IfyouwalkinthestreetsofChinatoday,you’llquicklynoticeth...
問題詳情:
If you walk in the streets of China today, you’ll quickly notice that most young people wear glasses. In Shanghai, for instance, 86% of high school students suffer from myopia, or near-sightedness.
A new study offers one clue: near-sightedness is nearly twice as common in one part of a middle-income province of China as it is in another part of a poorer province.
“I’m worried. Of course, I’m worried,” says a Shanghai mother named Wang, who has a 4-year-old daughter. The woman’s 10-year-old nephew already has myopia, and she’s afraid her daughter will follow suit. “Sometimes when parents don’t has time to play with their children, they would throw a cellphone or an iPad to their kids to let them play,” she says. “Kids would become totally absorbed in the games. I think this is very damaging to their eyes.”
Dr. He Mingguang, a Chinese researcher, has another theory. “It’s the schooling system,” he says. “Studies suggest China’s crushing homework load is putting too much strain on kids’ eyes”, he says. A 10-year-old here eats supper on weeknights and then studies from 7:00 p. m. until 11:30 p. m. or midnight.
Changing habits in China is hard because the society is so competitive. School kids are forced to spend countless hours studying for the country’s do-or-die college entrance exam. “A lot of Chinese parents, they think, if their children fail the university gaokao they won’t have a good career.” He says.
Many Chinese children with near-sightedness don’t wear glasses and just struggle with being near-sighted. It’s not because of the cost; a pair of glasses here cost just $5. It’s because some Chinese distrust spectacles.
“Parents, teacher and even some rural doctors think wearing glasses will harm kids’ eyes,” says Dr. Nathan Congdon. “ In rural China, only about one-sixth of the kids who need glasses actually have them.”
Congdon hopes to change minds and persuade the government to provide more glasses to kids. That way, at least, they’ll be able to read a blackboard.
24. The new study suggests that near-sightedness is related to ______.
A. diseases B. ages C. geography D. economy
25. What does He Mingguang think the cause of near-sightedness?
A. Kids spend too much time doing homework.
B. Kids watch an iPad many times a day.
C. Kids plays too many games on a cellphone.
D. Kids have no time to play with other children.
26. The underlined phrase “follow suit” may mean _______.
A. work harder B. become near-sighted
C. become addicted to games D. play with an iPad
27. Why won’t most kids in Chinese countryside wear glasses?
A. They find it not cool to wear glasses.
B. They can’t afford to buy a pair of glasses.
C. They think glasses may make their vision worse.
D. They wait for the government to offer them glasses.
【回答】
DABC
知識點:閱讀理解
題型:閱讀理解
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一個質量為4kg的物體靜止在足夠大的光滑水平地面上.從t=0開始,物體受到一個大小和方向週期*變化的水平力F作...
問題詳情:一個質量為4kg的物體靜止在足夠大的光滑水平地面上.從t=0開始,物體受到一個大小和方向週期*變化的水平力F作用,力F的變化規律如圖所示.則( )A.t=2s時物體沿負方向運動的位移最大B.t=4s時物體運動的位移達最小值C.每個週期內物體的速度變化為一定值D.從t=0開...
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如圖,形狀相同、大小相等的兩個小木塊放在一起,其俯檢視如圖所示,則其主檢視是( ).
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用若干個體積為1的正方體搭成一個幾何體,其正檢視、側檢視都是如圖所示的圖形,則這個幾何體的最大體積與最小體積的...
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