Among the problems we face,I think poverty is the biggest problem.My reasons are as follows.To begin with,there are still many people dying of starvation in many poor countries.They don’t have enough food,for they have no money.It’s no doubt that eating unhealthily will result in illness.What’s more,people in these undeveloped areas usually lack of proper health care.Thus,infectious diseases like AIDS spreads fast.That is terrible.全文你参考这个“英语作文网”吧:http://www.***.cn/gz/50091.html lcl1977