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For years we have believed we were either healthy or sick.【51】, during the mid-1990s, scie

ntists developed a new concept called "sub-health", a status【52】health and illness. The concept of sub-health has become【53】because it has helped to explain many health problems.【54】one study, only 5. 6% of people in the overall population are actually sick,【55】the sub-healthy group consists of about 60%, and the【56】population is considered healthy.【57】of one's sub-health will help one to be alert to the underlying disease and remain healthy. Sub-health is a state in which the body is【58】turning from health to illness or from illness to health. Our bodies are actively【59】the conditions of health, sub-health and disease. Factors【60】aging, internal or external toxicity (毒性), and body or mind exhaustion may cause sub-heath, but taking good care of the body can change a sub-healthy status to a healthy one.

(51)

A．Besides

B．However

C．Meantime

D．Therefore

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更多“For years we have believed we …”相关的问题

第1题

It was two years ago______she went to teach in the mountains, and we have never seen her s

ince then.

A．when

B．before

C．that

D．after

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第2题

In the last twenty years, breakthroughs in technology have （) advanced the way we comm

A.A.profoundly

B.B.deeply

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第3题

The past 22 years have really been amazing, and every prediction we've made about

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第4题

What message can we get from the last paragraph ？ A．American football might develop in dif

ferent places． B．American football is supposed to be changeable. C．American football will have its own rules. D．American football might see changes in the years to come.

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第5题

The industrial societies have been extremely productive during the last two centuries. The

economic advance has been remarkable. During this relatively short period of time, greater changes in people's living conditions have occurred than in the thousands of years which preceded.

During the past 200 years the world population has increased 6 times, the annual world output has increased 80 times, and the distance a person can travel has gone up 1,000 times. There has also been much recent progress in art, culture, learning, and science. Such changes have led to a high rate of production and growth of the economy.

Economists fear that within the next 100 to 150 years, the earth's resources will become very scarce. Their fears are partly justified, but we should not be afraid. Industrial civilization adapts to new knowledge. By advancing knowledge, we not only create new forms of resources, but we also find ways to economize their use. Advanced modern knowledge can feed the hungry people of the world and improve their standard of living.

The figures in the second paragraph are used for the following purposes EXCEPT______.

A．prediction.

B．contrast.

C．definition.

D．explanation.

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第6题

A hundred years ago, the game we now call football did not exist. American football starte

d during a game between two colleges. The teams had got together to play what they called "football", but each team played by different rules. One team played what we now call soccer. The other played what we now call rugby (橄榄球).

Both games had been invented a thousand years before. In the first kind of football game ever played, all the men from one village tried to kick a ball into another village. The men of the second village tried to kick the ball into the first. Hundreds of people joined in, running everywhere, running crops and knocking down fences. In time, people agreed on some rules to keep order, but many roles were left open to change. Different rules developed in different places.

When the two colleges met to play football, each followed its own rules. They mixed the games together and invented a new game. A hundred years later we call that game American football.

In what ways do you suppose the game we know now will have changed in another hundred years？

When the two colleges first met to play "football", the players followed ______.

A．the rules of soccer

B．the rules of rugby

C．different rules

D．college rules

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第7题

Most of us，when we reached our teens，started looking forward to the day when we would occu

py places of our own，far from the confines of our families. We saw this moving away as a chance to strike out on our own，to grow，to spread out wings and experience freedom. At the same time，we regarded this independence as temporary-the thing to do until we found the perfect mate and married. Over the years，many millions of people have made this passage from one family to another，with just a brief，often nervous interval of independence in between. But recently，more and more people have begun to challenge the concept that living together is better than living alone. Being single is now accepted as an alternative lifestyle-one that is natural，rewarding，and complete. In fact，being single has become almost fashionable.

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第8题

We have no idea as to when men began to use salt, but we do know that it has been used m m

any different ways throughout the history.

For example, it is recorded in many history books that people who lived over 3000 years ago ate salted fish. Thousands of years ago in Egypt, salt was used to preserve the dead.

In some periods of history, a person who stole salt was thought to have broken the law. Take the eighteenth century for example, if a person was caught stealing salt, he would be thrown into prison. History also records that only in England about ten thousand people were put into prison during that century for stealing salt! About 450 years ago, in the year 1553, if a man took more than his share of salt, he would be thought to have broken the law and would be seriously punished. The offender's ear was cut off.

Salt was an important item on the dinner table of a king. It was always put in front of the king when he sat down to eat. Important guests at the king's table were seated near the salt. Less important guests were given seats farther away from it.

Thousands of years ago in Egypt salt was used ______.

A．to punish people who had broken the law

B．to keep dead bodies from decay

C．to keep fish alive

D．to make chemicals

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第9题

We have no idea about when men first began to use salt, but we do know that it has been us

ed in many different ways throughout the history.

For example, it is recorded in many history books the people who lived over three thousand years ago ate salted fish. Thousands of years ago in Egypt, salt was used to preserve the dead.

In some periods of history, a person who stole salt was thought to have broken the law. Take the eighteenth century for an example, if a person was caught stealing salt, he would be thrown into prison. History also records that only in England about ten thousand people were put into prison during that century for stealing salt! About one hundred and fifty years ago, in the year 1553, if a man took more than his share of salt, he would be thought to have broken the law and would be seriously punished. The offender' s ear was cut off.

Salt was an important item on the dinner table of a king. It was always placed in front of the king when he sat down to eat. Important guests at the king' s table were seated near the salt. Less important guests were given seats farther away from it.

Thousands of years ago in Egypt, salt was used ______.

A．to punish people who had broken the law

B．to keep dead bodies from decay

C．to keep fish alive

D．to make chemicals

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第10题

For the past two years, I have been working on students' evaluation of classroom teaching.

I have kept a record of informal conversations【56】some 300 students from at【57】twenty-one colleges and universities. The students were generally【58】and direct in their comments【59】how course work could be better【60】Most of their remarks were kindly【61】—with tolerance rather than bitterness—and frequently were softened by the【62】that the students were speaking【63】some, not all instructors. Nevertheless,【64】the following suggestions and comments indicate, students feel【65】with things as they are in the classroom.

Professors should be【66】from reading lecture notes. " It makes their【67】monotonous

If they are going to read, why not【68】out copies of the lecture？ Then we【69】need to go to class. Professors should【70】repeating lectures material that is in the textbook.【71】we've read the material, we want to【72】it or hear it elaborated on,【73】repeated. "A lot of students hate to buy a【74】text that the professor has written【75】to have his lectures repeat it.

(56)

A．involving

B．counting

C．covering

D．figuring

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第11题

Once upon a time （not so very long ago, either!) industrial goods were made to last foreve

Once upon a time (not so very long ago, either!) industrial goods were made to last forever. If you bought a ear or a stove, it was a once-in-a-lifetime investment(投资). You paid good money for it, and you took care of it. Nowadays industry has persuaded us that products shouldn't last a long time. It's cheaper to throw them away than it is to repair them. This has led directly to the "throw-away society" which is a tremendous waste of the earth's resources.

Just think of the cars that are traded in daily, just because they are out of style. Think of the expensive packaging material that is thrown away every time a new object is bought. And we consumers have to pay for that material! Our industrial society has turned us into spoiled children. This wastefulness has got ten us into the mess (困境) we are in now. When we have no resources left, then we'll start to take care of what we have. But why can't we act before this happens？ Why can't we go back to being a society in which the prevention of waste is a virtue？

Products used to be made to last ______.

A．for at least five years

B．for ten years

C．for as long as you take good care of them

D．for your whole life

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