Unit1ScienceandScientistsReadingandThinking课件高中英语人教版选择性2

Unit1ScienceandScientistsReadingandThinking

JohnSnowDefeats“KingCholera”LeadinTuYouyouArtemisininmalariaLet’swatchJohnSnowDefeated“KingCholera”Who?How?Where?What?Why?When?PredictionLet’sgetmoredetailsReadthetextquickly;matchthemainideas.Para1:Para2:Para3:Para4:Para5:JohnSnowdecidedtoprovethesecondtheory.JohnSnowdesiredtodestroycholera.JohnSnow’scontributions.JohnSnowbeganhisstudybymarkingonthemap.Truthoftheinfectionofcholera.Fast-readingReadforthestructureReadthepassagequicklyandchoosethecorrectkeywordsforeachpart.

ParagraphsMainidea12-345What?Who?How?ThetruthsignificanceandcontributionsWhat?Who?Where?When?Whatconsequence?findaproblemWhatcausedCholera?Careful-readingCareful-readingTwotheories?askaquestionWhichtheoryisright?Soheneededtothinkofamethodtoprovehisopinion.Careful-readingAmapofBroadStreet-“CholeraMap”WhatmethoddidSnowuse?1.Whichhouseshadmorethan4deathsandwhichhadnodeathinBroadStreet?2.WhatdidSnowconclude?Multipledeathshappenedhere.Nodeathhappenedhere.Hesuspectedthatthewaterfromthepumpwastoblame.analyzetheresultsthinkofamethodcollectdataCareful-readingFindingEvidencePlace:Who:Event:InanotherpartofLondonAwomanandherdaughterdiedofcholerabecauseofdrinkingthewaterdeliveredfromthepumpThepumpwatercarriedcholeragermsremovethehandleofthepumpThediseasewasstoppedDrawaconclusionCareful-readingdrawaconclusionthinkofamethodcollectdataaskaquestionfindaproblemanalyzetheresultsFindsupportingevidence

7stagesinrightorderCareful-readingReadPara2and3againtocompletethechart.Itwasbelievedthatcholerawascausedby_______orgermsin__________.Thepumpwatercarried___________.Manydeathsoccurrednearthe______________inBroadStreet.Somepeoplewholivednearthepumpworkedinthepuband_________drunkthewaterfromthepump,andlived.Awomanandherdaughterhaddiedafter______________________________,becauseshehadthewater____________________everyday.Snowhadthehandleofthepump_________.ABCDEairfoodorwaterwaterpumphadnotmovingawayfromBroadStreetdeliveredtoherhousecholeragermsremovedSnowbeganby_________________theplaceswherepeople_____________.markingonthemapdiedhadlivedSupportingevidenceCareful-readingReadPara2and3againtocompletethechart.Itwasbelievedthatcholerawascausedby_______orgermsin__________.Thepumpwatercarried___________.Manydeathsoccurrednearthe______________inBroadStreet.Somepeoplewholivednearthepumpworkedinthepuband_________drunkthewaterfromthepump,andlived.Awomanandherdaughterhaddiedafter______________________________,becauseshehadthewater____________________everyday.Snowhadthehandleofthepump_________.ABCDEbadairfoodorwaterwaterpumphadnotmovingawayfromBroadStreetdeliveredtoherhousecholeragermsremovedSnowbeganby_________________theplaceswherepeople_____________.markingonthemapdiedhadlivedtheoriesSupportingevidenceevidenceprocesssolutionconclusionCareful-readingAccordingtothePara4andPara5tofillintheblanksbelow.Snow’scontribution:Fortunately,wenowknowhowto

cholera,

theworkofJohnSnow.

