Unit 3 Healthy Eating Using language帶課文解析課件-高中英語(yǔ)人教版選擇性必修第二冊(cè)

HealthyEatingUsinglanguageAhealthydietcerealvegetablesfruitmeat……1.Whatdoyouthinkmakesupahealthydiet?2.Whataresomerulesforhealthyeating?havingmealsontimekeepinganeyeoncalorieintake…Readthepassageandthenmatchthesubheadingswiththeparagraphs.Paragraph1Paragraph2Paragraph3Paragraph4Paragraph5A.SlowEatingisGoodB.ReducingSweetsisKeyC.TheRealKillerisSugarD.TheWayYouLookatFoodisMostImportantE.KeepItFreshandBalancedThereismuchdebatenowadaysastowhatmakesupahealthydiet.Forexample,scientistshaveinsistedforyearsthatabigenemyofhealthisfattyfood.However,thereisincreasingevidencethattherealdriverofpoorhealthisnotsomuchfattyfood,asitissugar.HeartdiseaseisthenumberonekillerofAmericans.AndinAmerica,peoplewhoreceive25%oftheirdailycaloriesormorethroughsugararetwiceaslikelytodiefromheartdiseasethanpeoplewhoreceivelessthan10%aday(JournaloftheAmericanMedicalAssociation,2014).Thisistrueregardlessof

howhealthytherestoftheirdietmightbe.Putmoresimply,whilepeoplecontinuetoargueoverwhetherornotfattyfoodisdangerous,wealreadyknowthatsugarisakiller.as

to是個(gè)“復(fù)合介詞”，用法與about相同。意為“至手，關(guān)于；就…?而論”后面跟名詞、代詞或wh-引導(dǎo)的名詞性從句。makeup：和解；組成；構(gòu)成；編造，虛構(gòu)（故事、借口等）；給…化妝；補(bǔ)齊（數(shù)量）;配（食品、藥等）；鋪（床）；搭（鋪）adj. 富含脂肪的;脂肪的;肥胖的;n. 胖子;associatevt.聯(lián)系；聯(lián)想associate...with...把……與……聯(lián)系起來(lái)①regardlessof不管;不顧后可接名詞、代詞或賓語(yǔ)從句

②regard

n.問(wèn)候(常用復(fù)數(shù));尊重;關(guān)心v.看待;將……認(rèn)為③regard...as...把……看作……④regard...with...以某種情感看待……while作連詞時(shí)，有如下釋義：(1)當(dāng)……時(shí)候；和……同時(shí)(2)雖然；盡管WhileIseewhatyousay,Ican’tagreewithyou.(3)(表示對(duì)比)然而argueabout=argueover,意思為就...爭(zhēng)吵arguewithsb.onsth.：與某人爭(zhēng)辯某事

歸納拓展①在教材原句中that引導(dǎo)的是同位語(yǔ)

從句。此時(shí)that在從句中不充當(dāng)成分且無(wú)詞匯意義,只起連接作用,但不能省略。另外,whether、what、who、how、when等也可以引導(dǎo)同位語(yǔ)從句。②在某些名詞,如advice、demand、suggestion等后面的同位語(yǔ)從句要用虛擬語(yǔ)氣,即謂語(yǔ)動(dòng)詞用“should+動(dòng)詞原形”結(jié)構(gòu),其中should可以省略。1(2019江蘇,25,)Scientistshaveobtainedmoreevidencethatplasticisfindingitswayintothehumanbody.考查名詞性從句。句意:科學(xué)家已經(jīng)獲得塑料正在偶然進(jìn)入人體的更多證據(jù)。設(shè)

空處引導(dǎo)同位語(yǔ)從句,解釋說(shuō)明evidence的具體內(nèi)容,且從句中不缺成分,故用that。2(2018課標(biāo)全國(guó)Ⅲ,閱讀理解C,)Wangbelievestraditionsshouldnotbesealedinglassboxesatmuseums.“Thatisonlyevidencethat

traditions

onceexisted,”hesaid.考查名詞性從句。句意:王認(rèn)為傳統(tǒng)不應(yīng)該被封在博物館的玻璃盒里。他說(shuō):“那

只是傳統(tǒng)曾經(jīng)存在過(guò)的證據(jù)?！眅vidence后面接的是由that引導(dǎo)的同位語(yǔ)從句,說(shuō)明evidence的內(nèi)容。注意:that沒(méi)有具體的意思,不充當(dāng)任何成分,只起連接作用,但

不能省略。1.Whatismorelikelytocauseheartdisease?A.Fattyfood.

