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Library is a collection of books and other informational materials made available to people for reading, study, or reference. The word library comes from liber, the Latin word for “book”. (1)_____, library collections have almost always contained a variety of materials. Contemporary libraries maintain collections that include not only printed materials such as manuscripts, books, newspapers, and magazines, but also audio-visual and online databases. In addition to maintaining collections within library buildings, modern libraries often feature telecommunications links that provide users with access to information at remote sites.The central mission of a library is to collect, organize, preserve, and provide access to knowledge and information. In fulfilling this mission, libraries preserve a valuable record of culture that can be passed down to (2)______ generations. Libraries are an essential link in this communication between the past, present, and future. Whether the cultural record is contained in books or in electronic formats, libraries ensure (3)_______ the record is preserved and made available for later use. People use library resources to gain information about personal interests or to obtain recreational materials such as films and novels. Students use libraries to supplement and enhance their classroom experiences, to learn (4)______ in locating sources of information, and to develop good reading and study habits. Public officials use libraries to research legislation and public policy issues. One of the most valued of all cultural institutions, the library (5)_______ information and services that are essential to learning and progress
NOISE POLLUTIONNoise is more than a mere nuisance. At certain levels and durations of exposure, it can cause physical damage to the eardrum, and (1)_____ in emporary or permanent hearing loss. In addition to causing hearing loss, (2)_____ noise exposure can also (3)______ blood pressure and pulse rate, cause irritability, anxiety, and mental fatigue, and interfere with sleep, recreation, and personal communication. Noise pollution control is, (4)______ , of importance in the workplace and in the community. Noise effects can be (5)_____ by a number of techniques, for example, increasing the distance or blocking the path between the noise source and the recipient, reducing noise level at the source, and protecting recipients with earplugs or earmuffs
Before the 1960’s, Singapore was essentially a trading nation. Since (1)_____ , it has developed a more (2)_____ economy and has become an important financial, trade, and transportation center. Singapore has many banks, (3)_____ firms, and finance companies, as (4)_____ as a stock exchange. Tourism is also important to the economy of Singapore. There is little unemployment in Singapore. The country’s annualincome per capita (per person) is one of the highest in Asia. The government of Singapore plays a major role in the country’s economy. For example, it decides what benefits, such as vacation time and sick leave, must be provided for workers by employers. It also operates an employment agency to help people find jobs, and it provides (5)______ for retired workers
CRITICISMIt can take a long time to become successful in your chosen field, however talented you are. One thing you have to be aware of is thatyou will face criticism along the way. The world is full of people who would rather say something negative than positive. If you’ve made up your (1) to achieve a certain goal, such as writing a novel, don’t let the negative criticism of others prevent you from reaching your target, and let the (2) criticism have a positive effect on your work. If someone says you’re totally lacking in talent, ignore them. That’s negative criticism. If, (3) , someone advises you to revise your work and gives you good reasons for doing so, you should (4) their suggestions very carefully. There’re many movie stars who were once out of work. There’re many famous novelists who made a complete trash of their first novel – or who didn’t, but had to put off approaching hundreds of publishers before they could get it published. Being successful does depend on luck, to a (5) . But things are more likely deal with well if you persevere and stay positive.
MODERN SCIENCEIt seems entirely natural to us that there are teams of scientists in universities and (1)_____ institutions around the world, attempting todiscover the way the world works. (2)_____ , it hasn’t always been that way. Although the scientific method is now four or five hundred years old, the ancient Greeks, for example, believed that they could (3)_____ the causes of natural events just by the power of thought. During the 17 century, more and more people began to realize that they could test their scientific ideas by designing a relevant experimentand seeing what happened. A lot of (4)_____ was made in this way by individual scientists. These men and women often worked alone,carrying out research into many different areas of science, and they often received very little (5)_____ for their hard work. At the start of the20 century, thought, it became clearthat science was becoming more complicated and more expensive. This individual scientist disappeared,to be replaced by highly qualified teams of experts. Modem science was born.
Alligators have always been the most dangerous predators of the Florida Everglades, (1) .................. their long-held position is now beingchallenged by a growing population of Burmese pythons. The Burmese python, a giant snake measuring up to 20 feet long and weighing up to 200 pounds, is very popular among exotic pet owners. However, as the (2) snakes grow, they become more difficult to cafe and handle. To avoid dealing with the snakes, the owners irresponsibly release them into the wild. (3) the Everglades is quite similar to the python’s native environment of Southeast Asia, they survive and prosper without difficulty. The issue with the Burmese pythons is their choice of meals. They eat alligators and endangered birds, which creates a strain on an already (4) ecosystem. Recently a 13-foot long Burmese python was found with a 5-foot alligator bursting from its stomach. They python died trying to eat the alligator but a larger one would have easily won the struggle. With over 30,000 Burmese pythons now living in the Everglades, a solution to stop this invasive species is necessary. If the pythons are (5).................. unchecked, there is a strong possibility they will wipe out a variety of species necessary for the functioning of the Everglades ecosystem.