第20练 完形填空＋阅读理解＋短文改错
Ⅰ.完形填空
体裁：记叙文 话题：微笑的力量 词数：300 时间：18′
(2015·陕西二模)Many years ago，Norman Cousins was diagnosed(诊断) with cancer.He was given six months to live.His __1__ of recovery was one in 500.
He could see that the worry，low spirits and __2__ in his life contributed to，or perhaps helped cause，his disease.He wondered，“__3__ illness can be caused by negativity，can wellness be __4__ by being positive？”He decided to make __5__ on himself.
He knew that __6__ was one of the most positive activities.He rented all the funny movies he __7__ find.He read funny stories.He asked his friends to call him whenever they said，heard or did something __8__．
His pain was so great that he could not __9__．He found laughing for 10 minutes relieved(减轻) the __10__ for several hours so he could sleep.He fully __11__ from his illness and lived another 20 happy，__12__ and productive years.He believed that the love of his family and friends and laughing contributed to his recovery.
Some people think laughing is a waste of __13__．They say it is something to enjoy only at times.__14__，laughing is necessary and very important to our well－being and aliveness.If we're not well，laughing helps us get __15__；if we are well，laughing helps us __16__ that way.
Scientific studies have shown that laughter has a curative(有疗效的) __17__ on the body，the mind and the emotions.So，if you like laughing，__18__ it medical advice to do it as oft
