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选修八Unit1AlandofdiversityWelcometoourvillage.I’dliketotellyou_________wefoughtagainstthefloodlastyear.Lastsummertherewastoo________rainandaseriousfloodhitourvillage,floodingthefieldsandroads,_________awaymanyofourhouses________evenbringingdangertothepeople’ssafety._______thehelpofthePLA,wewouldnothavebeenabletoovercomethedifficulties,winthebattle_______theterribleflood,andget________fairlygoodharvestlastautumn.Whatmovedusmostis________thevillagehead,ZhangDeming,letthefloodflowintohisfish-pond,preventing_______fromgoingintothevillage.Weallthought_________(high)ofhisdevotedspiritintheinterestsofthewholevillage.Weshouldlearnfromhim.Unit2CloningCloningisawayof_________(make)anexactcopyofanotheranimalandplant.________hastwomajoruses.Oneis_________gardenersuseittoproducecommercialquantitiesofplants.The________isthatitisvaluableforresearchonnewspeciesandformedicalresearchonanimals.________,theprocessofcloningisdifficulttoundertake.Manyattemptstoclonemammalsfailed.Thefirstsuccessfulclone,Dollythesheep,madethewhole________(science)worldfollowitsprocess,thoughithad_______problemsthanthenormalsheep.Ontheotherhand,Dolly’sappearance_________(raise)astormofabjectionsandhadagreatimpact_______themediaandpublicimagination.Differentpeoplehavedifferentopinionsofit.However,scientistsstillwonderwhethercloningwillhelp_______harmusandwhereitisleadingus.Unit3Inventorsandinventions__________thewritercalleduphermotherinthecountryonthephone,shelearnedthatsnakescameneartheirhouseandthatthesnakesseemed__________(make)theirhomeneartheirhouse.Thewriterfeltproudandconsidered__________achanceforhertodistinguish__________byinventingsomething_________wouldcatchsnakesbutnotharmthem.Shesetabout__________(research)thehabitsofsnakes.Shedecidedtocoolthemsothattheycouldbe________(easy)caught.However,herfirsttwoplanswerenotsuccessful.Asaresult,shehadtoattempta_________time,whichhelpedherfulfillheraimsuccessfully.Shewas_________delightedthatshewasdeterminedtosendher_________(invent)tothepatentofficetogetrecognitionforhersuccessfulidea.Unit4PygmalionElizaDoolittlewas________unrefined,dirtyflowergirlwithpoorphonetics_________ProfessorHigginswasanexpertinphonetics.Onedaytheyhappenedtomeeteachotherwhile________(hide)fromtherain.WhenElizawastalkingwithagentleman,Higginsalwayswatchedherandtooknotes,________madehergetworried,forshethoughthewasapoliceman_________disguise.InfacthejustshowedinterestinherpoorphoneticsandmadeabetwithColonelPickering________hewasgoingtomeet.Higginssaidonce________(educate)tospeakproperly,Elizacouldpass__________offinthreemonthsasaduchessatanambassador’sgardenparty.AfterthatHigginsthrewa________(hand)ofmoneyintoherbasketandleftwithPickering,leavingEliza________(excite)andinamazement.Elizadecidedtofindhimthenextday.Unit5MeetingyourancestorsAgroupofstudentsfromEnglandhascometotheZhoukoudianCaveforavisit._______archaeologistisshowingthemaround.Thearchaeologists___________(excavate)hereformanyyears.Afterfindinghumanandanimalbones_________thosecaveshigherupthehillaswellastoolsandornaments,theythink__________reasonabletoassumetheylivedinthesecaves,regardlessofthecold.Theydiscoveredfireplacesinthecenterofthecaves________theyconstructedfires.Someevidencesuggeststhatourancestorsdid_________clothes__________(make)fromanimalskins.Thearchaeologistalsoshowsthestudentsaprimitivenecklace__________(preserve)quitewell.Indeed,asthebotanicalanalysishasbeen__________(special)showingus,allthefieldsaroundhereusedtobepartofpartofalargeshallowlake.Perhapstherewastradebetweenearlypeople__________theytraveledtotheseasideontheirjourneys.参考答案：Unit1third,surprising,which,settlers,what,by,wasdiscovered,hasbecome,It,soUnit2making,It,that,other,However,scientific,more,raised,on,orUnit3When,tohavemade,it,herself,that,researching,easily,third,so,inventionUnit4an,while,hiding,which,in,who/whom,educated,herself,handful,excitedUnit5an,havebeenexcavating,in,it,where,wear,made,preserved,specially,or