2020版高考英语总复习unit2healthyeating课时作业必修3 6页

Unit2Healthyeating　Ⅰ.阅读理解AThere?snodoubtthatwaterisvitaltoanylife.About60percentoftheaverageadulthumanbodyismadeofwater.Thisincludesmostofyourbrain,heart,lungs,musclesandskin,andevenabout30percentofyourbones.Yetthere?slittlescientificagreementabouttheexactamountofthestuffanindividualshouldconsumeeachday.Sohowmuchwaterdoyouactuallyneedtodrinktobehealthy? Youmayhaveheardthatyoushoulddrinkeight8-ounceglassesofwateraday.Yet,thedownsideofthisrule,researcherssay,isthatdrinkingwaterbytheglassisnottheonlywaythathumanstakeinit.The“8×8”ruleessentiallyoverlookstwobigsourcesofdailywaterconsumption.Onesuchsourceisfood.Everythingyoueatcontainssomewater.Watermelons,forexample,aremorethan90percentwaterbyweight.Differentdietsnaturallycontaindifferentamountsofwater.Theotherkeywatersourceisotherbeverages.Non-alcoholicdrinkssuchascoffee,andtea,containmostlywaterandallcontributetoyourhydration(水量).So,amongallthefood,waterandotherfluidsyouconsumeinaday,howmuchwatershouldyouaimtotakein?TheNationalAcademyofSciencessuggeststhatwomenconsumeatotalofapproximately2.7litres(91ounces)ofwaterfromallbeveragesandfoodseachdayandmen3.7litres(125ounces).Butthesearejustgeneralguidelines.Thetruthisthatthereisnomagicstandardforhydration—everyone?sneedvariesdependingontheirage,weight,levelofphysicalactivity,generalhealthandeventheclimatetheylivein.Themorewateryoulose,themorewateryou?llneedtoreplacewithfoodanddrink.Ifyouarelookingforconcreteadvice,though,thebestplacetolookiswithin.Drinkwaterwhenyou?rethirsty.1.HowdoestheauthorsupporttheunderlinedsentenceinParagraph1?A.Byprovidingfacts.B.Byaskingaquestion.C.Bymakingacomparison.D.Byputtingforwardsuggestions.2.Accordingtothe“8×8”rule,howmuchwatershouldwetakeinaday?A.8ounces.B.64ounces.C.91ounces.D.125ounces.3.What?sthedisadvantageofthe“8×8”rule?A.Thewaterfrombothfoodandotherbeveragesisignored.B.Itincludestheamountofwaterfrombothfoodandbeverages.C.Itdoesnottakewaterfromdrinksintoaccount.D.Itoverlooksthefactthatwetakein90%ofthewaterfromfruits.4.Whatcanweinferfromthefinalsuggestion?A.Amandoingtiringphysicalworkdrinkslessthan3.7litresaweek.B.Apersoningoodhealthdrinkswheneverhefeelsthirsty.C.Anoverweightmaleinahotsummerdrinks125ounceseverytwodays.nD.Afemaleeatingalotofwatermelondrinksmorethan91ouncesdaily.BWetalkaboutfoodinthenegative:whatweshouldn?teat,whatwe?llregretlater,what?sevil,dangerouslytempting,unhealthy.Theeffectsaremoreharmfulthananyoverindulgent(放纵的)amountof“badfood”caneverbe.Bygettinganxiousaboutfood,weturnoccasionsforcomfortandjoyintosourcesoffearandanxiety.Andwhenweavoidcertainfoods,weusuallycompensatebyconsumingtoomuchofothers.Allofthishappensunderthecoverofscience.Butacloserlookattheresearchbehindourfoodfearsshowsthatmanyofourmostdemonized(妖魔化的)foodsareactuallyfineforus.Takentoextremes,ofcourse,dietarychoicescanbeharmful—butthatlogiccutsbothways.Considersalt.It?struethat,ifpeoplewithhighbloodpressureconsumealotofsalt,itcanleadtocardiovasculareventslikeheartattacks.It?salsotruethatsaltisoverusedinprocessedfoods.ButtheaverageAmericanconsumesjustoverthreegramsofsodium(钠)perday,whichisactuallyinthesweetspotforhealth.Eatingtoolittlesaltmaybejustasdangerousaseatingtoomuch.Thisisespeciallytrueforthemajorityofpeoplewhodon?thavehighbloodpressure.Regardless,expertscontinuetopushforlowerrecommendations. Nevertheless,we?vebecomemoreandmoreinfluencedbyargumentsthatwemustavoidcertainfoodscompletely.Whenonepanic-causingitemfades,wefindanotherfocusforourfears.Wedemonizedfats.Thencholesterol.Thenmeat.Isitaproblemthatpeoplewanttoavoidfood?Theansweris:yes.Becauseitmakesfoodscary.Foodshouldbeacauseforpleasure,notpanic.Formostpeople,it?sentirelypossibletoeatmorehealthfullywithoutlivinginterrororstrugglingtoavoidcertainfoodsaltogether.Ifthere?sonethingyoushouldcutfromyourdiet,it?sfear.5.Whatmightbetheresultofavoidingcertainfood,accordingtotheauthor?A.Becominghealthy.B.Overeatingotherfoods.C.Regrettinglater.D.Enjoyingcomfortandjoy.6.Whatdoestheunderlinedphrase“inthesweetspot”inParagraph4referto?A.Suitable.B.Unclear.C.Toomuch.D.Toolittle.7.Bylistingonefoodafteranothertofear,theauthormeansthat　　　　. A.peopleareeatingunhealthyfoodB.theenvironmentisunsafeC.there?snopointavoidingcertainfoodD.peopleshouldbecarefulaboutfood8.Whichofthefollowingcanbethebesttitleforthetext?A.TreatingfoodnegativelyB.AvoidingfoodskilfullyC.ConsumingsaltwithoutcautionD.EatingfoodwithoutfearⅡ.语法填空n阅读下面短文,在空白处填入1个适当的单词或括号内单词的正确形式。AndrewandPeggyTsiangCheng,now70,opened1.　　　　(they)firstChineserestaurantin1973with$60,000fromsavings,plus2.　　　　(relative)whoworkedforfree.NowPandaRestaurantGroupisthenation?sleaderinAsianfast-casualrestaurantsintheUSA.Theircompanynowmanages3.　　　　totalof1,500Pandachainstoresin42states,anditis4.　　　　(celebrate)its45thanniversarythisyear.AndrewstillrememberedthatwhenheworkedinNewYork,hehadtowait5.　　　　tablesinrestaurantseveryday.Hisfatherwasachefbuthehadn?thadhisownbusiness.Heknewhewanted6.　　　　(be)inbusiness.Atfirsttheyopenedchainstores7.　　　　(mere)inmalls.Thentheyopenedstoresonthestreets.Theydidstreetmarketingwithadiscountprogramme.TheyknewthatAsiancuisinewasdesirableandtherewasa8.　　　　(reason)renttoensureprofit.Thebestplacewasonacorner,forgooddaytimetrafficandnight-timeaccess.Nowtheyhave9.　　　　(develop)intoachainChinesefastfoodkingdom.Backin1973,itwasaboutmakingalivingforthefamily.Todayit?saboutchallengingthemselvesandseeing10.　　　　allofthemontheteamcanachieve. Ⅲ.