高二英语同步教案：Unit 1 Great scientists第1-2课时 （新5）

学必求其心得，业必贵于专精学必求其心得，业必贵于专精学必求其心得，业必贵于专精英语必修5人教版新课标Unit1第1—2课时教案Period1＆2WarmingUp，Pre-reading,Reading&ComprehendingTeachingGoals：1。TolearnaboutJohnSnow.2.Todevelopsomebasicreadingskills.3.ToarouseSs’interestinlearningaboutthespritsofscientists。TeachingProcedures:Step1.WarmingUpPurpose:ToarouseSs’interestinlearningaboutscientists。ToaskSstopreparesomethingforthegreatscientistsaheadoftimeandsharethemwithothers。PairworkAskSstotelltheirpartnerstheiranswerstothefollowingquestionandshowsometothewholeclass。Whatdoyouknowaboutgreatscientists?GroupworkSsaredividedinto3groupstodothequizandtrytofindoutwhichknowsthemost.QuizQuestionsAnswer(1）Whichscientistdiscoveredthatobjectsinwaterareliftedupbyaforcethathelpsthemfloat?（2）Whowroteabookexplaininghowanimalsandplantsdevelopedastheenvironmentchanged?（3）Whoinventedthefirststeamengine?(4)Whousedpeastoshowhowphysicalcharacteristicsarepassedformparentstotheirchildren?(5）Whodiscoveredradium?（6)Whoinventedthewayofgivingelectricitytoeverybodyinlargecities?(7）Whowasthepainterthatstudieddeadbodiestoimprovehispaintingofpeople？(8）Whoinventedalamptokeepminerssafeunderground？(9)Whoinventedtheearliestinstrumenttotellpeoplewhereearthquakeshappened?（10)Whoputforwardatheoryaboutblackholes?Suggestedanswers:(1)Archimedes（2）CharlesDarwin（3)ThomasNewcomen(4）GregorMendel（5)MarieCurie（6）ThomasEdison（7)LeonardodaVinci(8）SirHumphryDavy（9)ZhangHeng（10）StephenHawkingStep2。Pre-readingPurpose：TogetSstolearnaboutthestagesinascientificexperimentGroupwork(1)GetSsintogroupsoffouranddiscusswhatkindofexperimenttheyhaveexperiencedandthestagesofthem。Asksomegroupstoshowtheirviews。（2)AskSstoputthefollowingstagesintoproperorder.DrawaconclusionThinkofamethodCollectresultsMakeupaquestionFindaproblemAnalyzetheresultsRepeatifnecessarySuggestedAnswers：Findaproblem→Makeupaquestion→Thinkofamethod→Collectresults→Analyzeresults→Repeatifnecessary→MakeaconclusionPairworkAskSswhethertheyknowaboutinfectiousdiseasesandtelltheanswerstotheirpartners.Forexample：fluBirdfluSARSStep3.ReadingSkimmingPurpose:TogetSstohaveabriefunderstandingofthewholetext.Thepassageiswritteninorderofthestagesinanexperiment，soaskSstoscanthetextandfindthedifferentstages.Suggestedanswers:①Findaproblem：JohnSnowwasawell—knowndoctorinLondon…untilitscausewasfound.②Makeupaquestion:Hegotinterestedinthetwotheories…andsoontheaffectedpersonwasdead.③Thinkofamethod:Hebelievedinthesecondtheorybut……soseverethatmorethan500peoplehaddiedin10days。④Collectresults：Hedeterminedtofindoutwhy…Itseemedthewaterwastoblame.⑤Analyzeresults:Next,JohnSnowlookedintothesourceofthewaterforthesetwostreets…thatcholerawasspreadbygermsandnotinacloudofgas.⑥RepeatifnecessarySoonthediseasebegantoslowdown…thatpollutedwatercarriedthedisease.⑦Makeaconclusion：Topreventthisfromhappeningagain,…nottoexposepeopletopolluted.ScanningPurpose：TogetSstohavesomedetailsinthetext.（1）Readthetextquicklyandtrytogetsomedetailsfromthetext。Workinpairsandtrytoaskandanswerquestionsfromthetext.Questionscanbelikethese：Q1.WhowasJohnSnow？Q2。WhatdidJohnSnowdowhentheseriouscholerabrokeout？Q3.Whatwerethetwotheoriesthen?Q4.WhatwasJohnSnow’sattitudetowardsthetwotheories?Q5.HowdidJohnSnowfindtheevidenceforhistheory?Q6.Howdidhesolvetheproblemfinally？Suggestedanswers:A1。JohnSnowwasawell—knowndoctorinLondon-sofamous，indeed，thatheattendedQueenVictoriatoeasethebirthofherbabies.A2.JohnSnowwantedtousehisknowledgetohelpsolvethisproblem。A3.Thefirstsuggestedthatcholeramultipliedintheairwithoutreason.Acloudofdangerousgaswouldfloatarounduntilitfounditsvictims。Thesecondsuggestedthatpeopleabsorbedthisdiseaseintotheirbodieswiththeirmeals.Fromthestomachthediseaseattackedthebodyquicklyandsoontheaffectedpersonwasdead.A4.Hebelievedinthesecondtheorybutneededtoprovehewascorrect。A5.Hegatheredtheinformationandmarkedamapwhereallthedeadpeoplehadlived.Andatlasthefoundthatallthedeadpeopledrankthepollutedwaterfromtheriver。A6。Topreventthisfromhappeningagain,JohnSnowsuggestedthatthesourceofallwatersuppliesbeexaminedandmewmethodsofdealingwithpollutedwaterbefound.Andfinally“KingCholera”wasdefeated.（2）Sincewehavegottheorderofthesevenstages，getSstowritedowntheevidenceorapproachJohnSnowusedineachstage。Forexample：ParagraphStagesinanexperiment①Findaproblem②Makeupaquestion③Thinkofamethod④Collectresults⑤Analyzeresults⑥Repeatifnecessary⑦MakeaconclusionSuggestedanswers:ParagraphStagesinanexperimentExampleinthisinvestigation①FindaproblemWhatcausescholera?②MakeupaquestionWhichtheoryiscorrect？③ThinkofamethodCollectdataonthosewhowereillordiedandwheretheygottheirwater。④CollectresultsPlotinformationonamaptofindoutwherepeoplediedordidnotdie.⑤AnalyzeresultsAnalyzethewatertoseeifthatisthecauseoftheillness。⑥RepeatifnecessaryFindotherevidencetoconfirmyourconclusion。⑦MakeaconclusionThewateristoblame。Thesourceofalldrinkingwatershouldbeexaminedsothatitissafe。3.Listening。Purpose:TotrainSs’listeningability.Listentothetapeandfollowitinalowvoice.4.Languagepoints。Purpose:TotrainSs’languagecapacity.(1)attendvt&vi①出席;参加Hedecidedtoattendthemeetinghimself.②照顾；看护Whichdoctorisattendingto（on）you?③伴随Theworkwasattendedwithmuchdifficulty。（2）absorbvt。①吸收Aspongeabsorbswater。②使专心Thelittlegirlwasabsorbedinreadingatale。severeadj。①严厉的;严格的Ithinkyouaretoosevereontheboy。②剧烈的Hehasaseverepaininhisleg.announcevt①发表、告知、宣布Thegovernmentannounceditsneweconomicpolicies.②宣布HisservantannouncedMrandMrsWhite。③显示；预告