首页
登录
职称英语
Although we already know a great deal about influenza, it is difficult for e
Although we already know a great deal about influenza, it is difficult for e
游客
2023-08-26
64
管理
问题
Although we already know a great deal about influenza, it is difficult for epidemiologists(流行病学家), who study infectious disease, to【C1】______when and where the next flu epidemic will occur, and how【C2】______it will be. There are three kinds of influenza virus, known as A, B and C. Influenza C virus is relatively stable and causes mild【C3】______that do not spread far through the population. The A and B types are【C4】______, and are responsible for the epidemics that cause frequent concern. Following any virus attack, the human body builds up antibodies which confer(给予)immunity to that strain of virus, but a virus with the capacity to change its character is able to bypass this【C5】______. Variability is less developed in the influenza B virus, which affects only human beings. An influenza B virus may cause a widespread epidemic but will have little effect if【C6】______into the same community soon afterwards, since nearly everyone will have built up antibodies and will be immune. The influenza A virus, which【C7】______affects animals, is extremely unstable and is responsible for some of the worst outbreaks of the disease, such as the unparalleled pandemic, or world epidemic. Accurate prediction is difficult because of the complication of the【C8】______. A particular virus may be related to one to which some of the population have【C9】______involved immunity. The extent to which it will spread will depend on factors such as its own strength, or virulence, the ease with which it can be【C10】______and the strength of the opposition it encounters. Scientists, however, have a reliable general picture of the world situation, according to which we may take some precautions.
A)partially I)epidemics
B)guess J)also
C)factors K)attacks
D)equally L)introduced
E)generally M)unstable
F)protection N)infections
G)transmitted 0)predict
H)severe [br] 【C1】
选项
答案
O
解析
此处应填动词。此处是it is…for sb.to do sth.结构。when and where the...will occur这一将来时态的句子表明,科学家们对未来事情的判断应该是一种“推测”,选O)predict。B)guess一般表示毫无根据的猜测,故排除。
转载请注明原文地址:http://tihaiku.com/zcyy/2958866.html
相关试题推荐
[originaltext]Whalesarehuge,butdifficulttosee,whichaddstotheirmy
[originaltext]Influenza,ortheflu,attacksuptoonebillionpeopleannua
Althoughwealreadyknowagreatdealaboutinfluenza,itisdifficultfore
Althoughwealreadyknowagreatdealaboutinfluenza,itisdifficultfore
Althoughwealreadyknowagreatdealaboutinfluenza,itisdifficultfore
Althoughwealreadyknowagreatdealaboutinfluenza,itisdifficultfore
Althoughwealreadyknowagreatdealaboutinfluenza,itisdifficultfore
Althoughwealreadyknowagreatdealaboutinfluenza,itisdifficultfore
Althoughwealreadyknowagreatdealaboutinfluenza,itisdifficultfore
Thetrendtowardsmallerfamiliesmaynotbeasmodernaswethink.Although
随机试题
TakingCareofParentsAlsoMeansTakingCareofFinancesDen
[originaltext]Beethovenprobablybegantogodeafin1797,buthetriedto
TheSkillsRequiredtoGetaJobI.Academicskills:ba
[originaltext]M:Howdifferentwouldyouimaginethelearningofasecondlangu
结合具体作品,论述艺术典型。
《建筑灭火器配置设计规范》(GB50140)于()起实施。A.2005年7月1
莫言的文学创作拥有深厚的地域和民间渊源,他以丰富的想象力,将魔幻现实主义与民间故
在半强式有效市场中,证券当前价格反映的信息有( )。 Ⅰ公司的财务报告 Ⅱ
(2018年真题)下列选项中,不属于QFII在经批准的额度内可以投资的人民币金融
下列选项中,有关电影的表述,不正确的一项是( )。A.电影由动态画面呈现
最新回复
(
0
)