Unit3 Extended reading and Project 课后习题（原题版）

姓名：班级Unit3Fitforlife3.3Extendedreading&Project一、基础巩固I．单词拼写Therewillbefierce(抵制)totheseproposals.Wehadalong(辩论)astowhetherweshouldspendsomuchmoneyonspacetechnology.Afterhefellintheplayground,Iwrappeda(绷带)aroundhisankletogiveitsomesupport.

It'swellknownthatthedoveisauniversal(象征)ofpeace.

Anyeventattendedbythefamousactorattracts(广泛的)mediaattention.

Youshouldnotbuycigarettesor(烟草)unlessyouareabove18yearsofage.

Thechildrensurroundedtheteacherwhileshewasplayingthe(风琴)intheclassroom.

Thegovernmentistakingactiontofightagainstdruga.

Asaresultoflisteningcarefully,Iremembermostofthesoftheteacher'swords.

Theschool'ssmallcplaysaveryimportantroleinprotectingstudents'health.

II.单句语法填空Thereareboundtobepeoplewhowilltellmethatbothofthese(phenomenon)areexceptionsthatdonotdisprovethetheory.

Onepossiblereasonisthatdustcanaffectthebreathingsystemandpeoplemaybemoreopento(infect).

Thereisgrowingevidencestayinguplateatnighthasaseriousimpactonpeople'shealth.

Inourcitypeoplehaveusedsmartwatermeterstotakeplaceoftraditionalwatermeters.

Despitethelongdistancebetweenthetwocountries,theyenjoygoodeconomicrelations,whichcandatebacktheearly1960s.

Inordertopromotetrade,thetwocountriesdecidedtoswitchRMBsettlement.

(anxious)canaffectachild'sperformanceinschool,sokeepaneyeonyourchild'smood.

Accordingtothestudy,aboutathirdofchildrenhavebeen(severe)overweightduetolackofexercise.

Hegotfullmarksinthefinal(examine)becauseofhishardwork.

10.Sofar,everypossiblemeans(try)tosolvetheproblem.III.根据要求翻译句子1.这个节日早在20世纪80年代就传到了中国,并被广泛接受。ThefestivalspreadtoChinaandwaswidelyaccepted.

2.因为向导带路,我没费事就找到了他们的村子。,Ihadnodifficultyfindingtheirvillage.

3.几个学生抱着书站在那里聊天。,afewstudentsstoodtherechatting.

4.为什么不邀请她去健身房锻炼呢？______________________________inthegym?5.他去体育场踢足球了，没去打羽毛球。Hehasgonetoplaysoccerinthestadium____________________.二、拓展提升=1\*ROMANI.阅读理解Accordingtoarecentstudy,anewkindofgeneticallymodified(转基因的)ricecanpreventinfectionsofHIV,thevirusresponsibleforthediseaseAIDS.Thestudyreportsthenewly-developedriceproducesproteins(蛋白质)thatattachdirectlytotheHIVvirus.Thisprocesskeepsthevirusfrommixingwithhumancells.Thescientistssayitcanremovetheeffectofthevirusandblockitsspreading.TheJointUnitedNationsProgrammeonHIV/AIDSreportsthatworldwide,nearly37millionpeoplewerelivingwithHIVin2017.Theorganizationsaysthelargestnumberofthoseisindevelopingcountries.Nearlytwo-thirdsofHIVcasesareinAfrica.NowthereisnocureforHIV/AIDSthoughtherehavebeendevelopmentsinoraldrugtreatmentstoslowtheprogressionofthedisease.Thenewstudypredictstherice-basedmethodwillleadtolong-termuseoftheanti-HIVtreatmentacrossthedevelopingworld.Researcherssaythe“groundbreaking”discoveryis“realisticallytheonlyway”thatanti-HIVcombinationtreatmentscanbeproducedatacostlowenoughforthedevelopingworld.Theysaytheeasiestandmostcost-effectivewaytousethericewillbetomakeitintoacreamtobeputontheskin.TheHIV-fightingproteinscanthenenterthebodythroughtheskin.Peopleallovertheworldcouldgrowthericeandmakethecreamthemselves.Thiswouldpreventthecostandtravelrequiredformanypatientstoreceivetreatmentsandmedicine.Theprocessofchangingthegeneticstructureoffoodcropshasbeendebatedforsometime.Criticsofgeneticallyengineeredcropsbelievetheycanharmpeople.Thescientificteamsaysfurthertestingisneededtoensurethatthegeneticengineeringprocessdoesnotproduceanyadditionalchemicalsthatcouldbedangeroustohumanbodies.1.Whatisthethirdparagraphmainlyabout?A.TheterriblesituationsofHIVinfections.B.TherapiddevelopmentofAfrica.C.ThepracticalwaystocureAIDS.D.TheeffortsmadebytheUnitedNations.2.Howwillthericebeusedatthelowestcost?A.Bytransformingitintoproteins.B.Byprocessingitintoacream.C.ByattachingittotheHIVvirus.D.Byaddingittoanoraldrug.3.Whatcanweknowaboutthegeneticengineeringprocess?A.Itwon'tproducedangerouschemicals.B.Ithasproduceddangerouschemicals.C.Itisintendedforthedevelopedworld.D.Itrequiresfurthertestingtoensurethesafety.4.Fromwhichisthetextprobablytaken?A.Abiologytextbook.B.Afirstaidbrochure.C.Asocialwebpage.D.Ahealthmagazine.II.七选五ResearchersworldwideareracingtodeveloppotentialvaccinesanddrugstofightCOVID-19.Now,agroupofresearchershasfiguredoutthemolecular(分子的)structureofakeyproteinthatthecoronavirususestoinvadehumancells.1

