北京市普通中高中英語 Unit 21 lesson 3教學(xué) 北師大選修7

Takeamethodandtryit.Ifitfails,admititfrankly,andtryanother.Butbyallmeans,trysomething.找到方法去嘗試。如果失敗了，坦然接受，嘗試另外一種方法。但是無論如何，要去嘗試。(FranklinD.Roosevelt)編輯ppt北師大版（新課標(biāo)）

選修7Unit21lesson3

Epidemicsthroughouthistory編輯pptUnit21HumanBiology編輯ppt

akindofdiseasewhichspreadquicklyamongmanypeopleinthesameplaceforatime.epidemic編輯ppt

Whichofthesediseasescanbeepidemic?AIDS,cancer,Birdflu,heartdisease,SARS,stomachache

epidemicakindofdiseasewhichspreadquicklyamongmanypeopleinthesameplaceforatime.編輯ppt

Epidemicsthroughouthistory編輯ppt

Whatisthewriter’spurposeofwritingthearticle?TointroducesomeexperimentsabouthowtotreattheepidemicsB.TointroduceseveralepidemicsinthehistoryandhopetoforeseeandpreventtheminthefutureTointroducethecausesofdifferentepidemicsinthehistoryD.TointroducehowthecountriesfightagainstepidemicsFastReading√編輯ppt√Whatkindofarticleisit?A.NarrativewritingB.PersuasivewritingC.ExpositorywritingD.PracticalwritingFastReading編輯pptTrytomatchtheheadingswitheachparagraphPara1Para2Para3Para4Para5Para6Para7Para8Para9Para10TheBlackDeathTheSpanishFluJustinian’PlagueIntroductionSARSSARSSummarySARSSARSSARS編輯pptIntroductionPara2Para3Para4Para5-9SummaryJustinian’PlagueTheBlackDeathTheSpanishFluSARSExpositoryessaysandwichSUMMARY編輯pptPart2:Part3:Part4TheSARSepidemicbeganin______;with_______________inGuangdongProvince;

___________werereportedinover_____countriesacross___differentcontinentsand______peopledied.1.Generally,SARS_________includeahighfever,__________,and____________.

However,astheillnessprogresses,mostpatientseventually________

pneumonia

.

2.TheSARSvirus_______mainlybyclose______________,eitherthroughtheairor________________.therewereno_______________or________totreatitanddoctorswerenotsurehowto_______iteither.Sincemostpeoplehadnonatural________againstthedisease,itwasalso_______tothedoctorsandnursestreatingSARSpatients.1.scientistshavebeendoing_____ontreatmentsto_______anyfutureoutbreaks.2.Modern________technologyand_______researchtechniquesallowhealthexpertsallovertheworldto______,_______knowledge,and______togetherwithout______tohelpputSARSbehindus.Part5Part1:編輯pptTimeTheSARSepidemicbeganin______.Causewith_______________inGuangdongProvincealungdisease2002Part1---Introduction編輯pptThenumberofthepeopleinfectedanddied___________werereportedinover___countriesacross__differentcontinentsand______peopledied.8000cases

774

30

5Part2----Thenumberofthepeopleinfectedanddied;Area編輯pptPart3Descriptionofthevirus1.Generally,SARS_________includeahighfever,__________,and____________.

However,astheillnessprogresses,mostpatientseventually________

pneumonia

.

2.TheSARSvirus_______mainlybyclose______________,eitherthroughtheairor________________.symptomsbodyachesheadachesdevelopspreadshumancontactsurface-touching編輯pptPart4Treatmenttherewereno_______________or________totreatitanddoctorswerenotsurehowto_______iteither.Sincemostpeoplehadnonatural________againstthedisease,itwasalso_______tothedoctorsandnursestreatingSARSpatients.prescriptiontabletspreventdefences

harmful

drugs編輯pptPart5Measures1.scientistshavebeendoing_____ontreatmentsto_______anyfutureoutbreaks.2.Modern________technologyand_______researchtechniquesallowhealthexpertsallovertheworldto______,_______knowledge,and______togetherwithout______tohelpputSARSbehindus.trialsprohibitcommunicationmedicalunite

shareworkpause編輯pptPart2:Part3:Part4TheSARSepidemicbeganin2002withalungdiseaseinGuangdongProvince8000caseswerereportedinover30countriesacrossfivedifferentcontinentsand774peopledied.Generally,SARSsymptomsincludeahighfever,bodyaches,andheadaches.

However,astheillnessprogresses,mostpatientseventuallydeveloppneumonia.

