A：Health is very important for our body.And healthy foods plays a very important role in it.So,what do you think is a healthy diet?
健康对于我们的身体是十分重要的。而且健康的食物在这里扮演了一个十分重要的角色。所以，你认为什么是健康的饮食?
B：A healthy diet should contain all the essential nutrients.
健康的饮食应包含所有必需的营养物质。
A：How could people eliminate food contamination nowadays?
现在人们怎样才能杜绝食品污染事件?
B：The government should set strict rules and regulations to standardize the production of food and punish severely those violators.
政府应制定严格的规章制度来规范食品生产，并且严惩违法者。
A：Why does food contamination occur frequently these days?
为什么食品污染问题现在频繁发生?
B：Because the food manufactures are so obsessed with making money that they lose the business ethics. They no longer take food safety as their priority.
因为食品生产者惟利是图，丧失了商业道德。他们不再把食品安全当作首要问题。
A：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 disease.
我认为这是由于生活条件改善，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。
A：What’s your eating habit?
你有什么饮食习惯?
B：I have a balanced diet and I always have meals in a regular way.
我饮食均衡，而且吃饭有规律。
A：How do you keep fit?
你怎样保持健康?
B：I am not particular about food and I often do exercise as long as I have free time.
我不挑食，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 shape.
不，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。
A：What are the advantages of transgenic food?
转基因食品有什么优点?
B：Transgenic technology can increase the yield of the crops and give the crops such attributes as insect-resistance or drought-resistance.
转基因技术可以提高农作物的产量，使它们具有抗病虫、耐干旱等特性。
A：What do you think of instant noodles?
你认为方便面怎么样?
B：On the one hand, it is easy to prepare and thus brings convenience to our busy life. On the other hand, it is harmful to our health since it contains preservatives.
一方面，方便面易于准备，因此给我们忙碌的生活带来了便利。另一方面，由于它含有防腐剂，所以对健康有害。