阅读理解。 Science can"t explain the power of pets, but many studies have shown t
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lower blood pressure (血压) and raise chances of recovering from a heart attack, reduce loneliness and spread
all-round good cheer.
Any owner will tall you how much joy a pet brings. For some, an animal provides more comfort than a
husband/wife. A 2002 study by Karen Allen of the State University of New York measured stress (紧张) levels
and blood pressure in people-half of them pet owners -while they performed 5 minutes of mental arithmetic (算
术) or held a hand in ice water. Subjects completed the tasks alone, with a husband/wife, a close friend or with
a pet. People with pets did it best. Those tested with their animal friends had smaller change in blood pressure
and returned most quickly to baseline heart rates. With pets in the room, people also made fewer math mistakes
than when doing in front of other companions. It seems people feel more relaxed (放松) around pets, says Allen, who thinks it may be because pets don"t judge.
A study reported last fall suggests that having a pet dog not only raises your spirits but may also have an
effect on your eating habits. Researchers at Northwestern Memorial Hospital spent a year studying 36 fat people
and their equally fat dogs on diet-and-exercise programs; a separate group of 56 people without pets were put
on a diet program. On average, people lost about I1 pounds, or 5% of their body weight. Their dogs did even
better, losing an average of 12 pounds, more than 15% of their body weight. Dog owners didn"t lose any more
weight than those without dogs but, say researchers, got more exercise overall-mostly with their dogs-and
found it worth doing.
B. How pets help people calm down.
C. People"s opinions of keeping pets.
D. Pet"s value in medical research.
B. he has less stress of work
C. he often does mental arithmetic
D. he is taken care of by his family
B. They become more patient.
C. They are less nervous.
D. They are in higher spirits.
B. dogs lost the same weight as people did
C. dogs liked exercise much more than people did
D. people without dogs found the program unhelpful
答案
举一反三
| ABOUT LIPITOR Lipitor is a prescription medicine. Along with diet and exercise, it lowers "bad", cholesterol (胆固醇) in your blood. It can also raise "good"" cholesterol. Lipitor can lower the risk of heart attack in patients with several common risk factors, including family history of early heart disease, high blood pressure, age and smoking. |
| WHO IS LIPITOR FOR? Who can take LIPITOR: ●People who cannot lower their cholesterol enough with diet and exercise ●Adults and children over l0 Who should NOT take LIPITOR: ●Women who are pregnant, may be pregnant,or may become pregnant. Lipitor may harm your unborn baby. ●Women who are breast-feeding. Lipitor can pass into your breast milk and may harm your baby. ●People with liver (肝脏) problems |
| POSSIBLE SIDE EFFECTS OF LIPITOR Serious side effects in a small number of people: ●Muscle (肌肉) problems that can lead to kidney (肾脏) problems, including kidney failure ●Liver problems. Your doctor may do blood tests to check your liver before you start Lipitor and while you are taking it. Call your doctor right away if you have: ●Unexplained muscle pain or weakness, especially if you have a fever or feel very fired ●Swelling of the face, lips, tongue, and／or throat that may cause difficulty in breathing or swallowing ●Stomach pain Some common side effects of LIPITOR are: ●Muscle pain ●Upset stomach ●Changes in some blood tests |
| 阅读理解。 |
| It is reported that conservation groups in North America have been arguing about the benefits and dangers of wolves. Some groups believe wolves should be killed. Other people believe wolves must be protected so that they will not disappear from the wilderness (荒野). For Killing Wolves In Alaska, the wolf almost disappeared a few years ago, because hunters were killing hundreds of them for sport. However, laws were established to protect the wolves from sportsmen and people who catch the animals for their fur. So the wolf population has greatly increased. Now there are so many wolves that they are destroying their own food supply. A wolf naturally eats animals in the deer family. People in the wilderness also hunt deer for food. Many of the animals have been destroyed by the very cold winters recently and by changes in the wilderness plant life. When the deer can"t find enough food, they die. If the wolves continue to kill large numbers of deer, their prey (猎物) will disappear some day. And the wolves will, too. So we must change the cycle of life in the wilderness to balance the ecology. If we killed more wolves, we would save them and their prey from dying out. We"d also save some farm animals. In another northern state, wolves attack cows and chickens for food. Farmers want the government to send biologists to study the problem. They believe it