TheSARSvirusspreadsmainlybyclosehumancontact,eitherthroughtheairorsurface-touching.therewerenoprescriptiondrugsortabletstotreatitanddoctorswerenotsurehowtopreventiteither.Sincemostpeoplehadnonaturaldefencesagainstthedisease,itwasalsoharmfultothedoctorsandnursestreatingSARSpatients.1.scientistshavebeendoingtrialsontreatmentstoprohibitanyfutureoutbreaks.2.Moderncommunicationtechnologyandmedicalresearchtechniquesallowhealthexpertsallovertheworldtounite,shareknowledge,andworktogetherwithoutpausetohelpputSARSbehindus.Part5Part1:編輯pptPart1:IntroductionPart2:Part3:Part4Part5:SummarySARS★name★time★area★cause★treatment★measures★thenumberofthepeoplediedandinfected

★descriptionofvirus(symptom;transmission)

編輯pptPart1:time;causePart2:number;areaPart3:descriptionofvirus

Part4:treatmentPart5:measuresEbolaTreatment:There’snocureforEbola,thoughresearchersareworkingonit.

There’sno

vaccine（疫苗）

topreventEbola.

3.Treatmentincludesanexperimentalserum(血清)thatdestroysinfectedcells.Time:

February2014Area:

WestAfricaThenumberofPeopleinfectedanddied1.7373died2.Morethant20,000peopleinfectedDescriptionofthevirus:

1.hideforupto21days,2.adeathrate（死亡率）ofupto90percent.3.aflatredareacoveredwithsmallbumps（疙瘩）4.Human-to-humantransmissionofthevirusoccursthroughdirectcontactwithinfectedpeople,ortheirbodyfluids（體液）

Cause:

TheEbolavirusfirstappearedduringtwo1976outbreaksinAfrica.Scientistsbelievefruitbats（狐蝠）arethecauseofinfectionMeasure:TheWorldHealthOrganisationappealed（呼吁）alltheothercountiestogivenecessarymedicalaidstoWestAfricangovernment.2.TheChinesemedicalteamarrivedinAfricainSeptember,2014toprovidemedicalcaretolocalpatientsandfightthevirustogether.SARSName:

Ebola編輯pptPart2:Part3:Part4Part5Part1:Time:

February2014ThenumberofPeopleinfectedanddied1.7373died2.Morethan20,000peopleinfectedArea:

WestAfricaCause:

TheEbolavirusfirstappearedduringtwo1976outbreaksinAfrica.Scientistsbelievefruitbats（狐蝠）arethecauseofinfectionDescriptionofthevirus:

1.hideforupto21days,2.adeathrate（死亡率）ofupto90percent.3.aflatredareacoveredwithsmallbumps（疙瘩）4.Human-to-humantransmissionofthevirusoccursthroughdirectcontactwithinfectedpeople,ortheirbodyfluids（體液）

Treatment:There’snocureforEbola,thoughresearchersareworkingonit.

There’sno

vaccine（疫苗）

topreventEbola.

3.Treatmentincludesanexperimentalserum(血清)thatdestroysinfectedcells.Measures:TheWorldHealthOrganisationappealed（呼吁）alltheothercountiestogivenecessarymedicalaidstoWestAfricangovernment.2.TheChinesemedicalteamarrivedinAfricainSeptember,2014toprovidemedicalcaretolocalpatientsandfightthevirustogether.Ebola編輯pptTrytodesignapostertointroduceEbola.Homework編輯ppt編輯ppt編輯ppt9、靜夜四無鄰，荒居舊業(yè)貧。。2022/12/122022/12/12Monday,December12,202210、雨中黃葉樹，燈下白頭人。。2022/12/122022/12/122022/12/1212/12/20228:58:51PM11、以我獨(dú)沈久，愧君相見頻。。2022/12/122022/12/122022/12/12Dec-2212-Dec-2212、故人江海別，幾度隔山川。。2022/12/122022/12/122022/12/12Monday,December12,202213、乍見翻疑夢，相悲各問年。。2022/12/122022/12/122022/12/122022/12/1212/12/202214、他鄉(xiāng)生白發(fā)，舊國見青山。。12十二月20222022/12/122022/12/122022/12/1215、比不了得就不比，得不到的就不要。。。十二月222022/12/122022/12/122022/12/1212/12/202216、行動(dòng)出成果，工作出財(cái)富。。2022/12/122022/12/1212December202217、做前，能夠環(huán)視四周；做時(shí)，你只能或者最好沿著以腳為起點(diǎn)的射線向前。。2022/12/122022/12/122022/12/122022/12/129、沒有失敗，只有暫時(shí)停止成功！。2022/12/122022/12/12Monday,December12,202210、很多事情努力了未必有結(jié)果，但是不努力卻什么改變也沒有。。2022/12/122022/12/122022/12/1212/12/20228:58:51PM11、成功就是日復(fù)一日那一點(diǎn)點(diǎn)小小努力的積累。。2022/12/122022/12/122022/12/12Dec-2212-Dec-2212、世間成事，不求其絕對圓滿，留一份不足，可得無限完美。。2022/12/122022/12/122022/12/12Monday,December12,202213、不知香積寺，數(shù)里入云峰。。2022/12/122022/12/122022/12/122022/12/1212/12/202214、意志堅(jiān)強(qiáng)的人能把世界放在手中像泥塊一樣任意揉捏。12十二月20222022/12/122022/12/122022/12/1215、楚塞三湘接，荊門九派通。。。十二月222022/12/122022/12/122022/12/1212/12/202