Doctors in Britain are warning of an obesity time bomb, when children who are already overweight grow up. So, what should we do? Exercise more? Eat less? Or both? The government feels it has to take responsibility for this expanding problem.
The cheerful Mr. Pickwick, the hero of the novel by Charles Dickens, is seen in illustrations as someone who is plump and happy. In 18th century paintings, beauty is equated （使…等同） with rounded bodies and soft curves. But nowadays being overweight is seen as indicating neither a cheerful character nor beauty but an increased risk of heart disease, stroke and diabetes.
So what do you do? Diet? Not according to England's chief medical officer, Sir Liam Donaldson. He says that physical activity is the key for reducing the risks of obesity, cancer and heart disease. And the Health Secretary John Reid even said that being inactive is as serious a risk factor in heart disease as smoking.
So, having bought some cross trainers, how much exercise should you do? According to Sir Liam Donaldson, at least 30 minutes of moderate activity five days a week. Is going to the gym the answer? Luckily for those who think that running machines are boring, the Health Development Agency believes that physical activity that fits into people's lives may be more effective. They suggest taking the stairs rather than the lift, walking up escalators, playing active games with your children, dancing or gardening. And according to a sports psychologist, Professor Biddle, gyms "are not making the nation fit", and may even cause harm.
There's new scientific evidence that too much exercise may actually be bad for you. Scientists at the University of Ulster have found that unsuitable exercise releases dangerous free radicals that can adversely （oppositely） affect normal function in unfit people. The only people who should push their bodies to that level of exercise on a regular basis are trained athletes.
So, should we forget about gyms and follow some expert's advice to reduce sedentary （久坐不动的） activities and increase exercise in our daily life? After all, getting off the bus a stop early and walking the rest of the way can't do any harm! One final thought. How come past generations lacked gym facilities but were leaner and fitter than people today?
【小题1】Mr.Pickwick and the paintings of the 18m century are used as examples to show that_____.
| A．beauty should be overweight |
| B．a fat man is usually a cheerful character |
| C．fatness was considered something good at one time |
| D．fatness leads to an increased risk of disease |
| A．go on a diet | B．do regular physical activity |
| C．give up smoking | D．go to the gym |
| A．people who help you do exercise | B．places where you can do exercise |
| C．a kind of shoes | D．a form of vehicles |
| A．an increased risk of diseases | B．a happier life |
| C．a cheerful character | D．a beauty |
| A．how to keep fit and avoid fatness. | B．increased risks for overweight people. |
| C．the dangers of exercise in the gym. | D．the benefit of a balanced diet. |
【小题1】C
【小题2】B
【小题3】C
【小题4】A
【小题5】A
解析试题分析：文章大意：肥胖问题越来越严重了，然而，过量的锻炼对人体也有害，那怎么锻炼才健康呢？
【小题1】C 细节理解题。根据文章第二段第一句The cheerful Mr. Pickwick, the hero of the novel by Charles Dickens, is seen in illustrations as someone who is plump and happy.可知胖曾被看做是幸福。故C正确。
【小题2】B细节理解题。根据文章第四段中According to Sir Liam Donaldson, at least 30 minutes of moderate activity five days a week.可知要有规律的体育活动。故B正确。
【小题3】C词义推测题。 根据本句后句how much exercise should you do?可以推测cross trainers为一种健身用的用品。故C正确。
【小题4】A细节理解题。根据文章第二段最后一句But nowadays being overweight is seen as indicating neither a cheerful character nor beauty but an increased risk of heart disease, stroke and diabetes.可知现在肥胖被认为是增加疾病的危险。故A正确。
【小题5】A 主旨大意题。本文主要讲述越来越严重的肥胖问题，以及怎么解决肥胖问题，故A正确。
考点：考查说明文阅读
科目：高中英语 来源： 题型：阅读理解
Climate change could affect food supplies, water resources, human health and homes.
If greenhouse gas emissions keep increasing at the current rate, global temperature is expected to rise between 2°C and 6°C by 2100. This doesn’t sound much, but a 5°C change is the difference between the current warm period and an ice age.
Global warming leads to other changes in the climate: melting ice, more evaporation(蒸发), changes in geographical patterns of rainfall, heavier downpours separated by longer dry spells, more frequent heat waves, more intense hurricanes, and sea level rise.
