2. 外语
  3. Rabies is all ordinarily infectious disease of the central nervous system. It is caused by a virus and,【C1】______a rule, spread

Rabies is all ordinarily infectious disease of the central nervous system. It is caused by a virus and,【C1】______a rule, spread

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问题     Rabies is all ordinarily infectious disease of the central nervous system. It is caused by a virus and,【C1】______a rule, spread chiefly by domestic dogs and【C2】______flesh-eating animals. Man and all Warm-blooded animals are susceptible【C3】______rabies. The people of【C4】______Egypt, Greece and Rome ascribed rabies to evil spirits【C5】______ordinarily gentle and friendly animals suddenly became vivacious and violent【C6】______evident Cause and,【C7】______a period o t maniacal behavior became Paralyzed and died.
    Experiments【C8】______out in Europe in the early nineteenth century of injecting saliva from a rabid dog【C9】______a normal dog proved that the disease was infectious. Preventive steps,【C10】______as the destruction of stray dogs, were taken and【C11】______1862 the disease was permanently eliminated in Norway, Sweden and Denmark. Though urban center on the continent of Europe were cleared several times daring the nineteenth century,【C12】______soon became re-infected since rabies was uncontrolled among wild animals.
    Anti-rabies vaccine is widely used nowadays in two ways. Dogs may be give three-year protection【C13】______the disease by one powerful injection【C14】______persons who have been【C15】______by rabid animals are given a course of daily injections over a week【C16】______ten days. The mortality rate from all【C17】______of bites from rabid animals has dropped from 9% to 0.5%. In rare【C18】______, the vaccine will not prevent rabies in human【C19】______because the virus produces the disease before the person’s body has【C20】______to build up enough resistance. Because of this , immediate vaccination is essential for anyone bitten by an animal observed acting strangely and the animal should be captured circumspectly, and examined professionally or destroyed.
【C15】
选项
答案bitten
解析 这里连接的是“person”和“rabid animals”，结合前后文知，应选动词bite，且根据语法知，应用其过去分词bitten。
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