【文档说明】Unit2 Using language 课后练.doc，共(7)页，41.500 KB，由小赞的店铺上传

转载请保留链接：https://www.doc5u.com/view-eeac796eaaca9642cd35d08eb49cca5b.html

以下为本文档部分文字说明：

Unit2Usinglanguage课后练PartI基础部分一、单词拼写1.Mydaughter________(告知)methatshewaspregnant.2.Weinterviewedagreatmanycandidatesbutnoneofth

em________(使印象深刻)us.3.Hehasanumberofsocial________(约会)nextweek.4.Hetriedtosound________(漫不经心的),butIknewh

ewasworried.5._________(总的来说),thisisaveryusefulbook.6.ThetriptoPariswillbean________(理想的)opportunitytopractisemyFrench.7.AsfarasIamconcerned,health

yhobbiesarebeneficialtoour________(全面的)development.8.Koreanbarbecuefeaturesthinslicesofbeefor________(猪肉)thatcookedandservedwithrice.9.Bey

ondourexpectation,lambkebabweorderedwas________(有点)expensive.10.Theybelievea________(基本的)changeintheassocia

tionisthekeytoallothernecessarychanges.二、单句语法填空1.Thecolorandflavorofcuisinemainlydependonthe_____(moderate)ofingredients.2.We

mustsparenoefforttostudy,orwewillendup_____(do)nothing.3.Thereisnodenyingthereisaclose_________(associate)bet

weensmogandlungcancer.4.Asweknow,theconstructionindustryconsumeslarge_________(quantity)ofenergyandresourcesan

dcreatesahugeamountofpollution.5.Insummary,theresultsareentirely_________(consist)withourearlierresearch.6

._____(chew)rawonionswillmakeyourtearsrolldownyourface.7.Theactivitywillstartnextweekandlastforamonth,_____(aim)toreducetheextracalorieswetakeinand

developahealthyeatinghabit.8.Sheis______(fundamental)agoodstudent,butsometimessheishardtocommunicatewith.9.We

cankeephealthybyeatingdifferent_____(category)offreshfoods,especiallyfruitandvegetables.10.Additionally,I'mcrazytolearnhowtoappreci

atewesternpaintings,anditcan'tbebetterifyoucantellussome_____(trick)abouthowtopaint.三、选词填空regardlessof,

becoveredwith,warmup,combine...with,cutdown,behighin,getridof,incash1.MrSmith'sgarden____________somanybutterfliesthatIcould

hardlyseetheflowers.2.TolearnEnglishwell,wemust____________intensivereading____________extensivewriting.3.TheInternet

makessurveyingandvotingeasyandconvenient,____________timeandspace.4.Ifwefailtosellenoughgoods,comparedwithlastyear,wewillhaveto____________pro

duction.5.Thebestwayto____________anegativeself-imageistorealizethatyourimageisfarfromobjective.6.Makemaximumuseofthewholefrui

t,includingthepulpwhich____________fibre.7.Themanagerinsistedonpaying____________ondeliverywithoutallowinganydiscount.8.Scientistspredictthattheworl

dislikelyto____________overthenextfewdecades.PartII提高部分一、阅读理解There'sbeenlotsofconcernrecentlyaboutthepotentialdangersofmicrowave

popcorn(爆米花),butisthisconcernfounded,orjustovermuchfear-spreading?Theansweristhatmanyofthechemicalsthatcausedworr

yinearlierdecadeshavebeenremovedfrommicrowavepopcorn,butsomecriticsstillarenotsatisfied."Youmayconsiderpo

pcorntobealow-calorie,high-fibersnack,butmicrowavepopcornisn'tahealthychoice,"explainsnutritionexpertDanDeFigi

o.That'sbecausemicrowavepopcornbagswerecoatedwithperfluorinatedchemicals(PFCs)topreventoilsubstancefromleakingout.OneparticulartypeofPFC,kno

wnasperfluorooctanoicacid(PFOA),hasbeenlinkedtocertaincancers,buttheAmericanCancerSocietysaystheevidenceis

unsureandmoreresearchisbeingdoneaboutthis.Nevertheless,inresponsetoconcernsaboutPFCs,theU.S.FoodandDrugAdministration(FDA)workedwithpopcornmakers

backin2011toremovePFOAfromtheirpackaging.ThreemorePFCswerebannedinthenextfiveyears.Sotoday'smicrowavepopcorndoesn'thavethesec

hemicals,butcriticssaythatthealternativescouldcauseproblemsastheoldones,butlessisknownaboutthem.That'snottheonlyproblem,however.Thechemicalt

hatfordecadeslentbutterydeliciousnesstopopcornhasalsobeenconnectedinrarecaseswithmajorlungdamage.Knownasdiacetyl(二乙酰),it'slongbeen

adocumentedproblemwithworkersinpopcornmakingfacilities,butalsocanberiskyforpeoplewhojusteatthesnackalot.A

