Listen to the tape vpn免费 then answer the question below.
听录音，然后回答以下问题。
How do cats try to protect themselves when falling from 免费vpn great heights?
Cats never fail to fascinate human beings. They can be friendly and affectionate towards humans, but they lead mysterious vpn免费 lives of their own as well. They never become submissive like dogs and horses. As a result, humans have learned to respect feline independence. Most cats remain suspicious vpn软件免费 of humans all their lives. One of the things that fascinates us most about cats is the popular belief that they have nine lives. Apparently, there is a good deal of truth in this idea. A cat's ability to survive falls is based on fact.
Recently the New York Animal Medical Centre vpn免费下载 made a study of vpn免费下载 132cats over a period of five months. All these cats had one experience in common: they had vpn免费 fallen off high buildings, yet only eight of them died from shock or injuries. Of course, New Yorkis the ideal place for such an interesting study, because there is 免费vpn no shortage of tall buildings. There vpn软件免费 are plenty of high-rise windowsills to fall from! One cat, Sabrina, fell 32storeys, yet only suffered from a broken tooth. ‘Cats behave like well-trained vpn软件免费 paratroopers, ’ a doctor said. It seems vpn软件免费 that the further cats fall, the less they are likely to injure themselves. In a long drop, they reach speeds of 60 miles an hour and more. At high speeds, falling cats have time to relax. They stretch out their legs like flying squirrels. This increases their air-resistance and reduces the shock of impact when they hit the ground.
when 免费vpn cats falling from great vpn免费下载 heights, they stretch out 免费vpn their legslike flying squirrels, as this would increases vpn免费 the air-resistance and vpn免费下载 reduces the shock ofimpact. so only a few cats died from theshock or injuries.
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