2012高考英语一轮复习Unit2Healthyeating课件新人教版必修3

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必修3必修3话题1.Problemswithdiet(饮食问题)2.Balanceddietandnutrition(平衡膳食与营养)功能1.Suggestionsandadvice(建议和劝告)2.Seeingthedoctor(看医生)3.Agreementanddisagreement(同意与不同意)语法Modalverbs(Ⅱ)(情态动词Ⅱ)重点单词diet,energy,digest,balance,fry,ought,slim,curiosity,raw,lie,customer,strength,consult,debt,glare,limit,limited,benefit,discount,sigh,combine必修3重点短语be/goonadiet,oughtto,loseweight,getawaywith,tellalie/lies,win...back,indebt,spyon,cutdown,beforelong,earnone'sliving,putonweight,glareat,benefitfrom重点句型1.WangPengsatinhisemptyrestaurantfeelingveryfrustrated.2.“Nothingcouldbebetter,”hethought.3.HecouldnothaveYongHuigettingawaywithtellingpeoplelies!4.Perhapsweoughttocombineourideasandprovideabalancedmenuwithfoodfullofenergyandfibre.必修31.dietn.日常饮食;规定饮食;vi.节食归纳拓展keepabalanceddiet保持饮食平衡be/goonadiet节食putsb.onadiet限制某人的饮食Peoplewhoareonadietmustn'thavechocolate.正在节食的人不能吃巧克力。Nosugarinmycoffee,please.I'mdieting.请不要给我的咖啡放糖,我在节食。必修3同类辨析diet与food(1)diet指“惯常的或规定的食物”,特指维持健康的定量或定质的食物,又指疗养时规定的食物。常用于表示病人、犯人、减肥者等的食物。它是可数名词,其前需加不定冠词。(2)food一般用语,凡是能吃能喝的具有营养的东西都可称为food。它是不可数名词,但在表示食品的不同种类时,可以用复数。Thedoctorhasorderedmeaspecialdiet.医生给我安排了一套特殊的饮食。Wemusthavefoodtoeatandclothestowear.我们必须要有食物吃,有衣服穿。必修3【链接训练】用diet和food填空①TheChinese______isconsideredtobethehealthiestintheworld.②Peopleeatdifferentkindsof________whichcanchangeintoenergy.③Thesickmancan'tlivewithout________,buthemusthavea________withoutsugar.【答案】①diet②food③food;diet必修32.balancen.天平;平衡;余额;v.平衡;权衡归纳拓展(1)keepone'sbalance保持平衡loseone'sbalance失去平衡,心慌意乱offbalance失去平衡的;没有站稳定的onbalance考虑过一切以后,总的说来asenseofbalance平衡感keepabalancebetweenAandB保持A与B平衡(2)balanceAagainstB权衡/比较A与B(3)balancedadj.保持平衡的必修3Hekepthisbalancewithhisarmsontopofthewall.他在墙上用双臂保持平衡。IthinkonbalanceIpreferthenewsystem.总的说来,我觉得自己更喜欢新体制。Youshouldbalancetheadvantagesagainstthedisadvantagesbeforeyourfinaldecision.在作出决定之前,你一定要权衡利弊。必修3【链接训练】Ifyouwanttolearnskating,itisimportanttolearn________yourself.A.tokeeptobalanceB.tokeepbalancingC.tokeepskatingD.tokeeptoskate【解析】考查动词balance的用法和句意理解。因为从选项中看,在结构方面B、C两项均是正确的,keep后面须接动名词。对于学习滑冰而言,坚持练习固然重要,但更重要的是学会保持平衡。而C项的意思是“学会不断地滑”,显然不合句意,故答案为B。【答案】B必修33.lie(1)n.谎话;谎言awhitelie善意的谎言tellalie/liestosb.对某人说谎(2)v.说谎(lie-lied-lied-lying)lietosb.向某人说谎(3)vi.位于,躺(lie-lay-lain-lying)liedown躺下Therelies...某地有……必修3诱导展望(1)当lie表示“位于”时,liein指“位于……范围内”;lieon指“与……相邻;接壤;紧挨着”;lieto指“不接壤;隔……相望”。(2)layvt.放;搁;下(蛋);产(卵)(laid-laid-laying)laythetablefordinner摆桌子吃饭layeggs下蛋必修3Itisnowonderthatsheliedtothecourt.难怪她对法庭撒了谎。SichuanliesinthesouthwestofChina.四川位于中国的西南部。