1、Unit 3 A healthy life每天笑 15 分钟可以使你的心脏更健康。美国科学家的两项最新研究结果显示，笑能使人精神愉悦，同时还对心脏大有好处；相反，心情沮丧则不利于身体健康，甚至会增加早死的危险。Laughter is good for the heart because it prolongs life while depression increases the risk of an early death，according to two new studies.A good deal of laughter every day provides similar cardi
2、ovascular benefits as exercise because it stimulates the blood flow，said Michael Miller，who headed one research team at the University of Maryland.On the other hand，depression or the lack of laughter is often linked to unhealthy habits such as smoking and drug addiction and increases the risk of dea
3、th by 44 percent，said Wein Jiang，who led a study of 1，000 heart patients for the University of North Carolina.While laughter should not replace exercise，he said， “We do recommend that you try to laugh on a regular basis.Thirty minutes of exercise three times a week，and 15 minutes of laughter on a da
4、ily basis is probably good for the vascular system.”1prolong vt. 延长，拉长，拖延，延期2cardiovascular adj. 心血管的3stimulate vt. 刺激，激励，使兴奋vi. 起兴奋作用，起刺激作用4vascular system 血管系统；维管系1What effect does laughter have on the heart?_2Can laughter replace exercise?_【答案】 1.It can stimulate the blood flow.2No，it cant.Sectio
5、n Warming Up & ReadingPreparing根据提示写出下列单词1abuse n&vt. 滥用；虐待2stress n. 压力；重音vt. 加压力于；使紧张3ban vt. 禁止；取缔n. 禁令；谴责4due adj. 欠款的；预定的；到期的5automatic adj. 无意识的；自动的6desperate adj. 绝望的；拼命的7effect n. 结果；效力8strengthen vt. 加强；巩固；使坚强vi. 变强9disappointed adj. 失望的；沮丧的10ashamed adj. 感到惭愧或羞耻的看单词 学构词strengthen 是由名词 stre
6、ngth 加后缀en 构成的。en 作后缀可以加在名词或形容词后，构成动词，如 soften，widen ，darken 等。根据提示补全下列短语1addicted to 对上瘾；对有瘾2accustomed to 习惯于3decide on 对作出决定4feel like (doing) 想要(做)5due to 由于6give up 放弃7throw away 扔掉；抛弃8instead of 代替；而不是根据提示补全下列教材原句1As_you_know，if you do the same thing over and over again，you begin to do it auto
7、matically.正如你所知道的，如果你反复做同一件事，你就会不自觉地做它。2I do hope so because I want you to live as_long_and_healthy_a_life_as_ I have.我的确希望你能把烟戒掉，因为我希望你能像我一样活得健康长寿。3But I_did_finally_manage但是最后我的确是成功了。4When I was taken off the school football team because I was unfit，I knew it_was_time_to_quit smoking.当因为我不再合格而被学校足
8、球队开除以后，我意识到自己是时候戒烟了。5Every_time _you_feel_like_smoking a cigarette，remind yourself that you are a nonsmoker.每当你想要吸烟的时候，你就提醒你自己：你(已经)是不吸烟的人了。阅读 P18 教材原文，选择最佳答案。1Why did James grandfather write to James?ABecause he wanted to tell James his experience.BBecause he wanted to tell James the harmful effect
9、s of smoking.CBecause he wanted to help James give up smoking.DBecause he wanted to help James get some information.2From Para.3 we can learn that_Aa person can be addicted to nicotine because it is one of the chemicals in cigarettesBa person will be addicted to smoking if he treats it as a habitCa
10、person will feel sick if his body gets used to having nicotineDa person will really feel relaxed when having a cigarette3Smoking can do terrible damage to ones life EXCEPT _Aheart diseaseBlung diseaseCnot becoming pregnantDgetting along well with others4In what way did the old man try to persuade hi
11、s grandson to give up smoking?AUsing scientific theory.BHis failure in love.CHis sports activity.DHis own experience.5The following statements are true EXCEPT_AJames grandfather was tired when returning from a long bike rideBthere are three ways a person can become addicted to smokingCkeeping your h
12、ands busy will help stop smokingDsome people have to try several times before quitting smoking【答案】 15 CBDDA阅读 P18 教材原文，在空白处填入适当内容(1 个单词) 或括号内单词的正确形式。James grandfather writes him a letter to advise him to quit 1. _ (smoke)He says that his long and active life must be due 2._ the healthy life he lives
13、. He also tells James 3. _ tough it is to stop smoking. During adolescence he also smoked and became 4._(addict) to cigarettes.There are three different ways you can become 5. _(depend) on cigarettes. First, you can become physically addicted to nicotine. After 6._ while your body becomes 7._ (accus
14、tom)to having nicotine in it. When the drug leaves your body, you get 8._(withdraw) symptoms. Secondly, you can also begin to do it 9. _ (automatic)Lastly ，you can become mentally dependent. He also offers some advice to help James to stop and 10. _ (strength) his resolve.【答案】 1.smoking 2.to 3.how 4.addicted 5.dependent 6.a 7.accustomed 8.withdrawal 9.automatically 10.strengthen
