题目内容

Dr. Glenn Tisman, a cancer specialist, knew his young neighbor, Ray Bateman, had an unusual mind. But he had no idea at the time that 12 - year – old Ray had the ability to become his partner in cancer research.
Ray’s parents remembered that at age four, Ray surprised them by fixing a broken vacuum cleaner（吸尘器）. When he was ten, he speedily constructed the family color television from a kit. Later, he succeeded in assembling（组装） a complex stereo system after two experts had failed to do the job.
When Ray was ten, he convinced his parents to buy him a computer. In a short time, Ray was able to do amazing things with the computer. Ray shared his enthusiasm for computers with Dr. Tisman, who used a computer for his research. The two discussed computers and medicine frequently. Amazingly, Ray understood the biology and chemistry related to Dr. Tisman’s medical research without any previous instruction.
Ray then worked with Dr. Tisman after school. He helped conduct research with the equipment and kept it in working order. The purpose of the research was to test the effectiveness of mixing an old cancer drug with certain vitamins. Ray analyzed patient test results by computer, while Dr. Tisman handled all patient contact. Together, they came up with solid research that helped advance cancer treatment.
In 1988, 14 - year - old Ray went with Dr. Tisman to a meeting of the American Federation for Clinical Research（AFCR）, where Ray presented their initial research findings. Using terminology（术语） beyond the grasp of most kids his age, Ray told the scientists how the new drug mixture caused fewer and milder side effects for cancer patients.
A year later, Ray returned to the meeting to update the findings of his and Dr. Tisman’s research. By then, he had become well - known for his devotion to finding cures for sick patients. Stories about him appeared in hundred of newspapers around the world. He appeared on television newscasts and talk shows.
Ray continued to spend most free hours working with Dr. Tisman. The two began studying the effects of vitamins on babies inside the womb（子宫）. However, Ray’s main interest remained cancer treatment, and he continues his research today.
小题1:According to the passage, Ray______.
A．is a boy of many gifts
B．is very helpful to his parents
C．learned fast under Dr. Tisman’s instruction
D．stopped working with Dr. Tisman after his success
小题2:What do we know about Dr. Tisman?
A．He succeeded in finding cures for cancer.
B．He made a new discovery in cancer treatment.
C．He convinced Ray to become a partner of him.
D．He taught Ray knowledge related to his research.
小题3:What made Ray first known to the medical world?
A．His presentation at AFCR. B．His great skills in computer.
C．His devotion to cancer research. D．His appearance on television newscasts.
小题4:Dr. Tisman’s research is aimed at ______.
A．providing different cancer treatments
B．proving the effects of vitamins on babies
C．finding the side effects of a cancer drug
D．testing the effectiveness of a new drug mixture

小题1:A
小题1:B
小题1:A
小题1:D
略
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阅读下列短文，从每题所给的四个选项中(A、B、C和 D)中，选出最佳选项，并在答题卡上将该项涂黑。
A
Most of us feel upset if we miss just one meal, and if we try to go without food for 12 hours we would really be uncomfortable. But there are some people who seem able to “fast” for very long periods.
Various records are claimed for long fast, but in most cases there is no medical proof and so the records are doubtful. One South African woman claimed that she lived for 102 days on nothinig but water and soda water.
There are great differences among living things in the ability to survive without food. For example , a tick（扁虱）, which lives on animals, may survive a whole year. Warm-blooded animals use up their stores of food in the body more quickly.
In fact, the smaller and more active the animal, the more quickly it uses up its reserves. A small bird starves to death in about five days, a dog in about twenty. In general, we can say that a warm-blooded creature will die when it has lost about half its normal weight.
This matter of weight is important. Man and other creatures live in a state of metabolic equiplibrium（新陈代谢的平衡）which means maintaining the body weight once a certain point has been reached. This regulation of body weight is done by thirst, hunger, and appetite.
When your blood lacks nutritional materials, this registers（记录）in the hunger center of the brain and you feel “hungry”. The body is crying out for any kind of fuel(food). And it is our appetite that sees to it hat we chooose a mixed diet, which is the kind the body needs.
小题1:According to this passage, a man will die _________.
A．when a certain point in losing weight has been reached.
B．when his blood lacks nutritional material
C．when his normal weight is lost
D．when he goes without food for more than 12 hours
小题2:The word “fast” in Paragraph 1 can best be replaced by ________.
A．eat no foodB．live merely on water and soda water
C．live on nothingD．remains alive for a long time without food
小题3:A tick can survive much longer than a bird because ________.