2007studypublishedinthejournalCriticalReviewsfoundthatmorethan80percentofchemicalreleasehappenedwhenthebagwasope

nedpost-popping.Althoughdiacetylhasbeenremovedfrommostproducts,somecriticsclaimthatthealternativetodiacetylisalsoharmful.Mostof

theexposuretodiacetylcamefrominbreathingratherthaneatingpopcorn.Therefore,expertsrecommendatleastwaitingforthebagtocool

beforeyouopenittoreducepotentiallyharmfulchemicalexposure.Betteryet,makeyourownfreshathomewithanairpopper.Ifyo

uliketoflavorit,addorganicbutterorsomecheese.1.WhatcanweknowaboutPFOAfromthetext?A.PFOAhasbeenremovedfromPFCs.

B.PFOAcanstoptheleakofnutrition.C.PFOAinpopcornbagsleadstocancer.D.PFOAdoesn'texistinpopcornbagsinAmericacurrently.2.Accordingtothetex

t,whoaremostprobablyexposedtodiacetyl?A.Criticsclaimingdiacetylisharmful.B.Workersmakingpopcorninfactories.C.Peoplemakingpopcornwithanairpopper.

D.Consumerseatingmicrowavepopcornoccasionally.3.Whatdoesthelastparagraphintendtotellus?A.Howtoflavorpo

pcorn.B.Howtomakepopcornsafer.C.Howtomakepopcornathome.D.Howtofindalternativestodiacetyl.4.Whatisthebesttitleofthetext?A.IsPop

cornaHealthyChoice?B.ShouldWeBanMicrowavePopcorn?C.IsMicrowavePopcornReallyDangerous?D.ShouldPFCsBeRemovedf

romMicrowavePopcorn?二、七选五Acalorieisaunitofenergy.Thecaloriesyouseeonnutritionlabels,however,areactuallykilocalories.___1____Onekiloca

lorieistheamountofenergyrequiredtoheat1kilogramofwaterby1degreeCelsius.Caloriesinourfoodallcomefromoneofthethreenutrients:fat,carboh

ydrates(碳水化合物)andprotein.In1990,theUSgovernmentpassedanact(法案),whichmeansthatbeforeanypackagedfoodintheUShitstheshelves,foodscienti

stshavetomeasureitsnutrientsandcalories.Onewaytodothisiswithatoolcalledacalorimeter(热量计).____2___Tousethis

tool,scientistsplacethefoodinasealedcontainersurroundedbywaterandheatituntilthefoodiscompletelyburnedoff.Scienti

ststhenrecordtheriseinwatertemperaturetodeterminethenumberofcaloriesintheproduct.___3____Itwasdevelopedbythe19th-centuryUSchemistWilburAtwat

ertoindirectlyestimateofthenumberofcaloriesinfoodproducts.Calorimetersdon'ttakeintoaccountthathumanslosesomecaloriesthroughhe

atandfeces(排泄物).Atwater'sexperimentshavefoundthatproteinsandcarbohydrateseachhaveabout4caloriespergramandfatshave9caloriespergram.___4____How

ever,someexpertssaythattheAtwatersystemisoutdatedandinaccurate.___5____Besides,itdoesn'ttakeintoaccountthediges

tiveprocess,butassumescompletechangeofnutrientstoenergy.A.Thatisthe4-9-4system.B.Foodscientistsalsorelyonanothercalculation.C.Thesecaloriecount

saren'tincrediblyaccurate.D.ItwasmorethanlikelycalculatedthroughtheclassicAtwatersystem.E.Thistooldirectlymeasurestheamountofenergythatacertai

nfoodcontains.F.Foodpackagingalwaysreferstokilocalories,eventhoughitjustsays"calories".G.Theysaytheen

ergycontentofcertainfoodscouldn'tbeaccuratelycalculated,suchasnuts,bytheAtwatersystem.三、完形填空Annawasveryparticularaboutfood.Shenevera

tethewonderfulpizzasoricecreamshermothermade,whichwereherparents'1.Shejustateotherthings.Annawas2,butherpa

rentswerebothfat.Theirlikeswereherdislikes.3,everyonewonderedwhoshehadtakenafter.Anna'sparentsthoughtshewasi

ll.Oneday,theywenttoseeadoctor.Hetookthemtoamachine.Thenheputaplateoffishinfrontofthem,and4onthemachine

