4000词精品教学课件 Book 3 -Unit 21.pptx

4000ESSENTIALEnglishwordsBOOK3Unit21

wordlist

[??t?k]v.Toattacksomethingistohurtordamageit.Shewatchedthelizardattackitsprey.attrack

[brest]n.Abreastisoneofthetwosoftpartsonawomanschest.Shewasdiagnosedwithbreastcancer.breast

[?k?ns?]n.Cancerisaseriousdiseasethatcausescellstogrowabnormally.Hewasaleadingscientistinfindingacureforcancer.cancer

[?k?ns?r?s]adj.Cancerouscellsaretheresultofcancer.Theexamfoundcancerouscellsinthepatienfsblood.cancerous

[sel]n.Acellisthesmallestpartofalivingthingthatcanlivebyitself.Aredbloodcellcarriesoxygen.cell

[?s?ɡ??ret]n.Acigaretteisathinlywrappedpapertubefilledwithtobaccothatissmoked.Cigarettesmokingisterribleforyourhealth.cigarette

[koud]n.Acodeisasetofsymbolsusedtohideorreadamessage.Sheusedthecodetosolvethepuzzle.code

[kj??]n.Acureisamedicaltreatmenttomakeasicknessgoaway.Scientistsarestillworkingonfindingacurefordiabetes.cure

[d??str?k??n]n.Todamagesomethingistocauseitsdestruction.Thewildfireslefttheforestinastateofdestruction.destruction

n.n.DNAistheshortformofdeoxyribonucleicacid.ThepolicesometimesuseDNAtosolvecrime.DNA

[?k?stens?v]adj.Extensivemeanslargeinsizeoramount.Thegamedrewextensivemediacoverageextensive

[?fi?me?l]adj.Femalereferstowomenorgirls.Sheistheonlyfemalestudentinherclasswithshorthair.female

[?f??e??m??]adv.Furthermoremeansmoreinformationwillbeadded.Shesclever,andfurthermore,sheisnotafraidofwork.furthermore

[d?i?n]n.Agenecontrolswhatitlookslike,howanorganismgrows,andhowitdevelops.Genetherapyissometimesusedtotreatanillness..gene

[?n?her?t]v.Toinheritistoreceivesomethingthatispasseddownfromarelative.Allthegirlsinmyfamilyinheritredhairfrommygreat-grandmother.inherit

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