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It is not easy to describe a typical homeless person , for the picture has changed o
ver the years and differs from place to place. ()
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更多“It is not easy to describe a t…”相关的问题
Whom did Adrien de Gerlache have a direct effect on？
A．John Muir.
B．Lt. Robert Scott.
C．The tourists.
D．The author.
What Is Death？
People in the past did not question the difference between life and death. They could see that a person died when his heart stopped beating. People have learned, however, that the body does not die immediately when the heart stops beating. They discovered that we remain alive as long as our brain remains active. Today the difference between life and death is not as easy to see as in the past. Modern medical devices can keep the heart beating and the lungs breathing long after the brain stops. But is this life？
This question has caused much debate among citizens in the United States. Many of them want a law that says a person is dead when the brain dies. A person should be considered dead when brain waves stop even if machines can keep the body alive. Such a law would permit doctors to speed removal (切除) of undiseased (没病的) organs for transplant (移植) operations.
The brain is made of thousands of millions of nerve cells. These cells send and receive millions of chemical and electrical messages every day. In this way the brain controls the other body activities. Nerve-cell experts say it is usually easy to tell when the brain has died. They put small electrodes (电极) on a person's skull (头骨) to measure the electrical signals that pass in and out of the brain. These brain waves are recorded on a television screen or on paper. The waves move up and down every time the brain receives messages from the nerve cells. The brain is dead when the waves stop moving.
Although there are people who oppose the idea of a law on brain block for various reasons, the idea of brain wave activity as a test of death is slowly being accepted.
第 31 题 People in the past held that the difference between life and death
A．did not exist.
B．was easy to tell.
C．lay in the brain.
D．was open to debate.
听力原文： Villages in developing countries often lack many things. Books, clean water, electricity. These shortages are easy to see. But a different kind of shortage is not easy to see. That is a shortage of experts. Many villages have no doctors, engineers or scientists. They have no one who knows how to treat unusual medical problems or design a new energy system. Them' s a way to ease these problems. They can de it with computers. In the past few years, computer scientists around the world have developed what they call expert systems. An expert system is a special kind of computer program. In some situations, it can take the place of a human expert. For example, an expert in medical system can help care for a sick person. A question appears on the computer screen, "Is the person hot？" You tell the computer either yes or no. The computer asks other questions. "Has the person lest any blood？" "Can the person move normally？" You answer. The computer continues to ask questions until it has enough information to make a decision. Then it tells what medicine or other treatment is needed. In this way the ex pert system takes the place of a doctor. Another kind of expert system takes the place of an engineer. It measures the flow of water in a river. It tells if a dam can be built on the river. It also tells how much electricity can be produced. Still other kinds of expert systems help solve problems for farmers and owners of small businesses.
(30)
A．Lack of electricity.
B．Shortage of books.
C．Lack of clean water.
D．Shortage of experts.
We each have our own preferred way of learning as a result of our cultural and educational back？grounds and our personalities. Experts have identi？fied different learning styles.
Visual Learners usually enjoy reading and prefer to see an image of the words they are learn？ing. Auditory Learners on the other hand prefer to learn by listening. They enjoy conversations and talking to others.
Some people like to learn by using their hands to touch objects？ while others like to move around and need frequent breaks from sitting at a desk.
There are Analytical Learners meaning they enjoy understanding how the language works. They love studying grammar rules and like to focus on de？tails whereas Global Learners are more interested in communicating their ideas and are not worried about whether what they say is grammatically correct.
In spoken English the Japanese tend to be Re？flective Learners. They think carefully before they speak to ensure their message is accurate. They do not make so many mistakes but their communication is slower. European learners tend to be Impulsive Learners. They speak more fluently and worry about how well they are communicating rather than how many mistakes they are making.
So to do well in a language？ you should identi- fy your style. and try to find a class that will teach you the way you want to learn. For example if you are a Reflective Learner you may not do so well in a purely conversational class and as an Auditory Learner you probably don't want to do so much reading. In fact if you are an Auditory Learner you are probably not enjoying yourself right now!
(1)The passage mainly talks about () .
A. the difficult learning styles of some people
B. the easy learning ways of other people
C. the different learning styles of the Japanese
D. the different learning methods of all the people
(2)Which of the following phrases isn't con？nected with the learning style？
A. The way people are taught to learn a language.
B. The place where people are from.
C. The size of people.
D. The kind of person people are.
(3)Visual Learners like to () .
A. see things
B. touch things
C. hear things
D. do things
(4)Auditory Learners like to ().
A. hear things
B. buy things
C. destroy things
D. paint things
(5)Analytical Learners() .
