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
Throughout the world there is a shortage of human organs for transplants. In Britain, for example, 6000 people are waiting for o
Throughout the world there is a shortage of human organs for transplants. In Britain, for example, 6000 people are waiting for o
admin
2011-01-06
74
问题
Throughout the world there is a shortage of human organs for transplants. In Britain, for example, 6000 people are waiting for organs ——5000 for kidneys, and the (51) for hearts, lungs and livers. (52) , only about 1750 kidney, 500 heart and lung, and 650 liver transplants are (53) each year. And the waiting (54) increases at five percent a year. In the United States only half of the 30000 in need of organs (55) them.
Hence the great interest in animal-to-human transplants, known as xenografts or xenotransplants (from the Greek work xenos, meaning strange of foreign) (56) most scientists believe is the only long-term solution to the organ (57) . There have been attempts at xenotransplants (58) the beginning of this century but neither has been successful; the longest (59) was a 20-day-old baby called Fae, who in 1984 was (60) the heart of a baboon.
The main (61) with any organ transplant is that the immune system of the patient receiving the organ sees the transplant organ (62) an invader. The immune system therefore launches a massive attack on the invader, activating enzymes knows as complement, which attack the (63) body, eventually killing the patient as well. This rejection has been (64) when transplanting human organs between humans by the close matching of tissue and the long-term use of drugs known as immuno-suppressants, first introduced just over ten years ago. With xenotranplants, however, rejection is even more (65) ; a normal pig’s heart, for example, transfuses with human blood can be destroyed in 15 minutes.
选项
A、extent
B、foreign
C、outside
D、guest
答案
B
解析
foreign意为“来自外部的,非本人的”。
转载请注明原文地址:https://kaotiyun.com/show/Gomd777K
本试题收录于:
职称英语卫生类B级题库职称英语分类
0
职称英语卫生类B级
职称英语
相关试题推荐
1.WhenChristopherColumbusLandonAmerica’sshores,heencounteredcopper-shinnedpeoplewhomhepromptlycalled"Indians".C
1.Thefilmisnotwithoutitsdrawbacks.Disappointment,failure,selfdoubt,regretsoveropportunities,missedormisusedthe
Ifyouintendusinghumorinyourtalktomakepeoplesmile,youmustknowhowtoidentifysharedexperiencesandproblems.Your
Itisnaturalforyoungpeopletobecriticaloftheirparentsattimesandtoblamethemforthemostofthemisunderstandings
Itisnaturalforyoungpeopletobecriticaloftheirparentsattimesandtoblamethemforthemostofthemisunderstandings
Whatdowethinkofwhenweheartheword"business"?Someofusthinkofourjogs,othersofthemerchantstheydealwithasco
1.Workingparentsandteachersseeafter-schoolprogramsnolongerasoptional,butasanessentialsupportforchildrenasthe
Readthefollowingpassageandanswerquestions9-18.1.FromDr.R.S.ScorerofBritain’sImperialCollegeoftheSciencecomes
Wedidn’tenjoyourwalkalongtheseafrontbecauseitwassowindy.preventedThestrongwind____________________our
Whatisthewritertryingtodeinthetext?CustomerschooseMrBirdbecausehisshoes
随机试题
Jackdidnotpassthedrivingtest,________wehadexpected.
在视图中能反映线段实长是该投影面的________。
车床主轴前顶尖跳动,车外圆时,会产生圆柱度误差。()
食物中毒特征不包括
工程量清单总说明应按()填写。
根据我国《标准化法》的规定,( )负责对标准的实施进行监督检查。
某公司对4名部门经理进行考核,在听取个人述职报告后,由总经理、各部门员工以及其他同事对其工作绩效进行评价。然后,公司又组织专家对4人的工作绩效也进行了量化评价,评价结果如下表:“0”表示考核对象与比较对象绩效水平一致,“+”表示考核对象比比较对象绩效水平高
根据公司法律制度的规定,下列有关公司变更登记的表述中,正确的是()。
A:I’vejustheardthattheticketsforSwanLakehavebeensoldout!B:Oh,no!______
Becauseeveryoneknows,factsspeaklouderthanwords.
最新回复
(
0
)