Electrical devices(仪器)could soon use power made by human energy. Scientists say they have developed an experimental device that produces electricity from the physical movement of a person walking. British scientist Max Donelan and other scientists in Canada and the United States developed the device.
The device connects to a person’s knee. As the person walks, the device captures energy each time the person slows down. To do this, the device helps with the slowing down movement of the leg. The movements of the walking person push parts of a small machine
that produces electricity. Using the device, an adult walking quickly could produce thirteen watts of electricity in just a minute. Donelan says walking at that speed could produce enough power to operate a laptop computer for six minutes.
There are several possible uses for the device. Developers say it could help people who work in areas without electricity to operate small computers. The device could also be used in hospitals to operate heart pacemakers(起搏器). It could even be used to assist in the movement of robotic arms and legs.
The experimental version of the device weighs about one and a half kilograms, but it is too costly for most people to buy. But the researchers hope to make a lighter, less costly version. An improved version shou1d be ready in one year.
The developers hope the device will one day help developing countries. Near1y twenty five
percent of people around the world live without electric power.
A similar product was invented in 2005 by Larry Rome of the University of Pennsylvania. He created a bag carried on a person’s back that also produces power from wa1king.The knee device does not produce as much electricity as the bag. But the bag requires the walker to carry a load of twenty to thirty kilograms. The second paragraph mainly talks about .
| A．who developed the device |
| B．how the device works |
| C．several possible uses for the devices |
| D．how much electricity the device can produce |
Compared with the device designed by Larry Rome, this new device .
| A．produces power without adding more loads to the walker |
| B．can produce more power in a much shorter time |
| C．needs to be equipped with a battery |
| D．can help the walker wa1k faster |
From the passage, we can learn that the electrical device can .
| A．help housewives operate the washing machine |
| B．make it much easier for us to go online |
| C．produce more electricity than that invented by Larry Rome |
| D．be applied in medicine to operate heart pacemakers |
Xu Hui is very excited. The Senior 1 student in a middle school in Beijing will go to South Korea with his parents during the Spring Festival.
“Overseas touring has always been a dream for me,” he said happily.
Nowadays, Chinese people enjoy longer holidays, such as the three “Golden Week Holidays”(the Spring Festival, May Day and National Day). They have more time to travel. Rising incomes also make travelling abroad realistic for ordinary Chinese people.
Nearly 7 million Chinese travelled overseas in 2001, according to the National Tourism Administration(国家旅游局). The most common problem travellers face is how to choose the best routes(路线).
By the end of 2002, Chinese citizens were allowed to travel to 19 foreign countries and regions at their own expense.
The top 10 places included Hong Kong, Macao and Thailand. European countries are also becoming increasingly popular.
“More and more Chinese people have shown interest in travelling to Europe, particularly France and Finland,” said Tan Wen, a general manager of China Youth Travel Service. “Sooner or later, there will be a peak(高峰) in European tours.”
Another consideration is choosing the right travel agencies and finding the best price. The China Consumers’ Association(CCA, 中国消费者协会) offered tips to consumers on choosing the right travel agencies to help prevent a relaxing vacation from turning into a costly disaster.
“Price should not be the single most important factor in choosing a travel agency,” said Zhang Yuanchao, CCA vice-secretary general. Consumers are advised to choose large State travel agencies with good reputations(名声) and official approval to organize overseas tour groups.
Zhang’s association dealt with more than 5, 000 complaints about travel agencies(旅行社) last year. And the majority of the complaints were about random changes in travel routes, bad tour guides, and forced shopping.
Travellers were warned to look carefully at their contracts(合同) with agencies and to buy travel insurance(保险). How many reasons are given in the article as to why ordinary Chinese people are traveling abroad more today?
| A．Two. | B．Three. | C．Four. | D．Five. |
According to the passage, what is the biggest problem Chinese travelers face when going overseas?
| A．Choosing the best travel agent. |
| B．Deciding the best way to get to the places they want to go to. |
| C．Traveling to Europe. |
| D．Cost. |
According to the passage, what seems to be the most common result of choosing a bad travel agency?
| A．People buy more souvenirs than they had planned to. |
| B．People spend more money than they had planned to. |
| C．People go to different places than they had planned to. |
| D．People complained more than they had planned to. |
The underlined part “random changes” probably means that _______.
| A．the travelers agreed with the changes. |
| B．the travel agency didn’t make any changes. |
| C．the travel agency refused to changes the routes. |
| D．the travel agency changed the routes or time without following the original plan. |
What would be a good title for this passage?
| A．Xu Hui’s Vacation in South Korea |
| B．The Job of the National Tourism Administration |
| C．Where Young Chinese Travelers Go |
| D．Suggestions for the Chinese Travelers |
On Sept. 11, an unseen enemy launched an attack on economic, military and governmental
Landmarks(标志) of the United States.
Beyond the tremendous(巨大的) loss of innocent lives and physical property, the attack was clearly aimed at the ideals of America—our values and the economic system that has made the U.S. economy the envy of the world.