These changes could affect crop growth as drought, increased evaporation and shrinking glaciers（冰川）disrupt water supply. Some crops could suffer heat stress. While there may be benefits in some regions, overall climate change is likely to have a negative impact on global food supplies. The impacts of climate change on agriculture will vary widely around the world. A global temperature rise of 1–2 °C is expected to increase food production in some regions, particularly mid-latitude areas. But in tropical regions even a small amount of warming could reduce crop yields. A temperature rise of 3 °C or more could threaten global food resources, as all regions are likely to experience negative impacts overall.
Freshwater resources could also diminish, especially in tropical regions, as rain patterns change and evaporation speeds up. Some communities could lose essential melt water as glaciers disappear, while more intense rainfall and hurricanes could cause more flooding, leading to water pollution and bacterial diseases such as cholera（霍乱）becoming more widespread.
Climate change could lead to a variety of health impacts – both positive and negative. On the negative side, scientists anticipate more cases of malnutrition, heatstroke and waterborne diseases such as cholera. Although some populations will benefit from a reduced risk of cold-related illnesses such as hypothermia, overall a warming world is likely to have negative effects on human health.
Scientists also expect damage to homes and buildings from more intense hurricanes, heavier rainfall and rising sea levels. Climate change is likely to affect infrastructure by increasing the risk of both coastal and inland flooding around the world, owing to a combination of heavier rainfall, rising sea levels and increased storm damage. Homes and buildings could also be affected by the thawing of frozen ground and greater risk of forest fires.
The consequences of climate change will have an impact on people around the world.
【小题1】With global temperature increased by 1–2 °C, _______.
| A．crops yields could be increased in tropical regions |
| B．food production could rise throughout the world |
| C．chances are that food resources would be threatened overall |
| D．mid-latitude areas are likely to experience positive impacts |
| A．lower temperature than normal |
| B．higher temperature than normal |
| C．more cases of malnutrition |
| D．cases of waterborne diseases |
| A．food supplies and buildings |
| B．freshwater resources and homes |
| C．human health and food supplies |
| D．human health and homes |
| A．how global warming leads to changes in the climate |
| B．how climate change affects people worldwide |
| C．why climate change affects our crop growth |
| D．why climate change contributes to all bad results |
查看答案和解析>>
科目：高中英语 来源： 题型：阅读理解
Good health is the most valuable thing a person can have but one cannot take good health for granted .It is important to remember that the body needs proper care in order to be healthy. There are three things that a person can do to help stay in good shape, eat right food, get enough sleep, and exercise regularly.
Proper nutrition is important for good health. Your body cannot work well unless it receives the proper kind“fuel"．Don't eat too much food with lots of sugar and fat, Eat plenty of foods high in protein, like meat fish eggs and nuts. Vegetables and fruits are very important because they provide necessary vitamins and minerals. However don't overeat It is not helpful to be overweight
Getting the proper amount of sleep is also important. If you don't get enough sleep, you feel tired and easily get angry. You have no energy. Over a long period of time a little amount of sleep may even result In a change of personality（人的个性)．Be sure to allow yourself from seven to nine hours of sleep each ,If you do, your body will feel strong and refreshed ,and your mind will be sharp．
Finally, get plenty of exercise Exercise firms the body, strengthens the muscles, and prevents you from gaining weight It also improves your heart and lungs. If you follow a regular exercise program, you will probably increase your life-span（寿命)．An kind of exercise is good. Most sports excellent for keeping the body in good shapes: basketball, swimming, bicycling, running and so on. Sports are not only good for your body, but they are enjoyable and interesting, too.
If everybody were to eat the right foods, get plenty of sleep and exercise regularly, the world would be a happier and healthier place. We would all live to be much older and wiser.
【小题1】In order to keep good health______.
| A．we should eat a lot of sweets |
| B．one needs a large amount of fat |
| C．we must try to sleep now and then |
| D．people should eat according to the foods nutrition |
| A． can keep healthy | B． is no good for you |
| C． gets you more energy | D． will keep your personality |
| A． how to eat | B． what to eat |
| C． how to keep healthy | D． the importance of doing exercise |
| A． Eating and Exercising | B． How Vitamins Work in Man's Body |
| C． Staying Healthy | D． Sleeping Well |
查看答案和解析>>
科目：高中英语 来源： 题型：阅读理解
New research suggests that speaking more than one language may delay different kinds of dementia(痴呆), that is the loss of mental ability. In fact, researchers say, speaking two languages appears to be more important than the level of education in defending against dementias.
