科目: 來(lái)源: 題型:閱讀理解
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 (檢疫隔離) 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 (抗體) 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 (調(diào)節(jié)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.
【小題1】 According to the passage, what does the underlined word “subjects” mean in paragraph 2?
A.a(chǎn)reas of knowledge in a school |
B.people being studied in an experiment |
C.research topics |
D.a(chǎn)nimals 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 |
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科目: 來(lái)源: 題型:閱讀理解
While there has been public debate about whether running is good for your health for a long time, experts agree that running has more benefits than the costs. Some people are concerned that the pressure on your knees and ankles can be detrimental. While this can be true, there are many things that you can do to reduce your risk of injury.
You should always go to a doctor for advice before you begin any type of exercise program. Then, a good pair of running shoes can be helpful as your feet hit the ground. They will help protect your ankles by providing stability to your feet. So it is good idea to visit a specialty(專業(yè)) running shoe store. The staff there can suggest shoes which are ideal for your running style.
In order to learn the proper form, you may get some advice from a friend who has been running for some time, or even join a running club. They can provide good tips as well as some support and encouragement for you.
Lastly, it is important to start out slowly. When it comes to getting in shape and losing weight , short bursts of speed followed by periods of slower movement would be proper. Aim for around 30 minutes of exercise a few days a week. As you get better, you can increase your speed. Always allow your body to rest in between heavy exercise as your muscles need time to bring energy back.
Follow these instructions and your running experience will be a great one!
【小題1】In the expert’s opinion,______________________.
A.running is good for your health as well as your mind. |
B.you should buy running shoes in an expensive store. |
C.running has more advantages than disadvantages for you. |
D.you should go to the doctor if you have a running injury |
A.harmful | B.useful | C.expensive | D.rare |
A.worry about the pressure on your knees and ankles |
B.a(chǎn)sk the shopkeeper for a pair of running shoes |
C.take advice from friends whom you will start running with |
D.join a running club so that you can get encouragement |
A.More and more people have become interested in running. |
B.Good running methods can reduce the risk of injury. |
C.It’s better to run as far as possible to lose weight. |
D.The instructions in the passage are given by a famous doctor. |
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科目: 來(lái)源: 題型:閱讀理解
Those who spend more pre-bedtime hours using the Internet or watching television are more likely to report insufficient sleep, even though they sleep almost as long as people spending fewer pre-bedtime hours in front of a computer or television screen, survey findings show.
“While many people use electronic media, say, the Internet, it should be noted that the longer media use before sleep can trigger (self-perceived) insufficient sleep,” lead researcher Dr Nakamori Suganuma, of Osaka University, Japan, told the reporter.
He and colleagues obtained data on self-perceived sleep problems and the use of electronic media prior to bedtime from 5,875 altogether Japanese respondents in two separate Internet-based surveys. Their findings are published in Sleep and Biological Rhythms.
Nearly half of the respondents associated their problem with electronic media use before bedtime. Longer electronic media users were also more likely to report insufficient sleep.
“Overall, 29% of light users (less than 1.5 hours) listed electronic media use as a possible cause of their insufficient sleep. By comparison, 40% of medium users (1.5 to 3 hours) and 54% of heavy users (more than 3 hours) said the same.
However, longer Internet and television use before bedtime did not correlate with less actual sleep.
While heavy users averaged about 3 more hours in front of computer or television screens than light users, the heavy users averaged only about 12 minutes less pre-workday sleep time than light users.
Notably, Suganuma said, "Internet use affected self-perceived insufficient sleep more than TV watching not only in younger Internet users but also in middle-aged or aged Internet users."
Up to 38% of the respondents listed accessing the Internet far into the night as a possible cause for their sleep disturbance, while about 25% said watching television far into the night caused it.
The findings suggest that while heavy computer and television use before bedtime has a small effect on sleep duration, it may have a more significant effect on "sleep demand and sleep quality," Suganuma notes.
【小題1】 Heavy computer and television user before bed time are more likely to be______ than light ones.
A.energetic | B.happy | C.sleepy | D.clever |
A.Heavy computer and television user before bed time have less sleeping time than light ones. |
B.Heavy computer and television user before bed time have worse sleep than light ones. |
C.Those suffering insufficient sleep spend less time in using internet than in watching TV. |
D.Spend less time in watching TV or surfing the internet, and you will have a better sleep. |
A.be far away from media. |
B.watch TV rather than use internet |
C.cut down late-night Internet and TV |
D.Stop late-night internet and TV |
A.have any connection with | B.make a friend with |
C.share the opinion with | D.in accordance with |
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科目: 來(lái)源: 題型:閱讀理解
New research suggests that cutting daily sitting time to less than three hours might extend your life by two years.
