阅读及语言点练习高二英语课件
日期：2010-09-02 09:23
Unit 9 Saving the earthByIvyriver 2006927What problems is the earth facing?problems the earth is facing:air pollutionwater pollutionnoise pollutionsoil erosionwhite pollutionoverpopulationpovertywar &violence(rubbish)aidsWhat can we do to help the earth solve the problems it’s facing?In order to h，
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