精选优质文档-----倾情为你奉上
精选优质文档-----倾情为你奉上
专心---专注---专业
专心---专注---专业
精选优质文档-----倾情为你奉上
专心---专注---专业
食品安全(food security)
andardize the production of food and punish severely those ，并且严惩违法者。
C：Why do many people suffer from heart disease recently? 最近为什么很多人患上了心脏病？
B：I suppose it is because the improved living conditions provide people with more refined grain and meat. Consequently, people have an excessive amount of fat which leads to heart ，人们有了更多细粮和肉类。结果就摄入了过量的脂肪，从而引起了心脏病。
精选优质文档-----倾情为你奉上
精选优质文档-----倾情为你奉上
专心---专注---专业
专心---专注---专业
精选优质文档-----倾情为你奉上
专心---专注---专业
A：What’s your eating habit? 你有什么饮食习惯？
D：I have a balanced diet and I always have meals in a regular ，而且吃饭有规律。
A：How do you keep fit? 你怎样保持健康？
C：I am not particular about food and I often do exercise as long as I have free ，而且一有时间就会运动。
A：Do you have fast food very often? 你经常吃快餐吗？
B：No, I seldom eat fast food because it’s rich in fat. And I want to keep a slender ，我几乎不吃快餐，因为它含有很多脂肪。而我想保持苗条的体形。
C：What are the advantages of transgenic food? 转基因食品有什么优点？
D：Transgenic technology can increase the yield of the crops and give the crops such attributes as insect-resistance or drought-，使它们具有抗病虫、耐干旱等特性。
B：What do you think of instant noodles? 你认为方便面怎么样？
A：On the one hand, it is easy to prepare and thus brings co
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