“Humans were designed to move. But modern lifestyles and office jobs rarely encourage us to walk around,” says Peter Katzmarzyk, an expert at the University of Louisiana.
“Sitting is common in our lives today. We sit while we’re driving, eating and watching TV. And many of us sit for many hours at work.” Katzmarzyk said.
“We can’t throw away physical activity. It’s extremely important. We have 60 years of researchers showing us that.” Katzmarzyk said.
Katzmarzyk and other researchers are trying to discover how sitting all day affext our lifespans(壽命).
“This is a relatively new area of study…Studies that have assessed the relationship between sitting and death or television viewing and death have been very rare in the last four or five years,” said Katzmarzyk.
Katzmarzyk and his colleagues analyzed data from these studies, which involved almost 167,000 adults. Then they turned to a government-run survey of Americans to find out exactly how much time people spend sitting and watching.
Not only did the team find that U.S. citizens could live longer by sitting less, they found that cutting TV time to less than two hours a day could add an extra 1.4 years to their lives.
People who’ve spent half their waking lives sitting down might well ask, “Is it ever too late to make a change?”
“We would say ‘No. It’s never too late.’ Physical activity is good for you at every age.” Katzmarzyk said.
Katzmarzyk says studying this problem has inspired his team to make a few changes in their own lives. They recommend a few simple changes: frequently getting up from your desk, taking walks at lunch time, and instead of e-mailing colleagues, walking over to their offices and talking face-to-face——all activities that can be enjoyable as well as life-extending.
【小題1】Peter Katzmarzyk seems to believe that _____.
A.we should not sit for a long time |
B.most people like to sit most of the time |
C.office jobs encourage us to walk a lot |
D.modern lifestyles are good for our health |
A.taking physical exercise is important |
B.many researches should be carried out |
C.we should exercise during working hours |
D.people should focus on their health at work |
A.To collect information for the government |
B.To know how long people sit and watch TV |
C.To find what citizens do in their spare time’ |
D.To discover how sitting for long affects their lives |
A.What Is the Healthiest Lifestyle? |
B.Sitting for a Long Time Is Bad for Us |
C.Study Suggests Sitting Less Can Extend Life |
D.It Is Never Too Late to Change Our Way of Life |
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科目: 來(lái)源: 題型:閱讀理解
Putting in water fountains(飲水器) at schools, and teaching children about the health benefits of water, could reduce their risk of getting extra pounds, reports a new study that is published in the latest issue of the journal pediatrics.
The findings are based on a survey in 32 elementary schools of two German cities, Dortmund and Essen. The researchers, led by Rebecca Muckelbauer, a nutrionist at the Research Institute of Child Nutrition Dortmund, weighed about 3,000 children, and asked them about their beverage(飲料) consumption.
At the beginning of the school year, the experts had water fountains added to 17 of the schools. The scientists also worked with teachers to carry out educational programs that promote the benefits of drinking water. In contrast to schools in the United States, there are very few schools in Germany that have water fountains.
At the beginning of the study, there were no big differences in the number of overweight children in different groups. But by the end of the school year, children in the schools with water fountains were 31 percent less likely to gain extra pounds, compared to kids who went to other schools, where water drinking was not encouraged.[來(lái)源:學(xué)
Children in the schools with fountains, increased their water consumption from about 3 up to 4 glasses a day, while those in the other schools continued to drink an average of 3 glasses. Over the research, the number of overweight kids upped from 384 to 385 out of 1,641 at the schools with water fountains. In comparison, the number of overweight kids at the other schools increased from 339 to 364 out of 1,309, Dr. Muckelbauer said.
The experts cannot make any final conclusions and explain why the students who were encouraged to drink water were less likely to gain extra weight. Dr. Muckelbauer noted that according to a few other studies, drinking of water increases the rate at which calories are burned, while some other research suggested that water may temporarily decrease appetite.
【小題1】According to the text, the journal Pediatrics__________.
A.may cover the subject of the health of children |
B.mainly deals with the water drinking problem |
C.is mainly about the mental health of kids |
D.must be a journal entitled(授權(quán)) by a school |
A.The teacher were also encouraged to drink water. |
B.The students surveyed were all overweight. |
C.It surveyed children in the countryside. |
D.It lasted for a whole school year. |
A.the technique used in the survey | B.the benefits of the survey |
C.the process of the survey | D.the result of the survey |
A.Drinking water definitely decreases appetite. |
B.Further research is needed to confirm the finding. |
C.The experts will encourage all the students to drink water. |
D.Why students drinking more get less pounds will be clear soon. |
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科目: 來(lái)源: 題型:閱讀理解
“One world, one dream”fully shows the universal values of the Olympic spirit---
Unity, friendship, Progress, Harmony(和諧), Participation and Dream. It expresses the common wishes of people all over the world, inspired by the Olympic ideals ,to fight for a bright future of man kid.
