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  3. They put on their headphones, drape a hood over their head and drift off into the world of "digital highs." Videos posted on You

They put on their headphones, drape a hood over their head and drift off into the world of "digital highs." Videos posted on You

admin2013-07-20  10
问题     They put on their headphones, drape a hood over their head and drift off into the world of "digital highs." Videos posted on YouTube show a young girl freaking out and leaping up in fear, a teenager shaking violently and a young boy in extreme distress. This is the world of "i-Dosing," the new craze sweeping the Internet in which teenagers used so-called "digital drugs" to change their brains in the same way as real-life narcotics (毒品). They believe the repetitive drone-like music will give them a "high" that takes them out of reality, only legally available and downloadable on the Internet. Those who come up with the "doses" claim different tracks mimic different sensations you can feel by taking drugs like Ecstasy (迷幻药). The reactions have been partially sceptical but some songs have become wildly popular, receiving nearly half a million hits on YouTube.
    There has been such alarm in the US that the Oklahoma Bureau of Narcotics and Dangerous Drugs has issued a warning to children not to do it. "Kids are going to flock to these sites just to see what it is about and it can lead them to other places," spokesman Mark Woodward said. He added that parental awareness is key to preventing future problems, since i-Dosing could indicate a willingness to experiment with drugs. Schools in the Mustang area recently sent out a letter warning parents about the new trend after several high school students reported having physiological effects after trying one of these digital downloads.
    I-Dosing tracks have imposing names such as "Gates of Hades" or "Hand of God" which are ten minutes long—some sound like a ship’s horn being repeated again and again whilst others are more rough and resemble cheap synthesizers (电声合成器)being played very fast. But although they use a very modern method of spreading themselves, i-Dosing is actually a variation on a very old method of achieving an altered state. In 1839 German physicist Heinrich Wilhelm Dove found that two tones played at slightly different frequencies in each ear makes the listener think they are hearing a quick beat. He called the phenomenon "binaural beats," and it has been the subject of research in the two centuries since.
    This therapy is used in clinical settings to research hearing and sleep cycles, to induce various brain wave states, and treat anxiety. Dr. Helane Wahbeh, a Naturopathic Physician and Clinician Researcher at the Oregon Health and Science University, said: "Binaural beats happen when opposite ears receive two different sound waves. And normally, the difference in sound between each ear helps people get directional information about the source of the sound. But when you listen to these sounds with stereo headphones, the listener senses the difference between the two frequencies as another beat that sounds like it’s coming from the inside of the head."
What is i-Dosing according to the first paragraph?
选项 A、A kind of behavior that teenagers download virtual audio tracks to get high as from real drugs.
B、A crazy movement that the young get access to drugs through the use of the Internet.
C、A way of escaping from reality for the teenagers by immersing themselves in the Internet.
D、A skeptical attitude towards life taken by the young as they choose some special music.
答案A
解析 语义理解题。本题考查何谓“数字毒品”。根据文章开头对视频显示的几位青少年举止反常的描述可知，他们并不是吸食真的毒品，而是在听音乐。根据定位句可知，青少年从网上下载的一些音乐给了他们类似于吸食毒品的快感。因此A)是对定位句的归纳总结。
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