A. are similar to Global Learners
B. never worry about mistakes
C. love to study details
D. do well in conversation
The Olympics
1 The Olympic games are an international sports competition. In the Olympics, athletes take part in many different types of sports. Some athletes compete in the Winter Olympics. s Some compete in the Summer Olympics
2 The Olympic games are very old and have a very interesting history. The first Olympic Games were held in Greece in ancient times. They probably began in the eighth century, B. C. the contests were held every four years in summer. The first games lasted for only one day. There was only one contest: a short race. Only Greek men were allowed to run in the race. No women and no non-Greeks were allowed to take part. Women were not allowed to watch the race either, or to be anywhere near the racing area. But the ancient games were stopped in the fourth century, A. D,when Greece was ruled by Rome
3 The Olympics were started again in the nineteenth century, after Baron Pierre de Coubertin, a Frenchman, suggested that it would he good to have the games again, but not just for Greek people. De Coubertin organized a meeting in 1894. Representatives from nine countries went to the meeting, in Paris. They agreed to start the Olympic Games again in Athens, Greece, in 1896. The Olympic Games have been held every four years since 1896 However, the games were not held three times - in 1916, 1940 and 1944-because of the two world wars
4 De Coubertin also started a committee to run the Olympics. This committee is called the International Olympic Committee. It makes the rules for athletes in the Olympics
5 These rules are very strict. (1) Everyone who would like to be in the Olympics must be an amateur. They must not have played the sport professionally. (2) There are no age limits. An athlete can be young or old. (3) No one can be kept out of the Olympics because of religion, color, or political ideas. (4) Only people who were born in a particular country can represent that country in the Games. (5) In each event, each country can have only three entries in the summer games, and four entries in the winter. These rules help to make sure that everyone has the same chance of winning
6 The events and games are of several different types. There are individual contests, where each athlete competes alone. To win this type of contest, one athlete must be better, faster, or stronger than other athletes Some examples of individual sports are swimming, running, and walking races. In a second group of events and games, three or four athletes work as a group. These contests are usually races, and the fastest group wins. For these small groups, there are relay races in running and swimming in summer, and relays in skiing in winter. In a third group of games, teams from each country compete in sports. For teams, there are many kinds of games. They play games such as basketball, football, and volleyball. To win these games, one team must have a higher score than the other team The athletes must usually be able to catch, throw, hit, or kick a ball very well to win
7 For an amateur athlete, winning in the Olympics is a great achievement. The Games are not easy to win, whether an athlete competes in the summer or in the winter. There are many excellent athletes who compete alone, in small groups, or on teams. An athlete who wins the Olympics is the best in the world
Questions 1 一 10:
1. The Olympic Games were firstly held in Greece
2. There were many different types of contests in the first Olympic Games
3. Women were neither allowed to run in the Greek race nor allowed to watch it
4. Greece was ruled by Rome in the eighth century B. C
5. The Olympics were started again in 1894
6. It is Barron Pierre de Coubertin that made the Olympics an international event
7. Due to the two world wars, the games were not held two times
8. Only the professional athletes are allowed to take Part in the Olympic Games
9. An athlete who has just immigrated into another country may represent it in the Olympic Games
10. Three main types of games are mentioned in the passage, i. e. the contests in which athletes compete either individually, or as a small group, or as a team
Naturalgas Vehicles
Kermit the Frog once said, "It's not that easy being green." Although he wasn't referring to cars, his observation seems particularly appropriate for the auto industry today: Designing, developing and marketing "green" cars has not been an easy task, which is why gasolinepowered vehicles still rule the road and fossil fuels still ac count for almost 75 percent of the world's energy consumption. As gasoline prices soar and concern over harmful emission mounts, how ever, cars that run on alternate fuel sources will become increasingly important. A naturalgas vehicle, or NGV, is the perfect example of such a carit's fuelefficient, environmentally friendly and offers a relatively low cost of ownership.
Natural Gas Basics
The word "gas" is a confusing term because it is used to de scribe many different substances that are similar hut not exactly the same. For example, the "gas" you put in your car is gasoline, one component of crude oil, or petroleum. Petroleum is a dark, sticky liquid mixture of compounds formed underground by tile decay of ancient marine animals.
Natural gas also cranes from the decay of ancient organisms, but it naturally takes a gaseous form. instead of a liquid form. Natural gas commonly occurs in association with crude oil. It is derived from both land plants and aquatic(水中的) organic matter and forms above or below oil deposits. It is often dissolved in crude oil at the high pressures existing in a reservoir. There are also reservoirs of natural gas, known as nonassociated gas, that contain only gas and no oil.
Natural gas consists primarily of methane(甲烷) and other hydrocarbon gases. Hydrocarbons are organic compounds composed only of the elements carbon and hydrogen. The hydrocarbons in natural gas are called saturated hydrocarbons because they contain hydrogen and carbon bound together by single bonds.
Like gasoline, natural gas is combustible, which means it can be used in a combustion engine like gasoline. But cars that could burn natural gas didn't appear on the scene until the 1930s.