_________the differences in colors, languages and races, we share the charm and joy of the Olympic Games, and together we seek for the ideal of mankind for peace. We belong to the same world and share the same dreams.
“One world, one dream”is a great proof of the main concepts(理念) of the Beijing Olympic Games. It shows the values of harmony suggested in the concept of “People’s Olympics”,the soul of the three concepts---”Green Olympics, High-tech Olympics and People’s Olympics.”
It is our belief that peace and progress, brotherhood development, living in amity(和睦),cooperation(合作)and mutual(相互的)benefit, and enjoying a happy life are the common ideals of people throughout the world.
“One world, one dream”is simple in expressions, but great in meaning .It is of China, and also of the world. It communicates the lofty(崇高的)ideal of the people in Beijing as well as in China to share the global community and civilization(文明) and to create a bright future hand in hand with the people from the rest of the world. It expresses the firm belief of a great nation, with a long history of 5,000 years and on its way towards modernization, which contributes to peaceful development, a harmonious society and people’s happiness. It voices the determination of all Chinese people to contribute to the building of a peaceful and bright world.
【小題1】Which sentence in the passage can be replaced by the following one?
We believe that it’s the ideal of people all over the world that we seek for peace and progress, harmony, friendship and we can work together, benefit each other and enjoy a happy life.
______________________________________________________________________________
【小題2】Fill in the blank in the 2nd paragraph with a proper phrase.(within 5words)
_____________________________________________________________________________
【小題3】What’s the main concepts of the Beijing Olympics?(within 10 words)
【小題4】How do you find Beijing hosting the 29th Olympic Games?(within 30 words)
_____________________________________________________________________________
_____________________________________________________________________________
【小題5】Translate the underlined sentence in the 1st paragraph into Chinese.
_____________________________________________________________________________
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科目: 來(lái)源: 題型:閱讀理解
Below is some advice on how to prevent cancer:
8 Ways to Avoid Cancer in Your Life
1. Eat Blueberries
Aside from being a healthy and delicious snack, blueberries contain pterostilbene, which has important colon(結(jié)腸) cancer-fighting prosperities. But wait, it gets better. Blueberries also offer a large dose of vitamins C (14 milligrams per cup). So at breakfast, try to take in a cup and a half of blueberries in your cereal or yogurt, or mixed with other berries.
2. Drink Pomegranate(石榴)Juice
The deep red juice of the pomegranate contains polyphenols, isoflavones and ellagic acid, which together create a powerful anticancer mixture. Most recently, researchers from the University of Wisconsin at Madison has discovered that 16 ounces of pomegranate juice per day also may inhibit the growth of lung cancer.
3. Relax
Feeling stressed or worried? Find ways to relax and you may reduce your chances of developing cancer. Purdue University researchers tracked 1,600 men over 12 years and found that half of those with high levels of worry died during the study period. Only 20 percent of the optimists died before the study were completed, while 34 percent of the extremely anxious men died of some type of cancer. Instead of stressing about the past or future, focus on the present and relax!
4. Take Selenium(硒)
Selenium is well known for its cancer-fighting properties. In a study of almost 1,000 men, researchers from the Journal of the National Cancer Institute found that when men with the lowest initial levels of selenium in their bodies received a daily supplement over a 4 year period, they cut their prostate(前列腺) cancer risk by a remarkable 92 percent. However, it is possible to get too much of a good thing, so monitor your intake of selenium-containing supplements, Brazil nuts, tuna, meats and grains carefully.
5. Eat Sushi(壽司)
Seaweed may not be your idea of a great snack, but it is high in fiber, calcium and iron, and dry, roasted seaweed sheets used in sushi provide the additional benefits of vitamins A and C. Sushi rolls are also high in protein— a typical spicy tuna roll has only 290 calories but packs 24 grams of protein. So don’t skimp(節(jié)。﹐n the Sushi!
6. Enjoy the Outdoors
Vitamin D causes early death of cancer cells. A study published in the American Journey of Clinical Nutrition reported that women who supplemented their diets with 1,000 international. Units of vitamin D every day had a 60 percent to 77 percent lower incidence of cancer ever a four-year period that did women taking a placebo(無(wú)效對(duì)照劑). Experts recommend supplementing your fun in the sun with 1,100 to 2,000IU of vitamin D each day.
7. Breathe Clean Air
There’s no question that secondhand smoke kills. A recent American Journal of Public Health study showed that nonsmokers working in smoky places had three times the amount of carcinogen(致癌物質(zhì)) in their urine(尿) than nonsmokers working in smoke-free locations. What’s worse, their levels of the carcinogen rose 6 percent for every hour worked. Nine states have banned smoking in all workplaces, bars and restaurants. The message is clear: Do whatever you can to avoid the cloud of smoke.
