While we are still children ,most of us live at home with our parents, more or less peacefully . But as we become teenagers , things change ,and we begin to grow apart from our parents . This means we are almost ready to leave the house where we grew up and make a new home of our own .

All humans must do this ,but they don’t all do it in the same way . If ,for instance ,you belong to a primitive tribe (原始部落) ,then as you grew up ,you’d learn the skills you needed as an adult---how to catch fish ,how to keep the house and look after children . You would be ready to marry in your early teens and you would build a house and live near your family in the village.

This seems a very old way of life , but it is what humans have been used to through hundreds of years. And it is what we are still used to in the 21stcentury ,for man hasn’t changed in the short time since he became civilized(文明的). But could you leave home and look after yourself during the teen years ? Most people would not do very well . Why ? Because although man hasn’t changed very much , the society he lives in has changed greatly ,which means that we have to learn more and more before we are ready to leave our parents’ shelter( 居所 ) and live alone .

However ,sometimes it is very frustrating to live at parents’ home . Parents can be very upset about late nights ,criticizing friends and always saying that we are noisy and dirty . But we still need our emotional (情感的) shelter till we finish our studies , and that is why we usually stay in our parents’ home until we feel grown up enough to deal with living alone .

1.When does the relationship with parents start changing ?

A. When we are children .

B. When we become teenagers .

C. When we are alone .

D. When we get married .

2.For most teenagers of the 21stcentury ,making a new home of their own may be ________.

A. difficult B. unimportant

C. impossible D. quite easy

3.Why must we know more to be able to live alone ?

A. Because we are becoming less talented .

B. Because our society has changed a lot .

C. Because not enough is taught in our schools.

D. Because man has never really been civilized.

4.From the passage ,we know living at parents’ home when we become teenagers _______ .

A. is always pleasant

B. must be very exciting

C. makes us feel lonely

D. may be annoying

People call the Winter Olympics the White Olympics. At this time, they publish(发行) many stamps to mark(标志) the great games. The first stamps came out on January 25th, 1932 in the United States for the 3rd White Olympics. From then on(从那时起), publishing stamps during the White Olympics became a rule.

During the 4th Winter Olympics, people published a group of stamps in November 1936. They drew five rings of Olympics. It was the first time that the rings appeared(出现) on the stamps of the White Olympics.

In the 1950s,the stamps of this kind became more colorful. When the White Olympics came, the host countries as well as non-host countries published stamps to mark those games. China also published four stamps in February 1980 when the Chinese sportsmen began to take part in the White Olympics.

In Asia, Japan was the only country to hold the White Olympics. They sold 14,500 million stamps during the Olympics.

People drew different kinds of sports on these small stamps, and they enjoyed the wonderful sports and some excellent players.

1.The White Olympics and the Winter Olympics ____.

A. are the same thing  B. are different games

C. are not held in winter D. are held in summer

2. The world made it a rule to publish stamps to mark the great world games ____.

A. after the year 1936

B. after the 3rd White Olympics

C. before the 3rd White Olympics

D. before the year 1932

3.The Winter Olympics is held(被举行) once ____.

A. every two years     B. every three years

C. every four years     D. every five years

4. Which of the following is TRUE?

A. Only the host countries can publish stamps to mark those games.

B. Only the non-host countries can publish stamps to mark those games.

C. All the countries can publish stamps to mark those games.

D. Japan can’t publish stamps to mark those games.

5. What may appear(出现)on the stamps of the White Olympics?

A. Basketball.  B. Table tennis.

C. Football.  D. Skating?

Who would win in a competition to memorize numbers, a chimp (黑猩猩) or a teenager? The teenager? Think again. Scientists have proved that chimps perform better than human beings when it comes to this kind of problem. We may have to rethink what we believe about human memory.

Memory is our ability to learn something, save it and recall it when needed. Our memories are important to our sense of self, our personalities, and our ability to understand the world.

Scientists say that there are different types of memory. There is short-term memory and long-term memory. Your short-term memory saves information for a few seconds or a few minutes. For example, the time it takes to compare the prices of a few items in a store. Long-term memory involves the information you try hard to keep, because it’s meaningful to you (an example is data 数据 about family and friends. ) And then there is visual memory and sound memory. But these are not hard and fast: scientists argue a lot about the nature of memory.

Scientists have also found that people memorize things in different ways. Some memorize better with the help of pictures. Others are helped more by sounds. One thing’s for sure. If you can combine different kinds of memory together, you will remember a lot! So why not try pictures with English words? At the same time listen to recordings of the same group of words. It may help when it comes to memorizing it.

Imagination and association can be useful too. By imagination scientists mean picturing a word in your mind. Association means relating the word to something you already know.

1.What can we learn from Paragraph 1?

A. Human beings are less clever than chimps.

B. Human memory is not as good as before.

C. Chimps can memorize numbers better than teenagers.

D. Chimps perform better than human beings in many aspects.

2.How many kinds of memory are mentioned in the article?

A. 2 B. 3 C. 4 D. 5

3.According to the article, which of the following is the best way to memorize words?

A. By watching TV.

B. By listening to music.

C. By writing them out many times.

D. By listening and watching pictures.

4.According to the article, which of the following is TRUE?

A. Memory is the most important ability for human beings.

B. Long-term memory usually involves more important things.

C. Scientists have made sure of the nature of memory.

D. Imagination is better than association in memorizing things.

5.Where do we probably read the passage?

A. A textbook B. A science magazine

C. An advertisement D. A news report

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