英文试题求答案4Youhavebeenbadlyinjuredinacaraccident.Itisnecessarytogiveyouabloodtransfusionbecauseyoulostagreatdealofbloodintheaccident.However,specialcaremustbetakeninselectingnewbloodforyou.Iftheblood
英文试题求答案4
Youhavebeenbadlyinjuredinacaraccident.Itisnecessarytogiveyouabloodtransfusionbecauseyoulostagreatdealofbloodintheaccident.However,specialcaremustbetakeninselectingnewbloodforyou.Ifthebloodistoodifferentfromyourown,thetransfusioncouldkillyou.
Therearefourbasictypesofblood:A,B,ABandO.Asimpletestcanindicateaperson'sbloodtype.Everybodyisbornwithoneofthesefourtypesofblood.(6)Bloodtype,likehaircolorandheight,isinheritedfromparents.
Becauseofsubstancescontainedineachtype,thefourgroupsmustbetransfusedcarefully.Basically,AandBcannotbemixed.AandBcannotreceiveAB,butABmayreceiveAorB.Ocangivetoanyothergroup,henceitisoftencalledtheuniversaldonor.Fortheoppositereason,ABsometimescalledtheuniversalrecipient.However,becausesomanyreactionscanoccurintransfusions,patientsusuallyreceiveonlysaltorplasma(liquid)untiltheirbloodcanbematchedasexactlyaspossibleinthebloodbankofahospital.Inthisway,itispossibletoavoidanybadreactionstothetransfusion.
(7)Thereisarelationshipbetweenyourbloodtypeandyournationality.AmongEuropeansandpeopleofEuropeanancestry,about42percenthavetypeAwhile45percenthavetypeO.TherarestistypeAB.Otherraceshavedifferentpercentages.Forexample,someAmericanIndiangroupshavenearly100percenttypeO.
131.Agoodtitleforthisselectionis______.
GettingBloodandPlasmaB.SpecialBloodandColors
HumanBloodTypesD.TheBloodBankofaHospital
132.Theword“hence”inline10means______.
A.alwaysB.oftenC.thereforeD.seldom
133.TheauthorsuggeststhatthethirdmostcommonbloodtypeofEuropeansis______.
AB.BC.ABD.O
134.PeoplewithtypeAbloodcanreceive______.
ABB.BC.OD.Noneoftheabove
135.Ifyouneedatransfusion,thebestandsafestbloodforyouis______.
typeABB.exactlythesametypeasyours
C.amixtureofsalt,plasma,andtypeOD.typeA