Previousresearchshowsthatthecoronavirusesinvadecellsthroughtheso-called“spike”proteins,butthoseproteinstakeondifferentshapesindifferentcoronaviruses.Figuringouttheshapeofthespikeproteininthenovelcoronavirusisthekeytofiguringouthowtotargetthevirus.2Butthespikeproteinisthemajorsurfaceproteinthatitusestocombinewithareceptor—anotherproteinthatactslikeadoorwayintoahumancell.Afterthespikeproteincombineswiththehumancellreceptor,theviralmembranecombineswiththehumancellmembrane,allowingthegenomeofthevirustoenterhumancellsandbegininfection.Topreventattachmentandcombination,peoplewillprevententry.3

Earlierthismonth,researcherspublishedthegenomeofthenovelcoronavirus.Theyidentifiedthespecificgenesthatcodeforthespikeproteinandthensentthatgeneinformationtoacompanythatcreatesthegenes.Thegrouptheninjectedthosegenesintomammaliancellsinalabdish.4Next,usingaverydetailedmicroscopytechniquecalledcryogenicelectronmicroscopy,thegroupcreateda3D“map”,or“blueprint”ofthespikeproteins.Theblueprintrevealedthestructureofthemolecule.5It'saveryimportantstepforwardandmayhelpwiththedevelopmentofavaccineagainstCOVID-19.Thespikeproteinwouldbethelikelychoicefortherapiddevelopmentofvaccineantigensandtreatments.

A.Soonthosecellsproducedthespikeproteins.B.Itmappedthelocationofeachofitsatomsinspace.C.Itpotentiallyopensthedoortothedevelopmentofavaccine.D.Comparedtonormalvaccinedevelopment,itmaytake10years.E.Buttotargetthisprotein,humansneedtoknowwhatitlookslike.F.Thestructureshowsthatthemoleculeisstableinthecorrectsituation.G.Thecoronavirususesmanydifferentproteinstoreproduceandinvadecells.1.2.3.4.5.

III.语法填空OneofthemostfamousChinesemedical1(treat)isChineseacupuncture,datingfromtheStoneAge.Asacupuncturedeveloped,ninedifferentkindsofneedlesappeared,which2(have)differentshapes.Themajorityofacupuncturistsnowusestainlesssteelneedles.Theypushneedlesintotheskinatcertainpointsonthebody3(call)acupuncturepoints.Sofar,morethan360acupuncturepoints4(identify),eachlinkedtoadifferentpartofthebody.Overtheyears,notonlyhasacupuncturebeenusedtotreatphysicaland5(mentally)problems,butithasalsobeenappliedtotreatpeople6abusealcohol,tobaccoordrugs.7itisnotclearhowacupunctureactuallyworks,itis8factthatacupuncturehasbecomeverypopular.Today,ithascomeintowidespreadusearoundtheworld9asymboloftraditionalChineseculture.Whiledoubtsaboutitssafetyhave10(gradual)disappeared,interestcontinuestogrow.

1.2.3.4.5.

6.7.8.9.10.

IV.读后续写阅读下面短文，根据所给情节进行续写，使之构成一个完整的故事。续写词数应为150词左右。In1974,

afterfillingoutfiftyapplications,goingthroughfourinterviews,andwinningoneoffer,

ItookwhatIcouldget

—

ateachingjobatwhatIconsideredadistantwildarea:westernNewJersey.

MycharacteristicoptimismwasaliveonlywhenIremindedmyselfthatIwouldbedoingwhatIhad

wantedtodosinceIwasfourteen

—

teachingEnglish.Schoolstarted,IwasteachingEnglish.Iworkedhard,takingtimeoffonlytoeatandsleep.And

thentherewasmysixthgradeclasswhowereonlysixyearsyoungerthanme.Ihadaproblemlong

beforeIknewit.Iwasstrugglinginmyworkasayoungidealisticteacher.Iwantedtomakeliterature

comealiveandtopromotealoveofthewrittenword.Thestudentswantedtothrowspitballsand

whisperdirtywordsinthebackoftheroom.IncollegeIhadbeentaughtthatasuccessfuleducatorshouldignorebadbehavior.SoIdid,

confidentthat,thebadbehaviorwoulddisappearasIgavemystudentspositiveattention.Butinfact,

humansparticularlyteenagersrarelyseemreasonable.Bythetimemyboss,whowasalsomy

taskmaster,knowntobethestrictest,mostdemanding,quickest

tofireinexperiencedteachers,

cameintotheclassroomto