新人教版高一英语必修二Unit 3 Learning about language.ppt

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1、Unit3computersLearningaboutlanguage1.Tolearnsomeusefulwordsandexpressions2.Tolearnthepresentperfectpassivevoice.3.Tomasterthestructure.Learningaims1.Fillthewordorexpressionforeachofthefollowingmeaningsfromthetext.1_________completechangeinwaysofthinking,working,etc2________connectedcomputersystem3_

2、________tomakethingseasier4_________tofindtheanswerusingnumbersrevolutionnetworksimplifyLearningaboutLaguagecalculate5_______canbemovedeasilyfromplacetoplace6_______toworkouttheanswertoaproblem7_______totravelaroundanareatofindoutaboutit8_______completely9________anyway10_______activityofmanagingmo

3、neymobilesolveexploretotallyanyhowfinance2.Completethepassagewiththewordsbelow.artificialtechnologyintelligentapplicationsexploreWebrealitylogicallyWhenmybrotherwasinhighschool,hewasveryinterestedincomputersandenjoyedwritingprogramsofhisown.HeusedtodownloadinformationfromtheInternetandmadegooduseof

4、it.Helikedto________theWorldWide_______andusedtheInternettocommunicatewithcomputerprogrammersallovertheworld.WhenhewenttouniversityhestudiedIT(information___________)anddevelopedaspecialin________exploreWebtechnologyartificialintelligence.Afterdevelopingspecial____________ofthecomputer,hehopestodes

5、ignan__________robotwhichcanthink________andlooklikehumanbeing,butin________hewasalongwaytogo.logicallyapplicationsintelligentrealityThePresentPerfectPassiveVoiceGrammar现在完成时的被动语态表示动作发生在过去,到现在已经完成或对现在仍有影响。现在完成时的被动语态Thestructureofthepresentperfectpassivevoiceis:have/has＋been＋~ed主动语态即主语为动作的执行者；被动语态即主

6、语为动作的承受者。现在完成时的被动语态同它的主动语态一样，强调过去的动作对现在造成的影响或结果，但主语为动作的承受者，表示“……已经被……”。Thenewschoolhasbeensetup.新学校已经建成了。2.现在完成时被动语态的肯定式为：have/has+been+doneTheexperimenthasbeendonesuccessfully.这个实验做得很成功。现在完成时被动语态的否定式为：have/has+not+been+doneTom’snovelhasnotbeenpublished.汤姆的小说还没有被出版。现在完成时被动语态的一般疑问句需将have/has提到主语的前面。

7、Hashisbikebeenrepaired?他的自行车修好了吗？现在完成时被动语态的特殊疑问句为：疑问词+have/has+been+doneWhohasbeeninvited?谁受到了邀请？现在完成时的被动语态表达以下两个概念：1.说话时已经完成的动作或出现的结果。2.主语是行为动作的承受者。现在完成时的被动语态由have/hasbeen＋v-ed构成，其中v-ed为过去分词，表示被动。Ihavebeen