Unit 4 Earthquakes课时作业

learning about language

第一节 阅读理解

　　阅读下列短文，从每题所给的四个选项A、B、C和D中，选出最佳选项。

　　A

　　They already guide the blind and other disabled people；now dogs are to be trained to help people with dementia(痴呆)or Alzheimer's. Alzheimer's can make people confuse night and day or forget basic things such as washing and drinking enough water.

　　The dogs will be trained to respond to sound triggers(触发器)in the home that make them perform tasks. The duties will include reminding their owners to take medicine，as well as encouraging them to eat，drink and sleep regularly.

　　The idea was developed by design students at Glasgow School of Art and will now be put into practise by Alzheimer Scotland and Dogs for the Disabled.The first dogs will be distributed to four Scottish couples，where one of the partners is in the early stages of dementia.670，000 people in Britain have dementia and one in three over 65 will develop the condition.By 2021 this is expected to rise to one million.

Joyce Gray of Alzheimer Scotland said，"People in the early