短文改错DearJim,I?dliketoinviteyoufordinnerinaChineserestaurantinLosAngeles.Icanimaginehowsurprisingyouare!Infact,Iamtherevisitingmyuncle,whohappenedtobeworkinginthecityatpresent.TheChineserestaurantnamingNewPandaBuffetprovidesgenuineChinesefood,wheremanydinershavegiven5-starreviews.Itislocatedat5120RodeoRd,LosAngeles.Couldyoucomeat6pmonFriday?Bytheway,Iwillpresentyouwithagosetthen.IreallyappreciatethatyouhavedonetohelpmewithmyEnglishduringthepasttwoyears.Butyou,IwouldnothavemadesuchagreatprogressinEnglish.nLookingforwardtoyouearlyreply!Yours,LiHua课时作业(十二)Ⅰ.A【文章大意】本文是一篇说明文,主要介绍了如何健康饮水,以及饮水量应为多少。1.A　推理判断题。根据第一段第二句和第三句可知,作者通过摆事实,举例子来证明水对人的身体的重要性,故选A。2.B　细节理解题。根据第二段第一句“Youmayhaveheardthatyoushoulddrinkeight8-ounceglassesofwateraday.”可知,8×8原则就是每天要喝64盎司的水,故选B。3.A　细节理解题。根据第二段的“The‘8×8’ruleessentiallyoverlookstwobigsourcesofdailywaterconsumption.Onesuchsourceisfood.”以及“Theotherkeywatersourceisotherbeverages.”可知,8×8原则的缺陷就是忽略了人们从食物和饮料中摄取的水量,故选A。4.B　推理判断题。根据最后一段最后两句“Ifyouarelookingforconcreteadvice,though,thebestplacetolookiswithin.Drinkwaterwhenyou?rethirsty.”可推知,作者最后对饮水量多少的建议就是渴了就喝水,故选B。B【文章大意】本文是一篇议论文,主要讨论了人们对一些食物的错误认识,提倡人们正确认识食物,健康饮食、快乐饮食。5.B　细节理解题。根据第二段最后一句“Andwhenweavoidcertainfoods,weusuallycompensatebyconsumingtoomuchofothers.”可推知,人们在避免某些食物时,会食用过量其他食物来进行补充,故选B。6.A　词义猜测题。根据第四段第四句的转折,并与前文形成对比可推知,实际上普通美国人每天食用三克多一点儿的盐是不过分的,对健康是有利的,由此可推知,画线短语的意思是“合适的”,故选A。7.C　推理判断题。根据最后一段倒数第二句“Formostpeople,it?sentirelypossibletoeatmorehealthfullywithoutlivinginterrororstrugglingtoavoidcertainfoodstogether.”和对最后一段的整体理解可推知,作者罗列出人们所恐惧的食物目的是提醒人们这些都是不必要的,只要适量食用,这些食物对身体健康是没有坏处的。毕竟人们总是要吃饭的,吃饭是一种快乐而不是恐惧,故选C。8.D　标题概括题。根据第一段的导入,并结合最后一段的点题可推知,本文主要讲述的是人们对食物的一些错误的恐惧认识,作者提倡快乐饮食、健康饮食,故选D。Ⅱ.【文章大意】本文是一篇记叙文,主要讲述了一家美国中餐厅的发展史。1.their　考查代词。此处用形容词性物主代词their修饰名词firstChineserestaurant,在语境中作定语。n2.relatives　考查名词复数形式。根据语境可知,此处表示人的概念,且没有被冠词修饰,故用复数形式。3.a　考查冠词。atotalof意为“总共”,符合语境,故用不定冠词a。4.celebrating　考查动词时态。根据语境thisyear可知,此处用现在进行时,表示现在正在进行的动作或状态,与语境中is呼应。5.for　考查介词。固定词组搭配:waitfor意为“等待”,符合语境,故用介词for。6.tobe　考查非谓语动词。wanttodosth意为“想要做某事”,符合语境,故用不定式作宾语。7.merely　考查副词。副词修饰动词、副词、形容词或者整个句子,在句子中作状语,故用副词merely修饰介词短语inmalls。8.reasonable　考查形容词。修饰名词的词一般为形容词,故用形容词reasonable修饰名词rent,在句子中作定语。9.developed　考查动词时态。与语境中now呼应可知,此处用现在完成时,即:have+done的形式,表示过去发生的事情对现在造成的影响。10.what　考查连词。what引导宾语从句,在从句中作宾语,表示物的概念。Ⅲ.DearJim,I?dliketoinviteyoufordinnerinaChineserestaurantinLosAngeles.Icanimaginehowsurprisingyou┬to┬surprisedare!Infact,Iamtherevisitingmyuncle,whohappenedtobeworkinginthecityatpresent.┬here┬happensTheChineserestaurantnamingNewPandaBuffetprovidesgenuineChinesefood,wheremanydiners┬named┬whichhavegiven5-starreviews.Itislocatedat5120RodeoRd,LosAngeles.Couldyoucomeat6pmonFriday?Bytheway,Iwillpresentyouwithagosetthen.Ireallyappreciatethatyouhavedonetohelpmewithmy┬whatEnglishduringthepasttwoyears.But或∧┬foryou,IwouldnothavemadesuchagreatprogressinEnglish.┬WithoutLookingforwardtoyouearlyreply!┬yourYours,LiHuan