2. 外语
  3. Original usage refers to rivers that ______ . Entering rivers by ______ , phosphates and nitrates as fertilizers can result in

Original usage refers to rivers that ______ . Entering rivers by ______ , phosphates and nitrates as fertilizers can result in

admin2009-08-19  34
问题 Original usage refers to rivers that ______ .
Entering rivers by ______ , phosphates and nitrates as fertilizers can result in eutrophication.
选项
答案rainwater runoff and groundwater seepage
解析 该段第一句指出用磷酸盐和硝酸盐做肥料能够引起其他问题。第二句就举例说明了所导致的问题。该句中的Entering rivers via rainwater runoff and groundwater seepage, these chemicals can cause eutrophication直接给了导致超营养作用的是Entering rivers via rainwater runoff and groundwater seepage，其中by=via。
转载请注明原文地址:https://kaotiyun.com/show/N8pK777K
0

大学英语六级

相关试题推荐
随机试题
最新回复(0)