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[originaltext] Influenza, or the flu, attacks up to one billion people annua
[originaltext] Influenza, or the flu, attacks up to one billion people annua
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2024-04-29
31
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问题
Influenza, or the flu, attacks up to one billion people annually. In the U.S., it kills 20, 000 annually, most of whom are children or elderly. Occasionally the flu becomes widely spread: in 1918, it killed 20 million people worldwide.[32]The flu is a very infectious viral infection spreading through the air by coughing, sneezing, or simply talking. It is not caused by getting caught in a rainstorm or by sleeping with the fan or air-conditioning on.
The period before the symptoms appear is about three days.[33]It doesn’t sneak up on you, like a cold does. All of a sudden, you feel weak, you have a high fever, you have chills, you cough frequently and forcefully, your throat is sore, and your body aches.
For most adults, the treatment is to simply wait it out: stay home, get lots of bed rest, drink lots of fluids, and take over-the-counter medications such as aspirin, painkillers, and so on. Symptoms usually go away within two weeks. For the elderly and young, the initial viral, infection may become a bacterial infection with deadly consequences, because the victim becomes too weak to battle the disease. The death rate for the general population is about one in 1,000.[34]Those most susceptible to severe effects of the flu are people over 65 and people with chronic heart or lung problems, such as asthma.
Flu season in the U. S. is usually from December to March.[35]The best prevention, of course, is to stay away from infected people. Since that is almost impossible, the next best preventive strategy is to get an annual flu shot. This vaccine reduces the number of people who get infected — and who die — yearly.
32. What might the flu be caused according to the passage?
33. How does the flu differ from a cold, according to the passage?
34.Which of the following victims might suffer from the severe effects of the flu?
35.What is the most effective way to prevent getting the flu?
选项
A、The period before the symptoms of the flu appear is longer.
B、The symptoms of the flu develop suddenly.
C、The symptoms of the flu go away quickly.
D、The infected objects of the flu are usually the birds.
答案
B
解析
细节题。文中提到,流感与感冒不同,它不是慢慢潜入(sneak up)你的身体,而是会突然发病(All of a sudden),并列举了一系列症状,由此可知流感的症状会突然间发作,故答案为[B]。
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