首页
外语
计算机
考研
公务员
职业资格
财经
工程
司法
医学
专升本
自考
实用职业技能
登录
外语
The four blood types are【C1】______as A, B, AB, and O. Blood type A【C2】______red blood cells that have a substance A on their sur
The four blood types are【C1】______as A, B, AB, and O. Blood type A【C2】______red blood cells that have a substance A on their sur
admin
2010-04-12
42
问题
The four blood types are【C1】______as A, B, AB, and O. Blood type A【C2】______red blood cells that have a substance A on their surface. This type of blood also contains an antibody directed【C3】______substance B, found on the red cells of persons with blood type【C4】______. Type B blood contains the【C5】______combination. Blood type AB contains【C6】______antibody, but red cells in this type of blood contain both A and B substances. In type O blood, neither substance is【C7】______on the red cells, but the individual is【C8】______of forming antibodies directed against red cells containing substance A or B. If blood type A is transfused【C9】______a person with B type blood, anti-A antibodies in the recipient will【C10】______the transfused A red cells. Because O type blood has【C11】______substance on its red cells, it can be given successfully【C12】______almost any person. Persons with blood type AB have no antibodies and can receive【C13】______of the four types of blood; thus blood types O and AB are called universal donors and universal recipients,【C14】______.
【C15】______hereditary blood-group systems have【C16】______been discovered. The hereditary blood constituent called Rh factor is of great【C17】______in blood transfusions because it creates reactions that can threaten the life of newborn【C18】______. More than twenty【C19】______blood types have been discovered. Their primary importance is in【C20】______cases involving proof of father-and-child relationship.
【C20】
选项
A、legal
B、political
C、religions
D、economic
答案
A
解析
重要性在于在法律上证明父子关系。
转载请注明原文地址:https://kaotiyun.com/show/IAj7777K
0
大学英语四级
相关试题推荐
Beforethe20thcenturythehorseprovideddaytodaytransportationintheUnitedStates.Trainswereusedonlyforlong-distan
Betweenthetwoworldwars,seriousnovelistsandplaywrights(剧作家)werereadandappreciatedmainlybypeoplefrommiddleandup
Japanisanunusualmixtureoftraditionalandultra-modern.Thiscanbeconfusingforthevisitorbecause,althoughitlooksqu
TheChineseNewYearisabigtraditionalholidayinSingapore.OnitsEve,whilemanywill【C1】______forthereuniondinner,o
A、MatchesbetweenEnglandandAustralia.B、MatchesbetweenEnglandandAmerica.C、MatchesbetweenEnglandandIreland.D、Matches
A、Rentthe$600apartmenttemporarily.B、Shareanapartmentwithsomeone.C、Waituntilthereisacheaperapartmentavailable.D
A、ShehasneverbeentoLondon.B、ShewantstorememberLondonasitwas.C、ShehasjustmovedoutofLondon.D、Shehasn’tnotic
Notmanyoftheelementsoccurinnatureaspuresubstances,lyingaroundwaitingforsomeonetopickthemup.Afewdo,andit
Thefourbloodtypesare【C1】______asA,B,AB,andO.BloodtypeA【C2】______redbloodcellsthathaveasubstanceAontheirsur
Thefourbloodtypesare【C1】______asA,B,AB,andO.BloodtypeA【C2】______redbloodcellsthathaveasubstanceAontheirsur
随机试题
根据《药品经营质量管理规范》规定,有关药品批发企业出库复核和出库记录的说法,错误的是()。
目前各种网络为用户提供了大量的不同业务,业务网不包含()。
下列不属于概算定额的编制方法的是()。
狄德罗
Theauthorbelievesthatsportingactivities______.Whichofthefollowingbestsummarizesthemainideaofthepassage?
优先股的“优先”是指()。
对个体农业社会主义改造的阶级政策是()
WhichofthefollowingbestdescribestheAmerica’seconomicsituation?Whatdoesthefigure0.2%inParagraph1indicate?
请在【答题】菜单下选择【进入考生文件夹】命令,并按照题目要求完成下面的操作。注意:以下的文件必须都保存在考生文件夹下。在考生文件夹下打开文本文件“WORD素材.txt”,按照要求完成下列操作并以文件名“WORD.docx”保存结果文档。
Johnishandsome______thescaronhisface.
最新回复
(
0
)