21世纪大学实用英语综合教程2-Unit8-课件

UNIT8Unit8Ⅰ.ObjectivesⅡ.SuggestedTeachingPlanⅢ.BackgroundInformationⅣ.ClassPresentationPreviewUNIT8PreviewThisisthelastunitofBookTwo.IntheListeningandSpeakingsection,youwilllearnhowtoaskforandgivereasons.IntheReadingandWritingsection,youwillreadthreepassagesaboutscienceandtechnology.TextAwaswrittenattheturnofthe21stcenturyandthewriterpredictedthetopfivescientificdevelopmentsofthecomingcentury.TextBconcernsissuesofsafetythatmustbeguaranteedwhenthefrontierofscienceandtechnologyisbeingpushedback.PracticalReadingisaformthatpeopleneedtofilloutuponarrivalintheU.S.prev.BACKBACKUNIT8Ⅰ.ObjectivesAfterstudyingthisunit,thestudentsareexpectedtobeabletoObj.BACKBACKmasterthebasiclanguageandskillsnecessarytoaskforandgivereasons;1.understandthemainideasofTextsAandB,andmastertheusefulsentencestructuresandwordsandexpressionsfoundintheexercisesrelevanttothefirsttwotexts;2.3.knowhowtouseV-ingphrases,V-edphrasesandToVphrasesasadverbials;4.knowhowtowriteanemail;6.understandparagraphdevelopment(5).5.readaformthatpeopleneedtofilloutuponarrivalintheU.S.UNIT8Ⅱ.SuggestedTeachingPlanSuggestedTimeandTeachingPlanforUnit8TimeContentsPlan1)TheLanguageforAskingForandGivingReasonsGiveabrieflead-intalkonthenatureandusesofaskingforandgivingreasons;A.s.t.p.1TheteacherbeginswiththePreviewtomakesurethatthestudentshaveageneralideaofwhatthisunitisallabout.Afterthat,theteacheractivateslisteningandSpeakingexercisesasfollows:2periodsPreviewListeningandSpeakingB.PresentthenecessarylanguagebydoingExercise1;NEXTNEXTBACKBACKUNIT8C.Askonestudenttoreadaloudthetalksostudentscanchecktheircompletedanswers;D.OrganizeanactivityforEx.2thatwillreinforcetheusefullanguagestudentspickedupinEx.1.TimeContentsPlans.t.p.1.22)ThePracticeofAskingForandGivingReasonsGothroughthenewwordsinthefirstconversationinEx.3;A.B.Havethestudentslistentotheconversationtwiceandfillintheblankswiththemissingwords;C.Askthemtoanswerthequestionsabouttheconversation;PREV.PREV.NEXTNEXTUNIT8D.Tellthemtolookforthelanguageusedtoaskingforandgivingreasons;TimeContentsPlans.t.p.2Askthestudentstorole-playtheconversation;Havethemlistentothesecondconversationtwiceandcompletetheshortpassageaccordingly;F.E.Suggesttheydiscusseachoftheircompletedanswersinordertogainabetterunderstandingoftheconversation;G.Now,havethemlistentotheconversationagainandcompletetheformasthespeakerrecountsit;H.Afterwards,havethemchecktheirresponsesbyactingouttheconversation;I.PREV.PREV.NEXTNEXTUNIT8PREV.PREV.NEXTNEXTTimeContentsPlans.t.p.33)ListeningPracticeBeforeending,theteachertellsthestudentstodoEx.5-10astheirassignmenttoreviewthefunctionalandnotionallanguagepickedupintheListeningandSpeakingsection.TheteacheralsotellsthemthattheyshouldbepreparedtoanswerthequestionsinExercise9andgiveanoralpresentationinclasswhentheynextmeet.OrganizeauniqueclassroomactivityforEx.4thatwillreinforcetheusefullanguagestudentspickedupearlierintheunit.J.UNIT8PREV.PREV.NEXTNEXT3periodsReviewofthelisteningandspeakingskillsthestudentshavelearnedTheteacherbeginswithareviewofthefunctionalandnotionallanguagethestudentspickedupinthepreviousclasses.TheteacherasksseveralstudentstoanswerthequestionsinEx.9oftheListeningandSpeakingsection,andinvitesafewtosharewiththeirclassmatestheiropinionsonthetopic“Itismoreimportanttoraisequestionsthantoanswerthem.”Then,theteacherturnstotheReadingandWritingsection.(Theseactivitiesshouldbecompletedin15minutes.)s.t.p.4TimeContentsPlanUNIT81)StarterAfterabriefexplanationoftheinstructions,theteacherA.givesthestudentsafewminutestothinkaboutthequestionsinthestarter;s.t.p.5TimeContentsPlanB.askssomestudentstoanswerthequestions.2)TextAA.Theteacherletsthestudentsanswerthetext-relatedquestions,helpsthemidentifythemainideaofeachparagraph,andanalyzessomedifficultsentencesandsomelanguageTextA&text-relatedexercisesPREV.PREV.NEXTNEXTUNIT8PREV.PREV.NEXTNEXTB.guidesthestudentsthroughtheexercises,focusingoncertainitemsorleavingsomeexercisesasthestudentshomeworkaccordingtothestudentsdifferentlevelsofEnglish(oneperiod).s.t.p.81periodGrammarReview1)GrammarReviewTheteachertalksabouttheuseofV-ingphrases,V-edphrasesandToV-phrasesasadverbials,andatthesametimeasksthestudentstodothegrammarexercisesinclass.TimeContentsPlanpointswhilediscussingthewholetextwiththestudents(oneandahalfperiods);UNIT8PREV.PREV.NEXTNEXTs.t.p.9PracticalWriting2)PracticalWritingTheteacherexplainstothestudentshowtowriteanemailbydoingEx.12ofPracticalWriting,andthenrequiresthestudentstodoEx.13andEx.14afterclass.TimeContentsPlanUNIT8s.t.p.102periodsTextB,&Text-relatedexercises1)TextBWhilediscussingthetextwiththestudents,theteachercallsonthemtopayattentiontothestructureoftheparagraphsofthetext,introducingbrieflytheconceptofthetopicsentence.Ex.16andEx.17canbedoneeitherinorafterclass.2)PracticalReadingThispartshouldeitherbereadbythestudentsthemselvesastheirhomeworkordoneinclass.TimeContentsPlanPREV.PREV.NEXTNEXTPracticalReadingUNIT8PREV.PREV.s.t.p.11BasicReadingSkills3)BasicReadingSkillsTheteacherexplainstothestudentsparagraphdevelopment(5),andasksthemtodotheexercisesinBasicReadingSkills