18. You look young for your age.你看起来很年轻。

19. diary food 乳制食品 20.cause acne 导致粉刺

20. help our bones and teeth to develop 帮助我们的骨骼和牙齿生长

21. a guide to….一份…的指南

22. give us energy and nutrition 给我们精力和营养

23. A balanced diet is very important to health.

平衡的饮食对健康是重要的

24. It is a good idea to eat grains and vegetable.

吃谷物和蔬菜时很好的想法

谈论身体状况1.A:What’s wrong with the boy? B:He is overweight.

2.A:Is there anything wrong with me?

B:I hope not./There is nothing much wrong=(serious) with you. 谈论个人爱好的食物

A：What kind of food do you like eating?

B:I’m fond of chips, chocolate and ice cream. I prefer meat to vegetables. 要求对方进一步澄清所说的话：

1. Sorry,I didn’t follow you.=I didn’t catch what you said.

2. A:What do you mean by going on a diet? Mean meant meant B:You should eat less junk food.

3. 给对方提出一些建议：

1.You are overweight, you have to go on a diet.

2.No wonder you are so overweight. You’d better go on a diet.