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1、-1-Unit 6 Earth first外研版高中英语必修二Section A Starting out&Understanding ideas晨读晚诵AreSharkNetsNecessary?为了防止鲨鱼对人类的攻击,一直以来澳大利亚的海岸线都设置防鲨网,但是研究发现该做法弊大于利。SharknetsinplaceacrossAustralia,specificallyinNewSouthWales(NSW)andQueensland,toprotectbeachgoersshouldbedroppedastheyhavecausedmoreharmthangood.晨读晚诵Themea
2、sureswerecarriedoutbysomegovernments,includingnetsandtraditionaldrumlines,andprovidedbeachgoerswithafalsesenseofsafety.Thestudyfoundtheeffectivenessofnetswasdifficulttoevaluate,whilethesignificantdamagetheycausetoothermarinewildlifewasdesirefornon-deadlysharkcontrolmeasuressuchasecobarriers,whichphy
3、sicallyseparateswimmersfromsharks,sonar(声呐)technology,andvariousshark-spottingtechniques.Researcherssaidwhiletheriskofcomingacrossasharkwasrare,anyshark-relateddeathsandinjuriescaughthugepublicandmediaattention.晨读晚诵Oneoftheargumentsinsupportofusingsharknetsisthatjustoneshark-relateddeathhasbeenrepor
4、tedinQueenslandsincethe1960s.Similarly,sincethe1930s,NSWhashadonlyoneshark-relateddeath.Buttherehavebeenatleast13peoplekilledbysharksatbeacheswithoutnetsontheNSWnorthcoastoverthepasttwoyears.TheHumaneSocietyInternationalsheadofcampaigns,NicolaBeynon,saidthegovernmentneededtomoveawayfromoutdatedmetho
5、ds.“Deadlysharknetsanddrumlinesaremorethan50yearsbehindscientificandanimalwelfarestandardsfordealingwithmarinewildlife,”saidBeynon.TheNSWGreensmarinespokesman,JustinField,said,“Peopleare100timesmorelikelytodrownatthebeachthantobekilledbyasharkinAustralia.Therefore,millionsofdollarsgoingintothesharkn
6、etprogramshouldbedirectedtoobservationtowersforourlifeguardsandimprovingthebeachdevices.”晨读晚诵词海拾贝词海拾贝measuren.措施evaluatevt.评估separatevt.分开similarlyadv.相似地methodn.方法observationn.观察晨读晚诵典句欣赏典句欣赏Thestudyfoundtheeffectivenessofnetswasdifficulttoevaluate,whilethesignificantdamagetheycausetoothermarinewild
7、lifewasclear.译文:研究发现,防鲨网的有效性很难评估,而它们对其他海洋野生动物造成的重大损害则是显而易见的。分析:本句总体上是一个并列句。Thestudyfound是第一个分句,whilethesignificantdamage.是第二个分句。在第一个分句中theeffectivenessofnetswasdifficulttoevaluate是宾语从句,在第二个分句中theycauseto.是定语从句。晨读晚诵理解诱思理解诱思1.Whatdoresearchersfocuson?答案:Friendlysharkcontrolways.2.WhatdoNicolaBeynonand
8、JustinFieldhaveincommon?答案:Nosharknetsaretobeused.课前篇自主预习.知识体系图解sharkscaredivetargetfortunatelyextinctionattitude课前篇自主预习恐惧害怕把切断对有影响被覆盖相反;反之把看作从那天起错误地保护免受侵害提高的意识课前篇自主预习.释义匹配1.scareA.somethingthatyouaretryingtoachieve2.diveB.notexisting3.targetC.theopinionsandfeelingsthatyouusuallyhaveaboutsomething4.
