高中英语第四册Unit7高二英语课件
日期：2010-07-22 07:07
000 people are living with HIV/AIDS ，100， of whom 3，000，Unit 7Period1
warming up1What diseases can you think of ?
2 Which of them are deadly diseases?backacheLung diseaseLiver troubleKidney diseaseHIVAIDSHow HIV destroys cellsIt is reported by the UN that in the world 40，000 have died this yea，
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