题目内容
(请给出正确答案)
[主观题]
The purpose of the passage is to______.A.describe the harmful air pollutionB.explain the w
The purpose of the passage is to______.
A.describe the harmful air pollution
B.explain the way to prevent air pollution
C.show the worries about the air pollution
D.recommend a method to avoid air pollution
如搜索结果不匹配,请 联系老师 获取答案