Unit2Topic2Imustaskhimtogiveupsmoking.ZhouJunfeng一、重点短语1.stayuplate2.bebadfor3.begoodfor4.toomuch5.domorningexercises6.keepfingernailslong7.playsportsright8.gotoschoolwithoutbreakfast9.haveabath洗澡10.takeafreshbreath呼吸新鲜空气熬夜不吃早餐去上学对------有害对------有益进行适当的体育锻炼长长指甲做早操太多11read----about---12asksb(not)todo13giveupsth\doingsth14readinthesun15throwlitterabout16onthelawn17put----into-----18exerciseonanemptystomach19getinto20keeptheaircleanandfresh21washhandsbeforemeals22potatochipsasweknow读关于------在太阳底下看书众所周知炸薯条饭前洗手保持空气清新空腹锻炼放弃某事进入把---放入---在草坪上叫----做(不做)某事乱扔垃圾二、重点句型1Stayinguplateisbadforyourhealth.2Itwillkeepyouactiveduringtheday.3Differentfoodshelpusindifferentways4Ifweeattoolittleortoomuchfood-----5Itisnecessaryforustohavehealthyeatinghabits.三、语法学习1情态动词must及其否定形式mustnotmust译为“必须做------”,其否定意义“不必做-------”,用don`thaveto表示,而不用mustnot。如:——MustIfinishittonight?——No,youdon`thaveto./No,youneedn’t.而mustnot译作“禁止做--------”。如:Youmustnotthrowlitterabout.Don`tthrowlitterabout.别到处乱扔垃圾。2动名词1.动名词短语表单件事情做主语,已经名词化相当于名词,不是动作,谓语用单数:Gettingupearlyisgoodforus.Goingtobedlateisbadforourhealth.Playingsportsrightaftermealsisbadforourhealth.Breakfastgivesyouenergyforthemorning.Waterisnecessaryforourhealth.2.不只一件事情做主语,谓语用复数:Healthyeatinghabitsandrunningaregoodforus.Waterandricearenecessaryforourhealth.3.使用动名词做宾语的动词practice/mind/enjoy/love/keep+doingsth/sth,1(’13河南)---Dad,mustwewaituntilthelightbecomesgreen?---Yes,I’mafraidwe______.That’sthetrafficrule.A.canB.mayC.havetoD.need2(11河南)_______youwaitafewmoreminutes?It'llbeyourturnsoon.A.MustB.ShouldC.CouldD.Might3(10安徽)-Whatwilltheweatherbeliketomorrow?-Itberainy,cloudyorsunny.Whoknows?A.mustB.mightC.shallD.should4(11江西)Theworkistoohardforhim.He_______finishitontime.A.can'tB.mustn'tC.shouldn'tD.needn't5(12信阳模拟)Heeats___food,soheis_____fat.Amuchtoo;toomuchBtoomuch;muchtooCmuchtoo;toomuchDtoomuch;toomanyccBABGrammarfocusImustaskhimtogiveupsmoking.Youmustnotthrowlitteraround.…hethinkssmokingcanhelphimrelax.Itmaycausecancer.MayIborrowyournewspaperandshowittomyfather?KeysentencesStayinguplateisbadforyourhealth.Howterrible!Don’twalkonthelawn.It’snecessaryforustohavehealthyeatinghabits•Stayinguplateisbadforyourhealth.熬夜有害健康。1.stayuplate熬夜2.bebadfor对--------有害。begoodfor---对------有好处3.stayinguplate---动名词作主语。当我们需要一个动词充当主语时,常用此动词的动名词(即doing)形式。如:Playingbasketballisgoodforyourheath.Readinginbedisbadforyoureyes.Itwillkeepyouactiveduringtheday.它会使你在白天保持活力。keepsth/sb.+adj.保持某物/某人在某种状态。如:keepyourfingernailsclean.保持你的指甲干净。keepourstreetsclean.让街道保持干净。little少得几乎没有,表否定,修饰不可数名词。alittle有一些,表示肯定,修饰不可数名词。与little,alittle类似的用法的还有few,afew。few少得几乎没有,表否定,修饰可数名词。afew有一些,表示肯定,修饰可数名词。benecessaryfor----对--------来说是必不可少的如:Sunshineisnecessaryforourlife.阳光对于我们的生活来说是必不可少的。Foodisnecessaryforlife.食物是生命所必需的Itis+adj+forsbtodosth与Itis+adj+ofsbtodosth有何区别?若形容词是描述人的性格、特征、品质的,如kind,good,nice,right,wrong,clever,careless,polite,foolish等,用ofsb.It’sverykindofyoutohelpme.你能帮我,真好。若形容词是描述事物,不是对不定式行为者的品格进行评价,用forsb,这类形容词有difficult,easy,hard,important,dangerous,(im)possible等。It’sverydangerousforchildrentocrossthebusystreet.对孩子们来说,穿过繁忙的街道很危险。Choosethebestanswers:1.Youmustgiveup____.It’sbadforyourhealth.A.tosmokeB.smokeC.smokingD.smokes2.Throwinglitteraboutisabadhabit.Youhadbetter_____.A.togiveupitB.togiveitupC.givingitupD.giveitup3.Tomfelltired.Thedoctoraskedhim_____toolong.A.toworkB.doesn’tworkC.worksD.nottowork4.You____takeyourcattotheschool.A.can’tB.maynotC.mustn’tD.must5._____eatthatfish.It’sbad.A.Don’tB.DoC.IsD.Isn’t6.Youaresocareless.You_____morecarefulnexttime.A.mustareB.mustn’tareC.mustbeD.mustn’tbeCDDCAC知识回顾KnowledgeReview祝您成功!