Every hour spent in watching TV, DVDs and videos as an adult reduces lifespan by almost 22 minutes, a study suggests. And viewing TV for an average of six hours a day can cut short your life by five years.
The research shows that a sedentary（久坐的） lifestyle is as bad for health as smoking and obesity, because of the dangers caused by inactivity and the greater opportunities it offers for unhealthy eating.
The researchers set out to calculate the overall risk to lifespan from watching television. Their research involved more than 11,000 people over the age of 25.
Writing in the British Journal of Sports Medicine, they concluded. "TV viewing time may be connected with a loss of life, which is similar to other major chronic disease risk factors such as physical inactivity and obesity."
The researchers, from the University of Queensland, used information from the Australian Diabetes, Obesity and Lifestyle Study, together with population and death rate data.
But they said: "Although we used Australian data, the effects in other industrialized and developing countries are likely to be similar, considering the large amounts of time spent watching TV and similarities in disease patterns." In the United Kingdom, the average amount of time spent watching TV is four hours a day, compared with five hours in the United States.
Earlier this year, a separate study suggested the risk of developing diabetes and heart disease, or dying early, rises by as much as 20 percent after just two hours a day in front of the box.
England's Chief Medical Officer, Sally Davies, said: "Physical activity offers huge benefits and these studies back what we already know - that a sedentary lifestyle carries additional risks. We hope these studies will help more people realize that there are many ways to get exercise."We can learn from the passage that .
| A．whether you watch TV or not has nothing to do with how long you will live |
| B．if an adult watches TV for six hours every day, he will probably die five years earlier |
| C．physical inactivity and obesity won't shorten your life |
| D．a sedentary lifestyle offers huge benefits. |
The passage implies that _______.
| A．The longer one watches TV every day, the shorter he lives. |
| B．The conclusion of the study is unbelievable because it's based on Australian data. |
| C．Watching TV does greater harm to health than smoking and obesity |
| D．Watching TV harms children as much as adults. |
What do we know from the last three paragraphs?
| A．People in the United Kingdom watch TV longer than those in the United States. |
| B．That a sedentary lifestyle carries additional risks isn't supported by other studies. |
| C．Watching TV for two hours a day will increase the risk of illnesses or dying early by 20%. |
| D．Australian data is much different from that of other countries. |
The passage is intended to _______.
| A．inform the readers of a research on watching TV |
| B．tell the readers large amounts of people often watch TV |
| C．tell the readers watching TV is also a good way to relax |
| D．warn the readers of the harm of watching TV and hope that they do sports |
Experts say the American state of Hawaii has been invaded (入侵)by a small frog called the coqui (ko--kee). There may be millions of the small frogs in Hawaii. However, they do not belong there. They are normally found in the southeastern United States. The coqui frogs are harming Hawaii’s environment. And the extremely loud noise they make is causing problems for Hawaiian citizens and visitors.
The coqui invaders arrived in Hawaii about ten years ago. They were believed to have been brought in accidentally in shipments of plants from Florida. Their number has sharply increased. They have quickly spread around the Hawaii Islands hidden in plants.
The coqui is a brown frog about five centimeters long. During the day, the frogs hide in wet protected areas, such as under plant leaves. At night, the frogs move onto trees to feed, call to females and mates. The call of the male coqui sounds like. Ko kee! Ko kee!
In the southeastern United States, local people celebrate coqui frogs. But in Hawaii, the foreign frog has been considered as a harmful animal. The coqui frogs are a major danger to Hawaii’s environmental system. The frogs eat thousands of insects (昆虫)every night. These insects are important for the reproduction of plants. The insects also are important food for Hawaii’s native rare birds. The frogs also are affecting the tourism industry in Hawaii. Increasing numbers of hotels, visitors and local people have been annoyed by the loud calls made by male coqui
frogs to female frogs. At night, the noise often makes it difficult for people to sleep.
The frogs do not have any natural enemies in Hawaii to reduce their population size. The warm weather permits them to lay eggs all year long. There are many efforts in Hawaii designed to stop the spread of the coqui. It is a crime to transport ,sell or release(释放)the frogs there.
