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
72
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.
【C19】
选项
A、supplementary
B、surplus
C、additional
D、further
答案
C
解析
根据句义,另外二十多种血型被发现。supplementary辅助的,增补的;additional另外的;surplus过剩的; further更进一步的。
转载请注明原文地址:https://kaotiyun.com/show/BAj7777K
0
大学英语四级
相关试题推荐
ThecontinentalUnitedStateswillfacemoreextremetemperaturesduringthenextcenturyandworserainfallalongitsGulfCoas
GeorgeDanielslivesinLondon.Heisawatchmaker.Hisworkcontinuesthe【B1】oftheEnglishwatchmakersofthe18thand19thce
A、Takesomeextratime.B、Doawritingexercise.C、Dosomeworkforanothercourse..D、Writethestoryendingfirst.B信息明示题,女士说,
A、Herprofessordidnotlikeherstory.B、Shehadtroublefinishingherassignment.C、Shedidnotlikethetopicshehadchosen
Beforethe20thcenturythehorseprovideddaytodaytransportationintheUnitedStates.Trainswereusedonlyforlong-distan
Beforethe20thcenturythehorseprovideddaytodaytransportationintheUnitedStates.Trainswereusedonlyforlong-distan
TestingTimesResearchersareworkingonwaystoreducetheneedforanimalexperiments,butnewlawsmayincreasethenumbe
GeorgeDanielslivesinLondon.Heisawatchmaker.Hisworkcontinuesthe【B1】______oftheEnglishwatchmakersofthe18thand
Notmanyoftheelementsoccurinnatureaspuresubstances,lyingaroundwaitingforsomeonetopickthemup.Afewdo,andit
Notmanyoftheelementsoccurinnatureaspuresubstances,lyingaroundwaitingforsomeonetopickthemup.Afewdo,andit
随机试题
按照资源税有关规定,独立矿山收购未税矿产品适用()。
对进入新药临床试验的药物及病例选择应具备的条件,不正确的是
一名14岁的男孩,因意识不清4小时被母亲送到急诊室,母亲告诉医生,孩子近半年多食易饥,消瘦,曾到医院就诊。化验血糖增高,尿糖阳性。体检病孩消瘦,中度昏迷入院后母亲告诉医生,孩子最近因感冒咽痛、发热,1日前肌注青霉素,并口服阿司匹林。昏迷原因最大可能是
发生可能对上市公司股票交易价格产生较大影响而投资者尚未得知的重要事件时,上市公司公告应说明事件的实质。下列所述各项,不属于上述所称的重要事件的是。()
封闭式基金与开放式基金的区别不包括()。
以下关于现值和终值的说法,错误的是()。
企业因()举行的信息发布会,其主题属于说明性主题。
()是以工作岗位为对象,采用科学的调查方法,收集各种与岗位相关的信息和资料的过程。
用Word97对文档进行分栏设置,最多能分的栏数是()。A.3栏B.5栏C.11栏D.2栏
______thattheenvironmentcontinuestobedamagedatthecurrentrate,itwillnotbelongbeforetheearthistotallydestroy
最新回复
(
0
)