Unit 17 Laughter-2020-2021学年高中英语选修6【导学教程】同步辅导（北师大版）课件PPT

Unit 17 Laughter 菜 单 英语·选修6（BSD） Unit 17　Laughter Unit 17 Laughter 菜 单 英语·选修6（BSD） 美文导读·话题链接 在过去，人们一天笑18分钟，而现在，人们一天开口大笑少于6分钟，开口大笑对人们的健康是否有影响？读完本文后，你会找出答案。 Have people forgotten to laugh？In the good old days，they used to laugh 18 minutes a day，but today not more than six minutes. Experts say children can laugh up to 300－400 times in a day，but as adults this frequency drops to 15 times a day.But it’s medically proved that laughter benefits your health.Laughing exercises the heart as well as the lungs.When one laughs，the heart rate goes up and the brain is relaxed. Unit 17 Laughter 菜 单 英语·选修6（BSD） Do we need to laugh more today？“In our modern world，stress­related diseases are on the rise.More than 70 percent of illnesses are related to stress.To escape stress，people turn to alcohol，smoking and drugs.If only they realised the wonder medicine of laughter！”exclaims Dr.Kataria. Unit 17 Laughter 菜 单 英语·选修6（BSD） According to research，open­mouthed laughter is most appealing.Laughter sounds good only when it’s open­mouthed.Conversely，a close­mouthed laugh such as a snigger has the opposite effect.A study suggests that beginning in childhood，we learn to associate the wide­open guffaw(大笑) with life’s most positive experiences.Eventually，all it takes is to hear that happy sound to feel happier. Laugh your way to health! Unit 17 Laughter 菜 单 英语·选修6（BSD） Read the passage and tell the following statements true (T) or false (F)． 1．Today more and more people become ill because of much stress. 2．It’s better to laugh with the mouth closed. 3．Nowadays people spend more time laughing. 答案　1.T　2.F　3.F $