The Hawaii Department of Agriculture is trying to find an effective chemical that can be safely used to kill the frogs. For now, the frogs may only be caught by hand. The Hawaii Department of Agriculture says the greatest danger to the economy and environment of the state is from harmful species, like the coqui.The statement that can best summarize the main idea of the passage is .
| A．the coqui invaders have seriously affected the tourism industry in Hawaii |
| B．it is not permitted to transport, sell or release the coqui frogs in Hawaii |
| C．the coqui invasion has serious effects on the economy and environment in Hawaii |
| D．great efforts have been made by the Hawaii people to kill the coqui |
The coqui frogs originally arrived in Hawaii .
| A．by chance | B．at the request of all the local citizens |
| C．as a gift | D．as goods demanded in the local market |
Visitors to Hawaii don’t like the coqui frogs mainly because .
| A．they are a big danger to the environmental system there |
| B．the loud noise made by the frogs bother their rest at night |
| C．they affect the reproduction of the local plants and insects |
| D．visitors could no longer see the native rare birds because of them |
The two factors leading to the rapid spread of coqui frogs in Hawaii are .
| A．the frogs’ habit and the environment in Hawaii |
| B．the large number of the insects and the plants in Hawaii |
| C．the geographic location of Hawaii and its tourism industry |
| D．the warm weather there and the frogs’ lack of natural enemies |
You can make the difference between this … and this. But how?
This summer, join the International Conservation (环境保护)Scouts on a fun—filled holiday with a difference. Year after year, young people from all around the world get together at one of our sixteen conservation camps. Their shared aim is to help protect the countryside and its wildlife.
Many animals and plants are in danger of disappearing forever. The dormouse, a kind of mouse, for example, needs woodland plants for food and trees to stay in. Its habitat is being destroyed by man and it needs our help to survive.
On a conservation camp holiday, you’ll learn all about nature and how to protect it. Our trained leaders will accompany you and tell you everything yo
u need to know. Because of this you don’t need any experience, just energy and enthusiasm(热情). You will explore the countryside and work to ensure the survival of hundreds of animals and plants and still have plenty of time to enjoy the camp’s excellent sport games and organized nature paths through beautiful scenery.
The International Conservation S
couts is a world—wide organization, so there must be camp near you. You can spend a splendid holiday at any of the camps for as little as ￡60, including accommodation(住宿)and food.
For more information, send for a free conservation camps handbook today:
The International Conservation Scouts
Stanton St. John
Oxfordshire OX 71 TL
THE KEY TO SAVING WILDLIFE IS TO PROTECT NATURAL, HABITATS
YOUR WORK WILL MAKE A DIFFERENCEThe main purpose of this passage is .
| A．to offer young people a fun—filled dangerous holiday |
| B．to attract young people to attend a conservation camp |
| C．to persuade people into exploring the countryside |
| D．to raise funds for the International Conservation Scouts |
According to the passage, you can at the conservation camps.
| A．do experiment on the usual dormouse |
| B．practise numbers of favorite hobbies |
| C．enrich your knowledge of wildlife |
| D．have free accommodation and food |
Judging from its writing style, this passage seems to be .
| A．a piece of advertisement for the young |
| B．a serious science report for the young |
| C．a passage for professional reading |
| D．a passage for arguing an opinion |
The International Conservation Scouts is located in .
| A．16 different countries | B．some camps near you |
| C．the United Kingdom | D．the beautiful countryside |
Self—employed private doctors who charge a fee each patient’s visit are the foundation of medical practice in the United States. Most doctors have contract relationship with one or more hospitals in the community. They send their patients to this hospital，which usually charges patients according to the number of days they stay and the facilities (operation room, tests, medicines that they use). Some hospitals belong to a city, a state or a government agency. Others are operated by religious orders (教会)or other non—profit groups.
Some medical doctors are on salary. Salaried doctors may work as hospital staff (员工)members, or residents, who are often still in training . They may teach in medical schools, or be hired by corporations to care for their workers to work for the government’s Public Health Service.
Doctors are among the best paid professionals in the United States. In the 1980s, it was not uncommon for medical doctors to earn incomes of more than $100,000 a year. Specialists, particularly surgeons, might earn several times that amount. Doctors list many reasons why they deserve to be so well rewarded for their work. One reason is the long and expensive preparation required to become a doctor in the United States. Most would—be doctors first attend college for four years, which can cost nearly $20,000 a year at one of the best private institutions. Then they attend medical school for four years. Tuition(学费)alone can more than $10,000 a year. By the time they have obtained their medical degrees, many young doctors are deeply in debt. They still face three to five years of residency(实习阶段) in hospital, the first year as an assistant. The hours are long and the pay is relatively low.
Setting up a medical practice is expensive, too. Sometimes several doctors will decide to establish a group practice, so they can share the expense of maintaining an office and buying e
quipment. These doctors also take care of each other’s patients
in emergencies.
