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1、Unit1 StayHealthyLesson4Don’tSmoke,Please!九年级英语上新课标[冀教]Smokingisbadforyourhealth.Smokingisharmfultoourhealth.Itcancausediseasesoftheheartandlungs.ABReadthetextandfindoutkeyphrasesandsentences.Keyphrases:·millionsof·asaresultof·second-handsmoke·takearisk·getintothehabitof…·st
2、ayawayfrom…Keysentences:·Everyyear,millionsofpeoplearoundtheworlddieasaresultofsmoking.·Don’ttakethatrisk.·Onceyougetintothehabitofsmoking,it’snoteasytogiveitup.·Stayawayfromcigarettesandyoucanlivealong,healthyandhappylife.☆教材解读☆1.Asastudent,youshouldneversmoke.as为介词,意为“当作,作
3、为”。2.Smokingisbadforyourhealth.◆本句为动名词作主语的句子。当动名词作主语时,谓语动词用单数形式。动名词作主语的句子可改为用动词不定式作主语,此时常用it作形式主语,而将真正的主语——动词不定式放在句末,即“Itis+形容词或名词+todosth.”。◆bebadfor意为“对……有害”,其反义词组为begoodfor,意为“对……有益”。3.Itcancausediseasesoftheheartandlungs.disease为名词,意为“疾病”,是用以指各种病的术语,特指严重的,长期的疾病,如肝病、心脏病等。
4、【拓展】(1)sickness多用来指恶心、呕吐之类的疾病,这种疾病大多由外因引起,且病痛时间较短。(2)illness主要指因人体内部的虚弱或失调引起的疾病,且病痛时间较长。4.Everyyear,millionsofpeoplearoundtheworlddieasaresultofsmoking.◆millionsof表示模糊概念,意为“数百万的”,此时million用复数形式,且与of连用。Weplantmillionsoftreeseveryyear.每年我们种植数百万棵树。【拓展】(1)当million前有基数词,表达确数时,无论基
5、数词是什么,million永远都用单数形式。threemillion三百万(2)与million用法相同的单词还有hundred,thousand和billion。◆die在这里为不及物动词,意为“死,死亡”,其过去式和过去分词都为died,现在分词为dying,形容词为dead/dying,名词为death。Theoldmandiedofcanceryesterday.Thedoctorshavesavedthedyingman.◆asaresultof由于,因为,相当于becauseof,后面接名词或代词。Hewaslateasaresul
6、toftheheavysnow.5.Ifyousmoke,youharmyourself,andyou’realsoharmingthepeoplearoundyouwithyoursecond-handsmoke.harm在本句中为及物动词,意为“伤害,损害”。harmoneself意为“伤害某人自己”,与hurtoneself同义。6.Wheneversomeoneoffersyouacigarette,youshouldalwayssayno.◆whenever为连词,意为“无论何时,在任何……的时候”,相当于nomatterwhen,引
7、导让步状语从句。【拓展】whatever=nomatterwhat无论什么wherever=nomatterwhere无论哪里however=nomatterhow不管怎样◆offer为及物动词,意为“(主动)提供,给予”,其后可接双宾语,即offersb.sth.,相当于offersth.tosb.,意为“向某人提供某物”。【固定搭配】offertodosth.主动提出做某事7.Don’ttakethatrisk.risk为名词,意为“危险,风险”。takearisk冒险。taketheriskofdoingsth.意为“冒险做某事”。Ago
8、odpilotnevertakesarisk.优秀的飞行员从来不冒险。8.Onceyougetintothehabitofsmoking,it’sno
