2017年高一英語人教版必修3教案：Unit4Revision：SummingUpandLearningTip+Word版含解析

教學(xué)設(shè)計Revision：SummingUpandLearningTip整體設(shè)計教材分析Thisisthelastteachingperiodofthisunit，sotheemphasisshouldbeplacedongoingoverandsummarizingwhathasbeenlearnedinthisunit.Itincludesthefollowingparts：SummingUp，LearningTip，assessmentandconsolidationexercises.SummingUpsummarizesthewholecontentsofthisunitfromtheaspectsoftopics，vocabularyandgrammar.Theteachercanfirstusethisparttoletstudentssumupwhattheyhavelearnedandthenexplainwhatstudentscouldn'tunderstandverywellinthisunit.Anexperiencedteachershoulddesignsomeadditionalexercisesforstudentstodoinorderthattheycanlearntouseandgraspallthecontents.LearningTiptellsstudentsthatastronomyisascientificsubjectmadeupofmathematicsandphysics.EncouragethemtousethescientificmethodwhenstudyingEnglish.Theycanstudycarefullyhownewwordsandstructuresareused，trytomakeasimpleruleintheirownwordstoexplainhowandwhenanewwordorstructureisused，testtheirtheorybyusingthewordsorstructuresinnewsituationsandaskpeopletotellthemiftheyareusingthemcorrectly.Thentheywillknowiftheirtheoryiscorrect.ThisisagoodwayoflearningEnglish.Somakesurethatstudentshaveatry.Inthisperiod，theteachercanalsoprovidemorepracticestoconsolidatewhatstudentshavelearnedinthisunit.Finally，askstudentstofinishCheckingYourselfonPage68intheWorkbook.Thispartaimsatencouragingstudentstomakeaself-assessmentaftertheyfinishlearningthisunit.Itisveryimportanttoimprovetheirlearning.Ofcourse，atestingassessmentisalsoneeded.教學(xué)重點1．Getstudentstoreviewandconsolidatewhattheyhavelearnedinthisunit.2．Developstudents'abilitytosolveproblems.教學(xué)難點Getstudentstoturnwhattheyhavelearnedintotheirabilities.三維目標知識目標1．Getstudentstogoovertheusefulnewwordsandexpressionsinthisunit.2．Havestudentsreviewthenewgrammaritem：nounclausesasthesubject.能力目標1．Developstudents'abilitytousetheimportantlanguagepointsinthisunit.2．Enablestudentstolearntousenounclausesasthesubjectcorrectly.情感目標1．Encouragestudentstolearnmoreaboutastronomy.2．Stimulatestudents'loveofscience.3．Strengthenstudents'senseofgroupcooperation.教學(xué)過程Step1Revision1．Checkthehomeworkexercises.2．Dictatesomeusefulnewwordsandexpressionsinthisunit.Step2Lead-inTellstudents：Uptonow，wehavefinishedUnit4Astronomy：thescienceofthestars.Haveyoulearnedandgraspedallinthisunit？TurntoPage32.YoucancheckyourselfbyfillingintheblanksinthepartSummingUp.Step3SummingUpFiveminutesforstudentstosummarizewhattheyhavelearnedinthisunitbythemselves.Thencheckandexplainsomethingwherenecessary.Suggestedanswers：Writedownwhatyouhavelearnedaboutthedevelopmentoftheearthandmakingaspacetrip.（Students'_answer_may_vary.）We_have_learned_about_science_of_the_stars，the_development_of_life_and_space_travel_and_gravity.Fromthisunityouhavealsolearnedusefulverbs：multiply，exist，puzzle，crash，pull，floatusefulnouns：astronomy，system，religion，theory，atom，billion，globe，carbon，atmosphere，acid，chain，oxygen，dioxide，puzzle，biology，biologist，gravity，satellite，physicist，climate，spaceship，float，massusefuladjectivesandadverbs：billion，violent，fundamental，harmful，gentle，thusotherexpressions:solar_system，in_time，in_one's_turn，carbon_dioxide，now_thatanewgrammaritem：noun_clauses_as_the_subjectStep4PracticeShowtheexercisesonthescreenorgiveoutexercisepapers.Firstletstudentsdotheexercises.Thentheanswersaregiven.Theteachercangivethemexplanationswherenecessary.