学年高中英语Unit1Greatscientists课时作业必修5.docx
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学年高中英语Unit1Greatscientists课时作业必修5.docx
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学年高中英语Unit1Greatscientists课时作业必修5
Unit1 Greatscientists
【导语】 霍乱是霍乱弧菌(Vibriocholera)引起的急性肠道传染病,具有发病急、传播快、波及面广的特点,是当今三种国际检疫传染病中的一种。
Cholera
Choleraisawaterbornediseasethatisspreadthroughpollutedwaterandfood.ItisanillnesscausedbythebacteriumcalledVibriocholera.Itproducesanenterotoxin(肠毒素)thatcausespainless,waterydiarrhea(腹泻)thatcanquicklyleadtoseveredehydration(脱水)anddeathiftreatmentisnotgiven.Mostpeopleinfectedwithcholeradonotbecomeill,althoughthebacteriumispresentintheirwastesfor7—14days.Whencholeradoeshappen,morethan90%ofcasesarenotsevereandaredifficulttotellfromothertypesofdiarrhea.Lessthan10%ofillpeopledevelopcholerawithsignsofmoderateorseveredehydration.
Apersonmaygetcholerabydrinkingwateroreatingfoodpollutedwiththecholerabacterium.Thediseasecanspreadrapidlyinareaswithoutpropertreatmentofdrinkingwater.Thecholerabacteriummayalsoliveintheenvironmentindirtyriversandcoastalwaters.Shellfisheatenrawcanbeasourceofcholera.Therefore,thediseaseisnotlikelytospreaddirectlyfromonepersontoanother.
Choleracanbesimplyandsuccessfullytreatedbyimmediatereplacementofthefluidandsaltlostthroughdiarrhea.Patientscanbetreatedbybeinggivenamixtureofsugarandsalttobemixedwithwateranddrunkinlargeamounts.Peoplewhodevelopseverediarrheaincountrieswherecholerabreaksoutshouldseekmedicalattentionatonce.
Inaword,toavoidcholera,weshoulddevelopagoodhabit.Weshouldeatwellcookedfoodinsteadofrawfood.
【词海拾贝】
1.bacterium n.细菌
2.coastaladj.临海的;沿海的
3.fluidn.液体 adj.液体的
4.mixturen.混合;混杂
5.seekvt.寻找,探寻;追求
【问题思考】
True(T)orFalse(F):
1.Drinkingmuchwaterwithsugarandsaltisuselessinthetreatmentofcholera.(F)
2.Inordertoavoidcholera,we'dbettereatcookedshellfish.(T)
Ⅰ.为单词选择正确的释义
1.suspect A.向……挑战
2.challengeB.宣布;通告
3.concludeC.责备;谴责
4.blameD.认为;怀疑
5.announceE.结束;推断出
6.exposeF.暴露;揭露;使曝光
7.contributeG.小心的;谨慎的
8.cautiousH.捐献;贡献
答案:
1.D 2.A 3.E 4.C 5.B 6.F 7.H 8.G
Ⅱ.根据所给汉语提示写出单词
1.________n.特征;特性
2.________vt.打败;战胜;使受挫(n.)失败
3.________n.治愈;痊愈(vt.)治愈;治疗
4.________vt.吸收;吸引;使专心
5.________vt.预见;预知
答案:
1.characteristic 2.defeat 3.cure 4.absorb
5.foresee
Ⅲ.根据英语释义写出单词
1.________:
tobepresentatanevent
2.________:
tohaveanideathatsomethingisbadbutwithouthavingdefiniteproof
3.________:
tomakeaconnectionbetweentwoormorethingsorpeople
4.________:
tomakesomethingdirty
5.________:
thepartofsthusedtoopenit;todealwith;tooperateorcontrol
答案:
1.attend 2.suspect 3.link 4.pollute 5.handle
Ⅳ.选用短语的适当形式填空
putforward;link...to...;expose...to;suspect...of;apartfrom;leadto;drawaconclusion;betoblame;beabsorbedin;makesense;bestrictwith
1.Wehadnodesireto________________ourplan.
答案:
putforward
2.Wemust________thisshamefulactivity________thenewspaper.
答案:
expose to
3.Thestudentssatintheclassroomand________readingEnglish.
答案:
wereabsorbedin
4.Weconsiderthatyou________fortheaccident.
答案:
aretoblame
5.They________fromthefactatlast.
答案:
drewaconclusion
6.Peopleoften________lungcancer________smoking.
答案:
link to
7.“You'veoftenmadethesamemistakes.Iwill______youfromnowon,”theteachersaidtoTom.
答案:
bestrictwith
8.________thecost,thedressdoesn'tsuitme.
答案:
Apartfrom
9.Whathehassaiddoesn't______.Ican'tunderstandit.
答案:
makesense
10.Theuseofinformationtechnologycould__________majorprogressfordevelopingnations.
答案:
leadto
Ⅴ.领会句子所用的句型并译成汉语
1.JohnSnowwasafamousdoctorinLondon-soexpert,indeed,thatheattendedQueenVictoriaasherpersonalphysician.
_______________________________________________________
答案:
约翰·斯诺是伦敦一位著名的医生——他的确医术精湛,因而成了维多利亚女王的私人大夫。
2.Neitheritscausenoritscurewasunderstood.
_______________________________________________________
答案:
人们既不知道它的病源,也不知道它的治疗方法。
3.Somanythousandsofterrifiedpeoplediedevery_timetherewasanoutbreak.
_______________________________________________________
答案:
每次爆发霍乱时就有成千上万惊恐的人病死。
4.Awoman,whohadmovedawayfromBroadStreet,likedthewaterfromthepumpsomuchthatshehad_it_deliveredtoherhouseeveryday.
_______________________________________________________
答案:
有一位妇女是从宽街搬来的,她特别喜欢那里的水,每天都要派人从水泵打水运到家里来。
课文表层理解
Ⅰ.判断正(T)误(F)
1.JohnSnowknewthatcholerawasnotabletobecontrolleduntilitscausewasfound.
(T)
2.Thefirsttheorysuggestedthatpeopletookcholeraintotheirbodieswiththeirmeals.
(F)
3.JohnSnowwasoncefrightenedtofacethechallengeandsolvetheproblemofcholera.
(F)
4.Thepeoplewhohadbeengivenfreebeenandnotdrunkthewaterfromthepumpwerenotattackedbythedisease.
(T)
Ⅱ.根据课文内容回答问题
1.Whycouldn'tthecholerabeundercontrolatfirst?
____________________________________________
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