【正文】 Why Cats Scratch TingsIn has long been assumed that when cats scratch objects with their front paws（爪子）that they are sharpening their claws. 71 Research on cat behavior suggests that the major reason for this behavior is munication. By scratching up the bark of a tree (or the leg of your favorite chair) the cat is letting other cats or people know where she is and what she is up to.Cats tend to pick a small number of noticeable objects in their environments to scratch such as trees, fence posts repeatedly. 72 The scratched surface leaves a highly visible mark that can be easily seen by other cats. In addition, cats have special glands （腺）in their paws so that when they make scratching movements they leave scent（氣味）that the cats can smell. The fact that cats leave scent marks by making scratching movements may be the reason that cats will continue to scratch objects even after they have been declawed. 73 We don’t know exactly what cats are municating with their scratching. Both males and females do it. It is done inside and outside the home and even by cats living with no other cats around. 74 Cats don’t scratch up your furniture to bother you or just to be destructive, but for specific reasons, one of which is municating. Cats also scratch to extend their bodies, during play, and possibly as a greeting 。 I have been happily married for 60 years. There are, of course, other activities for Internet users besides finding love. They can pay bills, order groceries, or discuss with their doctors.And this is by no means all. More amazing things are yet to e in the near future. I read a newspaper report recently that quoted Stephen Hawking, an important British scientist. “The plexity of a puter as it exists today is probably less than the brain of an earthworm,” he said. “But, as technology advances, puters will bee more plex, and a time may e when the Internet may develop ‘consciousness.’ In other words, the Internet will be able to think, have feelings, and may well be able to act on its own.”If Professor Hawking is right, I may change my attitude about conjurers. As I grow older each day, I would like one of those that not only thinks for me but also accepts responsibilities for all my mistakes.60．What’s the meaning of the title “Count Me Out”? A．Get me out of the Internet world. B．Computers are trying to take control of life. C．Modern technology pushes old people away. D．Do not expect me to be a supporter of the Internet.61．According to Paragraph 2, the author thinks puters are . A．unnecessary B．convenient C．expensive D．a(chǎn)dvanced62．What might the author like about the future puter? A．Taking blames. B．Curing illnesses. C．Delivering messages. D．Responding to emotions.CWe’ve all seen them: perfectly toned famous people on latenight television telling us that we too can develop rockhard abdominal muscles（腹?。? It’s easy! Just pay $ for the Torso Track or $ for the AdDoer and watch those unwanted inches leave your waist. Americans spend tens of million of dollars on various products to firm up their fat around the waist.And did they work? Not necessarily. Independent studies have concluded that most of these productsno matter who approved them or how expensive they areshape your midsection no better than oldfashioned stomach crunches（仰臥起坐）. Some can even cause injurylike the $ Body ShaperQ8SP, which left electrical burns on some researchers at the University of Wisconsin, La Crosse. Others, like the popular AbDoer, trpically burn less energy than a gentle walk, according to a study to be published in September by the American Council on Exercise.The fact is that many Americans don’t have the biological makeup to develop an obvious abdominal muscles. They are either unable to get the necessary muscle mass or they can’t lose enough fat to make a difference. Even if the underlying muscles are well developed, and it takes to hide it is onesixteenth of tan inch of fat. That’s enough to dismiss most healthy women as well as plenty of guys who do crunches every day.So what works best? In its new study, the exercise experts researched on the results of the popular AbDoer. A lengthy TV advertisement promises that