Scientists have learned a lot about the kinds of food people need. They said that there are several kinds of food that people should eat every day.
★Wheat, corn or rice            ★Green and yellow vegetables
★Meat, fish and eggs            ★Fruit like apples, pears and so on
★Milk and butter                ★All kinds of nuts
People in different countries and different places of the world eat different kinds of things. Food is cooked and eaten in many different kinds of ways. People in different countries eat at different times of the day. In some places people eat once or twice a day. In other countries people eat three or four times a day. Scientists say that none of the differences is really important. It doesn’t matter whether food is eaten raw or cooked, cool or hot. It doesn’t matter if a person has dinner at four o’clock in the afternoon or at eleven o’clock at night. The important thing is what  you eat every day.
There are two problem in feeding the large number of people on the earth. The first is to find some ways to feed the world’s population so that no one in hungry. The second is to make sure that people everywhere have the right kinds of food to get them to be strong and healthy.
According to scientists, which of the following groups of food is the healthiest of your lunch?
A. beef, pork, fish, milk.
B. oranges, bananas, fish, tomatoes
C. chicken, apples, rice, cabbages
What’s the meaning of underlined word “raw” in the passage?
A.罐装的               B.生的                 C. 冷冻的
It is important for people to eat      .
A. three times a day
B .something for lunch at 12 o’clock
C. different kinds of food every day.
Which of the following is True?
A. Scientists are helping people be strong and healthy
B. Cooked food is much better than raw one.
C. None of the people in the world is hungry.