C
People turn to magic(魔力)chiefly as a form of insurance--that is, they use it along with actions that actually bring results．For example, hunters may use a hunting charm(咒语)．But they also use their hunting skills and knowledge of animals．The charm may give hunters the extra confidence they need to hunt even more successfully than they would without it．If they shoot a lot of game(猎物), they credit the charm for their success．Many events happen naturally without magic．Crops grow without it, and sick people get well without it．But if people use magic to bring a good harvest or to cure a patient, they may believe the magic was responsible．
People also tend to forget magic's failures and to be impressed by its surface successes．They may consider magic successful if it appears to work only 10 per cent of the time．Even when magic fails, people often explain the failure without doubting the power of the magic．They may say that the magician made a mistake in reciting the spell or that another magician cast a more powerful spell against the magician．
Many anthropologists(人类学家) believe that people have faith in magic because they feel a need to believe in it．People may turn to magic to reduce their fear and uncertainty if they feel they have no control over the outcome of a situation．For example, farmers use knowledge and skill when they plant their fields．But they know that weather, insects, or diseases might ruin the crops．So farmers in some societies may also plant a charm or perform a magic rite to ensure a good harvest．
66．From the passage, we can learn that the writer of the passage may be _______．
A．a hunter       B．a farmer       C．a magician    D．an anthropologist
67．Which of the following can best serve as the title of the passage?
A．Magic And Hunting．       B．Magic And Farming．
C．Why Magic Works?         D．Why People Believe in Magic?
68．The underlined word “spell”(Paragraph 2) most likely means______．
A．magic words．               B．magic events． 
C．words or expressions          D．magicians．
69．People believe in magic because________．
A．magic powers are greater than natural powers
B．magic can turn dreams into reality
C．they are not sure of themselves
D．magic can bring good results
70．Which of the following statements is NOT ture according to the passage?
A．Even though magic fails ,believers in magic will explain the reason．
B．Believers in magic usually overstate the power of magic．
C．People use magic to reduce their uncertainty and give them extra confidence
D．Magic can solve problems people can’t deal with in a natural way．

DNA is one of the most important discoveries in science. DNA is the plan for the human being, as a blueprint is the plan for a building. DNA makes a person look the way he does. A person’s DNA comes from a mixing of his parents’ DNA. That’s why a child looks like his parents. But, besides controlling things such as height and hair color, DNA can also give people diseases. Scientists are now studying DNA to cure diseases.

    In the seventies, scientists developed a process called recombinant or RDNA. Although it sounds difficult to understand, RDNA simply means taking DNA from one animal or plant and putting it into another. By doing so, scientists can create new beings. In doing so, scientists can better understand DNA, especially what parts of DNA do what. After they understand DNA, scientists can begin to cure diseases. Often, the new being created will itself be the cure.    Besides curing diseases, RDNA research can also do other things. For example, scientists in Japan have already created “super-trees”. Trees help humans, because they take CO₂, which poisons humans, from the air and turns it into oxygen, which lets humans breathe. “Super-trees” do this too, but do it much faster. As things such as cars and factories have already put much CO₂ in the area, “super-trees” are badly needed.

    Unfortunately, there is a serious danger in RDNA research. Scientists want to create animals to cure old diseases, but these new animals may also create new diseases. It will be a serious problem if the animals escape from the science laboratory and into nature. As these animals are not natural, they may let loose many new powerful diseases.

     As a result, RDNA research will create many solutions, but it will also create many problems.

1. From the passage, we can know that a boy looks like his parents because______.

A. he is son of his parents.       

B. his parents’ DNA decides his appearance.

C. he has received DNA from his father or his mother.

D. scientists have put some of his parents’ DNA into him.

2.What does the underlined expression “let loose” probably mean?

A. let … go free                B. get rid of      

C. absorb                     D. survive

3. What is the best title for the passage?

A. The DNA Research in Japan       

B. A New Way of DNA Research in Japan.

C. The Causes and Effects of DNA Research

D. The Advantages And Disadvantages of RDNA

4. The following statements are true about RDNA research EXCEPT ______.

A. the research has been stopped because the created animals carry viruses

B. “super-trees” might be widely planted around the world

C. scientists have not completely understood DNA

D. RDNA research will benefit human beings a lot

5.You might find this passage in / on a ________.

 A. fashion magazine   B. novel    C. scientific newspaper  D. sports newspaper

For as early as I could remember, my mother had been a bright, cheerful woman deeply interested and involved in the world around her. However, in the last fifteen years of her life, she had to live with senile dementia (老年痴呆). I would go to my home to pay her a visit in California and she would curiously look at me and then ask, “Who are you?” I would answer, “I’m your own son, of course.” “Where do you live?” She would ask. “In Virginia”, I would tell her. “Isn’t that interesting,” she would say, “I have a son in Virginia.”

Mother seemed only forgetful as well as confused at the beginning of that disease, but sometime later she would go through different time of intense anxiety. She would keep walk ing through the house she used to live in most of her life crying uneasily that she would like to go home. Or sometimes she left home and wandered away if she were unattended for a short time.

Hoping to make her happy and put her mind at ease I would take her in my car, visiting sites where she used to live when she was a child. In the yard of the hillside house in Shipman I sat in the car and admired the view of the old oaks and long green lawn(草坪). I pictured my mother there was a little girl playing with the pet lamb she had been so fond of. I looked to her for some response. She shook her head and said, “I want to go home.”