8. Break a Sweat
Even a small amount of exercise can offer major cancer-fighting benefits. In a study of 29,110 men published in the International Journal of Cancer, men who exercised just once a week had a percent lower risk of metastasis(轉(zhuǎn)移性) prostate cancer than men who didn’t work out at all. The better the frequency, duration and intensity of the exercise, the bigger the reduction in risk, according to the study.
【小題1】To prevent yourself from catching colon cancer, you should eat ____ as often as possible.
A.sushi | B.blueberries | C.pomegranates | D.Vitamin D |
A.he is very fond of exercise every day. |
B.he is addicted to smoking |
C.he is always feeling extremely stressed or worried |
D.he likes to have meals in restaurants |
A.have a daily supplement of vitamins B and C |
B.try to ignore the secondhand smoking |
C.take in as many selenium-containing supplements as possible |
D.having exercise as often as possible |
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科目: 來(lái)源: 題型:閱讀理解
New research suggests that speaking more than one language may delay different kinds of dementia(癡呆), 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(執(zhí)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.
【小題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(chǎn) research plan | B.a(chǎn) health magazine |
C.a(chǎn) book review | D.a(chǎn) business magazine |
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科目: 來(lái)源: 題型:閱讀理解
C.O.P.D(慢性障礙性肺病) blocks air flow through the lungs. It makes breathing difficult. The leading cause of C.O.P.D. is cigarette smoking. Experts at the National Institutes of Health in the United States say there is no cure to the damage to the lungs.
Dawn Demeo is an assistant professor at Harvard Medical School in Boston, Massachusetts. She said, “By 2020, C.O.P.D. may be the third leading cause of death across the world.”
C.O.P.D. is a new name for emphysema(肺氣腫) and chronic bronchitis(慢性支氣管炎). These are the two most common forms of the disease. Many people with C.O.P.D. have both of them. And Doctor Demeo says more women than men now die from the disease.
She is the lead author of a study by a team from Harvard’s Brigham and Women’s Hospital and the University of Bergen in Norway. The new study adds to findings that women may be more at risk than men from the damaging effects of smoking.
The team examined results from a Norwegian study of 954 people with C.O.P.D. Inga-Cecilie Soerheim co-wrote the team’s findings. Doctor Soerheim says they show that women suffered the same level of C.O.P.D.as men. But the female smokers were younger and had smoked a lot less.
The team also looked at two groups among the people in the study. These were people under the age of 60 and those who had smoked for less than 20 years. In both cases, women had more serious C.O.P.D. and a greater loss of lung function (功能)than men.
【小題1】Which of the following statements about C.O.P.D is NOT true ______.
A. Cigarette smoking is likely to cause C.O.P.D.
B. C.O.P.D. makes it hard for a person to breathe
C. C.O.P.D will be one of the most life-threatening diseases.
D. Many people with C.O.P.D. have either emphysema or chronic bronchitis.
【小題2】It can be known from the study that_____.
A. female smokers die faster than male ones.
B. women are more likely to suffer from the damaging effects of smoking than men.
C. women who suffer the same level of C.O.P.D as men were older and weaker.
D. in the group of people under the age of 60, men suffered more from C.O.P.D than women.
【小題3】Which of the following can be the best title for the passage?
A .Smoking Kills
B. Smoking Triggers Diseases
C. The Leading Causes of C.O.P.D.
D. Women Suffers More from C.O.P.D. than Men
【小題4】In which part of a newspaper would you most probably read this passage?
A.Science | B.Health report | C.Education | D.Business report |
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科目: 來(lái)源: 題型:閱讀理解
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. When too many nutrients are absorbed at once, the body grows fat. Improperly digested food moves slowly through the digestive tract, where it becomes increasingly acidic (酸性的). 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 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(新陳代謝) becomes inactive, and then 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(惡性的) circle in its tracks, people need to consume food and supplements that will neutralize (使…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..
【小題1】. What is the main purpose of this passage?
A.To advocate eating more raw and whole foods |
B.To tell the differences between raw and processed foods |
C.To inform people of the harm of processed foods |
D.To warn people of the problem of obesity |
A.it is essential for people to protect their vital organs |
B.foods with natural enzymes help people keep fit |
C.we’d better be cautious about raw and whole foods |
D.giving up cooked and refined foods is a new lifestyle |
A.destroy body’s cells | B.a(chǎn)re difficult to digest |
C.may lead to obesity | D.stop body’s metabolism |
A.Active approaches to avoid acid . | B.Different causes of acid accumulation. |
C.Correct ways to cook raw foods . | D.Suitable types of raw and whole foods. |
A.Processed foods are good for our appetite mechanism |
B.Eating the right types of raw and whole foods does good to our body |
C.The accumulation of acid in the digestive tract makes digestion more effective |
D.Processed foods also comfort the digestive tract |
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