9、extinctionD.tomakesomeonefeelfrightened5.attitudeE.tojumpintodeepwaterwithyourheadandarmsgoinginfirst答案:1.D2.E3.A4.B5.C课前篇自主预习.阅读导学根据pp.6263课文内容,选择正确答案1.Whatisthepurposeofthefirstparagraph?A.Toadvertiseamovie.B.Tointroducethetopic.C.Toshowsharksaredangerous.D.Towarnpeoplenottoswiminthesea.答案:B课前篇自主预
10、习2.Whatcanweinferfromthesecondparagraph?A.Themoviehadabadinfluenceontheviewers.B.Theviewersbegantoknowthenatureofsharks.C.Sharkswereanimalsthatatehumans.D.Peoplebegantocareaboutsharks.3.Weknowfromthethirdparagraphthatfinningis.A.difficultB.cruelC.excitingD.easy答案:A答案:B课前篇自主预习4.WhatmadeBenchleybeliev
11、ehumanswasadangertosharks?A.ThemovieJaws.B.Thesharkfinsoup.C.Theattacksofsharksbymistake.D.Thefinningscene.答案:D课堂篇学习理解重点词汇重点句式随堂练习1.scaredadj.惊恐的,恐惧的【课文原句】Peoplehavealwaysbeenscaredofsharks,butJawsmadethingsworse.人们一直都恐惧鲨鱼,但大白鲨令事情变得更糟糕。【词汇精讲】句中的scared是形容词,意为“害怕的,恐惧的”。OnethingIamsureofwasthatshewassc
12、ared.有一点我能肯定,那就是她当时被吓到了。Imscaredoftellingherwhatreallyhappened.我害怕告诉她所发生的事情。课堂篇学习理解重点词汇重点句式随堂练习【词汇拓展】Tomalwayskeepscalmandneverscares,whenhemeetswhateverurgency.汤姆在任何紧急情况下都能保持镇静,从不会惊慌。Gracewasgettingscaredofthewindandweather.格雷丝越来越害怕这种天气和风暴。课堂篇学习理解重点词汇重点句式随堂练习 课堂篇学习理解重点词汇重点句式随堂练习2.dueto由于,因为【课文原句】Th
13、iswasnotonlyduetofearofsharks,butalsofinning.Finningisatypeoffishingwheresharksarecaughtandtheirfinscutoff.这不仅是因为害怕鲨鱼,而且也是因为生切鱼鳍。生切鱼鳍是一种捕捞方式:鲨鱼被捕获后,切掉它们的鳍。【词汇精讲】dueto是固定搭配,引出原因,意为“由于,因为”。Mistakesduetocarelessnessmayhaveseriousconsequences.由粗心大意造成的错误有可能带来严重的后果。Thetrainhadstoppedduetoamechanicalproble
14、m.火车因为机械故障停了下来。课堂篇学习理解重点词汇重点句式随堂练习【词汇拓展】Thenextflightisdueinfiveminutes.下一趟飞机预计在五分钟后抵达。Thewagesduetohimwillbepaidtomorrow.他应得的工资明天将会付给他。Thatmoneyisduetome,butIhaventgotityet.那笔钱是应付给我的,而我至今还未拿到。Look!Thefrontpartofthecarisnowtotallyoutofshapeduetothecrash.看!因为撞车,这辆车的前部现在已经完全变形了。课堂篇学习理解重点词汇重点句式随堂练习【温馨提
15、示】当dueto表示“由于;因造成;应给予”时,其中的to是介词,并且在句中常常作表语或状语;当dueto意为“即将/预期做”时后接不定式。课堂篇学习理解重点词汇重点句式随堂练习课堂篇学习理解重点词汇重点句式随堂练习 课堂篇学习理解重点词汇重点句式随堂练习3.extinctionn.灭绝,绝种【课文原句】Today,aswelearnmoreaboutsharks,morepeoplethaneverwanttoprotectthemfromextinction.今天,随着对鲨鱼了解得更多,越来越多的人都想保护它们免遭灭绝。【词汇精讲】extinction是名词,意为“灭绝,绝种”。Thesp
16、ecieswasdoomedtoextinction.这一物种注定要灭绝。Manyspeciesareindangerofextinctionbecauseofourdestructionoftheirnaturalhabitat.许多物种由于我们破坏了它们的自然环境,现在正面临灭绝的危险。课堂篇学习理解重点词汇重点句式随堂练习【词汇拓展】extinctadj.已经灭绝的Dinosaurshavebeenextinctformillionsofyears.恐龙已绝迹数百万年了。课堂篇学习理解重点词汇重点句式随堂练习 课堂篇学习理解重点词汇重点句式随堂练习4.attituden.态度,看法【课文原句】Completethechartshowinghowattitudestowardssharkshavechangedwithwordsandexpressionsfromthepassage.用文章中的单词和短语完成对鲨鱼态度变化的图表。【词汇精讲】句中的attitude是名词,意为“态度”,是可数名词。AssoonashefoundoutIwasadoctorhisattitudecha