A．a tick lives on animalsB．a tick is much smaller
C．a bird is more activeD．both B and C
小题4:A person feels hungry _________.
A．if he doesn’t choose a mixed diet
B．because his body cries out for food
C．when soemthing is wrong with regulation of body weight
D．if there are not enough nutritional in his blood
小题5:From the passage we can infer that the author ________.
A．believes the South African woman very firmly
B．does not believe the South African woman at all
C．is not certain whether the South African woman’s claim was true.
D．is doubtful whether there was such a South African woman
根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。
__小题1:__ Scientists and experts have proved the uniqueness of finger-prints and discovered that no exactly similar pattern is passed on from parents to children, though nobody knows why this is the case.
The ridge(隆起) structure on a person’s fingers does not change with growth and is not affected by surface injuries. Burns, cuts and other damage to the outer part of the skin will be replaced in time by new one, which bears a reproduction of the original pattern. __小题2:_ Some criminals make use of this fact to remove their own finger-prints but this is a dangerous and rare step to take.
Finger-prints can be made very easily with printer’s ink. They can be recorded easily. __小题3:_ Because of the simplicity and economy of this system, finger-prints have often been used as a method of solving criminal case. A suspected man may deny a charge but this may be in vain. __小题4:_ When a suspect leaves finger-prints behind at the scene of a crime, they are difficult to detect(察觉) with the naked eye. __小题5:__ Some of the marks found are incomplete but identification is possible if a print of a quarter of an inch square can be obtained.
A．Special techniques are used to “develop” them.
B．A fingerprint is an impression of the friction ridges of all part of the finger.
C．It is only when the inner skin is injured that the arrangement will be destroyed.
D．With special methods, identification can be achieved successfully within a short time.
E. A latent(潜在的) print is the chance reproduction of the friction ridges deposited on the surface of an item.
F. His finger-prints can prove who he is even if his appearance has been changed by age or accident.
G. Every human being has a unique arrangement of the skin on his fingers and this arrangement is unchangeable.
根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。
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. ___小题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 sickness. ___小题2:___ So they are called “disease of civilization”. Many cancers and diseases of the blood system are examples of such diseases.
Scientists noticed that people in both the Old Stone Age and the New Stone Age enjoyed very little alcohol or tobacco, probably none. __小题3:___ However, a change in food is one of the main differences between life in ancient times and that of day.
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 product, and they made very little use of grains.
___小题4:___ We eat six times more salt than our ancestors(祖先). We eat more sugar. We eat twice as much fat but only one third as much protein and much less vitamin C.
___小题5:___ But scientists say that we would be much healthier if we eat much the same way as our ancestors did, cutting the amount of fatty, salty and sweet food.
A．These new sicknesses were not known in ancient times.
B．People today probably don’t want to live the way people thousands of years ago did.
C．Ancient people also lived in large groups.
D．But today, we eat a lot of these.
E. Ancient people also got a great deal of physical exercise.
F. In that case, they would live much healthier.
G. People today probably live the same life as people thousands of years ago did.
A healthy amount of sunshine may be the secret to staying young. British scientists have discovered.
Vitamin D is produced naturally by the skin in response to(对…的反应) sunlight and may help to slow the ageing process and protect against heart disease, according to the study.
Researchers from King’s College London studied 2,160 women aged between 18 and 79, looking at their telomeres--- a biological marker of ageing found in DNA. As people get older, their telomeres get shorter and they become more susceptible(易受伤害的) to certain illnesses.
But the study found women with high levels of vitamin D had comparatively longer telomeres--- a sign of being biologically younger and healthier.
The study suggests vitamin D may help to slow down the ageing process of DNA, and therefore the ageing process as a whole.
Lead researcher Dr Brent Richards said, “These results are exciting because they show for the first time that people who have higher levels of vitamin D may age more slowly than people with lower levels of vitamin D.” This could help to explain how vitamin D has a protective effect on many ageing related diseases, such as heart disease and cancer.”
Professor Tim Spector, a co-author of the report, added, “Although it might sound absurd
(荒唐的), it’s possible that the same sunshine which may increase our risk of skin cancer may also have a healthy effect on the general ageing process.”
Vitamin D made by the action of sunlight on the skin accounts for 90 percent of the body’s supply, but lower levels can also be got through food such as fish, eggs and breakfast cereals(粥).
Other studies have suggested the vitamin plays a key role in protecting against cancer and heart disease.
小题1: A certain amount of sunshine helps people stay young because _____.