B.Roastedfood.C.Meat. D.Sugar.答案

D

Muchofthisextrasugarcomesfromsweetsandsweetdrinks.TheaverageAmericangets1/3ofhisorhersugarthroughsweetdrinksalone.TheAmericanHeartAssociationrecommendsthatwelimitourselvestolessthan100-150caloriesadayfromsugar,whichislessthanwhatisusuallycontainedinonecanofsweetdrinkorinasinglecandybar.Inotherwords,ifyouwanttobehealthy,youhavetocutdownondesserts,andcutoutsweetdrinksaltogether.cutdownthetrees砍樹(shù)，降低。cutdown用法更廣泛。cutdownon表示“減少……的量”，表示把sth的量減少一部分。cutout1.切去；割去；剪去；刪去2.裁剪；剪出；開(kāi)出3.安排，計(jì)劃；派定，規(guī)定4.停止；中斷；關(guān)掉，切斷...的電流本句recommend意為“建議”，后面跟that引導(dǎo)的賓語(yǔ)從句，從句使用了省略should的虛擬語(yǔ)氣。一堅(jiān)持：insist二命令：order;command三要求：demand;require;request四建議：advise;suggest;propose;recommend勿忘：propose;urge與desireBeyondthis,youcankeephealthybyconsumingdifferentcategoriesoffreshfoods,especiallyfruitandvegetables,whicharefullofvitaminsandfibre,ratherthanprocessedfoods.Processedfoodsoftencontainlessnutrition,andhavehigherquantitiesofsugar,salt,andfatthanfreshingredients.Besidesthis,itisalsoimportanttohavesomemeat,beans,ordairyproductsinyourdiet,astheyprovidethenecessaryproteinforstrongbonesandmusclegrowth.Aswitheverythinginlife,moderationiskey.Theidealdietisabalancedone,withouttoomuchortoolittleofanyonething.quantitiesof/aquantityof“大量的”，后接可數(shù)名詞復(fù)數(shù)或不可數(shù)名詞，如果修飾的名詞做主語(yǔ)，謂語(yǔ)的單復(fù)數(shù)形式由quantity的單復(fù)數(shù)決定Quantitiesofnutswereonthetable.Aquantityofnutsareonthetable.aswith的意思是：如同，和......一樣，就......而言idealadj.理想的;完美的;想象的n.理想;完美的人(或事物)①idean.主意;想法;意見(jiàn)②ideally

adv.理想地;完美地2.Whichofthefollowingcontainsrichvitaminsandfibre?A.Vegetables. B.Beans.C.Dairyproducts. D.Meat.答案

A

Finally,afundamentalkeytohealthyeatingistoeatslowly.Ittakesabouttwentyminutesfromthetimeyoustarteatingforyourbraintotellyourbodythatyouarefull.Whatthismeansisthatpeoplewhochewtooquicklyendupeatingtoomuchfoodbecausetheystillfeelhungry.Eatingslowlyalsoallowsyourbodytodigestyourfoodbetter,andwillallowyoutoenjoyyourfoodmore.Inaddition,studiesshowthatconsistenteatinghabits,forexample,takingthreemealsadayatthesametimeeachday,arebetterforourhealth.Itisalsobettertoeatamodestamountoffoodeachtime,ratherthantoeatalotinonemeal,andthenalittleinthenext.fundamentaladj.根本的；基本的；基礎(chǔ)的n.基本規(guī)律；根本法則befundamentalto...是……的基礎(chǔ)；對(duì)……至關(guān)重要fundamentallyadv.根本地；基本地(Para4)Whatthismeansisthatpeoplewhochewtooquicklyendupeatingtoomuchfoodbecausetheystillfeelhungry.本句含有四個(gè)從句：what引出的主語(yǔ)從句whatthismeans;that引出的表語(yǔ)從句thatpeople…endup…;who

引出的定語(yǔ)從句whochewtooquickly;because引出的原因狀語(yǔ)從句becausetheystillfeelhungry.3.Howshouldweeatourfood?A.Chewitquickly. B.Enjoyitslowly.C.Eatasmuchaspossible. D.Eatalotinonemeal.答案

B

Thereisnoonetricktohealthyeating.Rather,healthyeatingstartswithhavingahealthyattitudetowardsfood.Onequestionyoucanaskyourselfis,“DoIeattolive,orlivetoeat?”Ifyouareusingfoodmostlyfornutrition,thenyouareontherighttrackwithyourdiet.However,iffoodhasbecomethecentreofyourlife,youmightbeontheroadtobadhealth.Itisuptoyoutodecidehowyouwanttolive,andtomaketherightdecisionsaboutyourdiet。trickn.訣竅;計(jì)謀;把戲

v.欺騙;欺詐adj.使人產(chǎn)生錯(cuò)覺(jué)的②playatrick/trickson

sb.捉弄某人③beuptoone'soldtricks故技重演;耍老花招

④odoingsth.騙某人做某事ontherighttrack做的事情或想法是好的、方向是正確的、能得到好的結(jié)果beuptosb.todosth.由某人決定做某事upto多達(dá)(后常接數(shù)字)；從事；忙于uptosb.由某人決定uptosth.勝任某事uptonow到目前為止uptodate最新的；新式的4.WhatisthemainideaofParagraph5?A.Thewayyoulookatfoodismostimportant.B.Eatingslowlyisgood.C.Reducingsweetsisthekey.D.Keepyourdietbalanced.答案

A

5.Whereisthistextmostlikelyfrom?A.Anovel. B.Aguidebook.C.Adiary. D.Amagazine.課文語(yǔ)法填空Whatmakesupahealthydiet?Scientistshavefoundthattherealdriverofpoorhealthissugarratherthansomuchfattyfood.Thisistrueregardless1.____howhealthytherestoftheirdietmightbe.Soifyouwanttobehealthy，youhavetocutdownonsweet.Beyondthis,youcankeephealthybyconsumingdifferent2.____(category)offreshfoods,especiallyfruitandvegetables.Itisalsoimpor