Unit3FoodandCultureUsinglanguage课文解析课件高中英语人教版选择性

选择性必修二Unit3

UsingLanguagelanguagepointsasto至于，关于；就……而论makeupahealthydiet

组成；补足；化妆；编造fattyfood高脂肪食物Thereisincreasingevidencethat

越来越多的证据表明therealdriverofpoorhealth

不良健康的真正推手asitis“事实上;实际情况是”belikelytodosth倾向于，很有可能diefromheartdisease死于心脏病regardlessof

不顾，不管Putmoresimply

简单地说,简而言之argueoversth(withsb)辩论某事，为…争论whetherornot

不论，是否Para.1TheAverageAmerican一个普通的美国人TheAmericanHeartAssociation美国心脏协会recommendsthatsb(should)do建议......limit...to把......限制在onecan(n.一听的量)ofsweetdrink一罐甜饮料asinglecandybar一块糖inotherwords换言之cutdownon削减，减少cutout切断；删去Para.2Beyondthis除此之外categoryn.种类；类别befullof富含ratherthan

而不是processedfoods加工食物containlessnutrition包含少的营养quantitiesof大量的freshingredients新鲜的原料dairyproducts乳制品providesthforsth提供

=privdesbwithsthaswith

正如；与…一样theidealdiet理想的饮食abalancedone

均衡的Para.3afundamentalkeyto(doing)一个(做..)基本要素ittakestimetodosth花费时间做某事endupdoing以…而告终allowssb.todo允许某人做某事digestyourfoodbetter更好消化食物inaddition

此外consistenteatinghabits固定的进食习惯takingthreemealsaday一日三餐atthesametimeeachday

每天固定时间amodestamountoffood适量食物ratherthan而不是Para.4Thereisnoonetrickto…没有诀窍haveahealthyattitudetowards…对…抱有健康的饮食态ontherighttrack思想正确；走对路了；未离题的beontheroadto在...过程中，在去...路途中Itisuptoyoutodosth.这取决于你makerightdecisions做出正确的决定Para.5

Thereismuchdebatenowadaysastowhatmakesupahealthydiet.Forexample，scientistshaveinsistedforyearsthatabigenemyofhealthisfattyfood.However，thereisincreasingevidencethattherealdriverofpoorhealthisnotsomuchfattyfood，asitissugaras

to/for是介词短语,用法与about相同。意为“至手，关于；就…而论makeup组成；构成；编造;和解；和好

makeup

化妆品insist

坚持；坚决要求

insiston/upondoingsth坚持做某事

insist+that从句insist表示“坚持主张”和“坚决要求”时that从句用虚拟语气；而表示“坚持说”和“坚持认为”时则仍用陈述语序。宾语从句宾语从句同位语语从句“推手”drivevt.推动；驱使asitis是一种语言衔接结构，意为“事实上，实际情况是”，多用来陈述一种原因或状况。完成句子（1）Ourteacherinsistedthatwe__________(要平衡学习与娱乐).（2）Sheinsistedthat________________（她是对的）.（3）Isuggestedthathe_______________（复习功课）forthecomingexam.（4）Hispalefacesuggestedthathe

（生病了）.（should)review/gooverhislessons(should)balancestudyandrecreation

wassick/fellill

【误区警示】suggest作“暗示，表明”讲时，insist作“坚持说”讲时，其后所接的宾语从句用陈述语气。Itsuggeststhatheisn’twillingtogowithus.

那表明他不愿意和我们一起去。 shewasright

教材原句p.32Putmoresimply，whilepeoplecontinuetoargueoverwhetherornotfattyfoodisdangerous，wealreadyknowthatsugarisakiller.简单地说，当人们还在为高脂肪食物是否有害而争论不休时，我们已经知晓糖分是健康杀手。 【句式分析】本句中while引导时间状语从句，从句中包含了whether引导的宾语从句，主句中含有that引导的宾语从句。领悟while的含义及句法功能（1）It’ssaidthatanAmericanoftenstartsaspeechwithajoke，whileanAustrianrarelydoesso.__________________（2）Whileonlineshoppinghaschangedourlife，notallofitseffectshavebeenpositive.______________________（3）Pleasedon’ttalksoloudlywhileothersareworking.______________________while意为“而，然而”，连接并列分句while意为“尽管，虽然”,引导让步状语从句while意为“当……时”，引导时间状语从句【辨析】when，while与as引导的时间状语从句（1）when引导时间状语从句时，从句的动作可与主句的动作同时发生，也可先于主句的动作发生。当表示两个动作同时发生时，when可与as，while互换。Whenshecomes，I’llinformyou.她来时我会告知你。［词汇复现］Heenteredtheroomwhen/while/asthemeetingwasgoingon.正在开会时他走进了房间。（2）while引导时间状语从句时，从句谓语动词用延续性动词，表示主句的动作在从句的动作过程中发生。Theyarrivedwhilewewerehavingdinner.我们正在吃饭时他们到了。Strikewhiletheironishot.趁热打铁。（3）as引导时间状语从句时，强调从句的动作与主句的动作同时发生，可译为“正当……时”“一边……一边……”“随着”。Thestudentstooknotesastheylistened.学生们边听边记笔记。Asshegrewolder，shebecamelessactive.随着年龄的增长，她变得不爱动了。 单句语法填空（4）［词汇复现］

shewasinParis，sheassociatedwithmanydistinguishedartists.（5）

shecomes，Iwilltellhertowaitforyou.（6）While

（give）concerts，themastermusiciancomposesmusicandrecitespoetry.（7）He’snotalittletired

Ifeelnotabittired.While/WhenWhengivingwhile

Muchofthisextrasugarcomesfromsweetsandsweetdrinks.TheaverageAmericangets1/3ofhisorhersugarthroughsweetdrinksalone.TheAmericanHeartAssociationrecommendsthatwelimitourselvestolessthan100－150caloriesadayfromsugar,whichislessthanwhatisusuallycontainedinonecanofsweetdrinkorinasinglecandybar

.Inotherwords,ifyouwanttobehealthy，youhavetocutdownondesserts,andcutoutsweetdrinksaltogether.limit...to...把...限制在...范围内cann.【C】【熟词生义】金属罐

abeercan啤酒罐acanofbeer一罐啤酒

cutdownon削减；减少...的量cutout切断；删去；停止宾语从句cutin插嘴，打断（谈话）cutacross/through抄近路穿过

cutaway切除；砍掉cutoff切掉；中断；使……与外界隔绝

cutup切碎；使伤心Para3定语从句过去分词作前置定语原因状从(Para4)Whatthismeansisthatpeoplewhochewtooquicklyendupeatingtoomuchfoodbecausetheystillfeelhungry.本句含有四个从句：what引出的主语从句whatthismeans;that引出的表语从句thatpeople…endup…;who

引出的定语从句whochewto