高中英语 Unit1第1-2课时 Period1&2 Warming Up, Pre-reading, Reading& Comprehending教案 新人教版必修5VIP免费

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.1.PairworkAskSstotelltheirpartnerstheiranswerstothefollowingquestionandshowsometothewholeclass.Whatdoyouknowaboutgreatscientists?2.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:TogetSstolearnaboutthestagesinascientificexperiment1.Groupwork(1)GetSsintogroupsoffouranddiscusswhatkindofexperimenttheyhaveexperiencedandthestagesofthem.Asksomegroupstoshowtheirviews.(2)AskSstoputthefollowingstagesintoproperorder.DrawaconclusionThinkofamethodCollectresultsMakeupaquestionFindaproblemAnalyzetheresultsRepeatifnecessarySuggestedAnswers:Findaproblem→Makeupaquestion→Thinkofamethod→Collectresults→Analyzeresults→Repeatifnecessary→Makeaconclusion2.PairworkAskSswhethertheyknowaboutinfectiousdiseasesandtelltheanswerstotheirpartners.Forexample:fluBirdfluSARSStep3.Reading1.SkimmingPurpose: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.2.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.Joh...