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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現(xiàn)在完成時(shí)的被動語態(tài)表示動作發(fā)生在過去,到現(xiàn)在已經(jīng)完成或?qū)ΜF(xiàn)在仍有影響。現(xiàn)在完成時(shí)的被動語態(tài)Thestructureofthepresentperfectpassivevoiceis:have/has＋been＋~ed主動語態(tài)即主語為動作的執(zhí)行者；被動語態(tài)即主
6、語為動作的承受者?，F(xiàn)在完成時(shí)的被動語態(tài)同它的主動語態(tài)一樣，強(qiáng)調(diào)過去的動作對現(xiàn)在造成的影響或結(jié)果，但主語為動作的承受者，表示“……已經(jīng)被……”。Thenewschoolhasbeensetup.新學(xué)校已經(jīng)建成了。2.現(xiàn)在完成時(shí)被動語態(tài)的肯定式為：have/has+been+doneTheexperimenthasbeendonesuccessfully.這個(gè)實(shí)驗(yàn)做得很成功。現(xiàn)在完成時(shí)被動語態(tài)的否定式為：have/has+not+been+doneTom’snovelhasnotbeenpublished.湯姆的小說還沒有被出版?，F(xiàn)在完成時(shí)被動語態(tài)的一般疑問句需將have/has提到主語的前面。
7、Hashisbikebeenrepaired?他的自行車修好了嗎？現(xiàn)在完成時(shí)被動語態(tài)的特殊疑問句為：疑問詞+have/has+been+doneWhohasbeeninvited?誰受到了邀請？現(xiàn)在完成時(shí)的被動語態(tài)表達(dá)以下兩個(gè)概念：1.說話時(shí)已經(jīng)完成的動作或出現(xiàn)的結(jié)果。2.主語是行為動作的承受者?，F(xiàn)在完成時(shí)的被動語態(tài)由have/hasbeen＋v-ed構(gòu)成，其中v-ed為過去分詞，表示被動。Ihavebeen
