首页
外语
计算机
考研
公务员
职业资格
财经
工程
司法
医学
专升本
自考
实用职业技能
登录
外语
The Discovery of Penicillin (青霉素) In the autumn of 1928, a Scottish scientist Alexander Fleming was searching for a substance
The Discovery of Penicillin (青霉素) In the autumn of 1928, a Scottish scientist Alexander Fleming was searching for a substance
admin
2009-06-15
55
问题
The Discovery of Penicillin (青霉素)
In the autumn of 1928, a Scottish scientist Alexander Fleming was searching for a substance that would kill fatal germs(细菌). On his desk were small plates containing the germs.(51)evening, he forgot to cover one of the plates. When he arrived the next morning, he found a spot of green mould(霉菌)in one plate. This is not strange because the room was rather damp(潮湿) ,with(52)one window. But Fleming did not throw out the spoiled plate, be cause something unusual caught(53)attention.
On the uncovered plate, near the green mould, the germs(54) . That meant that the mould had killed the germs there. Fleming watched the mould grow(55)several days. As the green mould spread, it killed more and(56)germs.
Fleming began to study the mysterious mould. It grew and grew. Then he noticed tiny drops of liquid on the surface of the mould. Perhaps this was the chemical that was destroying the germs.
Fleming drew off the liquid, drop by drop. He put this liquid in a test tube, and it(57)the germs in the tube. He called the(58)penicillin.
Fleming published his finding in a British medical journal(59)1929. But for ten years, while he continued to experiment with penicillin, his discovery was largely ignored near the medical world.
Then in 1938 a team of British scientists happened to(60)about Fleming’s findings in an old medical journal. They made further(61)with the drug. They tested it on animals and then(62)human beings. In 1941, it was declared safe for use on humans. Soon penicillin was produced in large quantity and was used to(63)many infections(感染).
Penicillin is a very powerful drug.(64)can treat many kinds of infections. However, it has some bad effects. Sometimes it causes a skin problem or a light fever. And it can be fatal for people(65)are allergic(过敏性的)to it. That is why before you take a penicillin shot, the doctor gives you a test shot first.
选项
A、experiments
B、failures
C、effects
D、causes
答案
A
解析
转载请注明原文地址:https://kaotiyun.com/show/Ee2d777K
本试题收录于:
职称英语卫生类基础题库职称英语分类
0
职称英语卫生类基础
职称英语
相关试题推荐
Whatwillitmeantoknowthecompletehumangenome.EricLanderofMIT’sWhiteheadInstitutecomparesittothediscoveryofth
Whatwillitmeantoknowthecompletehumangenome.EricLanderofMIT’sWhiteheadInstitutecomparesittothediscoveryofth
Formuchofthepastdecade,AmericanandBritishscientistshavebeenannoyedbythephenomenonknownastheFrenchParadox.Nu
Formuchofthepastdecade,AmericanandBritishscientistshavebeenannoyedbythephenomenonknownastheFrenchParadox.Nu
StressCanMakeYouSickScientistsarenowstudyinganewfieldofresearchwhichiscalledpsychoimmunology(心理免疫学).Itisb
StressCanMakeYouSickScientistsarenowstudyinganewfieldofresearchwhichiscalledpsychoimmunology(心理免疫学).Itisb
StressCanMakeYouSickScientistsarenowstudyinganewfieldofresearchwhichiscalledpsychoimmunology(心理免疫学).Itisb
StressCanMakeYouSickScientistsarenowstudyinganewfieldofresearchwhichiscalledpsychoimmunology(心理免疫学).Itisb
随机试题
四气的确定是()
导管室空气中的细菌菌落总数应
A、小檗碱B、麻黄碱C、莨菪碱D、吗啡E、乌头碱具有解痉镇痛、散瞳功效的是
A.卫生行政部门B.工商行政管理部门C.药品检验部门D.药品监督管理部门E.纪检督察部门药品的生产企业、经营企业、医疗机构和有关人员在药品购销中出现收受回扣及其他利益等违法行为没收违法所得,并处以罚款的部门
王某,女,26岁,停经58天,伴恶心、呕吐1个月。确诊为早孕。因计划外妊娠行吸宫术终止妊娠,手术过程中突然出现大汗,面色苍白、头晕,测BP90/60mmHg,HR50次/分。该病人最可能发生了
房地产转让时,土地使用权出让合同载明的权利、义务随之转移。()。
【背景资料】某施工单位承接了5km、10KV架空线路的架设和一台变压器的安装工作。根据线路设计,途经一个行政村,跨越一条国道,路经一个110KV变电站。线路设备由建设单位购买,但具体实施由施工单位负责。该线路施工全过程的监控由建设单位指定的监理单
中银理财的风险点目前主要来自于( )。
下列选项中,属于违反著作权法的民事责任的包括()。
曲线y=xex与直线y=ex所围成图形的面积是______________.
最新回复
(
0
)