.Itstartedplayingsounds:waves'5soundandthesongsofseabirds.Aftersometimethedoctor6thefishwithfruitandvegetables.Thesounds

ofthesea7,andtherecamethesoundsofgentlewind,birdsong,andrain.Allofthemenjoyedthebeautifulsoundsofnature,butthe

doctor8theplateagain.Andthistimeitwasadishofmeat.Themachinestartedmakinglivelysounds:thesoundof9animals.Stillquitepleasant.The

nthedoctorbroughtastronglysmellingpizza.Themachineseemedto10down.Insteadofbeautifulsounds,outcamenoisysounds.Thenoisewassodisturbingth

atthefamilyhadtoaskthedoctortochangethe11offood.Thedoctorbroughtthemicecreams,burgersandcandy...buttheythoughtthesoundswerestill12.FinallyAnn

a'sparentsaskedthedoctortobringfruitback."Annaisn'till,"saidthedoctor."Shecanunderstandeachtypeoffood'sown13.Itcomesfromwherethefoodw

asborn,raised,andprepared.Annawantstoeatthefoodwhosemusicis14.That'swhyshe'sslimandhealthy."Thesedays,t

heyalllookslim,15fromthenon,inthehousepizzas,burgers,puddings,andicecreamswerereplacedbyfruit,vegetables,andfish.Whatdidyourdinnersoundliket

oday?1.A.idealB.agreementC.favoriteD.challenge2.A.thickB.weakC.cleanD.slim3.A.SuddenlyB.SpeciallyC.Si

ncerelyD.Naturally4.A.dependedB.passedC.livedD.turned5.A.sweetB.relaxingC.strangeD.surprising6.A.comparedB.helpedC.coveredD.replaced

7.A.stoppedB.traveledC.beganD.continued8.A.droppedB.washedC.changedD.offered9.A.farmB.petC.forestD.sea10.A.breakB.lieC.burnD.sit11.

A.amountB.colourC.typeD.quality12.A.terribleB.beautifulC.seriousD.quiet13.A.characterB.musicC.habitD.requirement14.A.wonderfulB.heavyC.o

riginalD.traditional15.A.thoughB.sinceC.thereforeD.if四、语法填空SinceJuly2019,oneChina'sonlinefood-deliveryplatform____1____(carry)outanewserviceo

fpickingupgarbagefromitsusersinShanghai.Theservicecomesafter___2_____recently-releasedregulationonwastemanagementinShanghai.Indi

viduals____3____throwawaytheirgarbagewithoutbeingsortedoutcanbefinedupto200yuan,whilecompaniesand____4____(organize)canfacefinesupto

50,000yuan.Thetrashtakeawayservicerequiresresidentstosort____5____(they)owngarbagebeforeit____6____(pick)upbyworkersfromtheplatform,who

willensurethewasteisdisposedofinthecorrectgarbagebins.It'sobviousthatthisserviceis____7____(convenience)totheold,espec

iallytothedisabledcustomers.___8_____,manynetizensdon'tthinktheplatformisprovidingawonderfulservice,sayin

gitjustwants___9_____(make)money.Theythink12yuanforanorderistoomuch.Besides,manypeopledoubtifthesecollectorswillwashtheirhan

dsafter____10____(deal)withthetrash.五、书面表达假定你是李华,下周三有一个英国师生访问团将来参观你校开设的茶艺课。请你写一篇英文发言稿欢迎他们的到来并介绍茶艺课,内容包括:1.开课目的;2.学习内容;3.邀请

来宾品茶。参考词汇:茶艺课teaartclass注意:1.词数80左右;2.可适当增加细节,以使行文连贯。Hello,everyone!____________________________________________________________________

_____________________________________________________________________________________________________________________________

___________________________________________________________________________________________________________________________Th

anksforyourlistening.参考答案PartI一、1.informed2.impressed3.engagements4.casual5.Overall6.ideal7.overall8.pork9.somewhat1

0.fundamental二、1.moderation2.doing3.association4.quantities5.consistent6.Chewing7.aiming8.fundamentally9.categories10.tricks三、1

.iscoveredwith2.combine,with3.regardlessof4.cutdown5.getridof6.ishighin7.incash8.warmupPartII一、1--4.DBBC二、1--5.FEBAG三、1--5.CDD

DB6--10.DACAA11--15.CABAB四、1.hascarried2.a3.who/that4.organizations5.their6.ispicked7.convenient8.However9.tomake10.dealing五、答案：Helloeveryone!Welc

ometoourschool!Itisagreathonorformetoshareourteaartclasswithallofyou.Theteaartclassisoneofthemostpopularcour

sesamongthestudentsinourschool.Theclassaimstohelpstudentstolearnmoreabouttheteaculture,whichplaysanimpor

tantroleintraditionalChineseculture.Inteaartclasses,studentsaretaughthowtomaketeaandtastetea.Andtheyalsohaveopportunitiestovisittheteagarden

andseetheprocessofmakingtea.Idohopeallofyoucanhaveacupoftea.Ipromiseyouwillbeattractedbythetasteoftea

.Thanksforyourlistening.