首页
登录
职称英语
Two groups of scientists demonstrated last week for the first time that the
Two groups of scientists demonstrated last week for the first time that the
游客
2023-08-25
26
管理
问题
Two groups of scientists demonstrated last week for the first time that the body launches a massive, effective counterattack on the virus soon after infection of HIV begins. If doctors can figure out how to reproduce that early, powerful immune response, they might be able to develop better treatments to【C1】______stages of the disease. The researchers should be【C2】______— and more than a bit of luck. After all, to study someone at the beginning of a relatively【C3】______phase of the HIV infection, they had to find people who did not yet realise they had contracted the virus. It【C4】______that at least a third of HIV-infected people develop a fever or a severe sore throat within a few weeks to months after first【C5】______. Such signs, which usually clear up in their own, can easily be【C6】______as a bad flu. In order to identify seven young men suffering from a primary HIV infection, the researchers took this project by【C7】______in hospital emergency rooms and talking to colleagues.
Using advanced laboratory tests that had been developed only in the past few years, both sets of scientists discovered an【C8】______growth of virus in the men’s blood streams. Each litre of the men’s blood contained as many as 10 million infectious viruses.
Within days after the virus burst, the researchers measured a rapid increase in the bloodstream of the number of anti-HIV antibodies(抗体). These Y-shaped bits of protein sought out the virus and targeted it for【C9】______. Once the antibody attack reached full scale in the seven test subjects, the level of HIV in the bloodstream dropped【C10】______. In the majority of cases, the researchers could detect little or no virus two to three weeks later. In other words, the normal immune system can shut down the AIDS virus. Now researchers must figure out exactly how the body puts together this early effective defense — and how the virus manages, years later, to avoid it.
A)destruction I)abruptly
B)interrupt J)segregation
C)impair K)testifies
D)residing L)lively
E)misdiagnosed M)explosive
F)exemplified N)silent
G)persistent O)exhausting
H)exposure [br] 【C4】
选项
答案
K
解析
主语it指代的that从句的内容,即研究的结果,选项中的动词中只有testifies“证明,表明”在语义和时态上符合,故答案为K)testifies。exemplified意为“举例说明,作为……的例子”,此处不涉及例证关系,且exemplified的时态也与that宾语从句不符,因此排除F)。
转载请注明原文地址:https://tihaiku.com/zcyy/2956681.html
相关试题推荐
[originaltext]Cananimalsbemadetoworkforus?[32]Somescientiststhink
[originaltext]Cananimalsbemadetoworkforus?[32]Somescientiststhink
AteamofGermanscientistshastakenpicturesofanancientfishthatwast
AteamofGermanscientistshastakenpicturesofanancientfishthatwast
AteamofGermanscientistshastakenpicturesofanancientfishthatwast
AteamofGermanscientistshastakenpicturesofanancientfishthatwast
AteamofGermanscientistshastakenpicturesofanancientfishthatwast
AteamofGermanscientistshastakenpicturesofanancientfishthatwast
Economicgrowthreliesonthreegroupsofpeople.Itreliesonpeoplewhoma
Economicgrowthreliesonthreegroupsofpeople.Itreliesonpeoplewhoma
随机试题
MembershipintheUnitedNationsisopentoallpeace-lovingstateswhichaccept
D
①我们所能做的只是延缓细菌耐药性进化的速度,延长现有抗生素的使用寿命而已 ②为
闭路电视监控系统的监视器画面指标有脉冲于扰和()。A.视频信杂比 B.随
对普通培养基的灭菌,宜采用A:煮沸法 B:巴氏消毒法 C:间歇灭菌法 D:
基本支出预算的编制原则有()。A.综合预算的原则 B.优先保障的原则 C.
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
下消之肾阴亏虚证,治宜选方A.金匮肾气丸 B.六味地黄丸 C.左归丸 D.
图示矩形截面连杆,端部与基础通过铰链轴连接,连杆受拉力F作用,已知铰链轴的许用挤
某投标人于2006年5月3日收到中标通知书。但是在2006年5月10日却又收到了
最新回复
(
0
)