食品安全问题(On the Food Security)Directions: Directions: You are supposed to finish a composition with 120 words or so within 30 minutes. The outline is as follows: 1) 目前食品安全问题很多; 2) 出现这么多的原因; 3) 解决的办法 资料: Food Security The World Food Summit of 1996 defined food security as existing “when all people at all times have access to sufficient, safe, nutritious food to maintain a healthy and active life”. Commonly, the concept of food security is defined as includ
