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

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

knewhewasworried.5._________(总的来说),thisisaveryusefulbook.6.ThetriptoPariswillbean________(理想的)opportunitytopractisemyF

rench.7.AsfarasIamconcerned,healthyhobbiesarebeneficialtoour________(全面的)development.8.Koreanbarbecuefeaturest

hinslicesofbeefor________(猪肉)thatcookedandservedwithrice.9.Beyondourexpectation,lambkebabweorderedwas________(有点)expensive.10.Theybelievea

________(基本的)changeintheassociationisthekeytoallothernecessarychanges.二、单句语法填空1.Thecolorandflavorofcuisinemainlydependonthe_____(mo

derate)ofingredients.2.Wemustsparenoefforttostudy,orwewillendup_____(do)nothing.3.Thereisnodenyingthereisaclose_____

____(associate)betweensmogandlungcancer.4.Asweknow,theconstructionindustryconsumeslarge_________(quantity)ofenergyandr

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

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

tracalorieswetakeinanddevelopahealthyeatinghabit.8.Sheis______(fundamental)agoodstudent,butsometimessheishardtocommunicatewith.9.Wecankeeph

ealthybyeatingdifferent_____(category)offreshfoods,especiallyfruitandvegetables.10.Additionally,I'mcrazytolearnhowto

appreciatewesternpaintings,anditcan'tbebetterifyoucantellussome_____(trick)abouthowtopaint.三、选词填空regardle

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

fliesthatIcouldhardlyseetheflowers.2.TolearnEnglishwell,wemust____________intensivereading____________extensi

vewriting.3.TheInternetmakessurveyingandvotingeasyandconvenient,____________timeandspace.4.Ifwefailtosellen

oughgoods,comparedwithlastyear,wewillhaveto____________production.5.Thebestwayto____________anegativeself-imageistorealizethatyourimageisfarfromobjec

tive.6.Makemaximumuseofthewholefruit,includingthepulpwhich____________fibre.7.Themanagerinsistedonpaying____________ondeliverywithouta

llowinganydiscount.8.Scientistspredictthattheworldislikelyto____________overthenextfewdecades.PartII提高部分一、阅读理解There'

sbeenlotsofconcernrecentlyaboutthepotentialdangersofmicrowavepopcorn(爆米花),butisthisconcernfounded,orjustovermuchfear-spreading?Theans

weristhatmanyofthechemicalsthatcausedworryinearlierdecadeshavebeenremovedfrommicrowavepopcorn,butsomecrit

icsstillarenotsatisfied."Youmayconsiderpopcorntobealow-calorie,high-fibersnack,butmicrowavepopcornisn'tahealt

hychoice,"explainsnutritionexpertDanDeFigio.That'sbecausemicrowavepopcornbagswerecoatedwithperfluorinate

dchemicals(PFCs)topreventoilsubstancefromleakingout.OneparticulartypeofPFC,knownasperfluorooctanoicacid(PFOA),hasbeenlinkedtocertaincan

cers,buttheAmericanCancerSocietysaystheevidenceisunsureandmoreresearchisbeingdoneaboutthis.Nevertheless,inresponsetoconcernsaboutPFCs,theU.

S.FoodandDrugAdministration(FDA)workedwithpopcornmakersbackin2011toremovePFOAfromtheirpackaging.ThreemorePFCswerebannedinthenextfiveyea

rs.Sotoday'smicrowavepopcorndoesn'thavethesechemicals,butcriticssaythatthealternativescouldcauseproblemsastheoldone

s,butlessisknownaboutthem.That'snottheonlyproblem,however.Thechemicalthatfordecadeslentbutterydeliciousnesst

opopcornhasalsobeenconnectedinrarecaseswithmajorlungdamage.Knownasdiacetyl(二乙酰),it'slongbeenadocumentedproblemwithworkersinp

opcornmakingfacilities,butalsocanberiskyforpeoplewhojusteatthesnackalot.A2007studypublishedinthejournalCr

iticalReviewsfoundthatmorethan80percentofchemicalreleasehappenedwhenthebagwasopenedpost-popping.Althoughdiacetylhasbeenremovedfrommostprod

ucts,somecriticsclaimthatthealternativetodiacetylisalsoharmful.Mostoftheexposuretodiacetylcamefrominbreathingratherthanea

tingpopcorn.Therefore,expertsrecommendatleastwaitingforthebagtocoolbeforeyouopenittoreducepotentiallyharmfulchemicalexposure

