Falls are the number one cause of death to old people at home. Most old people can live safely at home if they make a few change

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问题     Falls are the number one cause of death to old people at home. Most old people can live safely at home if they make a few changes. Falls are common as people are getting older. Up to half of home accidents could be prevented by making some very simple changes. Here are a few suggestions:
    Mark trouble spots with bright tapes. The first and last steps on stairs are usually high-risk accident areas. Applying bright tapes and using bright light in these areas would make these spots easier to see.
    Put grab bars(扶手)in the bathroom. A large number of falls occur in the bathroom. This is unfortunate(不幸的)because it’s easy to make the area safe from accidents. Putting grab bars in the bathroom gives people something to hang on to.
    Invest in a personal alarm. A personal alarm can be started if a person falls or otherwise gets in trouble.(73)With the push of a button, the alarm automatically sends a signal, which gets someone to call and see if the person needs help.
A personal alarm is designed for old people to______.

选项 A、detect safety conditions at home
B、avoid falls in the bathroom
C、send out signals for help
D、make phone calls easily

答案C

解析 事实细节题。从文章最后一句“With the push of a button,the alarm automatically sends a signal,which gets someone to call and see if the person needs help.”可知,按一下按钮,警报器就会发出信号,别人就会来帮助。所以正确答案为C。
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