From Field to Ford
We extract natural gas trapped in underground reservoirs by drilling wells into the earth. A modem well, equipped with diamondstudded drill bits, can drill to depths approaching 25,000 feet.
Throughout the 19th century, the use of natural gas remained localized because there was no way to transport large quantities of gas over long distances. In 1890, the invention of a leakproof pipeline coupling made it possible to transport gas miles from the source, Improvements in pipeline technology continued over the next two decades constructed more than 10 major natural gas transmission systems in the United States, making natural gas a viable energy source for many applications. The oil shortages of the late 1960s and early 1970s brought renewed interest in natural gas as a fuel source, especially for automobiles.
Today, owners of naturalgas vehicles can fill up their cars at one of 1,300 fueling stations located in the United States. Honda al so offers a personal natural gas pump to people who purchase its naturalgaspowered Civic. The pump uses a home's existing natural gas lines and can be installed for $500 to $1500.
Naturalgas Vehicle Design
Naturalgas vehicles use the same basic principles as gasoline powered vehicles. In other words, the fuel (natural gas in this case) is mixed with air in the cylinder of a fourstroke engine and then ignited by a spark plug to move a piston up and down. Although there are some differences between natural gas and gasoline in terms of flammability and ignition temperatures, NGVs themselves operate on the same fundamental concepts as gasolinepowered vehicles.
Still, some modifications are required to make an NGV work efficiently. These changes are primarily in the fuel storage tank, the engine and t
A．Y
B．N
C．NG
In his West African homeland, Mr. Jallow&39; s salary was the equivalent of just 50 euros a month, barely enough for the necessities, he said. And everywhere in his neighborhood in Serekunda, Gambia&39; s largest city, there was talk of easy money to be made in Europe.
Now he laughs bitterly about all that talk. He lives in a patch of woods here in southern Spain, just outside the village of Palos de la Frontera, with hundreds of other immigrants. They have built their homes out of plastic sheeting and cardboard, unsure if the water they drink from an open pipe is safe. After six years on the continent, Mr. Jallow is rail thin, and his eyes have a yellow tinge.
“We are not bush people,” he said recently as he gathered twigs to start a fire. “You think you are civilized. But this is how we live here. We suffer here.”
The political upheaval in Libya and elsewhere in North Africa has opened the way for thousands of new migrants to make their way to Europe across the Mediterranean. Already some 25,000 have reached the island of Lampedusa, Italy, and hundreds more have arrived at Malta.
The boats, at first, brought mostly Tunisians. But lately there have been more sub-Saharans.
Experts say thousands more — many of whom have been moving around North Africa trying to get to Europe for years, including Somalis, Eritreans, Senegalese and Nigerians — are likely to follow, sure that a better life awaits them.
But for Mr. Jallow and for many others who arrived before them, often after days at sea without food or water, Europe has offered hardships they never imagined. These days Mr. Jallow survives on two meals a day, mostly a leaden paste made from flour and oil, which he stirs with a branch.
“It keeps the hunger away,” he said.
The authorities estimate that there are perhaps 10,000 immigrants living in the woods in the southern Spanish province of Andalusia, a region known for its crops of strawberries, raspberries and blueberries, and there are thousands more migrants in areas that produce olives, oranges and vegetables. Most of them have stories that echo Mr. Jallow&39; s.
From the road, their encampments look like igloos tucked among the trees. Up close, the squalor is clear. Piles of garbage and flies are everywhere. Old clothes, stiff from dirt and rain, hang from branches.
“There is everything in there,” said Diego Canamero, the leader of the farm workers&39; union in Andalusia, which tries to advocate for the men. “You have rats and snakes and mice and fleas.”
The men in the woods do not call home with the truth, though. They send pictures of themselves posing next to Mercedes cars parked on the street, the kind of pictures that Mr. Jallow says he fell for so many years ago. Now he shakes his head toward his neighbors, who will not talk to reporters.
“So many lies,” he said. “It is terrible what they are doing. But they are embarrassed.”
Even now, though, Mr. Jallow will not consider going back to Gambia. “I wouldprefer to die here,” he said. “I cannot go home empty-handed. If I went home, they would be saying, "What have you been doing with yourself, Amadou" They think in Europe there is money all over.”
The immigrants — virtually all of them are men — cluster by nationality and look for work on the farms. But Mr. Canamero says they are offered only the least desirable work, like handling pesticides, and little of it at that. Most have no working papers.
Occasionally, the police bring bulldozers to tear down the shelters. But the men, who have usually used their family&39; s life savings to get here, are mostly left alone — the conditions they live under are an open secret in the nearby villages.
It is _______ to tell which is earth and which is sky.
A.enough easy
B.easily enough
C.easy enough
D.enough easily
The address book（）the email addresses of your friends or groups of colleagues.
A.makes it easy to recall
B.makes it easy recall
C.makes easy to recall
D.makes recall it easy
