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    5．
    1．Exercise
    Studies show that 30minutes of mild exercise a day will increase your life span．This doesn't mean you have to run three miles or start jumping．Simple activities such as walking，gardening or taking exercise classes will work．
    2．Enjoy people
    Contacts with family and friends help fight life-sapping depression and stress．Studies show that people socialize regularly live longer than loners．Interact daily with family members and friends．If you are isolated，make a point of joining social clubs or church groups so you can laugh and share life's joys．
    3．Stay mentally active
    This is very important-use it or lose it!People who allow their mental faculties to decline run the risk of shortening their lives through falls and other injuries，and not being able to take care of themselves．Read the newspaper，visit the public library，balance your checkbook without a calculator，and exercise your brain by doing crossword puzzle．
    4．Diet
    The key words are"high-fiber，low-fat"．Cut back on red meat，salt，white flour，white sugar，alcohol and coffee．Start eating a balanced diet including lots of fruit，grains，raw vegetables and nuts．
    5．Positive attitude
    By approaching life with a positive outlook you increase your chances of living longer．Stay optimistic-always search for the silver lining．Studies show people who see life as an enjoyable challenge，rather than a constant trial，cope better and prolong their life spans．
    6．medication mix
    As we age，we are more likely to take medications．Sometimes this leads to over-medication，which can be disabling and even deadly．Ask your doctor if the drugs you take are really necessary．Make sure there is no danger of a bad drug interaction from your medication．Used correctly，medicines can help you live longer and more comfortably．
    7．Volunteer
    Helping others increases your self-esteem and makes you feel like a valuable contributor．

    66．Which of the following does NOT increase your life span？B
    A．Staying happy about life                     B．Exercising as much as possible
    C．Exercising your brain frequently             D．Enjoying your social life
    67．People who do not stay mentally active are more likely toC．
    A．become ignorant                             B．lose their minds
    C．shorten their lives                         D．become slow in movement
    68．The underlined phrase silver lining can be replaced withC．
    A．something made of silver                   B．new information
    C．good aspects                               D．long life span
    69．Which of the following is correct about medication？A
    A．Appropriate medication is necessary．
    B．Medication is always helpful to you．
    C．Doctors suggest taking expensive medicines．
    D．Drugs are unnecessary because of side-effects．

    分析 本文主要讲述了如何能延长寿命．作者提出了七个方法：1、轻微运动；2、享受社交生活；3、保持精神活跃；4、健康饮食；5、对生活保持积极的态度；6、正确使用药物；7、帮助他人．

    解答 66．B 细节理解题．根据文章内容可知轻微运动、保持快乐的生活、经常锻炼大脑、和享受社交生活等可以延长人的寿命．故选B．
    67．C 理解推断题．根据第五段的内容可知以积极的态度接近生活的人能够延长他们的寿命．反之，不保持精神上活跃的人更有可能缩短他们的生命．故选C．
    68．C 词义辨析题．根据第五段的内容和Stay optimistic-always search for the silver lining．可知乐观的人总是寻找一线希望．由此推知"silver lining"的意思是"好的方面"．故选C．
    69．A 理解推断题．根据最后一段可知过度用药可致残．如果我们吃的药不是必要的，尽量不要吃，因为药都会产生副作用．故选A．

    点评 本文考察学生的理解推断能力以及细心程度，只要抓住文章的关键词，采用寻读的方法查找细节，就能找到正确答案．

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