Unit3课文语法填空-高中英语牛津译林版选择性必修第二册.docx

选择性必修二第三单元

课文语法填空

Thefutureisinourgenes

Goodafternoon,ladiesandgentlemen.Thankyouallforcomingtothislecture.________thecourseofmycareer,Ihaveseenmanywonderfulscientificdevelopments,but________areas

game-changingasgenomeediting.Iamfullofexcitementaboutthepossibilities________thisscientificadvancecanbringandIhopetosharemyexcitement________youtoday.

____manyofyoumayalreadyknow,genesplayacriticalrolein______(shape)ourlives.Everythingfromthecolourofoureyestoourtalentformathsdependsongenes.Thecompletesetofgenesinsideacelloranylivingbeingiscalledagenome.Ourownpersonalgenomecarriesalltheinformation________(need)tomakeusgrowanddevelop.Italsocontainsinformation________helpsdetermineourlifespanandaffectsourchancesof________(contract)certaindiseases.Somepeople,forexample,carryagenethatmakesthemmorelikely________(catch)acertainvirusordevelopaparticularformofcancer.

Geneticists________(try)toidentifywhichgenesrelatetowhichdiseases,________theybelievegenomeeditingisaneffectivemeansofdiseasetreatmentand________(prevent).Itallows________(gene)tomakechangestothegenomebycorrecting,adding,deletingorreplacingspecificpartsofthegeneticmaterial.Inthenearfuture,geneticistshopetoapplythistechnology________(treat)awiderangeofhealthproblems.Soonwemaybeabletousesuchtreatmentstorestoreablindpersonsvisionorgivesomeonewhowasborndeafanexcellentsenseofhearing.Ultimately,thisnewtechnologymightevenmakeitpossibletopreventdiseases

everdevelopingbycorrecting______(normal)genesearlyon.Genomeediting,_________(serve)asanewweaponinthefightagainstdiseases,willleadtoafundamentalchangeinourapproach________healthcare.

Asthetechnologycontinuestodevelop________afastpace,_________questionsariseabout

________touseitappropriately.Shouldwerestrictouruseofthiste