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
考研
When a disease of epidemic proportions threatens the public, scientists immediately get to work, trying to locate the source of
When a disease of epidemic proportions threatens the public, scientists immediately get to work, trying to locate the source of
admin
2009-04-26
73
问题
When a disease of epidemic proportions threatens the public, scientists immediately get to work, trying to locate the source of affliction and find ways to combat. Vaccination is one of the effective ways to protect the (1)_____ population of a region or country which may be (2)_____ grave risk. The process of vaccination allows the patient’s body to (3)_____ immunity to the virus or disease so that, if it is encountered, one can fight it (4)_____ naturally. To accomplish this, a small weak or dead (5)_____ of the disease is actually injected into the patient in a controlled environment, (6)_____ his body’s immune system can learn to fight the invader (7)_____. Information (8)_____ how to penetrate the disease’s defenses is (9)_____ to all elements of the patient’s immune system in a process that occurs naturally, in which genetic information is passed from cell to cell. This makes sure that (10)_____ the patient later come into contact with the real problem, his body is well equipped and trained to (11)_____ with it, having already done so before.
There are, however, dangers (12)_____ in the process. (13)_____, even the weakened version of the disease contained in the vaccine proves (14)_____ much for the body to handle, resulting in the immune system (15)_____, and, therefore, the patient’s death. Such is the case of the smallpox vaccine, (16)_____ to eradicate the smallpox epidemic that nearly (17)_____ the whole Native American population and killed massive numbers of settlers. (18)_____ 1 in 10,000 people who receive the vaccine (19)_____ the smallpox disease from the vaccine itself and dies from it. Consequently, the process, which is truly a (20)_____, may indeed hide some hidden curses.
Notes:
proportions(pl.)规模;程度;大小。affliction(疾病)痛苦。vaccination n.接种疫苗。eradicate v.根除,消灭。
选项
A、so
B、too
C、rather
D、quite
答案
B
解析
结构搭配。too...to do sth.太…以至于不…。
转载请注明原文地址:https://kaotiyun.com/show/2La4777K
0
考研英语一
相关试题推荐
Iamaddictedtoelectricity.Soareyou.Andsoisyourbusiness.Weliveinan"alwayson"world—airconditioners,streetlight
Iamaddictedtoelectricity.Soareyou.Andsoisyourbusiness.Weliveinan"alwayson"world—airconditioners,streetlight
Afterclashesbetweenriotpoliceandprotesters,workersattheKeihinHotelinTokyowereforciblyejectedonJanuary25th.Th
Technologyissupposedtomakeourliveseasier,allowingustodothingsmorequicklyandefficiently.Buttoooftenitseemst
Anecdotalevidencehaslongheldthatcreativityinartistsandwriterscanbeassociatedwithlivinginforeignparts.Rudyard
Insomeplaces,ithashelpedcurbcorruption,encouragedmoregirlstogotoschoolandenabledcitizenstomonitorelectionvi
[A]StartyourMondayoffbyexercising[B]Unplugyourdevicestillthemorning[C]Dosomemindtrainingbeforebedtime
[A]Makingfaces[B]Showoff[C]Useacoloreffect[D]Spontaneoussnapshots[E]Creativebackground[F]Natura
BritishphysicistDr.JessWadehaswritten270Wikipediapagesfortrailblazingfemalescientistsinanefforttogeteverywom
OnherfirstmorninginAmerica,lastsummer,mydaughterwentouttoexplorehernewneighborhood—alone,withouteventellingm
随机试题
下列式子中正确表达对当关系I与O的关系的有()
供热管道安装补偿器的目的是()。
下面对于点型感烟、感温火灾探测器的安装要求中,正确的是()。
重视加强领导干部的学习,是我们党保持和发展先进性,始终走在时代前列的重要保证,也是领导干部健康成长、提高素质、不断进步的重要途径。特别是在新形势下,领导干部只有认认真真地学习,才能始终跟上时代进步的潮流,才能担当起领导干部的重任。可以说,领导干部的学习水平
对个性相对稳定性原则的理解正确的是()。
以()为基础的绩效考评指标体系,能清楚地说明组织或员工在考评期内完成的工作任务及其对组织贡献的大小。
Expectationssurroundingeducationhavespunoutofcontrol.Ontopofaseven-hourschoolday,ourkidsmarchthroughhoursof
MODEM是一种DCE,计算机是一种DTE,根据接口标准RS-232,MODEM和计算机之间至少需要连接的线数是(293)。MODEM收到呼叫信号后向计算机发送的信号是(294)。当数据发送完毕,计算机向MODEM发送的信号是清除(295)、MODEM随后
软件文档是软件工程实施中的重要成分,它不仅是软件开发的各阶段的重要依据,而且影响软件的【】。
在正确安装VisualBasic6.0后,可以通过多种方式启动VisualBasic6.0。以下方式中,不能启动VisualBasic6.0的是()。
最新回复
(
0
)