necessary to kill wolves in some areas and to protect them in places where there is a small wolf population. Against Killing Wolves If you had lived long ago, you would have heard many different stories about the dangerous wolf. According to most stories, hungry wolves often kill people for food. Even today, the stories of the "big bad wolf"＂will not disappear. But the fact is that wolves are afraid of people and they seldom travel in areas where there is a human smell. When wolves eat other animals, they usually kill the very young or the sick and injured. The strongest survive. No kind of animal would have survived through the centuries if the weak members had lived. And has always been a law of nature. Although some people say it is good sense to kill wolves, we say it is nonsense! Researchers have found wolves and their prey living in balance. The wolves keep the deer population from becoming too large, and that keeps a balance in the wilderness plant life. The real problem is that the areas where wolves can live are being used by people. Even if wilderness land is not used directly for human needs, the wolves can"t always find enough food. So they travel to the nearest source, which is often a farm. Then there is danger. The "big bad wolf" has arrived! And everyone knows what happens next. |
| 1. According to the passage,some people in North America favor killing wolves for all the following reasons EXCET that _____. |
| [ ] |
| A. there are too many wolves B. they kill large numbers deer C. they attack cows and chickens for food D. they destroy the wilderness plant life |
| 2. Some people are against killing wolves because _____. |
| [ ] |
| A. wolves help to keep the ecological balance in the wideness B. there is too small a wolf population in the wilderness C. there are too many deer in the wilderness D. wolves are afraid of people and never attack people |
| 3. According to those against killing wolves,when wolves eat other animals, _____. |
| [ ] |
| A. they never eat strong and healthy ones B. they always go against the law of nature C. they might help this kind of animals survive in nature D. they disturb the ecological balance in the wilderness |
| 4. The last sentence "And everyone knows what happens next" implies that in such cases _____. |
| [ ] |
| A. farm animals will be in danger and have to be shipped away B. wolves will kill people and people will in turn kill them C. wolves will find enough food sources on farms D. people will leave the areas where wolves can live |
| 阅读理解。 |
| Doctors say anger can be an extremely damaging emotion, unless you learn how to deal with it. They warn that anger can lead to heart disease, stomach problems, headaches, emotional problems and possibly cancer. Anger is a normal emotion that we all feel from time to time. Some people express anger openly in a calm reasonable way. Others burst with anger, and scream and yell. But other people keep their anger inside. They can not or will not express it. This is called repressing anger. For years many doctors thought that repressing anger was more dangerous to a person"s health than expressing it. They said that when a person is angry, the brain releases the same hormones (荷尔蒙). They speed the heart rate, raise blood pressure, or sugar into the blood, etc. In general the person feels excited and ready to act. Some doctors say that both repressing and expressing anger can be dangerous. They believe that those who express anger ferociously may be more likely to develop heart disease, and they believe that those who keep their anger inside may face a greater danger of high blood pressure. Doctors say the solution is learning how to deal with anger. They say the first step is to admit that you are angry and to recognize the real cause of the anger, then decide if the cause is serious enough to get angry about. If it is, they say, "Do not express your anger while angry. Wait until your anger has cooled down and you are able to express yourself calmly and reasonably." Doctors say that a good way to deal with anger is to find humor in the situation that has made you angry. They said that laughter is much healthier than anger. |
| 1. The underlined word "ferociously" in Paragraph 2 probably means _____. |
| [ ] |
| A. mildly B. fiercely C. frequently D. hardly |
| 2. Which statement is right? |
| [ ] |
| A. Were you angry, you would get cancer. B. Once you are angry, you will get cancer. C. Angry as you are often, you can"t get cancer. D. Anger may cause you a cancer. |
| 3. Expressing anger ferociously _____ repressing it according to some scientists. |
| [ ] |
| A. is just the same as B. is more harmful than C. is no better than D. is much better than |
| 4. According to the author, you"d better _____. |
| [ ] |
| A. never be angry B. cool it down before you express your anger C. laugh and laugh when you get angry D. admit you are wrong when you are angry |
