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  3. 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

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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.
The passage tells us that people tend to forget the extraordinary power of the dogs because______.
选项 A、people feel so close to dogs
B、people used to humanize them
C、dogs are not trained enough
D、dogs can not give us a check-up
答案A
解析 本题为推理题。题干要求根据文章所提供的信息找到“人类经常忽略狗的特异功能的原因”。选项A．people feel so close to dogs与文章第二段中“We tend to forget the extraordinary powers of the animals we live with simply because we live with them．”表达的意思接近， “simply because we live with them”意为“仅仅因为它们与我们生活在一起”说明关系密切导致了忽略。选项B．people used to humanize them与原文第二段中We tend to humanize them，”表达的意思不一致。此选项中“used to”意为“过去这样做”，而原文中“tend to”意为“意欲这样做”。选项C．dogs are not trained enough所表达的意思与文章不符，训练不够并不是我们不了解狗的特异功能的原因。选项D．dogs can not give us a check-up则在文章中没有提及。
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