Across countryside, non-food crops are growing alongside wheat．Some are used in new alternatives to plastics and other materials, but others will simply be burned．
Burning crops is becoming more popular because it is good for the planet．Doing so is also cheaper than burning fossil fuels．As more land is devoted to non-food crop production, the economics of crops for fuel are likely to become even more favorable．
Humans have been burning such biomass—organic materials from plants or animals— since they discovered fire．But that burning fossil fuels could have catastrophic consequences has brought biomass back into fashion．
Even allowing for emissions (排放) of carbon dioxide from fuel used in planting, harvesting, processing and transporting biomass fuel, replacing fossil fuel with biomass can typically reduce greenhouse gas emissions by more than 90 percent．
Power stations around the world are experimenting with forms of biomass to add to their coal or oil, with encouraging results．Indeed, power companies could profit by turning to biomass, especially when the subsidies (补助) many governments offer for using renewable energy are taken into account．
Farmers can benefit from growing biomass．In Europe, the reduction of subsidies for certain crops is exposing farmers to market forces．Instead of being paid for whatever they produce, farmers must seek a clear demand for their product．Many believe that the demand for alternatives to fossil fuels could be just such a driver．
But while biomass offers a variety of potential alternatives, the world's infrastructure (基础设施） has developed around burning fossil fuels to such a stage that switching to biomass involves a change in conception that many companies have not accepted．
Also, there are problems with using biomass．Although most coal-fired power stations could take a small amount of their fuel from biomass without significant adjustment, few are built to run on biomass alone．Burning some forms of biomass also causes environmental problems．Oils and waste can be smelly, while wood produces smoke unless burned properly．
The supply chains for fossil fuels are set up well, but those for biomass are just the beginning. Sources of supply for biomass rely on farm production and can therefore be less reliable. They are necessarily limited and it wouldn't make sense to turn a very large amount of valuable agricultural land away from food crops．But as the world adjusts to the need to control greenhouse gas emissions, these problems may receive more attention．What do we know about biomass?
| A．It is a useful way of burning crops． |
| B．It is plant and animal matter used to provide power． |
| C．It is a new alternative to be used widely． |
| D．It is a popular approach to fighting against pollution． |
What are the advantages of using biomass?
a．It gives off less greenhouse gases．
b．It helps farmers receive subsidies for what they produce．
c．It has met the clear demand for energy．
d．It has brought subsidies for some power companies．
e．It is cheaper than burning fossil fuels．
| A．a, b, c | B．b, c, d | C．c, d, e | D．a, d, e |
For coal-fired power stations, ______．
| A．more effective ways to use biomass have been tried |
| B．using renewable energy has become their daily task |
| C．burning biomass alone would require considerable changes |
| D．setting up dependable supply channels needs governments' support |
What is the author's attitude towards biomass fuels?
| A．Defensive． | B．Doubtful． | C．Negative． | D．Objective |
Competition between international universities is heating up, as China grows as one of the largest exporters of students aiming to study abroad. “Lots of universities are becoming more and more aggressive to attract Chinese students. Every day I receive contacts from universities in the US expressing the desire to come to China to recruit students,” said Frank Joseph, a commercial officer from embassy of the United States.
One key reason why more Chinese students are able to study abroad is the economy: With China’s boom within the past decade, more families have the financial wherewithal (资金) to send their children to international universities. There will be a total of 200,000 family-funded Chinese students studying overseas in 2011, up 20 percent from last year, said Wu Zaofeng, deputy secretary general of China Education Association for International Exchange.
International institutions, Joseph said, are also facing increasingly tough financial situation with a shortage of domestic students and a drop in government subsidies (补贴). Students, especially in the US are paying high tuition fees and living expenses. Chinese students with money to spend, according to experts, can fill up the gap. Students on average spend 150,000 yuan to 200,000 yuan every year studying in US, according to statistics from the US Institute of International Education. During 2009-2010, there were approximately 81,000 Chinese students studying in the US, up 19.8 percent from 2008.
Representatives from approximately 60 universities from the United States are planning to arrive in Beijing this weekend to attract more Chinese students at this year’s fair. Besides the US, many other countries are also vying (竞争) to enroll Chinese students.
Post-study work visa put out by British government allows all international students completing a UK degree qualification to apply for a visa to stay on and look for work in UK for up to 2 years. Being the third most popular destination for international students next to the US and the UK, France has set up two types of scholarships and has handed out an increase of 26 percent in scholarship funds to Chinese students in recent years.The reason for heating up competition between international universities is __________.
| A．that China has become one of the largest exporters of the students aiming to study abroad |
| B．China’s boom, the students’ desire and foreign universities’ commercial motive |
| C．that the students in China are becoming richer and richer |
| D．that the students in foreign countries do not want to go to universities |
Why are more Chinese students able to study abroad?
