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How well do you know your dog? The answer is, not nearly as well as your dog knows you. Given the right motivation, humans can c
How well do you know your dog? The answer is, not nearly as well as your dog knows you. Given the right motivation, humans can c
admin
2008-12-30
81
问题
How well do you know your dog? The answer is, not nearly as well as your dog knows you. Given the right motivation, humans can certainly be perceptive (有洞察力的) enough. But most dog lovers discover, sooner or later, that dogs are sensitive to the behavioral signs of their owners that humans rarely equal. And that’s nothing. Scientists have recently discovered that dogs can distinguish, with amazing accuracy, between breath samples from people with lung cancer and from people without. The dogs have to be trained to do it, of course. But the fact that they can do it at all is remarkable. There aren’t enough biscuits in the world to teach a human to smell at such an extraordinary level of subtlety (细微之处).
This news will give pause to almost anyone who lives with a dog. Just what a dog "knows" is hard to say, because the human idea of "knowing" is so closely related to the ability to express what you know. Even trained cancer-sniffing dogs express their knowledge — their distinction between samples — only by sitting or not sitting. But this is what always happens. We tend to forget the extraordinary powers of the animals we live with simply because we live with them. We tend to humanize them, which means, if nothing else, that we tend to reduce them — in terms of their sensory powers — to our muddling (糊涂 ) level. We can barely take in the fact that when a dog comes up and sniffs us, it is really giving us a check-up.
Not that this will change the dynamic of our relations with man’s best friend. For a while — remembering the cancer-sniffing dogs — some of us will wonder when we see our pets cock their heads, "What are you looking at?" But time will pass, and humans will be humans, and we will forget that the beast we are walking with may already know things about us that we will discover only too late.
One of the surprising facts about dogs is that______.
选项
A、they do better than humans in curing cancer patients when well trained
B、they are able to tell healthy people from unhealthy ones by smelling
C、they eat less biscuits than man to discover cancer patients
D、they can smell whether their owners are happy or not
答案
B
解析
本题为细节题。本题题干中“the surprising facts about dogs”意指第一段中“…dogs can distinguish with amazing accuracy,between breath samples from people with lung cancer and from people without”这一事实。选项A中“in curing cancer patients”与文章中所提供的信息不一致;选项B.they are able to tell healthy people from unhealthy ones by smelling准确地表达了文章中的信息,为正确答案。而选项C.they eat less biscuits than man to discover cancer patients在文章中没有提及;选项D.they can smell whether their owners are happy or not这一信息在文章中没有提及。
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本试题收录于:
英语题库普高专升本分类
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英语
普高专升本
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