of the world's food supply is currently derived from irrigated land.
更好的灌溉可以显著提高作物产量,目前世界40%的粮食供应来自灌溉土地。
2013年12月阅读原文
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