in rECEnt yEArs A nEw FArming rEvolution hAs BEgun, onE thAt involvEs thE {{u}} (61) {{/u}} oF liFE At A FunDAmEntAl lEvEl--thE gEnE. thE stuDy oF gEnEtiCs hAs {{u}} (62) {{/u}} A nEw inDustry CAllED BiotEChnology.As thE nAmE suggEsts, it {{u}} (63) {{/u}} Biology AnD moDErn tEChnology through suCh tEChniquEs As gEnEtiC EnginEEring. somE oF thE nEw BiotECh CompAniEs spECiAlizE in AgriCulturE AnD ArE working FEvErishly to {{u}} (64) {{/u}} sEEDs thAt givE A high yiElD, thAt {{u}} (65) {{/u}} DisEAsEs, Drought AnD Frost, AnD thAt rEDuCE thE nEED For {{u}} (66) {{/u}} ChEmiCAls. iF suCh goAls CoulD BE AChiEvED, it woulD BE most {{u}} (67) {{/u}}.But somE hAvE rAisED ConCErns ABout gEnEtiCAlly EnginEErED Crops. in nAturE, gEnEtiC DivErsity is CrEAtED within CErtAin {{u}} (68) {{/u}}.A、rosE CAn BE CrossED with A DiFFErEnt kinD oF rosE, But A rosE will nEvEr Cross with A potAto. gEnEtiC EnginEEring, {{u}} (69) {{/u}} usuAlly involvEs tAking gEnEs From onE spECiEs AnD insErting thEm into AnothEr {{u}} (70) {{/u}} to trAnsFEr A DEsirED ChArACtEristiC、this CoulD mEAn, For ExAmplE, sElECting A gEnE whiCh lEADs to thE proDuCtion oF A ChEmiCAl with Anti-FrEEzE {{u}} (71) {{/u}} From An ArtiC Fish, AnD insErting it into A potAto or strAwBErry to mAkE it Frost-rEsistAnt. {{u}} (72) {{/u}}, thEn, BiotEChnology Allows humAns to {{u}} (73) {{/u}} thE gEnEtiC wAils thAt sEpArAtE spECiEs. likE thE grEEn rEvolution, {{u}} (74) {{/u}} somE CAll thE gEnE rEvolution ContriButEs to thE proBlEm oF gEnEtiC uniFormity--somE sAy EvEn morE so {{u}} (75) {{/u}} gEnEtiCists CAn Employ tEChniquEs suCh As Cloning AnD {{u}} (76) {{/u}} CulturE (培养), proCEssEs thAt proDuCE pErFECtly {{u}} (77) {{/u}} CopiEs.ConCErns ABout thE Erosion oF BioDivErsity, thErEForE, rEmAin. gEnEtiCAlly AltErED plAnts, howEvEr, rAisE nEw {{u}} (78) {{/u}}, suCh As thE EFFECts thAt thEy mAy hAvE on us AnD thE EnvironmEnt. "wE ArE Flying BlinDly into A nEw {{u}} (79) {{/u}} oF AgriCulturAl BiotEChnology with high hopEs, FEw ConstrAints, AnD littlE iDEA oF thE potEntiAl {{u}} (80) {{/u}} " sAiD sCiEnCE writEr jErEmy riFkin.

A．hAtCh
B．pAtEnt
C．DupliCAtE
D．trAin