Doctors work long hours and must accept a great deal of responsibility. Many medical procedures, even quite practiced many times, still involve risk. It is understandable that doctors want to be well—paid for making 
decisions which can mean the difference between life and death.According to the passage, it is very unlikely that an American hospital is owned by .
| A．a church | B．a corporation | C．a city | D．a state |
The expenses for becoming a doctor are mainly spent on .
| A．schooling and retraining | B．practice in a hospital |
| C．facilities he or she uses | D．education he or she receives |
Sometimes several doctors set up a group medical practice mainly because .
| A．it’s difficult for one doctor to take care of too many patients |
| B．they can take turns to work for long hours |
| C．facilities may be too much of burden for one doctor to shoulder |
D．no one wants to take too much res ponsibility |
The statement that fully expresses the author’s view towards US doctors’ payment is that .
| A．they deserve a very good payment for their expensive education and their responsibility |
| B．it is reasonable for doctors to have a large income because their work is dangerous |
| C．doctors should be better paid because they work long hours in bad conditions |
| D．doctors have great responsibility, so it is understandable that they should be well paid |
Dangerous creatures
Some b
each creatures are wonderful—like dolphins, but others are dangerous. Find out more about the dangerous ones –puffer fish, blue ringed octopus, and stingrays.
The blue ringed octopus
The blue ringed octopus is not a very big creature but it is very dangerous.These octopuses are found all around the coast of Australia. They often lie in rock pools close to shore.
The blue ringed octopus is usually a dull colour but it shows its bright blue rings when it is in danger. If it is taken out of the water by someone, it is able to bite him and poison him.
If this creature bites someone, he will feel numbness (麻木) around the mouth, face and neck, Puffer Fish
Puffer Fish are found in all Australian seas. They are very easy to catch but must not be eaten because their flesh contains a poison.
Anyone who does eat the flesh can become sick very quickly. They may even stop breathing.
The Blue Bottle
The Blue Bottle is found in most Australian waters. Blue Bottles float lightly on the surface of the water but their tentacles(触角)can be as long as 10 meters.Blue Bottles are much less dangerous than some other jellyfish, but they can give a swimmer a bad sting(刺) if the swimmer accidentally touches them.
Stingrays
There are many different kinds of stingrays in Australian waters. They usually swim and feed on the bottom of the sea. Accidents can happen if people stand on them or try to pick them up.Stingrays have a sting on their tail. These stings have poison on them. If someone is stung, the wound can easily become infected.
| A．be bitten by the blue ringed octopus |
| B．stop breathing because of Puffer Fish |
| C．get a bad sting by the Blue Bottle |
| D．become infected by stingrays |
According to the text, the less aggressive (侵略性)creature is .
| A．the blue ringed octopus | B．puffer fish |
| C．the blue bottle | D．stingray s |
According to this passage, the correct one of
the following is that .
| A．all creatures along the coast of Australia are dangerous |
| B．poisonous creatures change the body color when in danger |
| C．no accident will happen unless people touch these creatures |
| D．if people stand on the beach, accidents can happen because of creatures |
The main idea of this passage is about .
| A．dangerous creatures in the sea | B．interesting creatures in the ocean |
| C．wild creatures in Australia seas | D．different creatures in Australian waters |
Be Healthy ! Be Slim ! Be Beautiful!
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tiful.
This healthy diet is an 8 week’s program which is unlike other diet regimes(食物疗法). In that it focuses on proper nutrition first and weight loss second. Your body must have proper levels of minerals, vitamin, and protein in order to work well. It provides a simple lifestyle change to give you more energy and improve your health most greatly. It offers control over stomach and continuing hunger with a dense diet allowing 1,700 to 2,000 calories a day. If a person has a weight problem, their body probably is not working at proper levels of basic nutrients. We invite you to follow this program, so you can be the slim person who lives inside you.
You too, can love dieting espec
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For more information about our program, please get to our address in the internet:
http://www.Shaklee. net/ lifestyle—for—heath/productsThis passage is mainly about .
| A．how people should keep fit | B．a healthy diet program |
| C．why people should keep fit | D．ways to lose weight |
The underlined phrase “lose inches” in the passage means .
| A．become shorter | B．become taller |
| C．become fatter | D．become thinner |
According to this passage, all of the following are true except that .
| A．this program makes a change in your lifestyle |
| B．this program can stop you from feeling hungry all the time |
| C．this program allows you 1,700 to 2,000 calories for each meal |
| D．this program tries to tell us what people should do to become slim |
If you click “ http://www.Shaklee. net/ lifestyle—for—heath/products ”you may read
| A．some other programs | B．the content of this program |
| C．some interesting foods | D．some products you can buy |
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