首页
登录
职称英语
The H5N1 virus does not usually infect humans. In 1997, however, the first c
The H5N1 virus does not usually infect humans. In 1997, however, the first c
游客
2024-02-27
12
管理
问题
The H5N1 virus does not usually infect humans. In 1997, however, the first case of【S1】______ from a bird to a human was seen during an outbreak of bird flu in poultry in Hong Kong. The virus【S2】______ severe respiratory illness in 18 people, 6 of whom died. Since that time, there have been other cases of H5N1 infection among humans. Most recently, human cases of H5N1 infection have【S3】______ in Thailand, Vietnam and Cambodia during large H5N1 outbreaks in poultry. The death【S4】______ for these reported cases has been about 50 percent. Most of these cases occurred from【S5】______ with infected poultry or contaminated surfaces; however, it is thought that a few cases of human-to-human spread of H5N1 have occurred.
So far, spread of H5N1 virus from person to person has been【S6】______ and spread has not continued【S7】______ one person. However, because all influenza viruses have the ability to change, scientists are【S8】______ that the H5N1 virus could one day be able to infect humans and spread easily from one person to another. Because these viruses do not commonly infect humans, there is【S9】______ or no immune protection against them in the human population. If the H5N1 virus were able to infect people and spread easily from person to person, an "influenza pandemic" (worldwide outbreak of disease) could begin. No one can predict when a pandemic might occur. However, experts from around the world are watching the H5NI situation in Asia very【S10】______ and are preparing for the possibility that the virus may begin to spread more easily and widely from person to person.
A) number B) concerned C) caused D) over
E) spread F) contact G) beyond H) absent
I) forgotten J) little K) occurred L) slightly
M) rare N) closely O) rate [br] 【S2】
选项
答案
C
解析
cause引起。
转载请注明原文地址:https://tihaiku.com/zcyy/3486248.html
相关试题推荐
[originaltext]Weusuallythinkofhistoryasthestoryofimportantpeople
[originaltext]Weusuallythinkofhistoryasthestoryofimportantpeople
[originaltext]Weusuallythinkofhistoryasthestoryofimportantpeople
Internetvotinghappensallthetime,butusuallyit’sconfinedtotopicssu
Internetvotinghappensallthetime,butusuallyit’sconfinedtotopicssu
Internetvotinghappensallthetime,butusuallyit’sconfinedtotopicssu
Internetvotinghappensallthetime,butusuallyit’sconfinedtotopicssu
Americansusuallyconsiderthemselvesafriendlypeople.Theirfriendships,
By2003anestimated42millionpeoplewereinfected【S1】______andmorethan
By2003anestimated42millionpeoplewereinfected【S1】______andmorethan
随机试题
Thefourmajormodesofsemanticchangeare______.A、extension,narrowing,eleva
MulticulturalEducation:PiecingTogetherthePuzzleToday,we’l
下列属于连续型变量的是A.体重 B.职称 C.身高 D.血压 E.皮试结
烧伤包括()。A.烫伤 B.热烧伤 C.电烧伤 D.火烧伤 E.化学烧
下列不属于清静养神的内容是()。A.恬淡虚无 B.劳耗心神 C.清净为本
下列不属于基金管理公司内部控制制度组成部分的是( )。A.基本管理制度 B.
对薪酬调查数据进行统计分析的方法有哪些?
为实现“事事有人负责”和“事事有条件负责”的愿景,企业的组织设计需要遵循的原则是
根据《中华人民共和国民法总则》(以下简称《民法总则》)规定,代理具有的特征有(
企业对境外经营的子公司外币资产负债表折算时,在不考虑其他因素的情况下,下列各项中
最新回复
(
0
)