“Get your hands off me; I have been stolen,” the laptop, a portable computer, shouted. That is a new solution to laptop computer theft: a program that lets owners give their property a voice when it has been taken.

    The program allows users to display alerts on the missing computer's screen and even to set a spoken message. Tracking software for stolen laptops has been on the market for some time, but this is thought to be the first that allows owners to give the thief a piece of their mind.

    Owners must report their laptop missing by logging on to a website, which sends a message to the model: a red and yellow “lost or stolen” banner pops up on its screen when it is started. Under the latest version of the software, users can also send a spoken message.

    The message can be set to reappear every 30 seconds, no matter how many times the thief closes it. “One customer sent a message saying, 'You are being tracked. I am right at your door', said Carrie Hafeman, chief executive of the company which produces the program, Retriever.

    In the latest version, people can add a spoken message. For example, the laptop's speaker will say: “Help, this laptop is reported lost or stolen. If you are not my owner, please report me now.”

    The Retriever software package, which costs $29.95 but has a free trial period, has the functions of many security software programs. Owners can remotely switch to an alternative password if they fear that the thief has also got hold of the access details.

    If a thief accesses the Internet with the stolen laptop, Retriever will collect information on the Internet service provider in use, so that the police can be alerted to its location.

    Thousands of laptops are stolen every year from homes and offices, but with the use of laptops increasing, the number stolen while their owners are out and about has been rising sharply.

    Other security software allows users to erase data remotely or lock down the computer.

    You may think there are no differences between British and American people. After all, they speak the same language, don't they? If you ask a British or an American person, he will probably tell you that there are differences. And the differences are quite great.

    What do British people think American people are like? The British think American people are very strange. They make a lot of noise and they laugh too loudly. They are rich, and they only think about money. But the British do say that American people are kind friendly people. They're happy to help you if you are in trouble.

    What do Americans think of the British? Well, they think the British are cold and very unfriendly. They are not interested in success or in making lots of money. They think British is the best country in the world. They look down on other countries. But Americans say that the British are quite hard workers. They are brave and honest. And in time of trouble they face difficulties happily.

    You can see that these ideas can cause misunderstanding between the British and Americans. But when American and British people become friends, they usually find things are not as bad as they expected.

    Do you ever wonder why trees begin to bud (发芽) earlier in some cities? Scientists finally found the answer but it's not very pleasant. New science suggests a relationship between light pollution and the timing when trees produce buds, which signals the arrival of the spring season.

    Light pollution is defined by the Lighting Research Center as the unwanted consequence of outdoor lighting such as street lights. Excessive (过多的) man-made light at night results in disturbed natural cycles, and also prevents the observation of stars and planets at night. But its effect on the environment goes beyond that.

    By studying some trees, researchers found out that trees that are more exposed to artificial lighting at night bud up to 7.5 days earlier than those at the natural nighttime setting. And they found out that light had a more significant effect than temperature when the buds came out. The early budding may cause problems for insects, which feed on leaves, and the birds which then feed on them in turn. Professor Richard French Constant, who helped lead the research, explained that more than the budding of trees, the study implies the danger to the balance of the ecosystem. “At the moment, caterpillars (毛毛虫) are timed to hatch to make the most of the opportunities to feed on freshly budded leaves, and birds hatch in time to feed on the young caterpillar,” he said.

    Migratory (迁徙的) birds are also negatively affected by light pollution. The glare might confuse them and make them lose their flying sense. The phenomenon might explain why some birds accidentally knock into buildings.

    Such results stress the need to pursue studies that aim to measure the effect of light pollution. If the issue were left to continue, it is estimated that by 2100, spring would begin almost a full month earlier than it does today.

    Overheated property markets in major cities have started to cool down after authorities took measures against speculative buying and a potential home market bubble. However, a long-term effort is needed to make the market stable and sustainable, analysts said.

    Last month, new home prices dropped in seven cities, compared with six in September, according to the National Bureau of Statistics, which monitors housing prices in 70 cities nationwide. In Shenzhen, where housing prices rocketed by more than 30 percent in the past several months, prices declined by 0.5 percent in October.

    “After first-tier cities and some key second-tier cities launched cooling measures, home prices have obviously become stable,”Liu Juanwei, NBS senior statistician, wrote in a note posted on the NBS website.

    Beijing, Tianjin, Shanghai, Xiamen and Zhengzhou began to see home prices switching from rising to dropping in the second half of October, with average prices down by between 0.1 percent and 0.4 percent compared with the first half of the month, he noted.

    Housing authorities in more than 20 cities have launched various measures against speculative buying to curb rapid home price growth, including setting stricter requirements for qualified buyers and limits on buying second and third homes.

    Yan Yuejin, an analyst with property research agency E-House China R&D Institute, said the residential property market is “digesting these policies and measures gradually, and it is likely for the market to have rational and stable prices in the near future.”

    Ma Junwei, an analyst with Deyi Realty in Shanghai, said it will require a long-term effort by regulators and local authorities to battle speculative buying while keeping supplies stable for buyers with solid demand, including those who plan to buy their first home or upgrade their housing.

    In Shanghai, real estate agents said that they have noticed that homebuyers have become more rational. “Buyers are starting to take their time and study their options. They will compare prices, designs and locations and bargain with sales representatives,”said Luo Dingjun, sales manager at Jinyu Property Marketing.“This was not the case two months ago, when they rushed to buy for fear that if they hesitated, prices would grow too fast and they would no longer be able to afford. ”

    People living in the country enjoy several advantages that people living in the city cannot enjoy.

    They are in close contact (接触)with nature. They make friends with trees and stones. They breathe fresh air. They fight with strong winds. They listen to the song of birds. This contact with nature is good for health. There are many diseases that are common in the city, but are not to be found in the country. For example, near­sightedness is almost unknown to country people. Because of the absence of cars, one can walk more freely in the country than in the city. There are no rules of the road nor traffic signs to obey. People living in the country can easily get fresh vegetables, fresh fruit and fresh milk, and they get them at lower prices than in the city. Country life is economical (节俭的)in other ways, too. There are practically no temptations to waste money.

    Country people are mostly honest. They say what they mean, and make and keep promises with sincerity (诚意). They do not put on air (摆架子). They do not pretend to have those ridiculous (荒谬的)manners which are necessary in what we call polite society.

It was the early 1950s, and I was a member of the A class at Armidale Senior High School in norther New South Wales. 

In the second and third years we all did General Maths, and our teacher was Mrs Lindsay-Clare Lindsay. Her arrival at our classroom was always quick, "Good morning everyone!" Then our books would be out, and we would watch her closely. 

I've thought a lot about Clare Lindsay over the years. What was her special magic? There are two reasons and I think they're necessary for all excellent teachers. She loved her subject, and she loved us, in a patient and objective way. She had no favorites that I can remember, and she called us all by our first names pleasantly She had a way of teaching that I loved. 

"Now we could go down this path couldn't we? We could argue this, and then this, but that doesn't work because of this. No Can Do(NCD)!" She would put a big cross, and write" NCD" against what she had put down. "Right! Why not go down this new path?" And she would show us that this new way worked. It was fun. We, whether the poor students or the skilled, all did well because of her. I've never found maths difficult, and I_put_that_skill_down_to_her. 

In the fourth and fifth years,we were divided into the science and arts streams(按学生能力划分的班级), and Mrs Lindsay didn't teach us any more. But as the Leaving Certificate exams were coming, one of my friends became nervous about how much maths he didn't know. With great courage, he went to see Mrs Lindsay, and asked if she would help him prepare for his General Maths paper. "Of course!" she said, and did just that, after school, in her own time. He passed. What a good teacher!