2006年广东地区高二英语选修六Unit4(含ppt,视频文件)新课标课件
日期：2010-02-11 02:34
melting glaciers， rising sea levels and floods
droughts and desertification
famines
diseases
destruction of species
Listen to the tape and answer:
1Who are the writers of the letters?
A He is doing a project on global warming B He feels individ，
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