学年人教版高一英语暑假作业4.docx
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学年人教版高一英语暑假作业4.docx
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学年人教版高一英语暑假作业4
1、 AfamilyvacationintheCaribbeanislandsdoesn’tcomecheap.Thesefouraffordablebutwonderfulkid-friendlyhotelsareidealforyou.
HiltonNassauHotel
IntheNassau'sshoppingdistrict,thishotelisperfectlylocatedtoexplorethenearbyisland,PrinceGeorgeWharf.FamiliescanbeguidedtogotoBayStreetforshoppingortothehistoriclandmarkslikeRawsonSquare.Then,returntothehotel’spoolbarfordiningandoverlookingNassauHarborandParadiseIsland.Thekids’menuandhighchairsmakefamilydiningatreat,especiallysincekidseatforfree!
DreamsPalmBeachHotel
ClosetoHiguey,thishotelbytheseaisjusttheplacetoenjoythefeelofCaribbeansand.WhileadultscanbeorganizedtovisitPuntaCana,gogolfingandgoswimming,kidswilllovethekids'clubandthekids'pool.ArangeofmealsfromMexicanflavortoAsianandFrenchflavorareofferedthere,makingthishotelstandout.Needmoregoodnews?
There’saspatoreallygetadultsinthevacationmood.
SugarBayResort
Youcanfeelrightathomeonyourprivateterraceinthis31-acreproperty.Thosewhopreferalittleactioncancatchagameoftennisinthegym,oreventrysurfingorjetskiing.NopassportisrequiredtovisittheUSVirginIslands.Kids'clubisavailableforthosewhoprefertostayindoors.
ClubMedLaCaravelle
Thishotel,ontheCaribbeanislandofGrandTerreinGuadeloupe,isidealforsportyfamilies.You'llfindapool,tenniscourts,agym,andakids’clubwheretheactivitiesscheduleisbrilliantlypackedtokeepyourlittleonesbusyallday.
1.WhatmakeseatingintheHiltonNassauHotelmostpleasant?
A.Itshighchairs.
B.There’snochargeforkids.
C.Thespecially-designedmenu.
D.It’sgreattotreatfriendsthere.
2.HowisDreamsPalmBeachHoteldifferentfromtheotherones?
A.Touristscantakepartinsportsprograms.
B.Thereareclubsandpoolsdesignedforkids.
C.Itoffersaspatorelaxtouristsandtheirkids.
D.Touristscanenjoyinternationalfoods.
3.Inwhichhotelcantouristsexperiencethegreatadventure?
A.HiltonNassauHotel.
B.DreamsPalmBeachHotel.
C.SugarBayResort.
D.ClubMedLaCaravelle.
2、 In1978,Iwas18andwasworkingasanurseinasmalltownabout270kmsawayfromSydney,Australia.Iwaslookingforwardtohavingfivedaysofffromduty.Unfortunately,theonlyonetrainadaybacktomyhomeinSydneyhadalreadyleft.SoIthoughtI’dhitcharide(搭便车).
Iwaitedbythesideofthehighwayforthreehoursbutnoonestoppedforme.Finally,amanwalkedoverandintroducedhimselfasGordon.Hesaidthatalthoughhecouldn’tgivemealift,Ishouldcomebacktohishouseforlunch.HenoticedmestandingforhoursintheNovemberheatandthoughtImustbehungry.Iwasdoubtfulasayounggirlbutheassured(使…放心)meIwassafe,andhealsoofferedtohelpmefindalifthomeafterwards.Whenwearrivedathishouse,hemadeussandwiches.Afterlunch,hehelpedmefindalifthome.
Twenty-fiveyearslater,in2003,whileIwasdrivingtoanearbytownoneday,Isawanelderlymanstandingintheglaringheat,tryingtohitcharide.IthoughtitwasanotherchancetorepaysomeoneforthefavourI’dbeengivendecadesearlier.Ipulledoverandpickedhimup.Imadehimcomfortableonthebackseatandofferedhimsomewater.
Afterafewmomentsofsmalltalk,themansaidtome,“Youhaven’tchangedabit,evenyourredhairisstillthesame.”
Icouldn’trememberwhereI’dmethim.Hethentoldmehewasthemanwhohadgivenmelunchandhelpedmefindaliftallthoseyearsago.ItwasGordon.
1.Theauthorhadtohitcharideoneclayin1978because .
A.herworkdelayedhertriptoSydneyB.shewasgoinghomeforherholidays
C.thetownwasfarawayfromSydneyD.shemissedtheonlytrainbackhome
2.WhichofthefollowingdidGordondoaccordingtoParagraph2?
A.Hehelpedthegirlfindaride.B.Hegavethegirlaridebackhome.
C.Heboughtsandwichesforthegirl.D.Hewatchedthegirlforthreehours.
3.Thereasonwhytheauthorofferedalifttotheelderlymanwasthat .
A.sherealizedhewasGordonB.shehadknownhimfordecades
C.shewasgoingtothenearbytownD.shewantedtorepaythefavoursheoncegot
4.Whatdoestheauthorwanttotellthereadersthroughthestory?
A.Givingsometimesproducesniceresults.B.Thosewhogiverideswillberepaid.
C.Goodmannersbringabouthappiness.D.Peopleshouldofferfreeridestoothers.
3、Ithappenseveryspring.Flowerssuddenlyburstouteverywhereonthesameday.Buthowexactlydoplants“know”whentoflower?
