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急求英语作文,ageinchinaANDINUSA要求：1.thesituationofoldpeopleinchina2.oldpeopleintheusa3.aconclusion
急求英语作文,ageinchinaANDINUSA
要求：1.thesituationofoldpeopleinchina
2.oldpeopleintheusa
3.aconclusion
ThemaincauseoftheagingprobleminChinaisduetotheimprovementofmedicalcondition,socialcultureandscientifictechnologysoboththebirthrateandmortalityrateofChinakeepdecreasing...
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