Those responsible for these acts portray(描绘)the United States as the embodiment(化身)of all that is evil
With globalization and the worldwide economy it has spawned. They use the failures of globalization as an excuse to exploit their millions of constituents in the underdeveloped world.
Sometime soon, the U.S. military will strike back against those who it is determined have committed these acts. A military response is appropriate – some would say overdue(期待已久). But even if the military objective is achieved, that alone will not get to the heart of the matter.
It is crucial that the U.S. economy return to full speed ahead and continue to be the driving force behind expansion of the global economy.
Globalization, or at least the present phase of it, generally is viewed as having started with the end of the Cold War in 1989. And for all its shortcomings, the free flow of goods, services, capital and labor across the borders of the world’s trading nations — the process that has come to be called globalization—still offers the best chance to fulfill the dreams of so many of the world’s poor.The attack on Sept. 11 caused _____.
| A．loss to both the military forces and the ordinary citizens in the U.S. |
| B．a large variety of losses among the American people |
| C．greater loss to the American government than the citizens |
| D．less loss in the economy of the U.S. than the American ideals |
The unseen enemy launched the attack because ________.
| A．some people were jealous of the richness of the United States |
| B．the development of globalization frightened those who were conservative |
| C．everything evil might be thought to have something to do with the U.S. |
| D．the United States was considered the most evil country all over the world |
According to the writer, a military response ________.
| A．will be successful very soon |
| B．cannot make any sense to the matter |
| C．is really hard to some extent |
| D．will prove justifiable and necessary |
What benefit will the globalization be of?
| A．It will bring the expansion of the world’s economy. |
| B．The poor will become rich overnight if it is realized. |
| C．Nations will be too friendly to start a war against each other. |
| D．The borders between the nations will be abandoned soon. |
What does the passage mainly talk about?
| A．Economical factors are of great importance in international affairs. |
| B．The event on Sept. 11 has slowed down the process of globalization. |
| C．Military forces are necessary in the course of the development of economy. |
| D．The progress of globalization depends on the recovery of American economy. |
My father was a foreman of a sugar-cane plantation in Rio Piedras, Puerto Rico. My first job was to drive the oxen that ploughed the cane fields. I would walk behind an ox, guiding him with a broomstick. For $ 1 a day, I worked eight hours straight, with no food breaks.
It was very tedious work, but it prepared me for life and taught me many lasting lessons. Because the plantation owners were always watching us, I had to be on time every day and work as hard as I could. I’ve never been late for any job since. I also learned about being respectful and faithful to the people you work for. More important, I earned my pay; it never entered my mind to say I was sick just because I didn’t want to work.
I was only six years old, but I was doing a man’s job. Our family needed every dollar we could make because my father never earned more than $ 18 a week. Our home was a three-room wood shack with a dirty floor and no toilet. Nothing made me prouder than bringing home money to help my mother, father, two brothers and three sisters. This gave me self-esteem(自尊心), one of the most important things a person can have.
When I was seven, I got work at a golf course near our house. My job was to stand down the fairway and spot the balls as they landed, so the golfers could find them. Losing a ball meant you were fired, so I never missed one. Some nights I would lie in bed and dreamt of making thousands of dollars by playing golf and being able to buy a bicycle.
The more I dreamed, the more I thought. Why not? I made my first golf club out of guava limb(番石榴树枝) and a piece of pipe. Then I hammered an empty tin can into the shape of a ball. And finally I dug two small holes in the ground and hit the ball back and forth. I practiced with the same devotion(热爱) and intensity(强度). I learned working in the field — except now I was driving golf balls with club, not oxen with a broomstick(帚柄).The writer’s first job was _______.
| A．to stand down the fairway at a golf course |
| B．to watch over the sugar-cane plantation |
| C．to drive the oxen that ploughed the cane fields |
| D．to spot the balls as they landed so the golfers could find them |
The word “tedious” in Paragraph 2 most probably means _______.
| A．difficult | B．boring |
| C．interesting | D．unusual |
The writer learned that_______ from his first job.
| A．he should work for those who he liked most |
| B．he should work longer than what he was expected |
| C．he should never fail to say hello to his owner |
| D．he should be respectful and faithful to the people he worked for |
_______ gave the writer serf-esteem.
| A．Having a family of eight people |
| B．Owning his own golf course |
| C．Bringing money back home to help the family |
| D．Helping his father with the work on the plantation |
Which of the following statements is true according to the passage?
| A．He wanted to be a successful golfer. |
| B．He wanted to run a golf course near his house. |
| C．He was satisfied with the job he got on a plantation. |
| D．He wanted to make money by guiding oxen with a broomstick. |
A deadly strain of avian flu may have passed between people for the first time, experts believe.The avian influenza A (H7N9) virus is thought to have been transmitted between father and daughter in eastern China, according to research published online by the British Medical Journal (BMJ).
