Recently some American scientists have given a useful piece of advice to people in industrialized countries.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 human life has changed greatly. Our bodies have not been able to deal with these changes in lifestyle and this has led to new kinds of sicknesses.2.They are called“diseases of civilization”.Many cancers and diseases of the blood system are examples of such diseases.

The 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 today.

Stone Age people hunted wild animals for their meat, which had much less fat than domestic (驯养的) 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 and we eat more sugar as well. We eat twice as much fat but only one third as much protein (蛋白质) and much less vitamin C.

5.But the scientists say that we would be much healthier if we eat much the same way the ancient people did, cutting the amount of fat, salty and sweet food.

A. Stone Age people lived a simple life without any meat.

B. But today, we enjoy eating a lot of these.

C. In that case, they would live a much healthier life.

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”.

Although English is not as old as Chinese, it is spoken by many people around the world every day. English speakers are always creating new words, and we are often able to know where most words come from.

Sometimes, however, no one may really know where a word comes from. Did you ever think about why hamburgers(汉堡包) are called hamburgers, especially when they are not made with ham(火腿)? About a hundred years ago, some men went to America from Europe. They came from a big city in Germany called Hamburg. They did not speak good English, but they ate good food. When some Americans saw them eating round pieces of beef, they asked the Germans what it was. The Germans did not understand the question and answered, “We come from Hamburg.” One of these Americans owned a restaurant, and had an idea. He cooked some round pieces of beef like those which the men from Hamburg ate. Then he put each between two pieces of bread and started selling them. Such bread came to be called “hamburgers”. Today “hamburgers” are sold in many countries around the world.

Whether this story is true or not, it certainly is interesting. Knowing why any word has a certain meaning is interesting. too. This reason, for most English words, can be found in any large English dictionary.

1.Hamburg is_____________.

A. a kind of food B. a round piece of beef

C. the name of a village D. a city in Germany

2.According to the story, ________________.

A. few Americans like hamburgers

B. hamburgers are only made with beef

C. hamburgers are made with ham

D. hamburgers were first sold about a century ago

3.According to the writer, which of the following can often be found in any large English dictionary?

A. Where all the new words come from

B. Where those Germans came from

C. The reason why a word has a certain meaning

D. The reason why English is spoken around the world

4.According to the story, the word “hamburger” comes from_________________.

A. China because it has a long history

B. England because Germans don’t speak good English

C. the round pieces of beef which those people from Hamburg were eating

D. English speakers because they always create new words

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