译林版高中英语学案选择性必修第二册精品课件 Unit 4 Living with technology Section A Welcome to the unit Reading (2).ppt

Unit4Livingwithtechnology;1;01;第一步速读课文理清脉络;第二步精读课文领悟细节;3.WhydoestheauthorquoteStephenHawking’swordsinparagraph5?();第三步深读课文融会提能;OrdinarypeoplearenowusingAI6._______（get）instanttranslationsoftextinforeignlanguages,andmachinescanrecognizefingerprintsandevenfaces.7._________,thesebenefitsalsobringconcernsandfears8._____thethinkingmachineswill9.________（threat）theexistenceofhumans.Wemustmakesurethatwewillnotfallvictim10.___AI.;Ⅳ.Analyzeandtranslatethesentences.;2.Toachievethisaim,manyapproachestocreatingtrueAIhavebeenputforward,including“deeplearning”,whichenablesamachinetoimproveitsownperformancebylearningfromtheresultsofitspreviousactions.

［句式分析］本句是主从复合句。段首不定式短语Toachievethisaim作______状语，tocreatingtrueAI作__________，修饰approaches,which引导______________从句，指代前面一句话。;3.WhileAIenthusiastspromiseusabrightfuturewhereintelligentrobotswillbeworkingtoouradvantage,theseundoubtedbenefitsalsobringconcernsandfears.

［句式分析］本句是主从复合句。句首While引导__________从句，where引导__________，修饰前面的名词future。;02;重点词汇——讲练互动;①Theythreatenedtoblowupthebuilding,whichputitunderthreat.他们威胁要炸毁那座建筑物，这使它受到威胁。

②Iftheirhabitatisthreatenedortheycannotfindenoughfood,theirnumbersmaydecrease.如果它们的栖息地受到威胁，或者它们找不到足够的食物，它们的数量就会减少。

③Theyaresometimesthreatenedwithviolenceiftheydon’tdowhathewants.如果他们不按他的要求去做，他们有时会受到暴力威胁。;【即学即练】单句语法填空/完成句子;2.commitvt.犯（罪）；承诺，保证；花（钱或时间）

vi.全心全意投入，忠于

●commit...to...把……投入……

commitoneselfto（doing）sth专心致志于；承诺/保证（做）某事

committosb/sth忠于……

●committedadj.尽心尽力的

becommittedto（doing）sth承诺/全身心地投入（做）某事

●commitmentn.承诺，许诺；献身；投入；花费

makeacommitment作出承诺

TheycalledonWesternnationstocommitmoremoneytothepoorestnations.

他们呼吁西方国家向极端贫困国???投入更多的钱。;【即学即练】单句语法填空/一句多译;3.urgevt.敦促，催促；大力推荐，竭力主张；驱赶，鞭策n.冲动，强烈的欲望

●urgesbtodosth敦促某人做某事

urgethat...（should）dosth极力主张……做某事

●an/theurgetodosth做某事的强烈欲望

●inur