[外语类试卷]大学英语六级模拟试卷292及答案与解析.doc
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1、大学英语六级模拟试卷 292 及答案与解析 一、 Part I Writing (30 minutes) 1 Directions: For this part, you are allowed to write a short essay entitled College Students Making Money. You should write at least 150 words following the outline given below. 1. 大学生兼职工作的现象 2大学生兼职工作的原因 3我的观点 二、 Part II Reading Comprehension (Sk
2、imming and Scanning) (15 minutes) Directions: In this part, you will have 15 minutes to go over the passage quickly and answer the questions attached to the passage. For questions 1-4, mark: Y (for YES) if the statement agrees with the information given in the passage; N (for NO) if the statement co
3、ntradicts the information given in the passage; NG (for NOT GIVEN) if the information is not given in the passage. 1 When to Worry About a Fever THE PANICKED CALL woke Dr. Suzanne Corrigan at 2 a. m. A woman cried, “My child has a high fever. What should I do?“ The Irving, Texas, pediatrician quickl
4、y asked: How old is the youngster? How high is the fever? “It turned out that the fever measured 101 degrees rectally the equivalent of 100 degrees orally,“ says Corrigan. “And the baby, a 15-month-old, had fallen back to a peaceful sleep.“ The mother had worried that the fever might go up quickly i
5、f she didnt wake the child to give medication. Corrigan reassured her that the fever was mild and simply the bodys natural response to fighting off an invader, most likely a aims The doctor advised her to let the baby sleep, unless other symptoms appeared. “Like many people, this mother mistakenly a
6、ssume that having a fever means youre seriously ill,“ says Corrigan, of the American Academy of Pediatrics. “I tell patients that fever itself isnt an illness. Its how the body revs up the immune system to defend against infection.“ An unreasonable fear of elevated temperature, a common reaction, is
7、 called “fever phobia“ by Dr. Barton D. Schmitt, professor of pediatrics at The Childrens Hospital in Denver. Few people, says Schmitt, realize that fever itself is rarely dangerous, and by treating it aggressively with aspirin or acetaminophen, they may actually slow recovery. Here are six surprisi
8、ng facts about fever you should know to protect yourself and your family. 1 The concept of 98.6 as the bodys “normal“ temperature is out of date. Says Dr. Philip A. Mackowiak of the University of Maryland School of Medicine: “The normal temperature is actually a range rather than one single number.
9、And theres a great deal of individual variation.“ The bodys natural circadian rhythms prompt daily temperature fluctuations of about one degree Fahrenheit, but some people have oscillations as wide as 2.4 degrees or as narrow as 0.1 degree. Children tend to have slightly higher normal temperature th
10、an adults and are more likely to run high fevers in response to infection. Elderly people tend to have lower body temperatures than younger adults. Ordinary actions can raise temperature: digesting a big meal, being in the sun, prolonged crying in babies, exercise. But body temperature rarely rises
11、higher than about 106. 5 degrees with two main exceptions: a trauma or turner that damages the hypothalamus (the part of the brain controlling temperature), and, more commonly, heat stroke, which must be treated immediately to prevent damage to body organs, or death. 2 Taking medication to lower a f
12、ever may prolong illness. Heres how fever works: When white blood cells recognize an intruder, they release proteins that travel to the hypothalamus and prompt it to raise the bodys thermostat. The body reacts to this by generating heat, often through shivering. “Many immunological functions appear
13、to be more efficient at a higher temperature,“ says pediatrician Timothy Doran of The Johns Hopkins University School of Medicine. “And some bacteria and viruses dont grow as well at higher temperatures.“ Recent studies show that when animals are exposed to bacteria but prevented from running a feve
14、r, many die of infections they might have survived. Doran researched children with chickenpox, and found that “it took those who were given acetaminophen about half a day longer to recover“ than it did those whose fevers where untreated. While most people are probably better off not suppressing feve
15、rs that cause no discomfort, there are exceptions. Coronary patients and those with such chronic conditions as arthritis and diabetes should contact a. physician immediately. To balance the risks and benefits of treating fever, a lot depends on the patients comfort. “Data show that fever does good,
16、but it also can cause real discomfort - usually beginning at around 101.5 degrees,“ says Dr. Allen Mitchell, professor of public health at Boston University School of Medicine. “If a fever is making you achy and miserable, many doctors recommended taking a medication such as aspirin, acetaminophen,
17、or ibuprofen.“ But cautions Mitchell, never use aspirin to treat fever in children or adolescents, since it increases the risk of the rare, potentially fatal condition called Reyes syndrome. 3 A fever doesnt necessarily mean a serious illness. “Im mush more concerned about a non-responsive child wit
18、h a temperature of 101 degrees than a playful child with a temperature of 104 degrees,“ says Erdenheim, Pa. , pediatrician Daniel Hyman. “Watch how the patient looks and acts, instead of relying only on the thermometer.“ This is particularly important with newborns and the elderly, since their immun
19、e systems may not be fully functional and they often wont run a fever even when very iii. Fortunately, nature gives other indicators of infection, A sick infant may stare and have grayish skin or cold limbs. In the frail elderly, look for tiredness and mood change. 4 “High“ fevers rarely cause brain
20、 damage or death. A temperature needs to soar over 106.5 degrees, and thats unlikely, before there is risk of brain damage. Yet when Dr. Schmitt surveyed parents, he discovered that most thought a temperature of 104 degrees or less can cause serious neurological side effects, including brain damage.
21、 His study revealed that more than half of parents gave fever-reducing medicine for temperatures of 98.6 to 100 degrees - which are possibly normal. “Some people get frantic,“ says Schmitt, “if medication wont get the temperature down to 98.6. Yet a correct dose will only bring a temperature down by
22、 two or three degrees, so if you start at 103, the most you can expect is to bring it down to 100.“ To counter fever phobia, Schmitt says physicians and nurses “need to tell parents the main reason for treatment is to help the child feel comfortable, not to prevent harm.“ 5 If youre sick, theres no
23、need to take your temperature frequently. “The time to take a temperature is when your health-care provider asks you,“ says Dr. Michael Rothenberg, co-author of Dr. Spocks Baby oral temperatures are preferred for older children and adults. A rule of thumb from Dr. Boyd Shook of the Central Oklahoma
24、Medical Group in Oklahoma City: “Unless your doctor tells you, never wake someone to take a temperature or give fever medication. Sleep is very valuable to someone who is sick.“ 6 If you have a fever, you dont to stay in bed. Sleep if, you want to, but dont feel compelled. “Getting in bed and coveri
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