仁爱英语八年级上完整复习UNIT2-TOPIC2ppt课件

.,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)todo13giveupsthdoingsth14readinthesun15throwlitterabout16onthelawn17put-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donthaveto表示，而不用mustnot。如：MustIfinishittonight?No,youdonthaveto./No,youneednt.而mustnot译作“禁止做-”。如：Youmustnotthrowlitterabout.Dontthrowlitterabout.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,Imafraidwe_.Thatsthetrafficrule.AcanBmayChavetoDneed,2（11河南）_youwaitafewmoreminutes?Itllbeyourturnsoon.A.MustB.ShouldC.CouldD.Might3(10安徽）-Whatwilltheweatherbeliketomorrow?-Itberainy，cloudyorsunny.Whoknows?A.mustB.mightC.shallD.should4（11江西）Theworkistoohardforhim.He_finishitontime.A.cantB.mustntC.shouldntD.neednt5(12信阳模拟）Heeats_food,soheis_fat.Amuchtoo;toomuchBtoomuch;muchtooCmuchtoo;toomuchDtoomuch;toomany,c,c,B,A,B,.,Grammarfocus,Imustaskhimtogiveupsmoking.Youmustnotthrowlitteraround.hethinkssmokingcanhelphimrelax.Itmaycausecancer.MayIborrowyournewspaperandshowittomyfather?,.,Keysentences,Stayinguplateisbadforyourhealth.Howterrible!Dontwalkonthelawn.Itsnecessaryforustohavehealthyeatinghabits,.,Thankyou,.,Stayinguplateisbadforyourhealth.熬夜有害健康。stayuplate熬夜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.Itsverykindofyoutohelpme.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。Itsverydangerousforchildrentocrossthebusystreet.对孩子们来说，穿过繁忙的街道很危险。,.,Choosethebestanswers:,1.Youmustgiveup_.Itsbadforyourhealth.A.tosmokeB.smokeC.smokingD.smokes2.Throwinglitteraboutisabadhabit.Youhadbetter_.A.togiveupitB.togiveitupC.givingitupD.giveitup3.Tomfelltired.Thedoctoraskedhim_toolong.A.toworkB.doesntworkC.worksD.nottowork4.You_takeyourcattoth