首页
登录
职称英语
At the turn of the 20th century, Dutch physician Christiaan Eijkman showed
At the turn of the 20th century, Dutch physician Christiaan Eijkman showed
游客
2024-11-18
12
管理
问题
At the turn of the 20th century, Dutch physician Christiaan
Eijkman showed that disease can be caused not only by
microorganisms but by a dietary efficiency of certain substances【M1】______
now called vitamins. In 1909 German bacteriologist Paul Ehrlich
introduced the world’s first bactericide, a chemical designed to kill
specific kinds of bacteria with killing the patient’s cells as well.【M2】______
Following the discovery of penicillin in 1928 by British
bacteriologist Sir Alexander Fleming, antibiotics joined medicine’s
chemical armory, making the fight against bacterial infection
almost a routine matter. Antibiotics cannot act as viruses, but【M3】______
vaccines have been used to greatly effect to prevent some of the【M4】______
deadliest viral diseases. Smallpox, once a worldwide killer, was
completely eradicated by the late 1970s, and in the United States a【M5】______
number of polio cases dropped from 38,000 in the 1950s to less
than 10 a year by the 21st century.
By the middle of the 20th century scientists believed they
were well on the way to treating, preventing, or eradicating many
of the most deadly infectious diseases that plagued humankind for【M6】______
centuries. And by the 1980s the medical community’s confidence【M7】______
in its ability to control the infectious diseases had been shaken by【M8】______
the emergency of new types of disease-causing microorganisms.【M9】______
New cases of tuberculosis developed, caused by bacteria strains
that were resistant to antibiotics. New, deadly infections on which【M10】______
there was no known cure also appeared, including the viruses that
cause hemorrhagic fever and the human immunodeficiency virus
(HTV), the cause of acquired immunodeficiency syndrome. [br] 【M2】
选项
答案
with—without
解析
语篇错误。该段落主要描述了20世纪医药学的发展,属于积极的含义。所以要显示出世界上第一个杀菌剂的优势,则应该表明这是一种能杀死某些特殊细菌而又“不杀死”病人细胞的化学药品。若为with,则无法体现其先进性,故将with改为without。
转载请注明原文地址:https://tihaiku.com/zcyy/3850867.html
相关试题推荐
Attheturnofthe20thcentury,DutchphysicianChristiaanEijkmanshowed
Attheturnofthe20thcentury,DutchphysicianChristiaanEijkmanshowed
Attheturnofthe20thcentury,DutchphysicianChristiaanEijkmanshowed
Attheturnofthe20thcentury,DutchphysicianChristiaanEijkmanshowed
Youngpeoplearefacinganuncertainfuture.Asthe21stcenturydawned,the
Youngpeoplearefacinganuncertainfuture.Asthe21stcenturydawned,the
Youngpeoplearefacinganuncertainfuture.Asthe21stcenturydawned,the
Youngpeoplearefacinganuncertainfuture.Asthe21stcenturydawned,the
Youngpeoplearefacinganuncertainfuture.Asthe21stcenturydawned,the
Youngpeoplearefacinganuncertainfuture.Asthe21stcenturydawned,the
随机试题
RecentlyDr.Cleimanhasprovedthateveryonehadadailyenergycycle.
[originaltext]W:What’swrongwithyourphone,John?Itriedtocallyouallni
[originaltext]W:MayIhelpyou?M:Yes.Iwouldliketoapplyforoneofthese
根据防洪保护对象的重要性进行工程等别划分,当保护农田面积不小于500万亩时,工程
商业银行向客户直接提供资金支持,这属于商业银行的()。A.授信业务 B.受
进行开关柜暂态地电压局部放电带电检测的人员应了解被测开关柜的()和导致设备故
二阴煎用于A.癫病痰气郁结证 B.癫病心脾两虚证 C.狂病痰火扰神证 D.
互换协议可以用来对资产负债进行风险管理,也可以用来构造新的资产组合。( )
与天然大理石板材相比,装饰用天然花岗石板材的缺点是()。A.吸水率高 B.
某设备3年前的原始成本是5万元,目前的账面价值是2万元,现在的净残值为1万元,目
最新回复
(
0
)