2. 外语
  3. Zoos are among mankind’s oldest institutions, dating back at least 4 500 years, and probably more. Across the world they have br

Zoos are among mankind’s oldest institutions, dating back at least 4 500 years, and probably more. Across the world they have br

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问题     Zoos are among mankind’s oldest institutions, dating back at least 4 500 years, and probably more. Across the world they have brought together and displayed live wild animals for people to look at and over the years hundreds of millions have. Any institution with so long a history and so universally attended must reach something in people deeper than idle curiosity. Since it is fashionable to speak of roots today, it might be suggested that zoos allow us to stay in touch with our most primitive roots in a primeval world where human survival depended on knowing the shapes and habits of wild animals. So important were wild creatures to our distant ancestors that they were the most frequent subjects of paintings on cave walls, formed the basis for virtually all early religions, and were numerous instances worshipped as gods.
    Now our survival is threatened more by what we ourselves have worked, and by the stresses of living among these creations, that is by wild animals to whom we relegate less and less living space with each passing year. The exponential growth of human population and the ever-increasing sprawl of cities do even more. In this world the need for good zoological gardens is urgent. People live in brick concrete and glass environments where they lose all touch with wilderness. Children grow up having never tried to catch a frog, never seen a hawk soar or a deer step daintily into a forest clearing—let alone watched a herd of elephants amble across the savannah or a pride of lions stalk prey.
    People who have the time and money can take an occasional trip to the remaining wilderness. For millions of others who are unable to leave the cities or can’t afford to, good zoos laid out among plants and trees can bring what conservationist Ian Player calls "a taste of wilderness. " Perhaps more important in the long run, zoos can help give deprived people of an awareness that we share the world with many other animals and should have a decent regard for their worth and right to live. If zoos did no more than accomplish these two ends, they would serve a noble purpose.
    As it happens, however, today’s zoos can do far more. They can become breeding centers for those wild species whose continued existence has become precarious. The term "captive breeding" has been used to describe this new role of zoos, and this book describes the effort—the most important task that zoos have yet undertaken. (429 words)
This passage may be adopted from
选项 A、a book review
B、the preface to a book
C、the lecture on a book
D、the advertisement of a book
答案B
解析 从文章最后半句…this book describes the effort中的this book可以判断出该篇文章是书的前言。
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