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
82
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、disappeared
B、grew
C、entered
D、returned
答案
A
解析
转载请注明原文地址:https://kaotiyun.com/show/2e2d777K
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
1.ItisbecauseofhisplaysthatShakespeareisnowconsideredthegreatestEnglishwriterinhistory.Theerainwhichheliv
Therearemanydifferentreasonswhyfashionissuchapowerfulculturalandeconomicinfluenceindevelopedsocietiesatthebe
Directions:Usingtheinformationinthetext,completeeachsentence6-10,withawordorphrasefromthelistbelow.Foreach
1.Thelargeramachineandthemorenumerousitsparts,thegreaterlikelihoodofabreakdownandthemoreexpensivetorepair.
Whatwillitmeantoknowthecompletehumangenome.EricLanderofMIT’sWhiteheadInstitutecomparesittothediscoveryofth
Formuchofthepastdecade,AmericanandBritishscientistshavebeenannoyedbythephenomenonknownastheFrenchParadox.Nu
Anewly-qualifieddentisttookoutMrDupont’stooth.hadMrDupont____________________byanewly-qualifieddentis
DriedFoodsCenturiesago,mandiscoveredthatremovingmoisture(51)foodhelpedtopreserveit,andthattheeasiestwaytod
HowtoReadBooksAnumberofrecentbookshavereworkedsubjects,formsandwritingtechniques.Today’schildrenreadstorie
HowmanybabiesarebornwithlowbirthweightinthedevelopedcountrieseveryyearaccordingtoWHO?Howmanypercentofbabi
随机试题
下列单位中由两个语素组成的复合词是()
一患者因急性左心衰竭发作入院,其通常的体位是
长期食用甲基汞可以导致
荣吉有限公司是一家商贸公司,刘壮任董事长,马姝任公司总经理。关于马姝所担任的总经理职位,下列哪一选项是正确的?(2015年卷三第26题)
()是为了解决某个特定的土地利用问题而编制的一种土地利用规划类型。
Oneoftheworld’sfirstvideogames,Tetris,hasturnedthirtyyearsold,anditsbrandisanythingbutoldschool.Butwhat’
请认真阅读下列材料,并按要求作答。动作方法:预摆:两脚左右开立,与肩同宽,两臂前后摆动,前摆时,两腿伸直,后摆时,屈膝降低重心,上体稍前倾,手尽量后摆。起跳腾空:两脚快速用力蹬地,同时两臂稍屈由后往前上方摆动,向前上方跳起腾空。在蹬离地面的瞬间,髋部
()是一切工作的生命线。
公安机关的基本任务有()。
______isregardedastheearliestEnglishliteratureofcriticism.
最新回复
(
0
)