2. 考研
  3. Kids spend an increasing fraction of their formative years online. It is a habit they dutifully【C1】______into adulthood. Under t

Kids spend an increasing fraction of their formative years online. It is a habit they dutifully【C1】______into adulthood. Under t

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问题     Kids spend an increasing fraction of their formative years online. It is a habit they dutifully【C1】______into adulthood. Under the right circumstances, however, a love affair with the Internet may spiral out of【C2】______and even become an addiction.
    Whereas descriptions of online addiction are controversial【C3】______among researchers, a new study cuts through much of the【C4】______and hints that excessive time online can physically rewire a brain. The work, published June 3 in PLoS ONE,【C5】______self-assessed Internet addiction, primarily【C6】______online multiplayer games, rewires structures deep in the brain. What’s more, surface-level brain matter appears to shrink【C7】______the duration of online addiction. Loosely defined, addiction is a disease of the brain that【C8】______someone to obsess over, obtain and abuse something, 【C9】______unpleasant health or social effects. "Internet addiction" definitions【C10】______the complete range, 【C11】______most researchers similarly describe it as excessive Internet use that【C12】______with the rhythm of daily life. However, 【C13】______addictions to substances such as narcotics or nicotine, behavioral addictions to the Internet, food, shopping and even sex are touchy【C14】______medical and brain researchers. Only gambling seems【C15】______to make it into the next edition of the Diagnostic and Statistical Manual of Mental Disorders.
    Nevertheless, Asian nations are not【C16】______for a universal definition of Internet addiction disorder.    China is considered by many to be both an epicenter of Internet addiction and a leader in research of the problem. As much as 14 percent of urban youth there fit the【C17】______as Internet addicts. Parents and kids face extreme pressure to【C18】______at work and in school, but cheap Internet cafes【C19】______around the corner on most blocks.【C20】______, immersive online game realities like World of Warcraft await and allow just about anyone to check out of reality. [306 words]
【C3】
选项 A、at length
B、at hand
C、at large
D、at best
答案D
解析 本题考查句内语义+介词短语。
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考研英语一

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