任务型阅读。根据短文内容，回答问题。
Do you often have a cold, headache or backache? If your answer is yes, your health is a problem. Healthy foods are good for our health. Tofu is a kind of healthy food. It is also a traditional Chinese food. We often eat it in China. Now, many people in other countries think tofu is good for health, too. They also like eating it.
Milk is another kind of healthy food. You should drink one or two glasses of milk every day.
Vegetables are important, too. You should eat lots of them. There are vitamin A, B, C, D, E (维生素A,B,C,D,E) and other vitamins in them.
Of course, it’s important to eat a balanced diet. You need some pork, chicken or beef every day. But you shouldn’t eat much of them.
Are healthy foods good for your health?
                                                              
What’s the traditional food in China?
                                                         
Why are vegetables important to our health?
                                                               
Which is a good diet: some beef, some pork, a hamburger and a glass of cola for dinner or some pork, tofu and some vegetables?
                                                            
What did you have for dinner last night?