首页
财务会计
医药卫生
金融经济
考公考编
外语考试
学历提升
职称考试
建筑工程
IT考试
其他
登录
学历提升
Blood is very important. when doctors understand how blood goes around inside...
Blood is very important. when doctors understand how blood goes around inside...
admin
2020-12-24
30
问题
Blood is very important. when doctors understand how blood goes around inside the body, they try ways of giving blood to people who need it. They take blood from the healthy people and give it to the patient in need of blood. This course is ( 1 ) “blood transfusion (输血)”.
But there are two problems. First, it does not always work. Sometimes people die when they ( 2 ) blood transfusion. Later, doctors find that we do not all have the same kind of blood. There are four groups --- O, A, B and AB. We all have blood of one of these groups. They also find that they can give any kind of blood to people of group AB. But they find that they ( 3 ) give A-group blood to A-group people and B-group blood to B-group people. If a person has O-group blood and the doctor could give his blood to anyone else safely.
There is another problem. To give blood of the right kind, doctors have to find a person of the right blood group。Often they cannot find a person in time. At first they find they can keep the blood in bottles for fifteen to twenty days. They do this by ( 4 ) it very cold. They find how to keep it longer in the end. One day, when you grow up, you may decide to give blood to a “blood bank”. In this way, you may stop ( 5 ) dying. Or perhaps one day you may become ill and need some blood with the same kind.
根据短文内容,在A、B、C、D、E五个选项中,选出最佳答案填入文中【1】处。().
选项
A have
B from
C must
D making
E called
答案
E
解析
转载请注明原文地址:https://ti.zuoweng.com/ti/thB8KKKQ
相关试题推荐
Atransplantoperationissuccessfulonlyifdoctorscanpreventthebodyfro...
Yourexplanationistoogeneraltounderstand;youshouldtrytobemore().A.spi
Youdonothavetounderstandeverythingallatonce.
Canyouanswer?Ihaveaproblemdonotunderstand,Iwouldliketoaskyou.
Doyoustillhaveanythingthatyoudon'tunderstand?
Hedidn’tunderstandwhattheteachersaid.
Airisallaroundus.
Thedoctorsdecidedtoseethisstrangemanthemselves.
Hedidn'tunderstandwhattheteachersaid.
Bloodisveryimportant.whendoctorsunderstandhowbloodgoesaroundinside...
随机试题
建筑外保温系统主要包括墙体和屋面的外保温。当外墙体采用B2级保温材料时,每层沿楼
按照铁路隧道围岩分级判定标准,下列属于Ⅱ级围岩判定特征的是( )。
五行中具有“从革”特性的是
按投资市场分类,股票基金的分类不包括()。
电流互感器二次侧接地是为了()。 (A)测量用;(B)工作接地;
旅客列车的( ),是指旅客列车在运行区段内,每小时平均运行的公里数。 A.
以下关于价值观问题的说法不正确的是A.价值观是人们在实践中形成的对于价值.价值关系的一般看法和根本观点B.价值观是处理各种价值问题时所持有的比较稳定的立
为了提高商业银行核心资本,下列最合理的方式是()。A.提高留存利润B.发行优先股票C.发行普通股票D.发行次级债券
脾胃湿热可见A.花剥苔B.黄腻苔C.薄白苔D.灰黑而润苔E.灰黑而干苔
贷款发放时,银行应审查有关提款账户、还本付息账户或其他专用账户是否已开立、性质是否已明确。()