Ⅰ．Wordspelling1．Theoldadministrations______isundergreaterandgreaterchallenge.2．Almosteverycountryhassomeformofr______.3．Onet______aboutthemoonisthatitisapiecebrokenofftheearth.4．Notafewv______sceneswerecutfromthefilmbeforeitcametoshow.5．Theearthhasana______whichallowsustobreathetheair.6．Sheisu______hermother；sheistallandhermotherisveryshort.7．Freshairisf______togoodhealth.8．Whenanimalshavemorefood，theygenerallym______faster.9．TheRomanEmpiree______forseveralcenturies.10．It'sap______whereallmymoneygoeseachweek.Ⅱ．Fillintheblankswiththeexpressionsgivenbelow.Useeachexpressiononlyonceandmakechangeswherenecessary.intimegivebirthtoinone'sturnprevent…fromcheerupnowthatbreakoutwatchout1．Over500peoplewereworkinginthebuildingwhenabigfire______onthethirdfloor.2．Afewpictures______thisroom______abit.3．Iintendedtocatchtheearlytrain，butIdidn'tgetup______.4．Whatcanwedoto______thedisease______spreading?5．______youaregrown-up，youshouldnotrelyonyourparentsanymore.6．Thestaffwereaskedto______forforgedbanknotes.7．Mary______ahealthybabylastnight，whichmakesherfamilyveryhappy.8．They，______，enteredthehallandseatedthemselvesattheback.Ⅲ．Fillintheblankswithproperconjunctives.1．______AliceshouldhavemarriedTomisnotatallsurprising.2．______causedthefireisstillamystery.3．______shecomesornotdoesn'tconcernme.4．______thebookwillselldependsontheauthor.5．______heleftsosuddenlyisnotknowntousall.Keysforreference：Ⅰ．1．system2．religion3．theory4．violent5．a(chǎn)tmosphere6．unlike7．fundamental8．multiply9．existed10．puzzleⅡ．1．brokeout2．cheered；up3．intime4．prevent；from5．Nowthat6．watchout7．gavebirthto8．intheirturnⅢ．1．That2．What3．Whether4．How5．WhyStep5LearningTipAskstudentstoturntoPage32.Readthroughthepassageandmakesuretheyunderstandit.Encouragethemtodoasthepassagetellsthemtobecauseiftheyaredoingsotheywillbeteachingthemselvesausefulwayoflearningandformagoodhabit.Step6Assessment1．CheckingYourself（onPage68intheWorkbook）Firstgetstudentstothinkaboutthesequestionsindividually.Thentheycandiscussingroupssharingtheirexperience.Theteachercanjoininandgivethemadviceandsuggestionswherenecessary.2．Fillintheform.Afterlearningthisunit，I'mabletodothefollowingthings…VerywellWellOnlywiththehelpofothersIneedtoworkharder.1．Givingabriefintroductiontothebeginningoftheearthinmyownwords.2．DescribinghowthegravitywillchangeifIleaveforthemoonforaspaceship.3．Givingabriefintroductiontothe“blackhole”theory.4．Usingthenewwordsandexpressionsofthisunitinspeakingandwriting.5．Usingtheexpressionsofgivinginstructionsinspeaking.6．Usingthenounclausesasthesubjectcorrectlyinspeakingandwriting.Step7Homework1．FinishofftheWorkbookexercises.2．ReviewandsummarizewhatyouhavelearnedinUnit4.備課資料FurtherreadingTheMysteryofWhenLifeBeganScientistsarestilltryingtounraveloneofthegreatestmysteriesofearth：Whendid“l(fā)ife”firstappearandhowdidithappen？Itisestimatedthatthefirstlifeformsontheearthwereprimitive，one-celledcreaturesthatappearedabout3billionyearsago.That'sprettymuchalltherewasforaboutthenexttwobillionyears.Thenanunprecedentedprofusionoflifeinincrediblycomplexformsbegantofilltheoceans.Somecrawledfromtheseasandtookresidenceonland，perhapstoescapepredatorsintheocean.Acascadingchain