Unit 1 Science and Scientists Reading and Thinking 課件高中英語(yǔ)人教版選擇性必修第二冊(cè)

Toraisenewquestions,newpossibilities,toregardoldproblemsfromanewanglerequirescreativeimaginationandmarksrealadvanceinscience.—AlbertEinstein&LeopoldInfeld提出新的問(wèn)題，發(fā)現(xiàn)新的可能，從新的角度審視已存在的問(wèn)題，這些需要?jiǎng)?chuàng)造性的想象力，并標(biāo)志著科學(xué)的真正進(jìn)步。——阿爾伯特·愛(ài)因斯坦&利奧波德·英費(fèi)爾德選擇性必修二

Unit1SCIENCEANDSCIENTISTSPeriod1ReadingandThinking

JohnSnowDefeats“KingCholera”HowdidTuYouyoudiscoverartemisinin?Putthestagesofscientificresearchinthecorrectorder.StagesofScientificResearchfindaproblemdrawaconclusionanalysetheresultsaskaquestioncollectdatafindsupportingevidencethinkofamethodLeadin

Areyoufamiliarwiththesesituations?MaskupGetvaccinatedSelf-isolationPositivemeasuresaretakentofightagainstCovid-19.BesidesCOVID-19,whatotherkindsofepidemics（流行?。ヾoyouknow?Lead-inManyyearsago,aterriblediseasenamedcholeraintheworldkilledmillionsofpeople.Peoplewereveryafraidofit,buttheydidn'tknowwhattodo.Luckily,ayoungdoctordecidedtofindouthowtopreventandtreatthedisease.Finally,thedoctorwonthebattle.Whatarethesymptoms(癥狀)

ofCholera？Itbeginsinthestomachandaseverecasecanleadtodeathwithoutimmediatetreatment.dehydration(缺水)severevomiting(嘔吐)diarrhea(腹瀉)Accordingtothetitleandpictures,thestoryisgoingtotellusinformationabout...JohnSnow

Defeats

“KingCholera”Who?How?What?Thetextismainlyabout____________and_______hedefeatedkingcholera.howJohnSnowWecanpredictthat…Activity1Readforthemainideaandcheckpredictions.

Para1Para2Para4Para5JohnSnowwanttousehisknowledgetosolvecolera.Heneededtoprovethesecondtheorywascorrect.Johnbeganhisstudybymarkingonthemap&theprocess.Hefinallyfoundoutthatdirtywaterwasthecauseofcholera.JohnSnowmadegreatcontributionstomodernepidemiology.Para3WhoHowWhatHowReadfordetailedinformationinPara.1

What?It'soneof________________________intheworld,becauseitcauses________________________When?

Where?

Whatresults?

themostfeareddiseasesseverediarrhoea,dehydrationIntheearly19thcenturyEuropeMillionsofpeoplediedfromthediseaseCholeraandevendeath.Snowbecame________becausenooneknew___________________________.SnowHerosetobecome_________________,andeven_______________QueenVictoria

whenshegavebirth..However,hehadadesireto__________________onceandforall.

frustratedhowtopreventorreatcholeraafamousdoctorattendedtodestroycholeraReadfordetailedinformationinPara.21.Whatproblemdidthetwotheoriestrytosolve?Whatarethey?ReadfordetailedinformationinPara.2

Cholerawascausedby_________________.

Cholerawascausedby________________________________ToexplainhowCholeraspread.badairaninfectionfromthegermsinfoodorwater.Snowsubscribedtothe________theory.secondReadfordetailedinformationinPara.31.WhatmethoddidSnowuse?2.Whatdidhefindonthemap?Whatdidhedotodealwithit?1.WhatmethoddidSnowuse?2.Whatdidhefindonthemap?Whatdidhedotodealwithit?AmapofBroadStreetwaterpumpbeerpubManydeathshappenedhere.Nodeathshappenedhere.Snowsuspectedthatthewaterpumpwastoblame.Thehandleofthepumpwasremoved.It

was

believed

that

cholera

was

caused

by

bad

____

or

germs

in____________.ASnow____________theplaceswherethepeoplewho_______hadlived.BManydeathsoccurrednearthe_____________inBroadStreet.Somepeople_________drunkthewaterfromthepump,andlived.AwomanandherdaughterdiedinanotherpartofLondonafter____________________.Thepumpwatercarried______________The________ofthepumpwasremoved.theoriesprocessairfoodorwaterdiedinvestigatedwaterpumphadn’tdrinkingthepumpwatercholeragermshandleSolutionConclusionFindsupportingevidenceReadPara.2-3againandcompletethechartbelow.CDEconclusionevidenceprocesssolutiontheoriesWhat

caused

the

outbreak

of

cholera

in

London

in

1854?WatercompaniessoldwaterfromtheRiverThamesthatwaspollutedbyrawwaste,causingpeoplewhodrankthiswatertogetcholera.ReadfordetailedinformationinPara.4Howcanwepreventcholera?Bydrinkingpureorboiledwater.ReadfordetailedinformationinPara.51.Was

cholera

destroyed

completely?NO.2.WhywasJohnSnowconsideredthefatherofmodernepidemiology?Hehelpedpeopleknowhowtopreventcholera.Hetransformedthewayscientistsstudydiseasesinuseofmapandstatistics.WhatkindofpersondoyouthinkJohnSnowisasagreatscientist?Para.1Furtherthinkingbraveexpertdeterminedcaring,responsiblePara.2Furtherthinkingknowledgeabledetermined,curiousWhatkindofpersondoyouthinkJohnSnowisasagreatscientist?rigorous(嚴(yán)謹(jǐn)?shù)?Para.3Furtherthinkingdetail-oriented(注重細(xì)節(jié)的)rigorous(嚴(yán)謹(jǐn)?shù)?/carefulWhatkindofpersondoyouthinkJohnSnowisasagreatscientist?Para.5Furtherthinkingdevotedcreative,innovative(創(chuàng)新的)WhatkindofpersondoyouthinkJohnSnowisasagreatscientist?TestforgoalsFillintheblanks.Intheearly19thcentury,1.

aseverecholerahitEurope,JohnSnowbecame2.

(frustrate)becausenooneknewhowtopreventortreatcholera.Butheneverlosthisdesire3.___(destroy)choleraonceandforall.Snowsubscribedtothetheorythatcholera4.__