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 are- as. 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. With the push of a button, the alarm automatically sends a signal, which gets someone to call and see if the person needs help. 1. By making some very simple changes at home, old people ______. A. are free from home accidents B. can improve their health C. are likely to live longer D. can live more safely 2. Last Steps on stairs may become a high-risk accident area if they are ______. A. not painted in a different color B. not marked with bright tapes C. fixed with grab bars D. very brightly lit 3. Falls in the bathroom are considered to be unfortunate because ______. A. they can easily be avoided B. old people seldom fall in bathrooms C. grab bars do not help to prevent falls D. bathroom accidents are difficult to prevent 4. A personal alarm is designed for old people to ______. A. detect safety conditions at home B. avoid falls in the bathroom C. send out signals for help D. make phone calls easily 5. The purpose of this passage is to tell people that ______. A. most old people die from accidents at home B. up to half of home accidents could be prevented C. falls at home can be avoided by taking some simple measures D. protection of old people should be the first concern for the public