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英语：高三一轮复习超级课件Unit3《Inventorsandinventions》（新人教版选修8）•佳作选登•[话题]给美国朋友Chris写回信，介绍你校开展的“低碳生活”情况。•[体裁]书信•DearChris，•I'mhappytoreceiveyouemailaskingaboutwhatwearedoingtopromotealowcarbonlifestyle.Nowletmetellyousomethingaboutit.•Allofusaretakinganactivepartinit.Wechoosetogotoschoolbybikeoronfootratherthanbybusorcar.Beforeweleaveourclassroom,wemakesurethelightsandthecomputersareswitchedoff.Weturnoffthetapafterwewashourhands.Inordertomakefulluseofpaper,wewriteonbothsides.Besides,whileshopping,wenolongeruseplasticbagsbutcarryenvironmentallyfriendlyshoppingbagsthatcanbeusedrepeatedly.•Ithinkwhatwearedoingismeaningful,whichcanhelpusformgoodhabits.Ihopemorepeoplearounduswillchoosealow-carbonlifestyle.Onlyinthiswaywilltheearthremainagoodplacetoliveon.•Whataboutyou?Lookingforwardtoyourreply.•Yours，•LiHua•经典例句•[亮词]1.takinganactivepartin积极参加•2．makesure确保；确信•3．switchoff关闭•4．makefulluseof充分利用•[典句]1.Wechoosetogotoschoolbybikeoronfootratherthanbybusorcar.•我们希望骑自行车或步行去那儿而不是乘公车或小汽车。•(变式)⇒Wewouldprefertogotoschoolbybikeoronfootratherthangobybusorcar.•2．Besides,whileshopping,wenolongeruseplasticbagsbutcarryenvironmentallyfriendlyshoppingbagsthatcanbeusedrepeatedly.•而且，当购物时我们用能够被重复利用的环保购物袋而不再用普通的购物袋。•3．Ithinkwhatwearedoingismeaningful,whichcanhelpusformgoodhabits.•我认为我们所作的事情很有意义，这能帮助我们形成好习惯。•1．(2011·江苏高考)Inthatschool，Englishiscompulsoryforallstudents，butFrenchandRussianare________.•A．specialB．regional•C．optionalD．original•[解题指导]句意：在那所学校，对于所有学生来说英语是必修科目，但是法语和俄语是选修科目。本题考查形容词辨析。compulsory“必修的”，与其相对应的词是optional(选修的)，故选C项。special“特别的，专门的”；regional“地方性的”；original“最初的，原始的”，均不符合题意。•[正确答案]C•2．(2012·合肥模拟)Itriedphoningheroffice，butIcouldn't________.•A．getalongB．geton•C．gettoD．getthrough•[解题指导]考查短语动词辨析。句意：我试着给她办公室打电话，但没有打通。getalong进展，相处；geton上车；getto到达；getthrough接通，通过。依据句意，选D。•[正确答案]D•3．(2012·福州模拟)It'snoteasyforexpertsto________A/H1N1fluinhumansfromregularhumanseasonalinfluenza.•A．distinguishB．separate•C．defineD．recognize•[解题指导]句意：专家不容易把人身上的甲型H1N1流感和常规的季节性流感区分开。distinguish...from...把……和……区分开，符合句意。separate...from...强调把某物从总体中分离出，不符合语境。•[正确答案]A•4．(2012·成都质检)Hisaunt'sletters________himofthosebeautifuldayswhentheyusedtolivetogetherinhishometown.•A．callatB．callfor•C．callonD．callup•[解题指导]callat“拜访”；callfor“要求，需要”；callon“访问，号召”；callup“打电话，使想起”。句意为：他姨妈的来信使他想起了那些在他们家乡一起度过的好日子。•[正确答案]D•5．(2012·上海模拟)Onreceivingtheassignment，weatonce________。•A．setaboutworkingB．setouttowork•C．getdowntoworkD．alltheabove•[解题指导]考查短语意义。句意：一接到任务我们就立即着手干了。A、B、C三项都可表示“着手工作”，故选D。•[正确答案]D•Ⅰ.重点单词•1．adj.