首页
登录
职称英语
What is the conventional way to cure the malaria? [originaltext] The fight ag
What is the conventional way to cure the malaria? [originaltext] The fight ag
游客
2023-12-05
59
管理
问题
What is the conventional way to cure the malaria?
The fight against malaria may have taken a promising step forward with the latest tests of a new kind of vaccine, which aims to keep people healthy and prevent the infection from spreading.
(6)Most malaria vaccines under development work by including genetically engineered versions of just a handful of the thousands of proteins of a parasite that could cause malaria. Those modified proteins are designed to trigger an immune response to this parasite, after it’s passed into the host’s bloodstream by the bite of an infected mosquito.
(7)In contrast, says researcher Robert A. Seder of the US National Institute of Allergy and Infectious Diseases, this new vaccine includes a deactivated version of the entire parasite. " So instead of picking out one or two or three genes," he says, " you have the potential for what we call breadth generating an immune response that would be broad rather than narrower. And so that would be a good thing. "
选项
A、Altering genes of the parasite.
B、Controlling an immune system response.
C、Injecting parasite proteins into bloodstream.
D、Maintaining original parasite proteins.
答案
A
解析
本题设题点在方法途径处。根据句(6)可知,现在广泛应用的疟疾疫苗是通过变异几组数以千计的疟原虫蛋白质基因实现的。变异后的蛋白质通过受感染的蚊子叮咬传人患者血液中,以引起身体对这种特定寄生虫的免疫反应,故答案为[A]。
转载请注明原文地址:https://www.tihaiku.com/zcyy/3246423.html
相关试题推荐
[originaltext]Atleast31people,including6childrenwerekilledwhenabu
WhatisthemainpurposeofAngelina’svisittoIraq?[br][originaltext]Nowli
WhatisthemainpurposeofAngelina’svisittoIraq?[originaltext]Nowlistent
IntheBlackForest,theacidrainissaidtoattackallEXCEPT[originaltext]
[originaltext]VeterinarySurgeonInterviewer:Mr.Bacon
[originaltext]VeterinarySurgeonInterviewer:Mr.Bacon
[originaltext]VeterinarySurgeonInterviewer:Mr.Bacon
[originaltext]Officer:Mrs.Harrison(It),thanksverymuchforcomingdownher
[originaltext]Officer:Mrs.Harrison(It),thanksverymuchforcomingdownher
[originaltext]Officer:Mrs.Harrison(It),thanksverymuchforcomingdownher
随机试题
TVProgrammesChannel(频道)1Ch
[img]2011q1/ct_etoeiclm_etoeiclzp_0601_2010121[/img][br][originaltext](A)The
Scientificconsensusisthathumansfirstbegantohaveawarmingeffecton
InterpersonalRelationshipsInthelast25yearswehavewitnessedanimpress
Environmentistouswhatwateristofish—onno______canwelivewithoutit!A
下列行为,税务机关有权要求提供纳税担保的是( )。A.纳税人办理延期纳税申报
Ⅲ型超敏反应的重要病理学特征是A:红细胞浸润B:巨噬细胞浸润C:淋巴细胞浸润
抗原抗体包被后一般采用下列何种试剂进行封闭?( )A.1%~5%牛血清白蛋白
进口采购的农产品影响其价格的因素有()。A:港杂费和运输成本 B:到岸价
国际海洋运输的特点包括()。A.运量大 B.通过能力大 C.运费高
最新回复
(
0
)