人教版九年级全册unit13 We’re trying to save the earth! SectionA 1a-2d.第1课时课件（该课件内含频文件）（该课件包含单词语句听力）
Interviewer: Today we’re talking to Jason and Susan about environmental problems. Jason and Susan, can you tell us about some of the problems you’ve seen?
Jason: I think one problem is that the air is badly polluted. I hardly ever see blue skies anymore.
Susan: Yes, and I used to see the stars clearly.
Interviewer: What do you think has caused this problem?
Susan: Well, there are more cars on the road these days.
Jason: And factories that burn coal also pollute the air with a lot of black smoke.
Interviewer: What other problems do you see?
Susan: I guess there’s too much rubbish and waste in the streets.