| A．Because their families have enough money to send them to international universities. |
| B．Because they can’t go to the best universities at home. |
| C．Because they want to win the scholarship of foreign universities |
| D．Because the Chinese students enjoy following others and they want to be independent. |
Which of the following statements is TRUE?
| A．In 2011 there will be 200,000 Chinese students studying in the US. |
| B．Chinese students are able to study abroad for their relatives overseas. |
| C．In 2011 there will be 200,000 state-funded Chinese students studying overseas. |
| D．There are fewer family-funded Chinese students studying abroad in 2010 than in 2011. |
From the passage we can learn that __________.
| A．the number of foreign students is becoming smaller and smaller |
| B．the international universities are short of money |
| C．there were approximately 81,000 foreign students studying in the US during 2009-2010 |
| D．the Chinese students spend more money than the American students |
I was waiting for a phone call from my agent. He had left a message the night before, telling me that my show was to be canceled. I called him several times, but each time his secretary told me that he was in a meeting and that he would call me later. So I waited and waited, but there was still no call. Three hours passing by, I became more and more impatient. I was certain that my agent didn’t care about my work, and he didn’t care about me. I was overcome with that thought. I started to shout at the phone,“ Let me wait, will you? Who do you think you are?”
At that time I didn’t realize my wife was looking on. Without showing her surprise, she rushed in, seized the phone, tore off the wires, and shouted at the phone, “Yeah! Who do you think you are? Bad telephone! Bad telephone!” And she swept it into the wastebasket.
I stood watching her, speechless. What on earth?
She stepped to the doorway and shouted at the rest of the house, “Now hear this! All objects in this room — if you do anything to upset my husband, out you go!”
Then she turned to me, kissed me, and said calmly, “Honey, you just have to learn how to take control. ” With that, she left the room.
After watching a crazy woman rushing in and out, shouting at everything in sight, I noticed that something in my mood had changed. I was laughing. How could I have trouble with that phone? Her antics helped me realize I had been driven crazy by small things. Twenty minutes later my agent did call. I was able to listen to him and talk to him calmly.Why did the author shout at the telephone?
| A．He was mad at the telephone. | B．He was angry with his agent. |
| C．He was anxious about his wife. | D．He was impatient with the secretary. |
What did the author’s wife do after she heard his shouting?
| A．She threw the phone away. | B．She shouted at him. |
| C．She called the agent. | D．She said nothing. |
What made the author laugh?
| A．His changeable feelings. | B．His wife’s suggestion. |
| C．His own behavior. | D．His wife’s sweet kiss. |
What does the underlined word “antics” refer to?
| A．Smart words. | B．Anxious feelings. |
| C．Surprising looks. | D．Unusual actions. |
WASHINGTON --- It’s a great achievement that inspires concepts of robots with consciousness and independent minds.
When people or animals get hurt, they can usually compensate for minor injuries and keep limping along, but for robots, even slight damage can make them stumble and fall. However, a recently made robot has demonstrated a new ability: it can heal its own damage.
The new robot, which looks like a splay-legged (弓形腿的), four-footed starfish, can sense injury to itself and adapt. That ability sets the new robot apart from earlier machines. Because the robot can recover from unfamiliar places.
“There is a need for planetary robotic rovers (行星机器探测车) to be able to fix things on their own,” says Josh Bongard, a professor in the Univer
sity of Vermont, who is one of the device’s creator. “Robots on other planets must be able to continue their mission without human help if they are damaged and cannot communicate their problem back to Earth.”
A typical robot functions according to a computer program, but the new robot works differently. First, sensors in its four legs observe the robot’s movements and signals to its built-in computer. From the information it collects, the robot creates its own programs that allow it to adapt to different situations. For example, when the researchers shortened one of the robot’s legs, the smart machine simply adjusted its way of walking—it used three legs instead of four.
The researchers are looking for other places to put the resilient robot to work. One spot is the ocean floor. That dark and dangerous undersea area might be a good choice for a robot that the scientists call the Starfish. “We never officially named the robot, but we usually refer to it as the Starfish, even though a real starfish has five rather than four legs,” says Bongard. “Also, a real starfish is much better than our robot at recovering from injury, because it can actually grow its legs again.” Scientists have created robots that help humans in many ways: by exploring space, fighting fires, and even performing s
urgery.The newly designed robot distinguishes itself from the former ones because it________.
| A．can communicate with people on the earth about their problems |
| B．works according to a certain computer program |
| C．can find its problems and solve them automatically |
| D．can explore unfamiliar places |
An example is given in the fourth paragraph in order to explain that the robot ________.
| A．is used to create new programs |
| B．has typical robot functions |
| C．has sensors to observe its movements |
| D．can gather information and adapt to new conditions |
Which of the following is TRUE about the robot “Starfish”?
| A．It was spoken highly of by people for its special ability. |
| B．It will stumble and fall if damaged. |
| C．It can grow its legs again once they are broken. |
| D．It has started to work on the ocean floor. |
What might be the best title of the passage?
| A．How the Starfish Robot Works |
| B．Do-It-Yourself Robot Repair |
| C．Robots Designed to Work on Other Planets |
| D．New Robot Helping Us in Many Ways |
When we think about giving help to developing countries, we often think about giving money so that these countries can build schools and hospitals, buy food and medicine, or find clean water supplies. These seem to be the most important basic needs of the people we are trying to help. However, it's far from enough. Ladies and gentlemen, we've got to come up with some better 
ideas to help them.
