图所示结构是（） A: 疟原虫环状体  B: 染料杂质  C: 细胞核  D: Howell-Jolly‘sbody  E: 点彩红细胞

图所示结构是（） A: 疟原虫环状体 B: 染料杂质 C: 细胞核 D: Howell-Jolly‘sbody E: 点彩红细胞

急性白血病时可出现（）。 A: B: Russellbody C: D: Howell-Jolly’Sbody E: F: Auerbody G: H: DOMebody I: J: abnormallymphocyte

CarolynTwietmeyerlayinanAddisAbabahospitalbedinJuly2008,holding11-yearoldSelah,whohadbeenherdaughterforonlyafewweeks.Swattingbitinginsectsthatswarmedthroughthewindow,shelistenedasdoctorssaidtherewaslittlehopeforherchild:SelahhadAIDS,weighedmere32pounds,andhadlongbeendeniedbloodtransfusionsduetolimitedsupply.WithCarolyn’sbloodnowpumingthroughthegirl’sbody,sheprayedSelahwouldbewellenoughtoboardaplanetotheTwietmeyers’homeintheChicagosuburbs. Luckmayhaveplayedapart,butTwietmeyer’sdeterminationmadeadifferenceinSelah’slife–she’snowanenergetic13yearoldgirl---asithasdoneforCarolynandherhusbandKiel’s12otherkids,aged4to21.Withsevenbiologicalchildrenandsixadopted(twoofwhomhaveHiV),Carolyn,40,andKiel,35,presideoverasomewhatunwieldybutobviouslylovingclan. In2006,TheTwietmeyersfoundedProjectHopeful,anonprofitthat,sofar,hashelpedplaceorphans,manywithHIV,with180familiesintheUS.ShaneandDianeLewis,ofCrownPoint,Illinois,workedwithProjectHopefultoadoptfourdaughers,aged6to8,whoareallHIVpositive.“Carolynisalwaysavailablewithanswersorencouragement,”saysShane“Adoptingachildwithseriousmedicalneedsisnoteasy,”headds“Yourcommitmentwillbetested,butit’sabsolutelyworthit” TheTwietmeyersalsofeelthechallenges.Kiel’s$64000salaryisstretchedthinandCarolynrisesat4:00am.topreparemealsandlessonplans.Butthehappiness,theysay,faroutweighsthecosts.Oneevening,12ofthekidsstageabreak-dancecontestinthefamilyroom.Watchingthemcollapseintoapileofgigglesandshrieks,CarolyncatchesKiel’seyesandsmiles.Wearenotwealthy.Shesays..“Butwefeelrich.”