2. 外语
  3. The partnership between humans and animals dates back to the first domestication of animals in the Stone Age, as long as 9,000 y

The partnership between humans and animals dates back to the first domestication of animals in the Stone Age, as long as 9,000 y

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问题     The partnership between humans and animals dates back to the first domestication of animals in the Stone Age, as long as 9,000 years ago. But never have animals provided such【S1】______and particular help to humans as they do today in the form of trained【S2】______to people with disabilities. These animals, usually dogs, help people【S3】______tasks that would otherwise be difficult or even impossible. Service animals are not【S4】______but working animals doing a job; thus,【S5】______such as the Americans with Disabilities Act(1990)in the United States and the Disability Discrimination Act(1995)in the United Kingdom make service animals exempt from rules that【S6】______animals from public places and business.
    The most familiar service animals are guide dogs whose job is to help people with【S7】______weakness or disability move about safely. Systematic training of guide dogs【S8】______in Germany during World War One to aid blinded veterans. In the late 1920s Dorothy Harrison Eustis, an American dog trainer living in Switzerland, heard of the program and wrote an article for a magazine about it. The【S9】______led her to her first student, Morris Frank, with her help she established a similar training school in the United States in 1929, the Seeing Eye. Reputable organizations which train assistance animals also take steps to【S10】______that animals are cherished and lead rewarding enjoyable and healthy lives. When the animals’ helping careers are over, provisions are made for their well-deserved retirements.

A)physical           B)prohibit            C)pets             D)unnecessary
E)originated         F)dedicated           G)isolate          H)visual
I)legislation        J)accomplish          K)assistance       L)publicity
M)ensure             N)approve             O)fume
【S4】
选项
答案C
解析 此处，需要一名词的复数形式与名词词组working animals并列作表语。由词组not…but(不是……而是)连接，形成前后对比，pets符合句意。此句意为：为人类提供帮助的动物不是宠物而是能工作的动物。
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大学英语四级

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