,inhisuseofmapsandstatistics,Snow

thewayscientistsstudydiseases.Snow’sachievement:Snowisconsidered

.preventthankstoMoreovertransformedthefatherofmodernepidemiologyCareful-readingJohnSnowwasawell-known________inLondoninthe___century.Hewantedtofindthe______ofcholerainordertohelppeople__________it.In1854whenacholer____London,hebegantogatherinformation.He_______onamap______allthedeadpeoplehadlivedandhefoundthatmanypeoplewhohad_______(drink)thedirtywaterfromthe______died.Sohedecidedthatthepollutedwater_______cholera.Hesuggestedthatthe_____ofallwatersuppliesshouldbe_______andnewmethodsofdealingwith_______waterbefound.Finally,“KingCholera”was_______.Fillintheblanksbasedonthetext.doctor19thcausehitmarkedpumpsourceexaminedpolluteddefeatedinfectedwithwheredrunkcarriedPost-reading课文语言点

JohnSnowDefeats“KingCholera”重点Para.1重点单词和短语

1.outbreakn．爆发；突然发生

breakout（战争、疾病）爆发2.

hit-hit-hit

vt.攻击；进攻；袭击

3.risev．变得更加成功(或重要、强大等)4.frustratedadj.懊恼的；沮丧的；失意的n．frustration

又失望又沮丧，他拖着沉重的步伐回家了。

5.

intime

经过一段时间之后；迟早；最后6.attendto

照料7.

givebirth

生(孩子)；分娩8.loseone’sdesiretodosth失去做某事的愿望9.onceandforall

最终地；彻底地

Disappointedandfrustrated,hedraggedhisfeethome.Oureffortswillpayoffintime.completely/entirely/totally/thoroughlya

bighit走红

Para.2重点单词和短语1.ingeneral

通常；一般而言

=generallyspeaking2.two

contradictory

theories

两个相互矛盾的理论3.subscribeto

同意；赞同;订阅；捐款

4.proofn．证据；证明

proofs

(复数)v.prove

5.consequently

adv.

因此；所以6.investigate

vi.&vt.

调查；研究

n.investigation7.bedeterminedtodosth

决心做某事MymainreasonforsubscribingtoNewScientististokeeppacewithadvancesinscience.Para.3重点单词和短语1.multiple

adj.数量多的；多种多样的

multiplyv.(使)繁殖；成倍增加；乘2.suspectvt.&vi.怀疑；不信任

n．犯罪嫌疑人；可疑对象

suspect...of...怀疑……

suspicion

n.怀疑3.

blamevt.

把……归咎于；责怪；指责n．责备；指责

betoblamefor...应对……负责任;该(为……)受责备4

blamesth.onsb

把某事归咎于某人4.asaresultof

由于……(后跟原因)

asaresult

结果，因此(后跟结果)5.handlen．把手；拉手；柄vt.处理；搬动；操纵(车辆、动物、工具等)Don'talwaysblameyourownfailure________others.Sometimesyouyourselfare______________(blame).ontoblame拓：处理=solvetackledowithdealwithcopewithaddress

Para.4重点单词和短语1.infectvt.

使感染；传染

infectious

adj.

传染的2.linkn．联系；纽带vt.把……连接起来；相关联

belinkedto

与……连接；与……有关联，与……有联系

alinkbetween...and...

……与……之间的联系3.raw

adj.未煮的；生的；未经处理的；原始的

rawmaterial

原材料rawwaster未经处理的废弃物Para.5重点单词和短语1.substantial

adj.大量的；价值巨大的；重大的2.decrease

n．减少；降低；减少量

vt.&vi.(使大小、数量等)减少；减小；降低

onthedecrease

在减少；在降低

decreaseto

减少到decreaseby

减少了3.transformvt.使改观；使改变形态vi.改变；转变

transform...into...