Over the years I have decided that what my mother was calling home was not a place, but a time. I think it was a time when she was much younger, when her children were still underfoot, when her husband was still energetic and attentive.

Watching my mother’s suffering set me wondering where I would have in mind if someday I couldn’t find home and wanted to go there. In this family we tend to be long-lived and we grow fuzzy (糊涂的) minded as the years go by. At eighty I have already noticed some alarming symptoms. My doctor says the forgetfulness is only natural and that it comes with age. Still the fear of senile dementia is haunting there. Someday if and when I become even more cloudy minded than I am now, unable to drive and unable to tell you where "home" is, my dear son, I expect I will ask you to take me home, I know you will do your best to find the place I need to be. I leave these notes for your guidance.

1.What’s the main idea of the first and second paragraphs?

A. The mother of the author could not find her home.  

B. The mother of the author could not remember who’s his son.

C. The author’s mother suffered with serious senile dementia.

D. The author didn’t know how to cure his mother.

2.Which of the following is NOT the symptom of the mother of the author?      

A. forgetful                         B. confused      C. cheerful       D. uneasy

3.What’s the meaning of the underlined word “picture”?

A. photograph                  B. describe                 C. appear                   D. paint

4.What can you infer from the third paragraph?

A. The author cared much about his mother.    

B. The mother of the author liked pet lambs very much.

C. The author found a very little girl who was playing with a pet lamb.

D. The mother of the author did not like her usual home.

5.What’s the best title of the passage?

A. Where Is Home?                                              B. A story about a son and a mother.

C. Everyone will suffer with senile dementia.              D. Take Mother Home.

Norman Cousins was a businessman from the United States who often traveled around the world on business. He enjoyed his work and traveling.

Then, after returning to the United States from a busy and tiring trip to the Union of Soviet So­cialist Republics( USSR)，Mr. Cousins got sick. Because he had pushed his body to the limit of its strength on the trip, a chemical change began to take place inside him. The material between his bones became weak.

In less than one week after his return, he could not stand. Every move that he made was pain­ful. He was not able to sleep at night.

The doctore told him that they did not know how to cure Mr. Cousins ’ problem and he might never get over the illness. Mr. Cousins, however, refused to give up hope.

Mr. Cousins thought that unhappy thoughts were causing bad chemical changes in his body. He did not want to take medicine to cure himself. Instead，he felt that happy thoughts or laughter might cure his illness.       .'

He began to experiment on himself while still in hospital by watching funny shows on television. Mr. Cousins quickly found that 10 minutes of real laughter during the day gave him two hours of pain -free sleep at night.

Deciding that the doctors could not help him, Mr. Cousins left the hospital and checked into a hotel room where he could continue his experiments with laughter. For eight days，Mr. Cousins rested in the hotel room watching funny shows on television，reading funny books，and sleeping whenever he felt tired. Within three weeks，he felt well enough to take a vacation to Puerto . Rico where he began running on the beach for exercise.

After a few months，Mr. Cousins returned to work. He has laughed himself back to health.

1.Why did Norman Cousins get sick?

2.What part of his body was affected by the illness?

3.What did Mr. Cousins think caused his illness?

4.Where did Mr. Cousins go in order to cure himself?

5.How long did it take before Mr. Cousins went back, to work?

June 26, 2000—the Human Genome(基因组) Project, a great $3 billion, 15-year task aimed at drawing the genetic(遗传的)map of humans, is now more than 90 percent completed. The scientific and medical communities are very excited about the chances genetic research provides for getting rid of diseases and prolonging(延长) human life. But those communities and policy makers are also careful about the scientific door they are opening as the project uncovers the mysteries of life.

       For the last few years, the genetic advances in the developing field of biotechnology have provides material for all kinds of work, but the developments of modern science in unlocking the secrets of the human genetic code have opened a world of possibilities for human health, as well as for the popular imagination.

       While European and Japanese researchers are making rapid progress in decoding(解码) human DNA, the leading organization for genetic research is in the United States, which began in 1990, is “unlocking the code” of the human body to learn how to defeat fatal diseases. Already, the Human Genome Project has become widely known and praised for finding the genes connected with as yet（迄今） terrible diseases, and making progress toward separating the genes that show a sign of breast cancer or AIDS.

       Once these genes are found and studied, researchers can develop new ways to attack infections, and genetic diseases. Medical companies are very interested in mapping the human genome, as they expect to develop a lot of new drugs for these illnesses.

Why did the scientists work hard at mapping the Human Genome?

A. Because the Human Genome can destroy many illnesses.

       B. Because the Human Genome's completion can help them get rid of many diseases.

       C. Because they wanted to be better known than others.

       D. Because the Human Genome can provide a lot of chances of work.

Which country studied the genes most rapidly in the world?

       A. Japan. B. Germany.       C. The United States.      D. China.

Which of the following is NOT true?

       A. If the genes can be found, scientists can study many new ways to cure illnesses.

       B. The scientists have made great progress in connecting the genes with the cancers.

       C. Many medical companies show great interest in drawing the human genome map.

       D. The United States began the Genes Study early in the 19th century.

The main idea of this article is about_________.

       A. unlocking genetic code         B. the genes' discovery

       C. the great human genome            D. the genes and the scientist