FromtheverybeginningMartinfeltthathewasboundupwith（与……紧紧地在一起）hislovelylittlepatient.OnedayfollowingsometestsBettygavethedoctorabighug（拥抱）.

Afewmonthslaterthedoctorremovednotonlythetumour（肿瘤）butalsotheentirelowerleftsideofBetty’sgum（牙龈）andjawbone.BecauseBettywassoyoungMartinwashopefulthatherjawbonemightregenerate.

WithinthreemonthsBetty’stumourgrewaslargeasanorangechangingthenaturalappearanceoftheleftsideofhersmalldelicate（=thin;notstrong）face.Soonshecouldn’tevenclosehermouthandashereatingproblemsworsenedBetty‘sweightdroppedfrom20kilosto15.Martinknewfromexperiencethatitmightinvadethebrain.

Theonlyotherpossibilitywasthoroughradiationtherapy（放射疗法）.NightafternightBetty'sfathergaveherinjectionbutthetumourremainedasbigasever.Thenoneevening.Morgannoticedthatthetumourhadbeguntochange.Itwasactuallybecomingsmaller!Fortwomonthshertumourappearedtobegoingawayforever.InthecomingmonthsBetty’stumourcontinuedtoappear.Shewasabletoeatsolidfoodonceagain.Herjawbonewasregenerating.Thetumourwasgone.

67．Whatdoyouthinktheunderlinedwordregeneratemeans?Itmeans“________”.

A.loseone’slife

B.giveanewlifeto

C.bemadebyhand

D.passonfromonegenerationtoanother

68．IfBetty’sjawbonedidn’tregeneratethedoctors________.

A.wouldrebuildherjaw

B.wouldcontinuethetreatment

C.wouldusenewmedicine

D.coulddonothingelse

69．Ifthebrainshouldbeinvadedtheresultwould________.

A.preventhergrowth

B.reduceherweight

C.causeherbraindamaged

D.affecthereyesight

70．Whatdidthedoctorsdotwomonthslater?

A.Theycontinuedtheirobservations.

B.TheygaveuptheoperationonBetty.

C.TheyfoundoutwhatcausedBetty’sstrangedisease.

D.TheydeclaredthatBetty’sstrangediseasewascured.