Shewouldlieawakeatnightsworrying.她老是在夜里睁着眼躺着,忧心忡忡。Themanlyingthereliedthathehadlaidthemoneyonthetable.躺在那里的那个人撒谎说他把钱放在桌子上了。必修3【链接训练】①Theboy________ontheground________thathehadseenacock________anegg.A.laying;lay;layB.lying;lie;lieC.lying;lied;layD.lay;lying;lay【解析】第一空应用现在分词表示“躺”的意思,作后置定语;第二空为谓语动词,作“撒谎”讲;第三空意为“产卵,下蛋”,用不带to的不定式作宾补。【答案】C必修3②It'snotrightto________alie,wheneverandwherever.A.tellB.speakC.sayD.talk【解析】tellalie意为“说谎”,是固定用法。【答案】A必修34.strengthn.[U]力气,力量;[C]强项,长处;优点归纳拓展(1)strong(adj.)强壮的→strength(n.)力量→strengthen(v.)加强;增强→strengthless(adj.)无力的(2)相关短语buildupone'sstrength增强实力/体力atfullstrength满员,满额in(great)strength人多势众地必修3Hepushedagainsttherockwithallhisstrength.他用全力推那块石头。Itmaytakeafewweeksforyoutobuildupyourstrengthagain.可能需要几个星期你才能恢复体力。Weshouldknowourstrengthsaswellasweaknesses.我们不仅应当了解我们的缺点,也应了解我们的优点。同类辨析strength,energy,force与power这组同义词都与“力”有关,其区别是:(1)strength指“(物的)强度、(人的)力气”,尤指承受重物的“力量”,还可指人的“强项、长处”。必修3(2)energy指物理定义“能”。用于人时,指人的精力、活力、工作能力,还可指“能量、能源”。(3)force指物理学意义上的“力”,尤指人或物撞击或推动物体时所用的“力”;也指为做成某事而使用的“力量”,还可指武力、强制力、效力。还可引申为“兵力、军队”。(4)power可指一切内存的、外来的、具体的或抽象的力,可引申为势力、政权;也指电力、动力、功率必修3Ididn'thavethestrengthtogetoutofbed.我没有力气下床。Youngpeopleusuallyhavemoreenergythantheold.年轻人比老年人精力更充沛。Theforceoftheexplosionbrokeallthewindows.爆炸力把窗子都震碎了。Congresshaspowertodeclarewar.国会有权宣战。必修3【链接训练】Competition,theybelieve,______thenationalcharacterratherthancorruptit.A.enforcesB.confirmsC.accordsD.strengthens【解析】enforce意为“强迫”,confirm意为“确认”,strengthen意为“加强”,accord意为“符合,协调,使……一致”。句意为:他们相信竞争能增强民族的品性,而不是使它堕落。由此可知选D。【答案】D必修35.consultvt.咨询;请教;商量;查阅;查找归纳拓展(1)consultsb.aboutsth.向某人咨询某事;向某人请教有关……的事consult(with)sb.(about/onsth.)(就某事)与某人商量consultadictionaryforthemeaningofaword查辞典找某词的词义(2)consultantn.顾问consultationn.咨询,商讨,协商必修3Ifthepaincontinues,consultyourdoctorwithoutdelay.如果疼痛持续不停,要立即请医生诊治。AnincreasingnumberofclientsareconsultingthemaboutSocialSecuritychanges.越来越多的客户向他们咨询有关社会保障制度的变化。Haveyouconsultedadictionary?你查过辞典了吗?Theministertodayhadconsultationswiththepresident.那个部长今日与总统进行了磋商。必修3【链接训练】①Theexpertsconsulted________eachother________howtoreducethelosscausedbytheearthquakeinYushu.A.with;aboutB.to;onC.for;atD.with;with【解析】consultwithsb.aboutsth.意为“就某事与某人商量”。句意为:专家们就如何减少玉树大地震造成的损失而相互商量。【答案】A必修3②Beforegoingonadiet,itisadvisableto________yourdoctor.A.tellB.consultC.lookupD.referto【解析】句意为:节食之前,最好先向医生咨询。tell“告诉”,后跟双宾语;consult“请教,咨询”;lookup“在(词典等)中查看……”;referto“谈到,提及,参考/查阅(资料),与……有关”。【答案】B必修36.limitn.界限,限度vt.限制,限定归纳拓展(1)gobeyond/overthelimit超过限度withinthelimitsof在……的范围内setalimitto/on=putalimiton...对……规定限度(2)limitsth.tost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