A study in India examined the effect of knowing more than one language in delaying the first signs of several dementias. Researchers studied nearly 650 people whose average age was 66. 240 of those studied suffered from Alzheimer's, the most common form of mental decline(下降). 391 of the subjects spoke two or more languages. Researchers found the dementias began about four-and-a-half years later in those who spoke two languages compared to those who spoke only one language. The level of education had no effect on the age at the first sign of dementia.
Thomas Bak, from the Center of Cognitive Aging at the University of Edinburgh in Scotland, who helped to organize the study, suggests that individuals who speak more than one language train their brains by moving back and forth between different words and expressions. He also believes this effort improves what scientists called executive(执行的) functioning, which often weakens in people with dementias. He states that researchers found there was no extra gain in speaking more than two languages.
Mr Bak says it does not appear important whether you learn another language at a young age or later in life. It's not something that “you missed the boat when you do not do it as a baby.” It is something that is still quite useful and powerful when you do it as an adult.
【小题1】The finding of the study is that________.
| A．learning more than one language can cure dementias |
| B．speaking two languages may delay kinds of dementias |
| C．the level of education matters in defending against dementias |
| D．people who suffer from dementias will lose mental ability |
| A．people who were studied in the study |
| B．notices that were put on about the study |
| C．questions that were asked in the study |
| D．methods that were used in the study |
| A．the more languages one speaks, the less chance of getting dementias |
| B．people’s executive functioning often strengthens with age |
| C．when you learn one more language makes no difference |
| D．it is much easier to learn one more language at a young age |
| A．a research plan | B．a health magazine |
| C．a book review | D．a business magazine |
查看答案和解析>>
科目：高中英语 来源： 题型：阅读理解
People who averaged fewer than seven hours of sleep per night in the weeks before being exposed to the cold virus were nearly three times as likely to get sick as those who averaged eight hours or more, a new study found.
Researchers used frequent telephone interviews to track the sleep habits of more than 150 men and women aged 21 to 55 over the last few weeks. Then they exposed the subjects to the virus, quarantined (检疫隔离) them for five days and kept track of who got sick.
Besides sleeping more, sleeping better also seemed to help the body fight illness: Patients who fared better on a measure known as “sleep efficiency”—the percentage of time in bed that you’re actually sleeping—were also less likely to get sick.
The results held true even after researchers adjusted for elements such as body-mass index, age, sex, smoking and pre-existing antibodies (抗体) to the virus.
The researchers aren’t exactly sure why sleeping better makes you less likely to develop a cold. But they do try to give an answer: “Sleep disturbance influences the regulation of symptom mediators (调节因子) that are released in response to infection.” In plain English, maybe tossing and turning when you’re infected with the cold virus contributes to the symptoms that define a cold.
The researchers were based at Carnegie Mellon, the University of Pittsburgh and the University of Virginia, and the study was funded by the National Institutes of Health.
【小题1】 According to the passage, what does the underlined word “subjects” mean in paragraph 2?
| A．areas of knowledge in a school |
| B．people being studied in an experiment |
| C．research topics |
| D．animals being tested |
| A．the researchers obtain information about the sleep habits by frequent interviews |
| B．the researchers do their research in the National Institutes of Health |
| C．people hope to avoid being infected with a cold by sleeping as much as possible |
| D．sleeping more and better helps regulate the symptom mediators |
| A．The Relationship Between Virus and Cold |
| B．How to Sleep Well |
| C．Good Sleep Helps Fight a Cold |
| D．The More the Sleep, the Better Your Body |
查看答案和解析>>
科目：高中英语 来源： 题型：阅读理解
Why are people interested in eating raw foods or whole foods? One reason is that eating these types of food reduces the risk of acid accumulation in your body.
