Unit3+Sea+Exploration+单元话题一轮复习课件【知识精研+拓展提升】高三英语人教版（2019）选择性必修第四册

人与自然：地球与宇宙奥秘探索Explorationofnaturalscience单元话题复习AmyC3-4SpaceexplorationGettoknownaturalscienceresearchAppreciatethebeautyofuniverseInspireawetotheuniverse7-3SeaexplorationLet’sreadthemagain.Workinpairsandfindoutsomewordsandexpressionsbasedonthefollowingtopicsbyreviewingthewholeunit.·events·humanactivitiesandtheeffects·significance

eventsbecelebratedwithspecialevents以特别的活动来庆祝bemarkedinavarietyofways,includingthelaunchingofnewcampaigns以多种方式来纪念，包括发起新活动

beachclean-upactivity

海滩清理活动

aquariumtour海洋馆之旅

presentationsbyseascientists

海洋科学家作展示

interviewswithexplorers

对开发者的采访

eventsbecelebratedwithspecialevents以特别的活动来庆祝bemarkedinavarietyofways,includingthelaunchingofnewcampaigns以多种方式来纪念，包括发起新活动

beachclean-upactivity

海滩清理活动

aquariumtour海洋馆之旅

presentationsbyseascientists

海洋科学家作展示

interviewswithexplorers

对开发者的采访615243

humanactivitiesandtheeffectsaccessthedeepocean

通往深海murderthewhalewithoutmercy

无情地掠杀鲸鱼havenomercyon

毫无怜悯withdrawfromdoingdamageto...停止伤害provideabreedinggroundforlife

提供孕育生命的基础poseathreatto...

造成威胁

humanactivitiesandtheeffectsaccessthedeepocean

通往深海murderthewhalewithoutmercy

无情地掠杀鲸鱼havenomercyon

毫无怜悯withdrawfromdoingdamageto...停止伤害provideabreedinggroundforlife

提供孕育生命的基础poseathreatto...

造成威胁615243

significanceencouragecooperation鼓励合作strengthenthebondsbetween...and...加强连接understandhumanactivitiesandtheireffects

理解人类活动和它们的影响improveourunderstandingof

提升我们对...的理解address

importantissues

解决重要的问题formthefoundationof形成...的基础providesb.aplatformwheretheycanexpresstheirconcernsandsharetheirideas提供了一个他们可以表达担忧和分享想法的平台

worktoadvanceoceanconservationandeducation起推进海洋保护和教育的作用

significanceencouragecooperation鼓励合作strengthenthebondsbetween...and...加强连接understandhumanactivitiesandtheireffects

理解人类活动和它们的影响improveourunderstandingof

提升我们对...的理解address

importantissues

解决重要的问题formthefoundationof

形成...的基础providesb.aplatformwheretheycanexpresstheirconcernsandsharetheirideas提供了一个他们可以表达担忧和分享想法的平台

worktoadvanceoceanconservationandeducation起推进海洋保护和教育的作用

68152473Let’sreview1.Merchants2.what3.extending4.which5.fleets6.Under7.withdrewTradeandcuriosityhaveoftenformedthefoundationofmankind'sgreatestachievements.1.

(merchant)andexplorersfromtheEastsetsailfromeasttowestmanyyearsbeforeColumbusfirstdid.Inancienttimes,silkfromChinafounditswayalong2.

becameknownastheSilkRoad,3.

(extend)alongthecoastsoftheIndianOcean,centredaroundCeylon.Here,merchantsfromChinaandmanyotherplacesmettonegotiatetradedeals,4.

alsoledtomoreawarenessofeachother'scultures.Later,theMingDynastysentsevenlarge5.

(fleet)tosailwestonvoyagesoftradeandexploration.6.

thecommandofZhengHe,theysetsailfromtheSouthChinaSeaacrosstheIndianOceantothemouthoftheRedSea,andthentotheeastcoastofAfrica.AlthoughChina7.

(withdraw)fromfurtherexpeditionsafter1433,theselandandsearoutesremainedactivechannelsbetweenotherculturesforcenturies.8.remains9.strengthen10.toreachToreachoutacrossthesea8.

(remain)astrongdesiretoday.TheaimoftheBeltandRoadInitiativeistoencouragecooperationandtradeacrossthehistoricSilkRoadareas,and9.

(strength)thebondsbetweenChinaandtherestoftheworld.Chinahasinvestedbillionsinsystemsandservicesalongtheseroutes.Chinahasalsojoineditsfriendsacrosstheseaonotherimportantprojects.TheneedtotradeandthedesiretoenhancerelationshipswilldriveChina10.

(reach)outacrosstheseafarintothefuture.Whenpeopletalkofexploringtheseamore,theyusuallymean1.

