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1、2013 高考英语二轮考点复习讲义：阅读理解- 购物、饮食与健康大特点。2. 购物与环保问题的结合。3. 指导如何很好的购物，提供使用建议。4. 假日旅游等的购物和饮食问题。5. 饮食安全问题的曝光以及人们如何注意饮食安全问题。5如何保持健康的身体，快乐的心情，构建心理健康。6饮食与健康的关系。7. 肥胖，睡眠，早餐等与饮食和健康有关的话题。链接高考链接 1 . （2012 广东卷）Sports account for a growing amount of income made on the sales of commercial time by television companies.
2、 Many television companies have used sports to attract viewers from particular sections of the general public, and then they have sold audiences to advertisers.An attraction of sport programs for the major U.S. media companies is that events are often held on Saturday and Sunday afternoons the slowe
3、st time periods of the week for general television viewing. Sport events are the most popular weekend programs, especially among male viewers who may not watch much television at other times during the week. This means the television networks are able to sell advertising time at relatively high pric
4、es during what normally would be dead time for programming.Media corporations also use sports to attract commercial sponsors that might take their advertising dollars elsewhere if television stations did not report certain sports. The people in the advertising departments of major corporations reali
5、ze that sports attract male viewers. They also realize that most business travelers are men and that many men make family decisions on the purchases of computers, cars and life insurance.Golf and tennis are special cases for television programming. These sports attract few viewers, and the ratings (
6、收视率) are unusually low. However, the audience for these sports is attractive to certain advertisers. It is made up of people from the highest income groups in the United States, including many lawyers and business managers, This is why television reporting of golf and tennis is sponsored by companie
7、s selling high-priced cars, business and personal computers, and holiday trips. This is also why the networks continue to carry there programs regardless of low ratings. Advertisers are willing to pay high fees to reach high-income consumers and those managers who make decisions to buy thousands of
8、“company cars” and computers. With such viewers, these programs dont need high ratings to stay on the air.41. Television sport programs on weekend afternoons _.A. result in more sport eventsB. get more viewers to play sportsC. make more people interested in televisionD. bring more money to the telev
9、ision networks42. Why would weekend afternoons become dead time without sport programs?A. Because there would be few viewers.B. Because the advertisers would be off work.C. Because television programs would go slowly.D. Because viewers would pay less for watching television.43. In many families, men
10、 make decisions on _.A. holiday trips B. sports viewingC. televisions shopping D. expensive purchases44. The ratings are not important for golf and tennis programs because _.A. their advertisers are carmakersB. their viewers are attracted by sportsC. their advertisers target at rich peopleD. their v
11、iewers can afford expensive cars45. What is the passage mainly about?A. Television ratings are determined by male viewers.B. Rich viewers contribute most to television companies.C. Sports are gaining importance in advertising on television.D. Commercial advertisers are the major sponsors of sport ev
12、ents.【难度】一般链接 2 .（2012 江苏卷）Medical drugs sometimes cause more damage than they cure. One solution to this problem is to put the drugs inside a capsule, protecting them from the bodyand the body from themuntil they can be released at just the right spot. There are lots of ways to trigger(引发) this rel
13、ease, including changing temperature, acidity, and so on. But triggers can come with their own risksburns, for example. Now, researchers in California have designed what could be a harmless trigger to date: shining near-infrared light (NIR,近红外线) on the drug in the capsule.The idea of using light to
14、liberate the drug in the capsule isnt new. Researchers around the globe have developed polymers (聚合物) and other materials that begin to break down when they absorb cither ultraviolet (UV,紫外线) or visible light. But tissues also readily absorb UV and visible light, which means the drug release can be
15、triggered only near the skin, where the light can reach the capsule. NIR light largely passes through tissues, so researchers have tried to use it as a trigger. But few compounds(化合物)absorb NIR well and go through chemical changes.That changed last year when Adah Almutairi, a chemist at the Universi
16、ty of California, San Diego, reported that she and her colleagues had designed a polymer that breaks down when it absorbs NIR light. Their polymer used a commercially available NIR-absorbing group called o-nitrobenzyl (ONB). When they catch the light, ONB groups fall off the polymer, leading to its breakdown. But ONB is only a so-so NIR absorber, and it could be poisonous to cells when it separates from the polymer.So Almutairi and her colleagues rep