仁慈的→mercilessadj.•2．productn．→productionn.•3．adj.不锈的；没有污点的→n．污点；污迹→adj.满是污痕的•4．abruptadj.→abruptlyadv.merciful残忍的产品生产stainlessstainstained突然的，意外的地，意外地突然•5．n．小心；谨慎→adj.谨慎的•6．n．期望；期待；预料•7．adj.被动的；消极的→(反义词)主动的，积极的•8．vt.抓住；捉住；夺•9．adj.有效的•10．adj.冰冻的；严寒的→vt.结冰•11．n．鉴定；辨认；身份证明→vt.确定；确定cautioncautiousexpectationpassiveactiveseizevalidfreezingfreezeidentificationidentify•12．adj.无罪的；天真的→n．清白•13．vt.忍受；负担→(过去分词)•14．dynamicadj.•15．stableadj.•16．practicaladj.→theoreticaladj.•17．n．能力；胜任→adj.能胜任的innocentinnocencebearborne精力充沛的，动态的，发展变化的稳固的，稳定的，安定的实际的，实践的，实用的理论上的competencecompetent•Ⅱ.重点短语•1．decide决定；选定•2．callsb.给某人打电话•3．nowand偶尔；有时•4．setdoing或settodo开始着手干……•5．thesametime与此同时•6．theexpectation在预料中•7．dive迅速把手伸入，一心投入onupthenaboutoutatininto•8．beassociated和……有联系•9．hang不挂断；稍等•10．outorder次序颠倒；发生故障•11．get设法联系上；(设法)做完；通过•12．ring回复电话•13．ring挂断电话withonofthroughbackoff•Ⅲ.重点句型•1．Onlyafteryouhavehadthatrecognitionsaythatyouaretrulyaninventor.•只有在你获得那种认证之后，你才能说你是一个真正的发明者。canyou•2．，exploreallaroundit，•beforeyouknowit，havesomethingworththinkingabouttooccupyyourmind.•跟随它，在它周围探索，那么在你知道它之前，你将有值得考虑的某些东西占用你的大脑。Followitupandyouwill•1．distinguishvi.&vt.辨别；显示……的差别；使……有所不同•distinguishbetween...and...•区分/辨别……和……•distinguish...from...使……有别于……的特征•distinguishoneselfby显扬自己；使自己扬名•distinguishoneself(as...)(作为……)表现突出•distinguishedadj.卓越的，著名的，杰出的•bedistinguishedfor...因……而出名•①It'simportanttodistinguishbetweentaxavoidanceandtaxevasion.•把避税和逃税区别开是很重要的。•②Speechdistinguisheshumanbeingsfromtheanimals.•语言是人类区别于动物的特征。•③Hedistinguishedhimselfbyinventingthecomputer.•他因为发明了计算机而出名。•2．callup给……打电话；(使)回忆想•ring/callback回复电话•ringoff挂断电话•givesb.aring给某人打电话•sb.bewantedonthephone有某人的电话•hang/holdon不挂断电话•callfor需要；要求；呼吁；(去)•接(某人)•callat(火车等)停靠；拜访某地•callon要求；请求；拜访某人•calloff取消•callin召来；来访•①Shecalledupafriendjustforachat.•她打电话给一个朋友，只是要聊聊天。•②I'llcallforyouat8o'clock.我8点钟来接你。•③Thegovernmentcallsontheyouthtodonatetheirbloodvoluntarily.政府号召青年义务献血。•④Thegamewascalledoffbecauseofthebadweather.•比赛因天气恶劣被取消。•3．getthrough接通(电话)；通过(考试)；用完；成功•getacross使某事传播或为人所理解•getaheadofsb.领先某人•getbacktosth.回到某事物上•getsb.down使某人情绪低落•getdownto(doing)sth.开始(做)某事•getin到达；收获；进入•①I'llgetthroughthisworkbynoon.•我会在中午以前完成这项工作。•②Irangyoubutcouldn'tgetthrough.•我给你打电话，但没有打通。•③HowcanIgetitacrosstoyouhowimportantthisis?•我怎么做才能让你们这些人理解这件事的重要性？•1．Icouldn't________.Thelinewasbusy.•A．gobyB．goaround•C．breakthroughD．getthrough•解析：getthrough“接通(电话)”；goby“(时间等)流逝”；goaround“到处走动”；breakthrough“突破”。•答案：D•2．—Haveyoucalled________DoctorSmith?•—Yes，I'vecalled________hisoffice.•A．at；onB．on；at•C．in；withD．in；up•解析：ca