(exploit)it.Seaexplorationhascausedmanyproblemsandwillcontinuetocausemore.Moreexplorationmeansmorepollution.TheDeepwaterHorizonspilledover200milliongallonsofoilintotheseain2010.Miningforresourcesisvery2.

(damage)．Overfishingisanotherproblem.Althoughhuntingwhalesanddolphins3.

(ban)in1982,somecountriesarestill“murdering”theseintelligentcreatures4.

mercy.Theseaishome5.

life,nothumanbeings'6._____________(possess)．Totrulyunderstandourplanet,wemustexploretheoceans.7.

(opponent)maybeconcerned,butseaexplorationisimportantforourfuture.Therefore,moreresearchisnecessary.1.exploiting2.damaging3.wasbanned4.without5.to6.possessions7.OpponentsWhenpeopletalkofexploringtheseamore,theyusuallymean1.

(exploit)it.Seaexplorationhascausedmanyproblemsandwillcontinuetocausemore.Moreexplorationmeansmorepollution.TheDeepwaterHorizonspilledover200milliongallonsofoilintotheseain2010.Miningforresourcesisvery2.

(damage)．Overfishingisanotherproblem.Althoughhuntingwhalesanddolphins3.

(ban)in1982,somecountriesarestill“murdering”theseintelligentcreatures4.

mercy.Theseaishome5.

life,nothumanbeings'6._____________(possess)．Totrulyunderstandourplanet,wemustexploretheoceans.7.

(opponent)maybeconcerned,butseaexplorationisimportantforourfuture.Therefore,moreresearchisnecessary.Understandingmoreabouttheseawillalsohelpusmanage8.

(it)resourcesbetter.Loggingnewspecieswillimproveourunderstandingoflifeontheearth.Thepopulationoftheworldisgrowing9.

weneednewresourcesforfuturedevelopment.Ofcourse,weshouldbalanceenvironmentalriskswith10.

(economy)needs.8.its9.and10.economicUnderstandingmoreabouttheseawillalsohelpusmanage8.

(it)resourcesbetter.Loggingnewspecieswillimproveourunderstandingoflifeontheearth.Thepopulationoftheworldisgrowing9.

weneednewresourcesforfuturedevelopment.Ofcourse,weshouldbalanceenvironmentalriskswith10.

(economy)needs.Writing

本周五，你校举办了世界海洋日系列活动，请你为校报写一篇英文报道。内容包括：活动简介；你的感想。注意：1.词数80左右；2.可适当增加细节，以使行文连贯。1.现如今，它在超过100个国家，以上千种特别的在全球被播报的活动被庆祝。Itisnowcelebratedinover100countrieswithhundredsofspecialeventsbroadcastacrosstheglobe.2.这一天以各种各样的方式被纪念，包括发起新活动、新倡议和举办各种特别的活动，所有皆为促进海洋保护和教育。

Thedayismarkedinavarietyofways,includingthelaunchofnewcampaignsandinitiatives,andholdingspecialevents,allworkingtoadvanceoceanconservationandeducation.3.世界海洋日给他们提供了一个平台，在此平台上他们可以表达他们的担忧、分享他们的想法。WorldOceansDayprovidesthemwithaplatformwheretheycanexpresstheirconcernsandsharetheirideas.P1.节日介绍1.马可波罗的故事鼓励了欧洲探险家去寻找从西方通往东方的线路。MarcoPolo’stalesinspiredEuropeanexplorerstosearchforsearoutesfromwesttoeast.2.来自中国和其它地方的商人们会面来协商贸易协议，这也导致了对彼此文化更多的了解。

MerchantsfromChinaandmanyotherplacesmettonegotiatetradedeals,whichalsoledtomoreawarenessofeachother’scultures.P2.人类活动及影响3.自此之后数千年，手握最新科技，贸易的需求和增进关系的渴望会促使中国在未来全面接触海洋。Hundredsofyearson,withthelatesttechnologyinhand,theneedtotradeandthedesiretoenhancerelationshipswilldriveChinatoreachoutacrosstheseasfarintothefuture.4.海洋开发已导致很多问题，未来还是继续导致更多。Seaexplorationhascausedmanyproblemsandwillcontinuetocausemore.1.海洋提供了孕育生命的基础，连接了世界，促进了发展。Oceansprovideabreedinggroundforlife,connecttheworldandpromotedevelopment.2.这项倡议的目的是促进重要的丝绸之路区域的合作和贸易，同时强化中国和世界其他地方的纽带。TheaimofthisinitiativeistoencouragecooperationandtradeacrossthehistoricSilkRoadareas,andstrengthenthebondsbetweenChinaandtherestoftheworld.3.记录新物种会提升我们对地球上生命的了解