名师精编:Unit2必考知识点精讲1.basevt.以……为根据n.基部;基地;基础【原句回放】ItwasbasedmoreonGermanthantheEnglishwespeakatpresent.(P10)当时的英语更多是以德语为基础,而我们今天说的英语不是。【常见用法】base...on/upon把……建立在……的基础上bebasedon/upon以……为基础/依据Basedonatruestory,thenovelishighlythoughtof.以一个真实的故事为基础,这部小说受到了高度评价。Thefiguresarebaseduponaveragemarketprices.这些数字是基于平均市场价格而得出的。【对接高考】(2012·江苏高考)________animportantdecisionmoreonemotionthanonreason,youwillregretitsoonerorlater.A.BasedB.BasingC.BaseD.Tobase【解析】前后两部分之间没有连词且用逗号连接,因此空格处只能填非谓语动词形式,主语you与base之间为主动关系,动词不定式只能作目的状语,或与only一起表示意外的结果,故空格处应使用现在分词表条件。句意:如果你把重要决定更多地建立在情感而不是理性基础上,你迟早会后悔的。【答案】B2.commandvt.&vi.命令;指挥;支配n.命令;指令;掌握【原句回放】CanyoufindthefollowingcommandandrequestfromReading?(P12)你能从Reading里面找到如下表示命令和请求的句子吗?【常见用法】①underthecommandof/one'scommand在……指挥下takecommandof指挥/控制……haveagoodcommandof精通②commandsb.todosth.命令某人做某事commandthatsb.(should)dosth.宾语从句要用虚拟语气,should可以省略。HehasagoodcommandofFrench.他的法文很好。Icommandthathegoatonce.我命令他立即就去。Hecommandedhistroopstoattack.他命令部队发起进攻。句型转换①Hecommandedthatweshouldtakequickactiontostopit.→Hecommanded________________takequickactiontostopit.1/6②ThegeneraltookcommandoftheWar.→TheWarwas________________________________thegeneral.【答案】①usto②underthecommandof3.requestn.&vt.请求,要求【原句回放】CanyoufindthefollowingcommandandrequestfromReading?(P12)你能从Reading里面找到如下表示命令和请求的句子吗?【常见用法】①atsb.'srequest=attherequestofsb.应某人之请求makearequestforsth.要求得到……makearequestthat从句做出请求②requeststh.from/ofsb.向某人要求某物requestsb.todosth.要求某人做某事request+that从句从句中谓语用(should+)doIcameatyourrequest.我是应你要求而来的。Irequestthatheshouldleave.我恳请他离开。Irequestthemtostopmakingsuchanoise.我请求他们别这样吵闹。完成句子老师要求同学们不要在草地上走。③Theteacherrequestedthestudents____________________________.④Thestudentsarerequested____________________________________.⑤Theteacherrequestedthatthestudents_______________________________.【答案】③nottowalkonthegrass④nottowalkonthegrass⑤shouldnotwalkonthegrass4.recognizevt.辨认出,承认,公认【原句回放】AlthoughmanyAmericansmovealot,theystillrecognizeandunderstandeachother'sdialects.(P13)虽然许多美国人经常搬家,但是他们仍然能够辨别和理解彼此的方言。【常见用法】recognize...tobe/as认为……是;把……看作……recognizethat意识到……HerecognizedthepaintingasanearlyworkbyPicasso.他认出了这幅画是毕加索的早期作品。IrecognizethatsheworksharderthanIdo.我认识到她比我用功。2/6完成句子①Weall_______________(承认他是)ourleader.②Eventhoughhehaseverdonewrongtothem,they__________(仍把他看作)theirfriend.【答案】①recognizehimtobe②stillrecognizehimas必考短语1.evenif即使,尽管【原句回放】NativeEnglishspeakerscanunderstandeachothereven_iftheydon'tspeakthesamekindofEnglish.(P10)以英语作为母语的人,即使他们所讲的语言不尽相同,也可以相互理解。相当于eventhough,引导让步状语从句。Evenifitshouldraintomorrow,theywillgoforanouting.纵使明天下雨,他们也要去游览。Evenifwedon'tlikeit,wemustdoit.即...