选修8英语课文挖空.docx
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选修8英语课文挖空.docx
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选修8英语课文挖空
1.CaliforniaisthethirdlargeststateintheUSAbuthasthelargestp________.Italsohasthed________ofbeingthemostm________stateintheUSA,havinga________peoplefromallovertheworld.Thecustomsandlanguagesoftheimmigrantsliveonintheirnewhome.Thisd________ofcultureisnotsurprisingwhenyouknowthehistoryofCalifornia.
2.Peoplefromdifferentpartsoftheworld,a________bytheclimateandthelifestyle,stilli________toCalifornia.Itisbelievedthatbeforelongthemixofn________willbesogreatthattherewillbenodistinctmajorr________orculturalgroups,butsimplyam________ofmanyracesandcultures.
3.Cloninghasalwaysbeenwithusandisheretostay.Itisawayofmakingane________copyofanotheranimalorplant.Ith________inplantswhengardenerstakec________fromgrowingplantstomakenewones.Italsohappensinanimalswhentwinsi________insexandappearancearepfromthesameo________egg.Thef________isthatthesearebothexamplesofnaturalclones.
4.Ontheonehand,thewholescientificworldf________theprogressofthefirstsuccessfulclone,Dollythesheep.Thefactthatshes________todevelopn________wasveryencouraging.Thenc________thedisturbingnewsthatDollyhadbecomes________ill.Cloningscientistswerec________d________tofindthatDolly'sillnessesweremorea________toamucholderanimal.A________Dollylivedsixandahalfyears,halfthel________ofthelifeoftheoriginalsheep.Sadlythesamea________fatea________otherspecies,suchasclonedmice.
5.A________atpresenthumaneggcellsandembryosn________forcloningresearcharedifficulttoo________,newspaperswroteofevilleadershopingtoclonethemselvestoa________theirambitions.Religiousleadersalsor________moralquestions.Governmentsbecamenervousandmorec________.Somebegantor________theirlegalsystemsandf________researchintohumancloning,butothercountrieslikeChinaandtheUK,continuedtoa________evidenceofthea________medicalaidthatcloningcouldprovide.However,scientistsstillw________whethercloningwillhelporharmusandwhereitisl________us.
6.Mythirdattemptr________thesecondprocedure.ThenextmorningIcarriedinmyhandasmallnetu________forcatchingfish.Thiswasinthee________thatthesnakeswouldbiteagain.Butm________carefully,thesnakesp________tobenotroubleandallwentaccordingtoplan.Ic________thepassivesnakesandthenextdaywem________releasedthemallbackintothewild.
7.WelcometotheZhoukoudiancaveshereinChina.Itisagreatp________tomeetyoustudentsfromEngland,whoareinterestedina________.Youmustbea________thatit'sherethatwefounde________ofsomeoftheearliestpeoplewholivedinthispartoftheworld.We'vebeenexcavatinghereformanyyearsand……
8.Perhapstherewast________betweenearlypeoplesortheyt________totheseasideontheirj________.Weknowthattheym________a________,followingtheherdsofanimals.Theydidn'tgrowtheirowncrops,butpickedfruitwhenitr________andhuntedanimals.That'swhytheyarecalledhuntersandgatherers.Now,whydon'twegoandvisitthecaves?
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