题目内容
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A．Passengers in the car may be seated facing one another.
B．The front seats will face forward and the back seats backward.
C．Special seats will be designed for children.
D．More seats will be added.
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| She knew it was time to go off duty because the clock had just____twelve the time she goes home for lunch. A hit B beaten C touched D struck |
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 quickly 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 if she didn't wake the child to give medication. Corrigan reassured her that the fever was mild and simply the body's natural response to fighting off an invader, most likely a virus. The doctor advised her to let the baby sleep, unless other symptoms appeared.
"Like many people, this mother mistakenly assume that having a fever means you're seriously ill," says Corrigan, of the American Academy of Pediatrics. "I tell patients that fever itself isn't an illness. It's how the body revs up the immune system to defend against infection."
An unreasonable fear of elevated temperature, a common reaction, is called "fever phobia" by Dr. Barton D. Schmitt, professor of pediatrics at The Children's 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 surprising facts about fever you should know to protect yourself and your family.
1. The concept of 98.6 as the body's "normal" temperature is out of date.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. And there's a great deal of individual variation."
The body's 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 than 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 higher than about 106. 5 degrees with two main exceptions: a trauma or tumor 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 fever may prolong illness.
Here's how fever works: When white blood cells recognize an intruder, they release proteins that travel to the hypothalamus and prompt it to raise the body's thermostat. The body reacts to this by generating heat, often through shivering. "Many immunological functions appear 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 don't grow as well at higher temperatures.
Recent studies show that when animals are exposed to bacteria but prevented from running a fever, 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 were untreated.
While most people are probably better off not suppressing fevers 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 patient's comfort. "Data show that fever does good, but it also
A．Y
B．N
C．NG
W: They weren't at all boring.
Q: What does the woman think of the lectures？
(16)
A．The lectures were all boring.
B．Not all the lectures were interesting.
C．The lectures were rather interesting.
D．The lectures were just so so.
Directions: In this section, you will hear 3 short passages. At the end of each passage, you will hear some questions. Both the passage and the questions will be spoken only once. After you hear a question, you must choose the best answer from the four choices marked A, B, C and D.
听力原文： Many Americans are moving to big cities. At the same time, many Americans are leaving the cities and looking for the "good life" in the country. Although they think they know what they want, they don't always find it.
Unless you know something about small-town life, you may be in for some big surprise. There are not so many job opportunities there. People are not always happy about having newcomers move in. They like to keep things the way they are. And although there is usually a movie theater and a couple of restaurants, there isn't a lot to do at night.
But if you're looking for a more relaxed way of life, if you want to save money, and if you can make your own good times, small-town life may be for you. Before you decide whether or not to leave the city, spend a couple of weeks in a village. Look around and talk to people. Think what it would be like to live there fifty two weeks a year. And then, if you're sure, you can make the big move.
(27)
A．Because life in the country is more interesting.
B．Because they are in search of the "good life."
C．Because there are more job opportunities.
D．Because people there are very kind to the new comers.
B．He was stopped and fined by a policeman.
C．He had lost his way through London streets.
D．He had to drive through the busy streets in London.
B．To read simple sentences.
C．To copy out from the textbooks.
D．To do all of the above.
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