A．people feel happy and energetic in the sun
B．sunshine protects people against heart disease
C．vitamin D makes one’s skin look young and healthy
D．vitamin D may help to slow the ageing process
小题2:From Brent Richards, we know that _____.
A．sunlight causes skin cancer to people with high level of vitamin D
B．the study generally has a healthy effect on the general ageing process
C．vitamin D can only be got from fish, eggs and breakfast cereals
D．the higher levels of vitamin D people have, the more slowly people may age
小题3:What can we infer from the passage?
A. Telomeres are important signs of ageing of the DNA.
B. Sunlight can be dangerous as it causes skin cancer.
C. Sunlight does a great deal of good to our health.
D. Vitamin D can also be gained from food.
小题4: What is the best title of the passage?
A．Secret of Staying Young
B．Vitamin D Helps Slow Ageing
C．Sunlight and Vitamin D
D．Sunlight and Health
In the rush to get to school, you drop a piece of toast on the floor. Do you throw it away or decide it’s still OK to eat? If you’re like most people, you eat it. Maybe you follow the “5-second rule”, which claims foods are safe to eat if you pick them up within 5 seconds after dropping them.      
But you might want to think again. Scientists now say that 5 seconds is all it takes for foods to become polluted with enough bacteria（细菌）to make you sick.
Bacteria can cause many kinds of illnesses. Some kinds of bacteria can grow on food. If you eat foods on which these bacteria are growing, you can become sick.
One of these food-borne bacteria is Salmonella. It makes 1.4 million people sick every year. Salmonella is often found in raw eggs and chicken. Cooking kills these bacteria, which is why it is so important to cook eggs, chicken, and other foods thoroughly.
But how long does it take these bacteria to pollute food? A team of scientists in South Carolina did an experiment. First, they placed an amount of Salmonella on three surfaces; wood, tile (瓦片), and carpet. They placed a piece of bread and a piece of bologna（一种大红肠）on each surface for 5, 30, or 60 seconds. After just 5 seconds, both the bread and the bologna picked up enough bacteria to make you sick.
So, forget the 5-second rule. If your toast drops on the floor, throw it away and get another piece of clean toast. And this time, be careful not to drop it!
小题1:In which part of a newspaper can you most probably find this passage?
A．CultureB．HealthC．AdvertisementD．Technology
小题2:After dropping a piece of toast, a person who follows the “5-second rule” will         .
A．throw away dirty toast immediately and go away
B．pick up the toast as quickly as possible and eat it
C．eat the toast within 5 seconds and feel pleased
D．get another piece of clean toast quickly and eat it
小题3:The scientists in South Carolina did the experiment to __________ .
A．see how quickly bacteria can pollute food
B．show that the 5-second rule is correct
C．see how harmful bacteria are to people’s health
D．show that bacteria grow at different speeds on different foods
There are many commonly held beliefs about eyeglasses and eyesight that are not proved facts. For example, some people believe that wearing glasses too soon weaken the eyes. But there is nothing to show that the structure (结构) of eyes is changed by wearing galsses at a young age. Wearing the wrong galsses, however, can prove harmful. Studies show that only children can develop loss of sihgt if they have the wrong glasses. We have all heard some of the common myths(荒诞的说法)about how eyesight get bad. Too little light makes the eyes work harder, so they do get tired and strained (过劳). Eyestrain also resulsts from reading a lot, reading in bed, and watching too much television. But, although eyestrain may cause some pain or headaches, it does not harm eyesight all the time. Another myth about eyes is that they can be replaced from one person to another . It is quite difficult to connect aneyeball to a new brain.And it is impossible to replace a whole eyeball to a new person. Only certain parts of the eye can be replaced now. But if we keep clearing up the myths and learning more about the eyes, some day it may be possible to replace a full eyeball.
小题1:
One cause of eyestrain mentioned in the passage is ____.        .
A．wearing eyeglasses too long B．going to the cinemas
C．reading a lotD．not visiting your eye doctor
小题2:
.From this passage one can conclude that    ____.   .
A．doctors are still learning things about eyesightB．headcaches are usually caused by eyestain
C．people should wear glasses as soon as possibleD．people only believe things that are proved facts
小题3:
"Commonly held beliefs" are ____.       .
A．ideas that only low class people believeB．ideas that moet people believe
C．beliefs that have something in commonD．foolish beliefs
小题4:
This passage mainly tells us that ____.
A．people have many wrong beliefs about eyes and sight.
B．there are many things about the body that are not completely understood
C．there are several cuases of eyestrain
D．eyes are very important to people
The vitamins necessary for a healthy body are normally supplied by a good mixed diet, including a variety of fruits and green vegetables. It is only when people try to live on a very restricted diet, say that when trying to lose weight, that it is necessary to make special provisions to supply the missing vitamins.