把……转变成……①Thenumberofnewstudentsdecreasedfrom210______160thisyear.②Populationgrowthisdecreasing______1.4%eachyear.tobyk调查与研究Investigate:调查Map:绘制地图Mark:标注Evidence:证据Suspect:怀疑Link:联系Proof:证据Theory:理论1.疾病与医学cholera

霍乱disease

疾病diarrhoea

腹泻dehydration

脱水death

死亡germs

病菌infection

感染prevent

预防treat

治疗publichealth

公共卫生2，

调查与研究

investigate

调查

map

绘制地图

mark

标注

evidence

证据

suspect

怀疑

link

联系

proof

证据

theory

理论词汇分类学习3.水源与污染

waterpump

水泵waste废物polluted被污染的RiverThames

泰晤士河

purewater

纯净水

boiledwater

煮沸的水4.行动与影响

remove移除intervention干预stop阻止overcome克服positiveoutcomes积极结果contribution贡献1.Cholerausedtobe

oneofthemostfeareddiseasesintheworld，untilaBritishdoctor，JohnSnow，showed

howitcouldbeovercome.重点句子（Para1)过去常常做某事最令人恐惧的疾病之一until引导的时间状语从句，其中又包含how引导的宾语从句。直到英国医生约翰·斯诺证明了霍乱能够被战胜之前，它一直是世界上最可怕的疾病之一。2.Asayoungdoctor,JohnSnowbecamefrustrated

becausenooneknewhowtopreventortreatcholera.由于当时无人知道如何预防或治疗霍乱，年轻的约翰・斯诺医生很沮丧。because引导的原因状语从句疑问词＋不定式”结构作动词knew的宾语特殊疑问词+不定式结构，相当于名词性从句，在句中作主语、宾语、表语等。Whentostarthas

notbeendecidedyet.

何时开始还没有被决定。Hediscoveredthatintwoparticularstreetsthecholeraoutbreakwassoseverethatmorethan500peoplediedintendays.重点句子（Para2)Hediscoveredthatintwoparticularstreetsthecholeraoutbreakwassoseverethatmorethan500peoplediedintendays.他发现霍乱疫情在两条街道上尤为严重，十天内就有500多人死亡。so...that...”表示“如此……以至于……”，that引导结果状语从句。so+adj.+a(n)+可数名词单数+that...=such+a(n)+adj.+可数名词单数+that...Sheissolovelyagirlthateveryonelikesher.=Sheissuchalovelygirl

thateveryonelikesher.so/such...放句首时，句子部分倒装。Solovelyagirlisshethateveryonelikesher.=Suchalovelygirlisshethateveryonelikesher.

Soexcitedwasshe

thatshecouldn'tsleeptheentirenightbeforeherfirstflight.

(读后续写之心理描写)第一次飞行前，她非常兴奋，以至于一整晚都没睡。单句写作(so...that...倒装句用于续写）

Soquicklydidshereact

thatshemanagedtocatchthefallingvasejustintime.

(读后续写之动作描写)她反应十分迅速，及时抓住了正在掉落的花瓶。她是如此的懊恼以至于她把脸埋在手里，哭了。Sofrustratedwasshethatsheburiedherfaceintoherhands,weeping.重点句子（Para3)Itseemedthat

thewomanlikedthewaterfromthepump

so

much

that

she

haditdelivered

toherhouseeveryday.Accordingly，hehad

thehandleofthepumpremoved

sothatitcouldnotbeused该妇女似乎非常喜欢从水泵抽上来的水，每天都让人从那里打水运到家里来。于是，他让人拆掉了水泵的把手，这样水泵就用不成了。“看来好像……”，that引导表语从句havesthdone结构，表示“使某事被做”havesthdone结构，表示“使某事被做”sothat引导的目的状语从句单句语法填空。单句语法填空。①Itissohot.Ihadmyhair_______(cut)yesterday.②Ican'thaveyou______________(speak)toyourmotherintherudemanner.Youmustapologisetoherimmediately.③Hewassohumorousthathisfunnystorieshadus_____________(laugh)alltheway.④Unfortunately,hehadhisrightleg_____________(injure)duringthe①Itissohot.Ihadmyhair_______(cut)yesterday.②I