Unit 5 Revealing nature Developing ideas and Presenting 学案-2022-2023学年高中英语外研版2019选择性必修第一册

Unit5RevealingnaturePeriod

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DevelopingideasandPresentingideas知识点梳理I.词汇精讲·对接高考知识点1.【原句】Aftergoatsinparticularhadbeenbroughttotheisland,thePintaIslandtortoisedeclined.declinev.减少；衰退；谢绝n.减少；下降；衰退【考点归纳】※declineby...下降了……declinetodosth.拒绝做某事※indecline在下降onthedecline在下降asharpdeclinein...在……方面的急剧下降【例句】①InpartsofsouthernCaliforniathedeclinewasnearly75percent.(2019·浙江)在加州南部的部分地区这种下降接近75%。②Iofferedtogivethemalift，buttheydeclinedwiththanks.我邀请他们搭便车，但他们婉言谢绝了。【对接高考】·单句语法填空①Thenumberoftouriststotheresortdeclinedby10%lastyear.去年，到这个景点旅游的人数减少了10%。②Inspiteofmanyinvitations，hewouldalwaysdeclinetovisit(visit)Oxford.尽管多次受到邀请，他还是拒绝去牛津。知识点2.【原句】TheextinctionofthePintaIslandtortoiseisblamedonhumans.平塔岛龟的灭绝被归咎于人类。blamev．责怪，指责；把……归咎于【考点归纳】※blamesb.for...因……而怪罪/责备某人；把……归咎于某人blamesth.on...把责任归咎于……betoblamefor该为……受责备；应为……承担责任※put/laytheblameforsth.onsb.把某事归咎于某人take/beartheblamefor...对……负责；为……承担责任【例句】Sheblamedherhusbandforthefailureoftheirmarriage.她把婚姻的失败归咎于她的丈夫。【对接高考】·单句语法填空①Itismyfault，soIamtoblame(blame)forMiller’saccident.这是我的错，我应当为米勒的事故负责任。②Lotsofpeoplefindithardtogetupinthemorning，andputtheblameonthealarmclock.(2017·全国Ⅲ)很多人发现早晨起床很难，并且把此问题归咎于闹钟。知识点3.【原句】Whenanotherbeanplantdetectsthechemicalsfromitsinjuredneighbour，itstartstoreleaseitsown，differentchemicals.当另一株豆属植物发现受伤邻居释放的化学物质时，它开始释放自己的不同的化学物质。detectv．发现，察觉【考点归纳】※detectionn.探测，侦查※detectiven.侦探※detectorn.探测器【例句】Manyformsofcancercanbecuredifdetectedearly.如果发现得早，许多癌症都可以治愈。【对接高考】·单句语法填空①Lastyearthedetection(detect)rateforcartheftwasjust13%.去年汽车盗窃案的侦破率仅为13%。②Ifyouwanttoenterthathouse，youmustholdasmokedetector(detect)．如果你想进入那个房子，你必须拿着一个烟雾探测器。【高级表达】Afirefighterwaswalkingaheadofmeandhewasdetectingtheground.(用非谓语动词改写)Afirefighterwaswalkingaheadofme，detectingtheground.知识点4.【原句】Thisfungalnetworklinkstherootsofdifferentplantstoeachother.这种真菌网络把不同植物的根部相互联系起来。linkv．把……联系起来；连接n．联系；连接线【考点归纳】※alinkbetween...and...……和……之间的联系※link...to/with...把……和……连接/联系起来【例句】Mostfoodwebs，forinstance，consistofmanyweaklinksratherthanafewstrongones.例如，大多数食物网由很多弱的联系而不是强的联系组成。【对接高考】·单句语法填空①Istherealinkbetweensmokingandlungdisease?吸烟和肺病之间有联系吗？②Asubwaylinewilllinktheairporttothecitycenter.地铁将把机场和市中心连接起来。【高级表达】Thegirllikesyellowthatislinkedwithconfidenceandself-respect.(用非谓语动词改写)Thegirllikesyellowlinkedwithconfidenceandself-respect.知识点5.【原句】Thisfungalnetworklinkstherootsofdifferentplantstoeachother.这种真菌网络把不同植物的根部相互联系起来。rootn．根；根源vt.&vi.(使)生根；(使)扎根【考点归纳】※therootoftheproblem问题的根源※rootedadj.根深蒂固的；生根的【例句】①Treerootscancausedamagetobuildings.树根会对大楼造成损害。②Wehavetogettotherootoftheproblem.我们必须找到这个问题的根源。【对接高考】·单句语法填空Hisproblemsaredeeplyrooted(root)inhischildhoodexperience.他的问题的根源在于他的童年经历。II.重点短语精讲精练知识点【原句】Someofthesechemicalsdriveinsectsaway.有些化学物质把昆虫赶跑。drive...away赶跑；驱车离开【考点归纳】driveoff驾车离开drivesb.crazy使某人发疯【例句】Aftertwoandahalfyears，themotherdrovetheyoungpandaaway.两年半后，熊猫妈妈把小熊猫赶跑了。【对接高考】·单句语法填空①Iwatchedseveralpeoplegoby，getintotheircarsanddriveoff.我看见几个人走过，上车然后开车离开了。②Thechildrennearbydrovehercrazybymakingfunofher.附近的孩子们取笑她，这简直让她发疯。III.重点句型精讲精练知识点1.【原句】GregorMendelchosetostudypeaplantsbecausetheircharacteristicswereeasytocontrol.格雷戈尔·孟德尔选择研究豌豆，是因为它们的特性容易控制。【考点归纳】※本句中的wereeasytocontrol是“be＋adj.＋todo”结构，是用主动形式表示被动意义。※在“主语＋be＋adj.＋todo”结构中，不定式与句子主语构成动宾关系时，不定式仍用主动形式表示被动意义。常用于此结构的形容词有difficult，hard，easy，comfortable，pleasant，interesting，exciting等。【例句】Hefoundthatthesentencewashardtounderstand.他发现这个句子很难理解。【对接高考】·单句语法填空Itisdifficulttoanswer(answer)thisquestioninafewwords.这个问题三言两语很难说明白。【句型转换】Whenheturnedonthecomputer，hefoundthattheemailswerehardtoanswer.→Whenheturnedonthecomputer，hefoundtheemailshardtoanswer.知识点2.【原句】Usingthewoodwideweb，plantscanshareinformationandevenfoodwitheachother.使用森林网，植物可以分享信息，甚至可以彼此分享食物。【考点归纳】※本句中的Usingthewoodwideweb是现在分词短语作方式状语。※现在分词作状语时，可表示时间、伴随、条件、原因、结果等，通常相当于一个状语从句或并列句。【例句】Myfathersatinthearmchair，readingamagazine.＝Myfathersatinthearmchairandreadamagazine.我父亲坐在扶手椅中看杂志。(表伴随)【对接高考】·单句语法填空①Hearing(hear)thenews，theygotveryexcited.＝Whentheyheardthenews，theygotveryexcited.听到这个消息，他们很激动。(表时间)②Notknowing(know)heraddress，Ican’twritetoher.＝As/BecauseIdon’tknowheraddress，Ican’twritetoher.由于不知道她的地址，我无法给她写信。(表原因)③Thecupdroppedtotheground，breaking(break)intopieces.＝Thecupdroppedtothegroundandbrokeintopieces.杯子掉到地上，摔成了碎片。(