　　An example of the dangers of a restricted diet may be seen in the disease known as “beri-beri”, which used to make large numbers of Eastern people who lived mainly on rice suffer. In the early years of last century, a Dutch scientist named Eijkman was trying to discover the cause of beri-beri. At first he thought it was transmitted（传播）by a germ（病菌）. He was working in a Japanese hospital, where the patients were fed on polished rice which had had the outer coverings removed from the grain. It was thought this would be easier for weak and sick people to digest.
　　Eijkman thought his germ theory was proved when he noticed the chickens in the hospital yard, which were fed on remains from the patients’ plates, were also showing signs of the disease. He then tried to separate the germ, which he thought was causing the disease, but his experiments were interrupted by a hospital official, who ordered that the rice without coverings, even though left over by the patients, was too good for chickens. It should be recooked for the patients, and the chickens should be fed on cheap, rough rice with the outer coverings still on the grain.
　　Eijkman noticed that the chickens began to recover on the new diet. He began to consider the possibility that eating unmilled rice（糙米）somehow prevented or cured beri-beri — even that a lack of some ingredient（成分）in the coverings may be the cause of the disease. Indeed this was the case. The element needed to prevent beri-beri was shortly afterwards separated from rice coverings and is now known as vitamin B. The milled rice, though more expensive, was in fact causing the disease the hospital was trying to cure. Nowadays, this terrible disease is much less common thanks to our knowledge of vitamins.
小题1:According to the passage, a good mixed diet ________.
A．is suitable for losing weightB．should be only fruits and vegetables
C．normally contains enough vitaminsD．is often difficult to arrange
小题2:What do we know about the disease beri-beri?
A．It killed large numbers of people.B．It resulted from lack of vitamins.
C．It was transmitted by milled rice.D．It was caused by diseased chickens.
小题3:What can be the best title of the passage?
A．A Good Mixed Diet　　　　　　 B．New Discovery
C．The Dangers of Beri-beri　　　　 D．The Importance of Vitamins
The gray-haired lady can’t wait to leave the building to search for her dad. Unless watched, she will walk in the streets in an effort to find her father, who died 30 years ago.
Not all cases of Alzheimer’s disease look like this, but Alzheimer’s is a serious disease that is said to be the fourth or fifth leading cause of death for people over age 75. It is said that about three percent of the U.S. population over age 65 have Alzheimer’s. In the early stages, people may exhibit short-term memory loss. Some may experience changes in personality, easy to be angry. As the disease progresses, patients might lose the ability to move and may be unable to speak or move at all. This progressive disease generally lasts 8 to 10 years before death occurs.
While no one is certain what causes these changes in the brain’s nerve fibers （神经纤维）, their effect is certain. Alzheimer’s destroys not only the patients, but also spouses（配偶）, friends and families.
What should you do if you notice progressive memory loss in yourself or a loved one? Have the person examined by a doctor who is a specialist in the treatment of Alzheimer’s disease. Though many reasons other than Alzheimer’s disease may cause memory loss, its early diagnosis（诊断）and treatment may delay some of the most serious effects.
What feeling will you likely experience if a loved one suffers from Alzheimer’s disease? A person will often go through the various stages of sadness, shock, anger, and so on. If the spouse develops the disease, you may experience hurt and disappointment when he or she doesn’t remember you are married.
Life for the Alzheimer’s patients and their loved ones will never be the same as the disease progresses, bringing a deep sorrow, loss and even anger towards God. No matter what feelings are present, facing them honestly will serve one better than burying them.
小题1:What can be inferred from the passage about the gray-haired day?
A．She has been living with her father.
B．She was sad about the death of her father.
C．She can’t search for her father without being watched.
D．She suffers from Alzheimer’s disease.
小题2:When people suffer from Alzheimer’s disease, ________.
A．their families and friends will suffer from the same disease
B．their families and friends will experience mental sufferings
C．they will certainly die in 8 to 10 years
D．they will forget everybody but their spouses
小题3:Memory loss occurs ________.
A．from Alzheimer’s disease and nothing else
B．from sadness, shock, anger, and so on
C．for a number of reasons
D．with changes in personality
小题4:From the passage we know that        .
A．early treatment may stop Alzheimer’s disease occurring
B．it is still unknown what causes the changes in the brain’s nerve fibers
C．nerve fibers in the brain will cause Alzheimer’s disease
D．when one suffers from Alzheimer’s disease, he will be buried

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