【单选题】
Recent studies have identified four major global environmental risks; acid rain, ozone depletion, deforestation and the greenhouse effect.
A、recognized
B、proved
C、got rid of
D、multiplied
查看答案解析
参考答案:
正在加载...
答案解析
正在加载...
根据网考网移动考试中心的统计,该试题:
60%的考友选择了A选项
7%的考友选择了B选项
32%的考友选择了C选项
1%的考友选择了D选项