The findings provide the strongest evidence yet of H7N9 transmission between humans since its discover in February, but its ability to transmit itself was deemed "limited and non-sustainable" by the Chinese researchers behind the study.At the end of June 133 cases had been reported, including 43 deaths. Most infections have been among people visiting markets, selling live birds or among those who had contact with live poultry（家禽） in the seven to 10 days before becoming ill.
The latest study examined the case of a 60-year-old father who regularly visited a live poultry market and became ill five to six days after his last visit in March. He was admitted to hospital with fever, cough and shortness of breath. Despite intensive care treatment he died of multiple organ failure on 4 May. His 32-year-old daughter, who was previously healthy, looked after him at his bedside before he was admitted to intensive care. She had no known exposure to live poultry before falling ill with a very high temperature, cough and fever. The daughter developed symptoms six days after her last contact with her father and was admitted to hospital where she died of multiple organ failure on 24 April.
Follow-up investigations(调查) uncovered almost genetically identical virus strains from each patient, suggesting transmission from father to daughter. Another 43 people were also tested who had had close contact with the father, daughter or both.
Dr Peter Horby, senior clinical research fellow at the Oxford University Clinical Research Unit in Hanoi, Vietnam, said of the study: "The most likely source of infection for the daughter was her father, during the period that she cared for him while he was ill. "He said “limited person to person transmission had been reported for other strains like H5N1 , H7N7, and the pig origin flu virus H3N2. Those strains had been around for more than a decade but have not progressed any further down the path towards a world-wide virus.” “Limited human-to-human transmission of H7N9 virus is therefore not surprising, but strengthening to monitor it was still needed,” Dr Horby added.What’s the main idea of the passage ?
| A．The findings about H7N9 transmission only between father and daughter . |
| B．H7N9 transmission may be spreading between people . |
| C．133 cases of H7N9 transmission have been reported . |
| D．Both the father and daughter died of multiple organ failure. |
The reason why the daughter died of multiple organ failure was that _____.
| A．she fell ill with a very high temperature, cough and fever. |
| B．she was exposed to live poultry before falling ill. |
| C．she had close contact with the father while caring for her sick father . |
| D．she sold live birds in five to six days before falling ill . |
Which of the following is Wrong about H7N9 transmission?
| A．It was limited and non-sustainable |
| B．It was person to person transmission |
| C．It wasn’t progressed any further down the path towards a world-wide virus. |
| D．It happened between father and daughter . |
The underlined word s “was deemed” in paragraph 2 probably means _______
| A．was decreased | B．was regarded as |
| C．was thought of | D．was developed |
What type of writing is the article likely to be ?
| A．A news report. | B．Popular science. |
| C．A medical report | D．A medical findings |
America’s No.1 health problem? A report published by the American Institute of Stress claims the biggest threat to health today is neither cancer nor AIDS. The report says: “It has been estimated that75-90 percent of all visits to primary care physicians are for stress related problems”
It is no exaggeration to say that people today are being attacked by stress. According to the National Consumers League, “ Work is the top source of stress for adults who have problems and stress in their lives (39%),followed by family (30%).Other sources include health (10%), concern about the economy (9%)and concern about international conflict and terrorism (4%).”
However , stress is hardly unique to the United States .A British survey in 2013 estimated that “over half a million individuals in Britain believed in 2012 that they were experiencing work –related stress at a level that was making them ill .” As a result of “work –related stress, depression or anxiety ,”there are “an estimated thirteen and a half million reported lost working days per year in Britain .”\
The picture is no less bleak (荒凉的) in mainland Europe .According to the European Agency for Safety and Health at Work , “work-related stress has been shown to affect millions of European Workers across all types of employment sectors .” One survey revealed that there are “about 41 million workers affected by work-related stress each year.”
What about Asia ? A report issued by a conference held in Tokyo concluded: “ Job stress is a common concern among many countries in the world , both developing and industrialized countries .” The report observed that “several countries in East Asia , including China and Korea, have rapidly industrialized and economically grown .These countries now have a lot of concerns on job stress and its harmful effects on workers’ health.”What did the author indicate by quoting “America’s No.1 Health Problem.” (Para. 1)?
| A．He wanted to talk about health problems in America. |
| B．He meant to introduce the topic of stress |
| C．He hoped to emphasize the stress in America |
| D．He wanted to tell readers something about American Institute of Stress |
Which of the followings is NOT true?
| A．The threat of work-related stress is bigger than cancer and AIDS. |
| B．Stress is always from working and living pressure. |
| C．Some Americans care about international conflict and terrorism. |
| D．A lot of English people become ill as a result of stress. |
We can infer from the last paragraph that ______.
| A．Asian people are more willing to develop their countries |
| B．the rapid economic development is the main reason for stress |
| C．some people in Asian countries have health problems from employment stress |
| D．Asian countries have a better situation of stress than Europe |
It is likely that you’ll read this information in ______.
| A．Popular Science | B．New York Medical News |
| C．Daily Health Report | D．Medicine and Healthcare Journal |
What’s the best title for this passage ?
| A．America’s No.1 Health Problem | B．How to Deal with Stress |
| C．Attacked by Stress | D．Working Stress around the World |
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