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6. Although traits can be positive (intelligent; loyal) or negative (stubborn; criminal), people are more affected by how similar or different their traits are compared to those of other people. For example, if you are a fan of the Falcons sports team, you have something in common with other Falcons fans. 7. The next time you go to an event or social gathering, watch how people who are strangers at first try to find something in common with the people they meet – perhaps a shared hometown, a similar occupation or hobby, or even the same opinion about the weather that day or a current event. Finding a shared identity helps people feel comfortable and accepted. If other people share a belief or characteristic, it's easier to believe that your feelings are correct or that your characteristics are desirable. That's a major reason why people form groups such as citizens of Ankara or fans of Yao Ming or graduates of Springfield High School. 8. People don't just define themselves as who they are, however; they also define themselves as who they are not. That is to say, they aren't just fans of the Springfield High School basketball team; they are also not fans of the Pleasant Valley High School basketball team. A friendly rivalry between two sports teams isn't necessarily a bad thing, but when rivalries are taken too far or tensions arise over differences about larger social issues, the consequences can be more serious. 9. Interestingly, groups that have a lot in common sometimes form the most intense separate identities. To someone who doesn't use a computer at all, they might all seem very similar. However, debates over the best brands of laptop can become quite heated. People form different groups over whether they preferred a book or movie adaptation; which brand of cell phone they prefer; which leader in the same political party they support. States or cities that are near each other can be stronger rivals than those separated by greater distances. Rather than confirming the positive effects of social identity, these rivalries can make people feel insecure, threatened, angry, or even fearful. 10. The challenge, then, for both leaders and all of us in society is to foster the positive effects of group membership while avoiding the negative ones.【缺少答案,请补充】
1. Cholera is a disease that is transmitted by drinking water contaminated with bacteria. It leads to diarrhea, which can result in high levels of dehydration. Today, according to the World Health Organization, around three to five million people are infected with cholera. These days the disease can be successfully be treated provided that drinking water with added salt is consumed. As a result of this cheap and effective treatment, most people survive. However, the number of people that die from cholera still exceeds 100,000 every year. 2. Around the world there have been many outbreaks of cholera that have killed millions of people. During the First Industrial Revolution, the disease started to become an even bigger killer. Transported between major towns and cities by people buying and selling goods, once the disease reached a new area, many people were quickly infected, and it caused many pandemics. A pandemic is an outbreak of a disease that rapidly leads to large numbers of people being affected. As more and more people moved to cities, the infrastructure of many places did not undergo a development process at the required rate. Sewers were not built quickly enough to take human waste away, and many major rivers and other sources of water became polluted. 3. In the early days, most people thought that cholera was spread through polluted air. Known as the miasma theory, the visible effects of heavy industry understandably led people to suspect that bad air was the cause of the pandemic. The actual cause of the spread of infectious diseases - germ theory - was not yet known. This theory, suggested by Louis Pasteur, argued that small organisms, too small to see with the human eye, grow and reproduce on people, plants, and animals. However, one local doctor, John Snow, was not convinced that the miasma theory was how cholera spread. 4. Snow felt that provided cholera was a disease transmitted through the air, then it would affect people's lungs. However, it had no impact on people's breathing. Instead, it attacked people's bowels and caused very bad diarrhea. At this time in London, people did not receive a fresh water supply to their homes. They took their drinking water from the river Thames, which was also where sewage was deposited. Essentially, people were drinking their own waste. Snow proposed that cholera was actually a disease transmitted through water rather than air. Initially, unless he could gather proof, his theory was unlikely to be accepted. 5. Snow went door to door mapping out where the main outbreaks occurred. This method led him to a young child, Frances Lewis. John discovered that the mother had washed Frances' soiled clothes in a nearby cesspool, used to store human waste. Unknown at the time, this cesspool had been leaking into the main local fresh water supply, polluting it. This simple action was the cause of the outbreak of cholera in the Broad Street area. At the same time, a local workhouse with over 500 employees was not affected. Only five people working there had died. Snow believed this was because the workhouse had its own freshwater pump that was not infected. With this and other evidence, he was able to persuade the local government to close the Broad Street pump and arguably stop the pandemic. 6. Although Snow now had significant evidence to support his theory it was still not widely accepted. Many people, including doctors, still believed the water in the Thames was fresh enough to drink. In 1858, John Snow died. Later that summer, the hot weather caused the smell of the river Thames to become so bad that politicians were nearly forced to leave the Houses of Parliament. As a result, a huge sewer system was built beneath London to give people access to clean water. However, nearly a decade later, in the last area to get access to the sewer system there was another cholera outbreak. Henry Whitehead, a researcher who worked with John Snow, used this evidence and the previous examples they had gathered to propose the theory again. Finally, the theory was accepted. John Snow's words to Henry Whitehead had come true: "You and I may not live to see the day, but my name may be forgotten when it comes, but the time will arrive when great outbreaks of cholera will be things of the past; and it is the knowledge of the way in which the disease is propagated which will cause them to disappear."【缺少答案,请补充】
When we think of languages taking over others in commerce, it is easy to quickly jump to the conclusion that the world has become more global. However, this process started along with urbanization as more people moved to cities in search of work and there became a need for common languages. Usually, the one that would emerge as the most common language would be the one associated with strong, often international, economies that people wanted to trade with. Historically, the strength of the British economy around the world meant more people were speaking English. More recently, the economic power of the US has continued to push the status of the English language. This has led to the rise of English as a global language. In such a situation where just a few languages come to dominate, should we worry about the survival of other languages? 当我们想到语言在商业中取代其他语言时,很容易迅速得出结论,认为世界变得更加全球化。然而,这一过程始于城市化,随着更多人为了工作搬到城市,对通用语言的需求也随之产生。通常,那种最终成为最常用语言的语言会与强大且往往是国际的经济体相关联,人们希望与这些经济体进行贸易。从历史上看,英国经济在全球的强大意味着更多的人讲英语。最近,美国的经济实力继续推动英语的地位。这导致英语作为全球语言的兴起。在少数几种语言占主导地位的情况下,我们是否应该担心其他语言的生存?
During the Industrial Revolution, many English speakers moved to Wales and rarely learned Welsh. As a result, living amongst two languages became normal. Between 1891 and 1961, the percentage of Welsh speakers fell from just under 50% to 26% and, by the 1960s, many considered the Welsh language to be under threat. Consequently, The Welsh Language Society was founded to protect the language. Due to its campaigning, and the actions of other groups, Welsh has re-established itself and was granted the status of an official language. Education, from nursery to college, is available in Welsh. Dedicated Welsh TV channels are also broadcast. Most importantly, the trend of decline has reversed and nearly 80% of the population now report being able to speak, read, and write in Welsh. 在工业革命期间,许多讲英语的人迁移到威尔士,并很少学习威尔士语。因此,生活在双语环境中成为常态。在1891年至1961年间,会讲威尔士语的比例从略低于50%下降到26%,到1960年代,许多人认为威尔士语正处于威胁之中。因此,威尔士语协会成立以保护语言。由于其宣传活动以及其他团体的行动,威尔士语重新建立了自身地位,并获得了官方语言的地位。从幼儿园到大学的教育都提供威尔士语课程。专门的威尔士语电视频道也在播出。最重要的是,衰退趋势已经扭转,如今近80%的人口表示能够讲、读和写威尔士语。【缺少答案,请补充】