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  3. The relationship between human and dog dates back to at least 8,000 years ago. Different types of dogs were developed for differ

The relationship between human and dog dates back to at least 8,000 years ago. Different types of dogs were developed for differ

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问题     The relationship between human and dog dates back to at least 8,000 years ago. Different types of dogs were developed for different【S1】______: the ancient people in west Asia, for example, trained greyhounds (灰狗) to chase wild asses; in medieval manuscripts, illustrations of hunting scenes show terriers (猎犬) pursuing rabbits.
    Recent research shows that dogs【S2】______another useful function: they keep us【S3】______. People who have any sort of pet are more likely to【S4】______heart attacks (blood pressure rises when we talk to one another whereas it drops when we pat a pet). Dog owners in particular show considerably improved self-esteem and a 50%【S5】______in minor health problems only ten months after acquiring their pet.
    In the UK, thousands of people visit the annual dog show, "Crufts", held in London. This show receives wide national and international media【S6】______. Fierce discussions rage when dog liberty is threatened. There is no dog license in the UK because it was【S7】______several years ago. A recent law, the Dangerous Dogs Act, requires owners of【S8】______vicious dogs, such as Pit Bull Terriers, to【S9】______their dogs with the authorities and muzzle (戴口罩) them when taking them outside. There was a great protest from the public when this law was【S10】______.
[A] abolished [F] endure [K] healthy
[B] reduction [G] coverage [L] challenges
[C] especially [H] introduced [M] abandoned
[D] register [I] tasks [N] survive
[E] sick [J] perform [O] respectively
【S5】
选项
答案B
解析 空前的a表明，本空应填单数名词，[B]reduction，[D]register和[G]coverage入选。本段的中心意思是狗能使我们保持健康，由此可推断出，在拥有狗之后，主人的健康方面的小问题会减少，故答案为[B]reduction“下降，减少”。
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大学英语四级

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