| 5. The main purpose of the text is to _____. |
| [ ] |
| A. describe people"s behavior at anger B. present doctors" different attitudes towards anger C. stress the harm of anger D. instruct people how to deal with anger |
| 阅读理解。 |
| More ice melted from the surface of the Greenland Ice Sheet this year than ever before recorded, report scientists from the University of Colorado. The same team found that the extent of Arctic sea ice reached the lowest level in the satellite record in 2002, offering further proof that climate change is already changing the Arctic. Researchers from the University of Colorado (UC) say that the speeding up melting appears to be linked to changes in Northern Hemisphere atmospheric circulation patterns. The study also found temperatures during the summer of 2002 were warmer than usual over much of the Arctic Ocean. "It is likely that sea ice extent will continue to decline over the 21st century as the climate warms," researchers added. "With these trends, we may see a 20 percent reduction in the yearly average sea ice by 2050, and by then there might be no ice at all during the summer months." The report was released on Saturday at the yearly fall meeting of the American Geophysical Union, just one week after an announcement by the National Aeronautics and Space Administration (NASA) that sea ice is melting about nine percent faster than earlier research had showed, and could disappear entirely by the end of this century. "This trend of disappearing Arctic sea ice is one example of the environmental damage that can be linked to carbon dioxide emissions," said Morgan, "When we have the means to reduce CO2 emissions (散发) and prevent further damage, we should do our best. National leaders must act now to improve energy efficiency and increase the use of renewable energy sources, like wind and solar, before it"s too late." UC scientists judge that a change in the Greenland climate toward warmer conditions would lead to an increase in the rate of sea level rise, which will bring disasters to the human beings. |
| 1. It can be inferred that _____. |
| [ ] |
| A. scientists have found that Arctic sea ice is lower than before A. scientists have studied the pictures of the Arctic sent by satellites B. scientists began to do research on Arctic sea ice in the year 2002 C. warm temperature has hardly any effect on the extent of Arctic sea ice now but soon will |
| 2. Scientists fear that _____. |
| [ ] |
| A. there will be no ice left at all in the Arctic Ocean at the end of the 21st century B. disasters will happen if Arctic sea ice continues to melt faster than before C. the temperature in Greenland will be too warm for animals and human beings to live on D. people still think Arctic sea ice is melting slowly |
| 3. It is thought that _____. |
| [ ] |
| A. carbon dioxide emissions are one of the causes of the environmental damage B. carbon dioxide emissions are an example of the environmental damage C. most environmental problems are caused by carbon dioxide emissions D. people can still have the chance to solve the above environmental problem |
| 阅读理解。 |
| Water Safety To Rescue a Drowning Person Don"t jump in to save a drowning person unless you are a trained lifesaver. The victim may pull you under. Instead, try to toss (抛) a life preserver if you have one. Anything that will float can save the person"s life. A beach ball, a vacuum jug, or a picnic chest will also help. The National Safety Council points out that many drowning could be prevented if people knew all the common objects that float well enough to help a drowning person. If you are in a boat, or you can find one, use the boat to try to reach the person in trouble. Turn the boat so the victim can grab the stern. Don"t stand up to help the victim. Stay seated so the boat won"t overturn. Try to balance the boat as the person climbs aboard. If the boat overturns, stay hanging on to the side for a while to relax before trying to right it. |
| 1. What kind of things should you throw to a person in trouble in the water? |
| [ ] |
| A. A belt. B. A cardboard box. C. Something that floats. D. Something large and heavy. |
2. Which sentence belongs to the empty box?  |
| [ ] |
| A. Jump into water and swim to them. B. Paddle the boat towards the coast. C. Stand up and shout for help. D. Turn rear (后部) of boat towards the person in the water. |
| 3. The first paragraph helps the reader understand why _____. |
| [ ] |
| A. there are so few drowning accidents B. people are often drowned themselves when they try to save a drowning person C. so many drowning people are able to save themselves D. it is important to drink plenty of fluids before swimming |
| 4. Where would you be most likely to find a passage like this? |
| [ ] |
| A. In a home medical encyclopedia (百科全书). B. In a humorous story about a couple who sail around the world. C. In a newspaper account of the National Cup sailing competition. D. In a science text. |