Raw and whole foods are usually digested more efficiently than cooked and refined foods. When we cook foods, we destroy the natural enzymes (酶) that are part of the food in its raw form. These enzymes were intended by nature to help us digest the food. When we consume food without these natural enzymes, our bodies either digest the food improperly or allow too many nutrients to be absorbed into the bloodstream. In both instances, the result is obesity（肥胖）. When too many nutrients are absorbed at once, the body grows fat. Improperly digested food moves slowly through the digestive tract（消化道）, where it becomes increasingly acidic. To protect its vital organs from this acidic waste, the body changes the acid into fat and stores it safely away from the organs.
Processed foods contain chemical elements, which might confuse the appetite mechanism that tells us when we’ve had enough to eat; as a result, people often overeat. Processed foods also upset the digestive cycle. The body will either identify these foods as allergens（过敏原） and then store them safely away from the organs as fat, or the remains of undigested food will become acidic and enter the bloodstream as acid waste, which will stick to the blood vessel walls and block the passage of vital oxygen and nutrients heading for the body’s cells. The body’s metabolism (新陈代谢) becomes inactive, and the result is weight gain and obesity.
The accumulation of acid in the digestive tract makes digestion increasingly inefficient. When that happens, even healthy foods can become acidic and the food allergies will become more common.
To stop this vicious circle in its tracks, people need to consume food and supplements that will neutralize（中和）the acid already accumulated in body. Eating the right types of raw and whole foods can help. It’s also important to restore your enzyme balance. You need to identify and avoid the foods that cause acid accumulation and consume the foods that increase enzyme production. If you truly want to change and help your body heal itself, you need to take an active approach.
【小题1】 It can be inferred from Para. 2 that __________.
| A．foods with natural enzymes help people keep fit |
| B．we’d better be cautious about raw and whole foods |
| C．it is essential for people to protect their vital organs |
| D．giving up cooked and refined foods is a new lifestyle |
| A．destroy body’s cells | B．may lead to obesity |
| C．are difficult to digest | D．stop body’s metabolism |
| A．To warn people of the problem of obesity. |
| B．To advocate eating more raw and whole foods. |
| C．To inform people of the harm of processed foods. |
| D．To tell the differences between raw and processed foods. |
| A．Different causes of acid accumulation. |
| B．Correct ways to cook raw foods. |
| C．Suitable types of raw and whole foods. |
| D．Active approaches to avoid acid. |
查看答案和解析>>
科目：高中英语 来源： 题型：阅读理解
“Our aim is to take our art to the world and make people understand what it is to move,” said David Belle, the founder of parkour (跑酷).
Do you love running? It is a good exercise, yet many people find it boring. But what about making your morning jog a creative one? Like jumping from walls and over gaps, and ground rolls? Just like the James Bond in the movie Casino Royale? Bond jumps down from a roof to a windowsill and then runs several blocks over obstacles on the way. It is just because of Bond's wonderful performances that the sport has become popular worldwide.
Yes, that's parkour, an extreme street sport aimed at moving from one point to another as quickly as possible, getting over all the obstacles in the path using only the abilities of the human body. Parkour is considered an extreme sport. As its participants dash around a city, they may jump over fences, run up walls and even move from rooftop to rooftop.
Parkour can be just as exciting and charming as it sounds, but its participants see parkour much more than that.
Overcoming all the obstacles on the course and in life is part of the philosophy behind parkour. This is the same as life. You must determine your destination, go straight, jump over all the barriers as if in parkour and never fall back from them in your life, to reach the destination successfully. A parkour lover said, "I love parkour because its philosophy has become my life, my way to do everything."
Another philosophy we've learnt from parkour is freedom. It can be done by anyone, at any time, anywhere in the world. It is a kind of expression of trust in yourself that you earn energy and confidence.
【小题1】Parkour has become popular throughout the world because of________.
| A．its founder, David Belle | B．the film, Casino Royale |
| C．its risks and tricks | D．the varieties of participants |
| A．streets | B．objects | C．barriers | D．roofs |
| A．It challenges human abilities. | B．It is a good but boring sport. |
| C．It needs special training. | D．It is a team sport.. |
| A．reach the destination as soon as possible |
| B．choose the easiest way |
| C．challenge extremes |
| D．consider safety first |
查看答案和解析>>
科目：高中英语 来源： 题型：阅读理解
The World Health Organization (WHO) planned to study the relationship between the eating habits of the people and the disease. Two doctors were chosen to make the study. They flew to Africa south of the Sahara and during the next two months visited ten countries. They found that serious diseases of poor eating, often mistaken for other diseases, existed in all parts of Africa. The diseases were similar and could therefore all be named kwashiorkor. The diseased children are usually from one to four years old. As the illness progresses, the child’s stomach becomes swollen by liquid collecting in the body. The skin changes color and may break out in open sores（疼痛）. The hair changes color and starts to fall out. The patient loses all interest in his surroundings and even in food, and becomes so weak that he wants to lie down all the time. Stomach liquids are no longer produced.
