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    Recently some American scientists have given a useful piece of advice to people in industrialized nations.
They say people should eat more of the same kind of food eaten by humans living more than 10,000 years
ago.1.________
     The scientists say that the human life has changed greatly.Our bodies have not been able to deal with
these changes in lifestyle and this had led to new kinds of sicknesses.2.________So they are called
"diseases of civilization".Many cancers and diseases of the blood system are examples of such diseases.
     Scientists noted that people in both the Old Stone Age and the New Stone Age enjoyed very little
alcohol or tobacco,probably none.3.________However,a change in food is one of the main differences
between life in ancient times and that of today.
     Stone Age people hunted wild animals for their meat,which had much less fat than domestic ones.They
ate a lot of fresh wild vegetables and fruits.They did not have milk or any other dairy products,and they
made very little use of grains.4.________We eat six times more salt than our ancestors.We eat more
sugar.We eat twice as much fat but only one third as much protein and much less vitamin C.
     5.________But scientists say that we would be much healthier if we eat much the same way the
ancient people did,cutting the amount of fatty,salty and sweet food.
A.Stone Age people lived a simple life.
B.But today,we enjoy eating a lot of these.
C.In that case,they would live much healthier.
D.Ancient people also got lots of physical exercise.
E.These new sicknesses were not known in ancient times.
F.People today probably don't want to live like our ancestors.
G.Modern people used to suffer from "diseases of civilization".
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阅读理解
A. When a child should learn to read
B. Why it is fun to teach a child reading
C. What if a child has reading problems
D. How you prepare a young child for reading
E. What is the best way to teach a child reading
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1. _____
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2.
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reading, is helpful, phonics must be taught. Children must be taught that one of the squiggles they see is
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4.  _____
You can start developing the skills needed in reading at a very young age without putting any pressure on
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words as they go, teaching the child that the funny lines on the page are the words you are saying. All this
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