2. 外语
  3. A、To get cleaner water. B、To avoid water pollution. C、To protect its local river. D、To reduce costs. D

A、To get cleaner water. B、To avoid water pollution. C、To protect its local river. D、To reduce costs. D

admin2021-08-23  18
问题
选项 A、To get cleaner water.
B、To avoid water pollution.
C、To protect its local river.
D、To reduce costs.
答案D
解析
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大学英语四级

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