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07年阅读下列短文，从每篇短文后所给各题的四个选项（A、B、C和D）中，选出最佳选项，并在答题卡上将该项涂黑。AKaren,grownupinaverytraditionalfamilyinthewesternUnitedStates,maintainedhighmoral（道德的）standardsthroughoutheryouth..In1984,attheageof23,shemarriedBill.Theywereblessedwithtwochildren,aboyandagirl.By1991theirlovehaddeepened,andtheywerehappy.Laterthatyear,Billdevelopedawhitespotonhistongue.Hevisitedadoctor.Onedayshortlyafterthat,BillcalledKarentositbesidehim.Hesaidwithtearsinhiseyesthathelovedherandwantedtoliveforeverwithher.ThedoctorsuspectedthathehadbeeninfectedwithHIV,thevirusthatleadstoAIDS.ThefamilywastesteD．BillandKaren’sresultswerepositive.BillhadbecomeinfectedbeforehemetKaren;thenhepassedthevirusontoKaren.Thechildren’sresultswerenegative.Withinthreeyears,BillwasdeaD．“Idon’tknowhowtoexpresswhatitisliketowatchtheoncehandsomemanyouloveandintendtolivewithforeverdyingslowly.Icriedmanynights.Hediedthreemonthsshortoftenyearsofourmarriage,”saysKaren.ThoughadoctortoldKarenthatshewouldsoonfollowherhusbandintodeath,sheisstillalive.TheinfectionhasprogressedtotheearlystagesofAIDS.Karenisbutoneofabout30millionpeoplenowlivingwithHIV/AIDS,afigurelargerthanthecombinedpopulationsofAustraliA．IrelandandParaguay.AccordingtooneUNreport,Africahas21millionofthesevictims.Bytheturnofthecenturythatnumbercouldreach40millionandthediseasewillbringonthegreatestdisasterinhumanhistory.Oftheworld’ssexuallyactiveadultsaged15to49,1in100hasalreadybeeninfectedwithHIV.Ofthese,only1in10realizesthatheorsheisinfecteD．InsomepartsofAfrica,25percentoftheadultsareinfecteD．SincethebeginningofthespreadofAIDSin1981,about11.7millionpeoplehavediedofit.Itisroughlycalculatedthatin1997alone,about2,3millionpeoplediedofit.Nevertheless,therearefreshreasonsforoptimisminthebattleagainstAIDS.Duringthepastfewyears,therehasbeenadropinnewAIDScasesinwealthynations.Inaddition,promisingdrugsholdouthopeofbetterhealthandlongerlife.61．BytellingthestoryofKaren,theauthorintendstoA．warnpeopleagainsthighriskbehaviorsB．stresstheimportanceofmedicaltestsC．expresssympathyforAIDSvictimsD．showtheconsequencesofAIDS62．TheunderlinedpartinParagraph1mostprobablymeans“”A．wereluckyinhavingB．wereaskedtoadoptC．regrettedhavingD．gavebirthto63．BillwassuspectedofbeinginfectedwithHIVafter.A．hegotmarriedtoKarenB．thefamilymembersweretestedC．KarenpersuadedhimtoseethedoctorD．hefoundsomethingwrongwithhistongue64．Itcanbeconcludedfromthepassagethat.A．promisingdrugswillsoonstopAIDSB．thespreadofAIDScouldbecontrolledC．itishopelesstowinthebattleagainstAIDSD．thedeathrateofAIDSpatientshasbeenreducedBHowcanacreatureweighingover5tonsandnormallytaking150kilogramsoffoodand120litersofwaterperdaysurviveinadesertenvironment?InthesouthwestAfricancountryofNamibia,andtheSaharalandsofMalifurthernorth,thedesertelephantdoesjustthat.AlthoughnotregardedasaseparatespeciesfromtheAfricanelephant,thedesertcousindiffersinmanyways.Theirbodiesaresmaller,toabsorblessheat,andtheirfeetarelargerforeasierwalkingacrosssandysurfaces.Theyaretaller,toreachhigherbranches.Theyhaveshortertusks（象牙），andmostimportantly,longertrunkstodigforwaterinriverbeds.Desertelephantscantravelover70kilometersinsearchforfeedinggroundsandwaterholes,andhavealargergroupoffamilies,Theydrinkonlyevery3-4days,andcanstorewaterina“bag”atthebackoftheirthroat,whichisonlyusedwhenbadlyneedeD．Desertelephantsarecarefulfeeders-theyseldomrootuptreesandbreakfewerbranches,andthusmaintainwhatlittlefoodsourcesareavailable.Yongelephantsmayeveneatthedung（粪便）ofthefemaleleaderofagroupwhenfacingfoodshortage.Duringdroughttheyareunlikelytogivebirthtotheiryoungbutwithgoodrainsthebirthratewillincreasegreatly.Desertelephantshavesandbaths,sometimesaddingtheirownurine（尿液）tomakethemmuddy!Aswecontinuetooverheatourweakplanet,itcanonlybehopedthatotheranimalspecieswilladaptasextraordinarilywelltochangeasthedesertelephant.65．TheunderlinedpartinParagraph2means“”A．remainsintheAfricancountriesB．drinks120litersofwateradayC．managestoliveindesertareasD．eats150kilogramsoffooddaily66．DesertelephantsarecalledcarefulfeedersbecausetheyA．rarelyruintreesB．drinkonlyevery3-4daysC．searchforfoodinlargegroupsD．protectfoodsourcesfortheiryoung67．TheauthoranswersthequestionraisedinthefirstparagraphwithA．storiesandexplanationB．factsanddescriptionsC．examplesandconclusionD．evidenceandargument68．Whatcanbeinferredfromthelastsentenceinthepassage?A．OverheatingtheearthcanbestoppeD．B．Notallanimalspeciesaresoadaptable.C．Theplanetwillbecomehotterandhotter.D．Notallanimalsareassmartasdesertelephants.CAlmosteverychildisscaredofsomething,frommonstersinthecupboardtodogsinthepark.Butthefactthatsuchfearsarecommonandnormaldoesn’tmeantheycanbetakenlightly.Kidsexperiencefearsandphobias（恐惧症）muchmorestronglythanadults.Andtheinfluenceofthefearcanbephysicalaswellaspsychological（心理的）.Itcanbuildupsotheyalmostseemscaredofeverything-akindofchildhoodanxiety.Dr.Creswellsays:“Yourchildmayalwaysseemtoexpecttheworsttohappenandlackconfidenceinhisorherabilitytodealwithanychallenge.”Sodon’tmakethesameoldmistakeoftreatingthemasifthey’resillyforbeinga“scaredycat”.Handingthefearsisessential.Childrenca