.Betteryet,makeyourownfreshathomewithanairpopper.Ifyouliketoflavorit,addorganicbutterorsomecheese.1.WhatcanweknowaboutPF

OAfromthetext?A.PFOAhasbeenremovedfromPFCs.B.PFOAcanstoptheleakofnutrition.C.PFOAinpopcornbagsleadstocancer.D.PFOAdoesn'texistinpopcornbagsinAmeric

acurrently.2.Accordingtothetext,whoaremostprobablyexposedtodiacetyl?A.Criticsclaimingdiacetylisharmful.B.Workersmakingpopcorninfactories.C.People

makingpopcornwithanairpopper.D.Consumerseatingmicrowavepopcornoccasionally.3.Whatdoesthelastparagraphintendtotellus?A.Howtoflavo

rpopcorn.B.Howtomakepopcornsafer.C.Howtomakepopcornathome.D.Howtofindalternativestodiacetyl.4.Whatisthebesttitleofthetext?A.IsPopcorna

HealthyChoice?B.ShouldWeBanMicrowavePopcorn?C.IsMicrowavePopcornReallyDangerous?D.ShouldPFCsBeRemove

dfromMicrowavePopcorn?二、七选五Acalorieisaunitofenergy.Thecaloriesyouseeonnutritionlabels,however,areactuallykilocalories.___1____Onekilocalorieist

heamountofenergyrequiredtoheat1kilogramofwaterby1degreeCelsius.Caloriesinourfoodallcomefromoneofthethreenutrients:fat

,carbohydrates(碳水化合物)andprotein.In1990,theUSgovernmentpassedanact(法案),whichmeansthatbeforeanypackagedfoodintheUShitstheshelves,foods

cientistshavetomeasureitsnutrientsandcalories.Onewaytodothisiswithatoolcalledacalorimeter(热量计).____2___Tousethistool,scientistsplacethefood

inasealedcontainersurroundedbywaterandheatituntilthefoodiscompletelyburnedoff.Scientiststhenrecordtheriseinwatertemp

eraturetodeterminethenumberofcaloriesintheproduct.___3____Itwasdevelopedbythe19th-centuryUSchemistWilburAtwatertoi

ndirectlyestimateofthenumberofcaloriesinfoodproducts.Calorimetersdon'ttakeintoaccountthathumanslosesomecaloriesthroughheatandfeces(排泄物).At

water'sexperimentshavefoundthatproteinsandcarbohydrateseachhaveabout4caloriespergramandfatshave9calories

pergram.___4____However,someexpertssaythattheAtwatersystemisoutdatedandinaccurate.___5____Besides,itdoesn'ttakeintoaccountthedigestivepro

cess,butassumescompletechangeofnutrientstoenergy.A.Thatisthe4-9-4system.B.Foodscientistsalsorelyonanothercalculation.C.Thesecaloriecou

ntsaren'tincrediblyaccurate.D.ItwasmorethanlikelycalculatedthroughtheclassicAtwatersystem.E.Thistooldirectlymeasurestheamountofenerg

ythatacertainfoodcontains.F.Foodpackagingalwaysreferstokilocalories,eventhoughitjustsays"calories".G.Theysaytheenergycontentofcertainfoods

couldn'tbeaccuratelycalculated,suchasnuts,bytheAtwatersystem.三、完形填空Annawasveryparticularaboutfood.Sheneveratethe

wonderfulpizzasoricecreamshermothermade,whichwereherparents'1.Shejustateotherthings.Annawas2,butherparentswerebothfat