The doctors reasoned that kwashiorkor was found in the young children of this age in many parts of Africa because of lack of milk or meat. Their mothers, after stopping their breastfeeding, gave them foods full of starches（淀粉）instead of greatly needed proteins. They found that the addition of milk to the food of the children suffering from kwashiorkor saved many lives.
The unbelievable thing about kwashiorkor is that the very existence of the disease—which has been killing thousands of children for centuries—was not even recognized in Latin America as recently as ten years ago. The deaths of those children were mistakenly listed as due to other diseases. It was the WHO’s work in Africa that led to the discovery of the problem in Central America.
【小题1】From the passage we learn that kwashiorkor is a disease caused by __________ .
| A．poor living conditions | B．lack of proteins in food |
| C．breastfeeding | D．lack of food |
| A．it has no symptoms at all |
| B．it is hard to identify signs of it |
| C．it doesn’t last long enough for careful observation |
| D．it is hardly different from other diseases |
| A．Taking a special medicine. |
| B．Avoiding any food containing starch. |
| C．Having more meat or milk. |
| D．Taking medicine full of proteins. |
| A．Milk and Meat Are Daily Necessities |
| B．Kwashiorkor and Improper Eating Habits |
| C．A New Form of Illness in Africa and Latin America |
| D．A Case of Eating Habits |
查看答案和解析>>
科目：高中英语 来源： 题型：阅读理解
An allergy is a strong reaction to a substance. Many things can cause allergies. The most common cause is pollen (花粉), which is usually produced by trees in the spring, grasses in the summer and weeds in the fall, as part of their reproductive process.
Other causes include organisms, chemicals, plants and dead skin particles from dogs and cats can also cause allergic reactions. So can insect stings and some food.
The most common kind of allergic reactions is itchy (痒的) , watery eyes and a blocked or watery nose. Allergies can also cause red, itchy skin. Some reactions can be life-threatening, for example, when breathing passages become blocked.
It is not always easy to avoid allergies. Drugs may offer an effective treatment. Another treatment used in some cases is called immunotherapy. A patient is injected with small amounts of the allergy-causing substance. The idea is that larger and larger amounts are given over time until the patient develops resistance in his body.
In the United States, experts estimate that up to 8% of young children have food allergies. Every year these allergies cause about 30,000 cases with severe reactions that require immediate treatment. It can result in breathing trouble and in some cases death. It is said that about 100 to 200 people will die. It is said that most of the reactions are caused by peanuts and tree nuts like walnuts.
People can also be allergic to medicines. The American Academy of Allergy, Asthma and Immunology says about 10％ of bad reactions to commonly used medicines are allergic. In other words, a person’s immune system overreacts and produces an allergic reaction. The most common reactions include skin rashes, itching, breathing problems and swelling in areas such as the face.
【小题1】Allergies seldom occur in winter because ________.
| A．plants don’t usually flower in cold weather |
| B．people usually wear thick clothes |
| C．pollen is active below freezing point |
| D．the weather is too cold for viruses |
| A．It is nothing serious. | B．One’s life is at risk. |
| C．One has to be sent to hospital. | D．One is sure to breathe easily. |
| A．take some medicines to produce antibodies |
| B．have immediate operations |
| C．be given the allergy-causing substance until the patient develops resistance |
| D．be exposed to enough allergy-causing substances |
| A．The ABCs of Allergies | B．The Cause of Allergies |
| C．The Treatment of Allergies | D．The Prevention of Allergies |
查看答案和解析>>
湖北省互联网违法和不良信息举报平台 | 网上有害信息举报专区 | 电信诈骗举报专区 | 涉历史虚无主义有害信息举报专区 | 涉企侵权举报专区
违法和不良信息举报电话：027-86699610 举报邮箱：58377363@163.com