Eating habits in northern(北部) China 、southern(南部)? China 
and western country(西方国家):

    Different people eat different food. In the north of China, people like eating noodles, dumplings and buns, but in the south of China, people like eating rice, porridge and soup. In the western country, people like eating steak, hamburgers, pizza and salad. All of these foods are good for us. We need four kinds of foods every day. They are meat, fruit-vegetables, cereals and milk foods. Besides, we should take exercise every day. In that case, we will be healthy.