.Theirlikeswereherdislikes.3,everyonewonderedwhoshehadtakenafter.Anna'sparentsthoughtshewasill.Oneday,theywenttoseeadoctor.Hetookt

hemtoamachine.Thenheputaplateoffishinfrontofthem,and4onthemachine.Itstartedplayingsounds:waves'5soundandtheso

ngsofseabirds.Aftersometimethedoctor6thefishwithfruitandvegetables.Thesoundsofthesea7,andtherecamethesoundsofgentlewind,birdsong,andrain.Al

lofthemenjoyedthebeautifulsoundsofnature,butthedoctor8theplateagain.Andthistimeitwasadishofmeat.Themachinestartedmak

inglivelysounds:thesoundof9animals.Stillquitepleasant.Thenthedoctorbroughtastronglysmellingpizza.Themachineseemedto10down.Insteadofbeauti

fulsounds,outcamenoisysounds.Thenoisewassodisturbingthatthefamilyhadtoaskthedoctortochangethe11offood.Thedoctorb

roughtthemicecreams,burgersandcandy...buttheythoughtthesoundswerestill12.FinallyAnna'sparentsaskedthedoctortobringfruitbac

k."Annaisn'till,"saidthedoctor."Shecanunderstandeachtypeoffood'sown13.Itcomesfromwherethefoodwasborn,raised,and

prepared.Annawantstoeatthefoodwhosemusicis14.That'swhyshe'sslimandhealthy."Thesedays,theyalllookslim,15fromthenon,inthehousepizz

as,burgers,puddings,andicecreamswerereplacedbyfruit,vegetables,andfish.Whatdidyourdinnersoundliketoday?1.A.i

dealB.agreementC.favoriteD.challenge2.A.thickB.weakC.cleanD.slim3.A.SuddenlyB.SpeciallyC.SincerelyD.Naturally4.A.dependedB.passedC.liv

edD.turned5.A.sweetB.relaxingC.strangeD.surprising6.A.comparedB.helpedC.coveredD.replaced7.A.stoppedB.trav

eledC.beganD.continued8.A.droppedB.washedC.changedD.offered9.A.farmB.petC.forestD.sea10.A.breakB.lieC.burnD.sit11.A.amountB.colourC.type

D.quality12.A.terribleB.beautifulC.seriousD.quiet13.A.characterB.musicC.habitD.requirement14.A.wonderfulB.heavyC.origina

lD.traditional15.A.thoughB.sinceC.thereforeD.if四、语法填空SinceJuly2019,oneChina'sonlinefood-deliveryplatform____1____

(carry)outanewserviceofpickingupgarbagefromitsusersinShanghai.Theservicecomesafter___2_____recently-releasedregulationonwastemanagementinShanghai.Ind

ividuals____3____throwawaytheirgarbagewithoutbeingsortedoutcanbefinedupto200yuan,whilecompaniesand____4____(org

anize)canfacefinesupto50,000yuan.Thetrashtakeawayservicerequiresresidentstosort____5____(they)owngarbagebeforeit____6____(pick)upbyworkersfromthe

platform,whowillensurethewasteisdisposedofinthecorrectgarbagebins.It'sobviousthatthisserviceis____7____(convenience)totheold,especiallyto

thedisabledcustomers.___8_____,manynetizensdon'tthinktheplatformisprovidingawonderfulservice,sayingitjustwants___9_____(make)mon

ey.Theythink12yuanforanorderistoomuch.Besides,manypeopledoubtifthesecollectorswillwashtheirhandsafter____10____(deal)withthetras

h.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!___________________________________________________________________________________________

_____________________________________________________________________________________________________________________________________

____________________________________________________________________________________________Thanksforyourlistening.参考答案PartI一、1.informed2.impress

ed3.engagements4.casual5.Overall6.ideal7.overall8.pork9.somewhat10.fundamental二、1.moderation2.doing3.association4.quantities5.consistent

6.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.CDDDB6--10.DACAA11--15.CABAB四、1.hascarried2.a3.who/that4.organizations5.their6.ispicked7.c

onvenient8.However9.tomake10.dealing五、答案：Helloeveryone!Welcometoourschool!Itisagreathonorformetoshare

ourteaartclasswithallofyou.Theteaartclassisoneofthemostpopularcoursesamongthestudentsinourschool.Theclassaimstohelpstudentstolearnmoreabout

theteaculture,whichplaysanimportantroleintraditionalChineseculture.Inteaartclasses,studentsaretaughthowtomaketeaandtastetea.

Andtheyalsohaveopportunitiestovisittheteagardenandseetheprocessofmakingtea.Idohopeallofyoucanhaveacupoftea.Ipromiseyouwillbeattra

ctedbythetasteoftea.Thanksforyourlistening.