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
45
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.
【C18】
选项
A、childs
B、infants
C、boys
D、kids
答案
B
解析
由于前面有newborn,因此只有infant婴儿符合。
转载请注明原文地址:https://kaotiyun.com/show/6Aj7777K
0
大学英语四级
相关试题推荐
Thereisnospecificrequirementsonthesamplelisteningtests,sostudentscanlistentothedialoguerepeatedly______(想要听几遍都可
AfeatureofUSeducationthatwehavenotyetdiscussediscontinuousclassroominteractionbetweenteacherandstudents.From
A、Herprofessordidnotlikeherstory.B、Shehadtroublefinishingherassignment.C、Shedidnotlikethetopicshehadchosen
Forthispart,youareallowed30minutestowritealetterSupposeyouareWangLingwhoisgoingtoprovideaccommodationtoN
Scientistsarelearningmoreaboutour【C1】______forsleep.Mostpeoplesleep【C2】______eighthourseachnight.【C3】______people
Beforethe20thcenturythehorseprovideddaytodaytransportationintheUnitedStates.Trainswereusedonlyforlong-distan
TheChineseNewYearisabigtraditionalholidayinSingapore.OnitsEve,whilemanywill【C1】______forthereuniondinner,o
Intheearlydaysoftheinternet,manypeopleworriedthataspeopleintherichworldembracednewcomputingandcommunication
A、Aforeigncountry.B、London.C、Birmingham.D、Adifferenttimezone.A
Thefourbloodtypesare【C1】______asA,B,AB,andO.BloodtypeA【C2】______redbloodcellsthathaveasubstanceAontheirsur
随机试题
某餐厅拟开发一套“掌上点菜宝”软件,其点菜业务描述如下:顾客来到餐厅点菜,顾客选好菜品后,将所选菜品告之服务员,形成点菜单。随后,点菜单的信息被传送到后厨。后厨制作菜品,服务员按点菜单上菜。当顾客就餐完毕,进行结账,服务员将根据菜品价目表和点菜单计算
某年轻女患者,在得知自己患了黄疸型肝炎后很恐惧,怕男友离开她,怕同事疏远她,因而恳求医师替她保密。医师很同情她,就决定替她保守这个秘密,但要求她抓紧治疗,不要耽误病情。医师这种做法
符合血管性血友病的实验结果是
溃疡性结肠炎病变多位于
“无论是政治的立法或市民的立法,都只是表明和记载经济关系的要求而已”,马克思这句话的含义是:
某变电站10kV回路工作电流为1000A,采用单片规格为80×8的铝排进行无镀层搭接,请问下列搭接处的电流密度中哪一项是经济、合理的?
有线电视传输工程信号传输的方向是()。
以投保时保险标的实际价值或估计价值作为保险价值,其保险金额按保险价值确定的保险被称之为( )。
甲骨文是刻在()上的文字,反映了商朝统治者占卜及当时的社会生活状况。
WhathasthePakistanigovernmentdonebeforeaprojecteddemonstration?
最新回复
(
0
)