Unit9Savingtheearth课件
日期：2010-12-05 12:59
Unit9 Saving the earth
Questions:
1What has happened to the forest?
2What made the people lose their homes ?
What’s happening to the earth in the video?
Choose “Y” or “N”
water pollution
global warming
(全球变暖)
starvation
war
air polluti，
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