仁爱版英语九年级上Unit4Topic2复习学案Unit4Topic2Whenwasitdeveloped?一．复习目标：1．掌握一般过去时被动语态的构成及用法。2．正确看待人类文明的成果，认识电脑，机器人人以及克隆技术的优点与负面影响；3．能够阅读有关机器人和克隆技术等方面的科学文章。二．知识归纳：（一）重点词组：1．allowsb.todosth.2.beallowedtodosth.3.spendtime(in)doingsth.4.bemadeof|from5.bemadein|into6.bemadeby7.beusedfordoingsth.|todosth.8.cometrue9.someday|oneday10.besimilarto11.thesameas12.knowforcertain13.besurprisedatsth.|todosth.14.warnsb.(not)todosth.15.treat…as…16.makeacontributiontosth.|doingsth.17.sofar18.aslongas19.inshort20.baseon21.divide…into…22.loseone’sway（二）重点句型：1．I’mnotallowedtoplaycomputergames.我不被允许玩电脑游戏。2.__What’situsedfor?__It’susedforlaunchingsatellitesirspaceships.3.What’sitmadeof?It’smadeofwood.4.IwishIcouldgointospacesomeday.我梦想有一天可以遨游太空。5.When|Wherewasitdeveloped|invented?它在何时|何地被研制|发明？Itwasdeveloped|inventedin…它在…被研制|发明？6.Nooneknowsfor,butmostpeoplethinkthatrobotswillbepartofourlives.没有人确切地知道，但是大多数人认为机器人将会成为我们生活中不可缺少的一部分。7.Thismethodworkedwellatnightaslongastheweatherwasgoodandthestarscouldbeseen.只要是在天气好，能看见星星的晚上，这种方法就很有用。三．中考热点：1.allowdoingsth.,allowsb.todosth.,beallowedtodosth.2.beusedfordoingsth.=beusedtodosth.3.bemadeof|from|in|into|by4.makeacontributiontosth.|doingsth.5.aslongas四．及时演练：（）1.Weshouldgooutaloneatnight.A.beallowedB.benotallowedC.beallowedtoD.benotallowedto()2.MP3isusedlisteningtomusic.A.toB.byC.forD.as()3.Booksaremadepaperandpaperismadewood.A.of,ofB.from,fromC.of,fromD.from,of()4.GrapesaremaderedwineandthisbottleofredwineismadeShanghai.A.in,inB.into,intoC.in,intoD.into,in()5.Ifeveryonemakesacontributiontotheenvironment,theworldwillbecomemuchmorebeautiful.A.protectB.protectsC.protectingD.protected五．语法总结：被动语态1.主动语态和被动语态：主动语态表示主语是动作的执行者，被动语态表示主语是动作的承受着。2.被动语态的构成：be+过去分词一般现在时am|is|are+过去分词一般过去时was|were+过去分词一般将来是willbe+过去分词现在进行时bebeing+过去分词现在完成时have|hasbeen+过去分词情态动词情态动词+be+过去分词六．典例示范：（）1.-Whatbeautifulflowersinthegarden!-Yeah!They___herelastyear.A.plantedB.wereplantedC.areplantedD.Will解析：根据lastyear可知用过去时态，应排除C.D，花应被种，用被动语态。故选B。（）2.Itissaidthatpotatochips____bymistakeaboutahundredyearsago.A.inventB.inventedC.areinventedD.Wereinvented解析：主语potatochips是动词invent的承受者应用被动语态，再有时间状语ahundredyearsago确定用一般过去时，故选D。（）3.Personalcomputers___in1976.Ithaschangedthewholeworld.A.havebeeninventedB.areinventedC.wereinventedD.invented解析：由于时间状语in1976可知应用一般过去时，且电脑与发明是被动关系，故选C.（）4.Thechildren___swimlastmonthandtheycanswimverywellnow.A.arerightB.aretaughttoC.weretaughtD.weretaughtto解析：本题四个答案，语态均正确，根据lastmonth可排除A,B，“教某人做某事”的结构为teachsb.todosth.其被动结构为sb.betaughttodosth.。故选D。（）5.-DidyougotoJack’sbirthdayparty?-No,I____.A.amnotinvitedB.wasn’tinvitedC.haven’tinventedD.didn’tinvented解析：答语No表明答话人没有去参加Jack的生日晚会，原因是因为没有被邀请。问句以Did开头，所以用一般过去时的被动语态，即：was|were+过去分词,否定式在was|were后加not.故选B.七．巩固练习：()1.Wewon’tallow...
