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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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2024-05-01
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问题
Influenza, or the flu, attacks up to one billion people annually. In the US, 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. (26)The flu is a very infectious viral infection spread 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. (27)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, pain-killers, 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. (28)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 US is usually December to March. (29)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.
26. Q: What might make a person infected with flu?
27. Q: How does flu differ from cold?
28. Q: What kind of people might suffer the severe effects of the flu?
29. Q: What is the best way to prevent yourself from flu?
选项
A、The inactive period of flu is longer.
B、The symptoms of flu develop suddenly.
C、The symptoms of flu are lighter.
D、The flu is harder to catch.
答案
B
解析
文中提到,流感与普通感冒不同,突然你会觉得虚弱,发高烧,发抖,频繁咳嗽地很厉害,嗓子发酸,浑身疼。它会突然发病,故选B)项。
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