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
2023-11-26
40
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] 【M8】
选项
答案
the一去掉the
解析
语法错误。此处考查的是冠词的用法。the是定冠词,表示特指,而此处表示“传染性疾病”,并没有特指哪种或哪几种传染性疾病,且diseases是复数,前面也不能用表示单数的不定冠词an,所以此处要将the删掉。
转载请注明原文地址:http://tihaiku.com/zcyy/3222087.html
相关试题推荐
Attheturnofthe20thcentury,DutchphysicianChristiaanEijkmanshowed
Attheturnofthe20thcentury,DutchphysicianChristiaanEijkmanshowed
Attheturnofthe20thcentury,DutchphysicianChristiaanEijkmanshowed
Attheturnofthe20thcentury,DutchphysicianChristiaanEijkmanshowed
Attheturnofthe20thcentury,DutchphysicianChristiaanEijkmanshowed
Acommonusewithgoldinthenineteenthcenturywasasastandardforthevalue
Youngpeoplearefacinganuncertainfuture.Asthe21stcenturydawned,the
Youngpeoplearefacinganuncertainfuture.Asthe21stcenturydawned,the
Youngpeoplearefacinganuncertainfuture.Asthe21stcenturydawned,the
Youngpeoplearefacinganuncertainfuture.Asthe21stcenturydawned,the
随机试题
阅读下面的对话,根据其内容写一篇有关背包客backpackers的说明文。要求:1.所写短文应与对话相关内容意义相符,涵盖其要点。2.用你自己的语言来表达
OnNewYear’sEve,therewillbeafirework_____atPeople’sSquare.A、displayB
Onwhatdatedidthehousecatchfire?Thehousecaughtfireon______,1982.[
IntelligentTransportSystemToday,therea
[originaltext]Moderator:Hello,ladiesandgentlemen.Itgivesmegreat
案例描述:西北地区某学生食堂在给学生提供的套餐中有二米粥、烧牛肉、玉米面窝头、蔬
某患者因脑震荡急诊入院,呈睡眠状态,可以唤醒但随后入睡,唤醒后患者能简单而缓慢地
国务院期货监督管理机构派出机构履行监督管理职责的依据是()。A.国务院期货监督
一住店客人未付房钱即想离开旅馆去车站。旅馆服务员揪住他不让走,并打报警电话。客人
乙公司、丙公司和丁公司均为甲公司的子公司。甲公司及其相关子公司经各自董事会批准,
最新回复
(
0
)