题目

观察比较仙人掌,松树,香蕉树的叶子有什么不同? 答案:植物的叶具有进行光合作用和蒸腾作用的功能。仙人掌生活在缺水的沙漠,为了减少水分蒸发,叶子退化成刺状,茎绿色肥厚多汁,承担起光合作用和储存水分的功能。松树生活的区域较为广泛,针形叶可以减少水分蒸发,有利于保持身体温度。香蕉树生活在水分充足的热带或亚热带地区,叶子宽大,In the near future, daily newspapers and monthly magazines will probably disappear. Electronic media can provide the same information faster and cheaper. The Internet, together with laptops and cellphones, makes it possible that almost everyone can at any time and in almost any place get some news for free or for few fees.You’ll browse the computer newspapers or magazines just like switching on TV. An electronic voice will tell you stories about the latest events. You’ll even get to choose the kind of voice you want to hear. Want more information on the brief story? A simple touch makes the entire text appear.There are the predictions from the experts working on the newspapers of the future. Pictured as part of home-based media and entertainment systems, computer newspapers and magazines would unite printed and broadcast news, offering information and analyzing video images of news events.The continuing loss of readers will result in a small number of advertisements in newspapers. It makes no sense to spend millions of dollars to print ads.With the development of technology, more and more electronic medium have been created until now, but replacing the traditional newspapers and magazines has a long way to go, because the resistance to computer newspapers and magazines from journalism(新闻业) may be much stronger. Since it is such a cultural change, it may be not until the present journalists, who aren’t used to it, die off that the newspaper industry is not considered as an industry any longer. Anyway, technology is making the traditional newspapers and magazines disappear gradually.1.Computer newspapers and magazines have all the advantages except that ____________.A. they are more expensive than traditional newspapersB. you can choose the kind of voice you like to hearC. you can get more information from them easilyD. you can easily store information for the future use2.The underlined word “resistance” in the fifth paragraph probably means ____________.A. a thought which directs your actionB. a force that acts to stop something happeningC. a force that helps you do somethingD. an idea which is different from others3.We can infer from the passage that _________________.A. all technological developments are very importantB. traditional newspapers and magazines will disappear soonC. new things will replace the old ones in the futureD. traditional newspapers and magazines will be more popular4.The author writes the article to __________________.A. let people know the great development of the journalismB. tell readers what newspapers and magazines are like in the futureC. prove newspapers and magazines are not welcomed any moreD. say traditional newspapers and magazines are better than before
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