2. 外语
  3. It’s our guilty pleasure: Watching TV is the most common everyday activity, after work and sleep, in many parts of the world. Am

It’s our guilty pleasure: Watching TV is the most common everyday activity, after work and sleep, in many parts of the world. Am

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问题     It’s our guilty pleasure: Watching TV is the most common everyday activity, after work and sleep, in many parts of the world. Americans view five hours of TV each day, and while we know that spending so much time sitting【C1】______can lead to obesity(肥胖症)and other diseases, researchers have now quantified just how【C2】______being a couch potato can be.
    In an analysis of data from eight large【C3】______published studies, a Harvard-led group reported in the that for every two hours per day spent channel【C4】______, the risk of developing Type 2 diabetes Journal of the American Medical Association(糖尿病)rose 20% over 8. 5 years, the risk of heart disease increased 15% over a【C5】______, and the odds of dying prematurely【C6】______13% during a seven-year follow-up. All of these【C7】______are linked to a lack of physical exercise. But compared with other sedentary(久坐的)activities, like knitting, viewing TV may be especially【C8】______at promoting unhealthy habits. For one, the sheer number of hours we pass watching TV dwarfs the time we spend on anything else. And other studies have found that watching ads for beer and popcorn may make you more likely to【C9】______them.
    Even so, the authors admit that they didn’t compare different sedentary activities to【C10】______whether TV watching was linked to a greater risk of diabetes, heart disease or early death compared with, say, reading.
A)climbed I)previously
B)consume J)resume
C)decade K)suffered
D)determine L)surfing
E)effective M)term
F)harmful N)terminals
G)outcomes O)twisting
H)passively
【C4】
选项
答案L
解析 名词辨析题。空格位于名词channel后面，应该填入另外一个名词。根据文意可知，本段在列举看电视的坏处的量化结果，因此空格表达的内容应该与“看电视”有关，channel在此处意为“频道”，而且channel surfing是固定搭配，意为“频繁更换电视频道(以寻找有趣节目)”，因此答案是L)surfing。
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大学英语四级

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