Itisaquestionthathaspuzzledbiologistsforyears.ButaccordingtoScienceDaily,aUSresearchgroupmayhavefinallyansweredit---thesecretliesinaproteincalledFKF1whichallowsplantstosensethedifferencesindaylengthssothattheycantelltheseasonsarechanging.Theyfoundthattheproteincanbeactivated(激活)bysunlight.
Plantsproducethisproteineverydayinthelateafternoonthroughouttheyear.Ifthereisnolightatthistime,forexample,inwinterwhenthesungoesdownearly,theproteinwon’tbeactivated.Butwhenspringcomesandthedaysgetlonger,theproteincanbeactivatedbyday-lightandtheplants“know”itistimetoflower.
AlthoughresearchershaveonlystudiedhowtheFKF1proteinworksinsomeexperimentalplants,theybelieveitissimilarinmanyotherplants,includingcropslikericeandwheat.Thiscouldbeusefultotheagriculturalindustry.
“Ifwecancontrolthetimingofflowering,wemightbeabletoincreasecropproductionbyspeedingordelayingthis,’saidTakatoImaizumi,assistantprofessorattheUniversityofWashingtonandleaderofthestudy.“Also,ifwecouldcontrolthetimingoffloweringinhorticultural(园艺的)plants,theymaybeworthmorecommercially(商业上)”
Newtechnologybasedonthisresearchmightalsoleadtohigherproductionofbiofuel(生物燃料)plants.Thiswouldbehelpfulforprovidingenergy.
1.Howdoplantsknowwhentoflower?
A.Theyreceivemessagesfromotherplants.
B.Acertainproteintellsthemthetimetoflower.
C.Theyaregenetically(基因遗传上)timedtoflower.
D.Sunlightproducesacertainproteininthemtohelpthemflower.
2.Whatcanwelearnfromthearticle?
A.Wearegettingclosertocontrollingplantfloweringtimes.
B.Plantsaremoresensitivetocoldweatherandshorterdays.
C.Whenthereisnosunlight,theFKF1proteinwon’tbeproduced.
D.ResearchershavestudiedhowtheFKF1worksinriceandwheat.
3.Thestudymentionedinthearticlemayhelpusunderstandhowto____.
A.increasethenumberofspeciesofhorticulturalplants
B.increaseproductionintheagriculturalindustry
C.haveplantsthatflowerallyearround
D.producemorechemicalenergy
4、 Theneedforasurgicaloperation,especiallyanemergencyoperation,almostalwayscomesasasevereshocktothepatientandhisfamily.Despitemodernadvances,mostpeoplestillunreasonablyfearhospitalsandanesthetics(麻醉药).Patientsdonotoftenbelievetheyreallyneedsurgery---cuttingintoapartofthebodyasopposedtotreatmentwithdrugs.
Intheearlyyearsofthiscenturytherewaslittlespecializationinsurgery.Agoodsurgeonwascapableofperformingalmosteveryoperationthathadbeendeviseduptothattime.Todaythesituationisdifferent.Operationsarenowbeingcarriedoutthatwerenotevendreamedoffiftyyearsago.Theheartcanbesafelyopenedanditsvalves(阀门;心脏或血管的瓣膜)repaired.Cloggedbloodvesselscanbecleanedout,andbrokenonesmendedorreplaced.Alung,thewholestomach,orevenpartofthebraincanberemovedandstillpermitthepatienttoliveacomfortableandsatisfactorylife.However,noteverysurgeonwantsto,orisqualifiedtocarryouteverytypeofmodernoperation.
Thescope(范围,广度,机会)ofsurgeryhasincreasedremarkablyinthiscentury.Itssafetyhasincreasedtoo.Deathsfrommostoperationsareabout20%ofwhattheywerein1910andsurgeryhasbeenextendedinmanydirections,forexampletocertaintypesofbirthdefects(缺陷)innewbornbabies,and,attheotherendofthescale,tolife-savingoperationsfortheoctogenarian(八旬老人).Thehospitalstayaftersurgeryhasbeenshortenedtoaslittleasaweekformostmajoroperations.Mostpatientsareoutofbedonthedayafteranoperationandmaybebackatworkintwoorthreeweeks.
Manydevelopmentsinmodernsurgeryarealmostunbelievable.Theyincludethereplacementofdamagedbloodvesselswithsimulatedonesmadeofplastic;thereplacementofheartvalveswithplasticsubstitutes;thetransplantingoftissuessuchasthelensoftheeye;theinventionoftheartificialkidneytocleanthebloodofpoisonsatregularintervalsanddevelopmentofheartandlungmachinestokeeppatientsaliveduringverylongoperations.Allthesethingsopenahopefulvista(前景,远景)forthefutureofsurgery.
Oneofthemostrevolutionaryareasofmodernsurgeryisthatoforgantransplants.Untilafewyearsago,noperson,exceptanidenticaltwin,wasabletoacceptintohisbodythetissuesofanotherpersonwithoutreactingagainstthemandeventuallykillingthem.Recently,however,ithasbeendiscoveredthatwiththeuseofx-raysandspecialdrugs,itispossibletografttissuesfromonepersontoanotherwhichwillsurviveforperiodsofayearormore.Kidneyshavebeensuccessfullytransplantedbetweennon-identicaltwins.Heartandlungtransplantshavebeenreasonablysuccessfulinanimals,thoughrejectionproblemsinhumanshaveyettobesolved.
‘Spareparts’surgery,thesimpleroutinereplacementofallworn-outorgansbynewones,isstilladreamofthedistantfuture.As
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