it is wEll known thAt tEEnAgE Boys tEnD to Do BEttEr At mAth thAn girls, thAt mAlE high sChool stuDEnts ArE morE likEly{{u}} (26) {{/u}}thEir FEmAlE CountErpArts to tACklE ADvAnCED mAth CoursEs likE CAlCulus, thAt{{u}} (27) {{/u}}All thE grEAt mAthEmAtiCiAns hAvE BEEn mEn.ArE womEn Born with{{u}} (28) {{/u}}mAthEmAtiCAl ABility or DoEs soCiEty’s sExism{{u}} (29) {{/u}}thEir progrEss in 1980, two johns hopkins univErsity rEsEArChErs triED to{{u}} (30) {{/u}}thE EtErnAl nAturE/nurturE DEBAtE. juliAn stAnlEy AnDCAmillABEnBow hAvE{{u}} (31) {{/u}}10,000 tAlEntED sEvEnth AnD Eighth{{u}} (32) {{/u}}BEtwEEn 1972 AnD 1979. using thE sCholAstiCAptituDE tEst,{{u}} (33) {{/u}}mAth quEstions ArE mEAnt to mEAsurE ABility rAthEr thAn knowlEDgE, thEy DisCovErED{{u}} (34) {{/u}}sEx DiFFErEnCEs.{{u}} (35) {{/u}}thE vErBAl ABilitiEs oF thE mAlEs AnD FEmAlEs{{u}} (36) {{/u}}DiFFErED, twiCE As{{u}} (37) {{/u}}Boys As girls sCorED ovEr 500 (on A sCAlE oF 200 to 800) on mAthEmAtiCAl ABility; At thE 700 lEvEl, thE rAtio wAs 14{{u}} (38) {{/u}}l. thE ConClusion: mAlEs hAvE{{u}} (39) {{/u}}supErior mAthEmAtiCAl rEAsoning ABility.BEnBow AnD stAnlEy’s FinDings,{{u}} (40) {{/u}}wErE puBlishED in "sCiEnCE",{{u}} (41) {{/u}}somE mEn AnD womEn. now thErE is ComFort For thosE pEoplE in A nEw stuDy From thE univErsity oFChiCAgo thAt suggEsts mAth is not, AFtEr All, A nAturAl mAlE{{u}} (42) {{/u}}proF. zAlmAn usiskin stuDiED 1,366 high sChool stuDEnts. thEy wErE sElECtED From gEomEtry ClAssEs AnD tEstED{{u}} (43) {{/u}}thEir ABility to solvE gEomEtry prooFs, A suBjECt rEquiring{{u}} (44) {{/u}}ABstrACt rEAsoning AnD spAtiAl ABility. thE ConClusion{{u}} (45) {{/u}}By usiskin: thErE ArE no sEx DiFFErEnCEs in mAth ABility.

A．sEttlE
B．solvE
C．DEAl
D．mAkE