I was very surprised, then, when I read about a plan to make cheap laptop computers for children in developing countries. A man called Nicholas Negroponte invented a cheap laptop computer, which can run without electricity. He decided to invent this computer after he visited a school in Cambodia.
The laptop which Mr. Negroponte has designed is a little different from the normal laptop computers you can buy in the shops. One difference is that it is covered in rubber so that it is very strong and won't be damaged easily. As an electricity supply can be a problem in developing countries, the computer also has a special handle so that children can wind the computer up to give it extra power when needed.
These special laptop computers will cost less than 100 US dollars and Mr. Negroponte wants to build as many as 15 million machines in the first year of production. The idea is that these computers will help the children's education as they will be able to access the Internet. These computers might not help the people in developing countries immediately, but by improving children's education they should help people to find their own solutions to their problems in the long term.
Another idea to help children in developing countries is to recycle old mobile phones so that they can be used again. In the UK, and, probably in many other countries too, millions of mobile phones are thrown away every year. The waste created by throwing away these old phones is very bad for the environment, so it seems to be an excellent idea to recycle them. In this way we will be able to achieve two important goals at the same time. We will reduce the waste we produce and help others. In other words, we will be able to 'kill two birds with one stone', and that is always a good thing. The author gives the example of Mr. Negroponte's cheap computers _______.
| A．to show what high tech can bring us. |
| B．to illustrate the kindness of people in the developed countries |
| C．to show how to find business opportunities in developing countries |
| D．to give an example of how to help developing countries |
Which of the following statements is TRUE about Mr. Negroponte's cheap computers?
| A．His computers don’t need any power to function well. |
| B．His computers are covered with rubber so that they are very cheap. |
| C．His computers will help children in developing countries to have better education. |
| D．His computers will help people in developing countries to find all the solutions. |
Where does this passage probably come from?
| A．A magazine | B．A newspaper | C．A lecture | D．An advertisement |
“I usually put my mobile phone in my bag, and I often feel like it is ringing when there actually is no phone call. Now I always want to keep it in my hand, being afraid that I might miss important calls or messages,” Miss Liu tells her doctor.
Miss Gu, a news worker, has to take her mobile phone with her all the time so as not to miss any calls from her office or readers. Gradually, she started to experience a great “panic” about her mobile phone. “Every night when I’m about to fall asleep, I often wake up with a start, feeling that my phone is ringing. Although I’m sure that I have turned it off, I still feel that it is ringing, clearly.”
The above phenomenon is what we call “mobile-phone acouasm (幻听)”. The mobile phone has now become a “new organ” in a white collar’s daily life, and “mobile-phone acouasm” has become a common phenomenon among office workers.
According to a report of China Youth Daily, “mobile-phone acouasm ” most likely results from people’s dependency on hi-tech products. It is associated with certain professions, such as salesmen, consultants and journalists. They use mobile phones almost continuously.
Constantly being in the “stand-by” mode, the strong psychological tension gives them acouasm. Meanwhile, a large number of this year’s graduates are joining the family of acouasm suffers due to the hard job-hunting experience.
“You know that the rings are not from your phone, but you always take it out and have a look. This is subconscious (潜意识) from your body sending you a signal, telling you that you must take a break to reduce your pressure,” Professor Sun Li from Huadong Normal University explains.
There are many ways to solve the problem. The professor says that the key is to deal with pressure from work. “This is just a kind of self-protection”; the most important thing is to find out the source of your pressure. And then take part in some activities that are not related to your work. You can do anything that can relax your body and mind. According to the passage the phrase “mobile-phone acouasm” refers to .
| A．people’s being addicted to mobile phones |
| B．people’s feeling the unreal phone rings |
| C．mobile phones’ going wrong frequently |
| D．mobile phones’ disturbing people constantly |
How does “mobile-phone acouasm ” come about ?
| A．Some mobile phones are in poor quality. |
| B．Some people develop the dependency on mobile phones. |
| C．Some people listen to the music on mobile phones too much. |
| D．Something is wrong with some people’s hearing. |
What kind of people are more likely to suffer from “mobile-phone acouasm” ?
| A．Those who use mobile phones too often. |
| B．Those who like mobile phones very much. |
| C．Those who lead a busy life. |
| D．Those who lead a free life. |
What is the most important measure to deal with “mobile-phone acouasm ” ?
| A．To buy a mobile phone of good quality. |
| B．To turn off your mobile phone. |
| C．To get rid of pressure from work. |
| D．To have your ears examined regularly. |
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