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       Scientists have learned a lot about the kinds of food people need.  They say there are some kinds
of food that people should eat every day. They are (1) green and yellow vegctables of all kinds; (2) citrus
fruit and tomatoes; (3) potatoes ancJ other fruits and vegetables; (4) meat of all kinds, fish and eggs;  (5)
milk and foods made from milk;(6)  bread or cereal (谷類),  rice is also in this kind of food;  (7)  butter
or something like butter.
     People in different countries and different places of the world eat different kinds of things.  Food are
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
foods are eaten raw (生的) or cooked,  canned (罐裝的)  or frozen (冷凍的).  It doesn't matter if
a person eats 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 problems,  then,  in feeding the large number of people on earth.  The first is to find
some way to feed the world's population so that no one is hungry. The second is to make sure that
people everywhcre have the right kinds of food to make them grow to be strong and healthy.
1. According to the scientists, which of the following groups of food is the healthiest for your lunch?
A. Chicken, apples, cereal, cabbages
B. Potatoes, carrots, rice, bread
C. Oranges, bananas, fish, tomatoes
D. Beef, pork, fish, milk
2.  It is important for people to cat________
A. three times a day
B.  dinner at twelve o'clock
C.  cooked food all the time
D.  something from each of the seven kinds of food every day
3.  People in different countries and different places of the world________.
A.  have the right kinds of food to eat
B.  cook their food in the same way
C.  have their meals at the same time
D.  eat food in different ways
4.  Which of the following is not true?
A.  People in some places don't have cnough to cat.
B.  There are too many people in the world.
C.  One of the problems is that no one is hungry.
D. The scientists are trying to make peoplc grow to be strong and hcaltliy.
5. If there is Paragraph (段落) 4, what do you think is going to to talk  about?
A.  When people eat their lunch.
B.  What to do with the two problems.
C.  How to cook food in clifferent ways.
D.  Why people eat different kinds of food.

     Paragraph 1
     Scientists have learned a lot about kinds of food people need. They say that there are several kinds of
food that people should eat every day. They are: (1) green and yellow vegetables of all kinds; (2) citrus
(柑橘) fruits and tomatoes; (3) potatoes and other fruits and vegetables; (4) meat of all kinds, fish and
eggs; (5) milk and foods made from milk; (6) bread or cereal (谷類), rice is also in this kind of food ;
(7) butter, or something like butter.  
     Paragraph 2
     People in different countries and different places of the world eat different kinds of things. Foods are
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 foods are
eaten raw or cooked, canned or frozen. It doesn't matter if a person eats dinner at 4 o'clock in the afternoon
or at eleven o'clock at night. The important thing is what you eat every day.
     Paragraph 3
     There are two problems, then, in feeding the large number of people on earth. The first is to find
some way to feed the world's population so that no one is hungry. The second is to make sure that people
everywhere have the right kinds of food to make them grow to be strong and healthy.