unit3_a_healthy_life_公开课(课堂PPT)

1,Unit3.Ahealthylife,WarmingupTheteeth拥有希望,就拥有一切。,41,LanguagePoints,P11bytheendof是“到.末”的意思，后边跟不同的时间会有不同的含义和用法。A跟将来的时间，就用一般将来时，如Bytheendofnextmonth，Iwillfinishreadingthisbook.(到下个月末，我将读完这本书）。B跟现在的时间，就用现在完成时，如Bytheendofthisweek,Ihavewrittentwobooks.(到这个星期末，我已经写了两本书了）C跟过去的时间，用过去完成时Bytheendoflastmonth,Ihadplantedthousandsoftrees.(到上个月末，我已经种了数千棵树了）,42,2attheendof后边可以跟时间和地点名词，表示“在.末如attheendofthismonth在这个月末,attheendoflastmonth,attheendofnextmonth,attheendoftheroad在路的尽头等,43,dueto,becauseof与owingto的区别三者均可表示“由于”、“因为”，按照传统语法：dueto主要引导表语，而becauseof,owingto两者都主要引导状语。如：Hisillnessisduetobadfood.他生病是由于吃了不好的食物。Theaccidentwasduetocarelessdriving.这次车祸起因于驾驶疏忽。Hecantcomebecauseofthebadweather.他不能来是因为天气不好。Owingtotherain,thematchwascancelled.比赛因雨被取消了。但是在现代英语中，dueto也可用来引导状语，而owingto也可以用来引导表语。如：由于交通拥挤他迟到了。正：Hewaslateduetoowingto,becauseoftheveryheavytraffic.正：DuetoOwingto,Becauseoftheveryheavytraffic,hewaslate.becauseof通常只用来引导状语，若引导表语，主语通常应为代词。如：Itisallbecauseofwhatyousaid.那完全是因为你的话。,44,Thisbringsmetotherealreasonformyletter.ThisbringsmetotherealreasonwhyIwrotetheletter.,45,Yourmothertellsmethatyouhavestartedsmokingandthatyouarefindingitdifficulttogiveup.,find/think/consider/make/feelitadjtodo我们发现很难按时到那里.Wefinditdifficulttoarrivethereontime.我认为到英国去旅行没必要带汉英字典.IdontthinkitnecessarytobringaChinese-EnglishdictionarywhentravelingtoBritain.手势使得听众更容易理解他的演讲.Gesturemakesiteasyforaudiencetounderstandhisspeech.,46,Iknowhoweasyitistobeginsmokingandhowtoughitistostop.Howadjitistodosth直到你失去健康的时候,你才知道保持健康有多么重要.Youwontknowhowimportantitistokeephealthyuntilyoulosehealth.,47,Youcanbecomephysicallyaddictedtonicotine.be/becomeaddictedto+n(迷恋,上瘾)许多学生对电脑游戏上瘾.Manystudentsareaddictedtocomputergames.他是一个酗酒的人.Heisamanaddictedtoalcohol.addictoneselftosth沉溺于,醉心于Headdictedhimselftoplayingtheviolinanddidntfindathiefwalkintohishouse.addict:上了瘾的人filmaddict电影迷,48,Thismeansthatafterawhileyourbodybecomesaccustomedtohavingnicotineinit.我习惯了这么早起床进行晨练。Imaccustomedtogettingupsoearlytodomorningexercise.习惯了登险峻的山,他毫不费力地登上了山顶._climbingthesteepmountain,hehadnodifficultyreachingthetop.,Accustomedto,lookforwardto/getdownto/