[考研类试卷]考研英语(阅读)模拟试卷483及答案与解析.doc
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1、考研英语(阅读)模拟试卷 483 及答案与解析Part B (10 points) 0 Smoking, inhalation and exhalation of the fumes of burning tobacco. Leaves of the tobacco plant are smoked in various ways. After a drying and curing process, they may be rolled into cigars or shredded for insertion into smoking pipes. Cigarettes, the most
2、 popular method of smoking, consist of finely shredded tobacco rolled in lightweight paper. About 50 million people in the United States currently smoke an estimated total of 570 billion cigarettes each year. But, is smoking a good habit?1. Increased risk of cancerSome experts noticed that lung canc
3、er, which was rare before the 20th century, had increased dramatically since about 1930, The American Cancer Society and other organizations initiated studies comparing deaths among smokers and nonsmokers over a period of several years.2. More deaths from other diseasesSmokers also run greater risk
4、of dying from diseases apart from cancers.3. Cigar and pipe smoke, as dangerousCigar and pipe smoke contains the same toxic and carcinogenic compounds found in cigarette smoke.4. The effect of environmental tobacco smokeRecent research has focused on the effects of environmental tobacco smoke(ETS),
5、that is, the effect of tobacco smoke on nonsmokers who must share the same environment with a smoker.5. Addiction at an early ageThe smoking habit and addiction to nicotine usually begins at an early age. This has led to particular concern over smoking in teenagers and young adults.There is no need
6、to kill innocent human beings. Restricting tobacco use may be the only answer to a healthy world. Tobacco is harmful not only to us, but to the people in surrounding areas. Tobacco use has been passed on from generation to generation. It is now time to put a ban on smoking. With the help of thousand
7、s of people, smoking can be controlled. Now it is the time to start a tobacco battle. Smoking needs to become extinct worldwide.AA report by the National Cancer Institute concluded that the mortality rates from cancer of the mouth, throat, larynx, pharynx, and esophagus are approximately equal in us
8、ers of cigarettes, cigars, and pipes. Rates of coronary heart disease, lung cancer, emphysema, and chronic bronchitis are elevated for cigar and pipe smokers and are correlated to the amount of smoking and the degree of inhalation.BIn the United States, more than 70 percent of adults began smoking b
9、efore the age of 18. From the early to mid-1990s the proportion of teenage smokers in the United States rose from one-quarter to one third, despite increasing warnings about the health hazards of smoking and widespread bans on smoking in public places. In 2001 surveys of students in grades 9 through
10、 12 found that more than 38 percent of male students and nearly 30 percent of female students smoke. Although black teenagers have the lowest smoking rates of any racial group, cigarette smoking among black teens increased 80 percent in the late 1990s.CIt is estimated that cigarettes are responsible
11、 for about 431, 000 deaths in the United States each year. Lung cancer accounts for about 30 percent of all cancer deaths in the United States, and smoking accounts for nearly 90 percent of lung cancer deaths. The risks of dying from lung cancer are 23 times higher for male smokers and 13 times high
12、er for female smokers than nonsmokers. Additionally, smokers are at increased risk for cancer of the larynx, oral cavity, esophagus, bladder, kidney, and pancreas.DResearch has shown that mothers who smoke give birth more frequently to premature or underweight babies, probably because of a decrease
13、in blood flow to the placenta.EThe United States Environmental Protection Agency(EPA)estimates that exposure to the environment that contains all the toxic agents exhaled by a smoker, causes 3, 000 cancer deaths and an estimated 40, 000 deaths from heart disease per year in nonsmokers. Secondhand sm
14、oke can aggravate asthma, pneumonia , bronchitis, and impaired blood circulation.FSmoking causes a fivefold increase in the risk of dying from chronic bronchitis and emphysema, and a twofold increase in deaths from diseases of the heart and coronary arteries. Smoking also increases the risk of strok
15、e by 50 percent40 percent among men and 60 percent among women.5 Have you ever considered what makes a good boss good? The answer to that question is admittedly mercurial, as one persons view of a top-notch employer will differ from somebody elses. However, there are a number of traits, attitudes an
16、d abilities that are common to all good bosses. Moreover , the need for solid leadership skills is especially telling with smaller businesses.“Being a good boss is important in any organization, but its particularly important for small business“, says Rob Sheehan, director of executive education at
17、the James MacGregor Burns Academy of Leadership at the University of Maryland. “With smaller businesses, you really have the opportunity to set the tone for the entire company.“Bearing in mind the importance of good leadership to business, consider the following lineup of skills, strategies and attr
18、ibutes: 1. Be inclusiveWith a smaller operation, its essential that everyone feels like an equal and involved part of the team. A good employer is certain to treat each employee fairly, not only in terms of salary and other forms of compensation, but also in how that employee is involved in the dail
19、y function of the business. Encourage feedback, innovation and creativity so employees feel genuinely engaged.2. Mission, not just moneyVery few businesses operate out of sheer altruism, but thats not to say that turning a profit is the primary philosophical and practical focus. Rather, an effective
20、 boss establishes a genuine business mission. How that takes shape depends both on the business and on the overriding focus the boss wants to set.3. Nothing to fear but fear itselfMany of us have had bosses who would be right at home with a knife next to their desk calendars. Make one mistake on the
21、 job and feel free to slip your head right in beneath the blade. Conversely, an effective boss encourages his or her employees not to be gun shy about occasional chaos along the road toward better job performance.4. It s their careers, tooDont forget that the people who work for you are looking to y
22、ou to help them navigate and advance their careers. As I said, its not all about money. But it is all about making your employees see how to improve and create meaningful careers for themselves.5. Made, not necessarily bornOne final aspect of being a good boss is recognizing that much of what goes i
23、nto being an effective leader is, in fact, learned behavior. Of course, there always have been and will be bosses who seem to have a flawless touch in leading and motivating. But for every natural, there are just as many top-flight bosses who got that way by attending management classes and seminars
24、, reading books on effective leadership and, just as important, understanding that a good employer naturally attracts first-rate employees.A“Its important to use that different perspective to educate and encourage. But its also important, like a good coach, to lead your team by example. For instance
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