Unit5IntotheUnknownDevelopingideas课件高二下学期英语选择性必修四册

Warm-upⅠ.Fast-readingformainideas1.Matchthemainideawitheachparagraph.Para.1

A.Theamazingbiologicaldiscoveries.Para.2 B.Introductiontothetopic.Para.3 C.Humankindisenteringanewageofoceanicdiscovery.Para.4 D.TheruinsofNeápolis.Para.5 E.Thediscoveryofnaturalresources.Oeanexploration

Lyingunderwatersacrosstheglobeareanestimatedthreemillionshipwrecks.AllofthemrepresentattemptsoverthecenturiestoexploreEarth`sfurthestcorners.

AmongtheseistheEsmeralda,theearliestwreckfromtheageoftheEuropeanexplorationofAsia.Today,some500yearsaftertheEsmeraldasetsail,thereislittle-ifany-landonourplanetleftunexplored.WehavemoredetailedmapsoftheMoonandevenofVenusandMars,thanwedoofEarth’sownseabed.Ⅱ.Careful-readingfordetailsActivity1

细节把握1.AboutwhattimedidtheEsmeraldasetsail?A.In1920. B.In1520.C.In1820. D.In1620.√2.WhatcausedtheancientRomancityofNeapolistobeburiedunderwateraccordingtothepassage?A.Aterribleearthquake.B.Avolcaniceruption.C.Atsunami.D.Ahurricane.√3.Whyisthebarreleyestrange?A.Itgrowsveryfast.B.Itsforeheadistransparent.C.Itlivesinthedeepestditch.D.Itcomesoutofsciencefiction.√Archaeologicalexploration

AswiththediscoveryoftheEsmeralda,manyarchaeologicalfinds

aremadeinshallowwatersnearthecoastincludingwholecitiesburiedbeneaththewaves.OnesuchfindistheancientRomancityofNeapolis,discoveredoffthecoastofTunisia.4.Accordingtothebiologicaldiscoveries，whichofthefollowingisRIGHT?A.Mostoftheplanet’sfishlivedeepintotheocean.B.Creaturescan’tlivewithoutlight.C.Bone-whitecoralgrowsfastbelowtheocean’ssurface.D.Thereisnolifearoundthedeep-seavolcanicopenings.√Archaeologicalexploration

AswiththediscoveryoftheEsmeralda,manyarchaeologicalfinds

aremadeinshallowwatersnearthecoastincludingwholecitiesburiedbeneaththewaves.OnesuchfindistheancientRomancityofNeapolis,discoveredoffthecoastofTunisia.5.WhichoftheachievementsmakesChinaoneoftheworld’stopoceanexplorers?A.Thediscoveryof“fireice”.B.ThediscoveryoftheruinsofNeápolis.C.ThediscoveryoftheEsmeralda.D.China’svessel，Jiaolong，holdstherecordforthedeepestdivebyamannedsubmarine.√Activity2

深层理解1.What’stheauthor’sattitudetowardsoceanexploration?A.Unfavourable. B.Negative.C.Toochallenging. D.Supportive.√2.Itcanbeinferredfromthelastparagraphthat

.A.thedepthsoftheoceanarewithintherangeofhumanexplorationB.itisbetterforacountrytoexploretheoceanaloneC.manhasbecomefamiliarwiththeunderwaterworldD.oceanexplorationrequiresinternationalcooperation√3.Thepassageislikelytobeselectedfromabookof

.A.education B.explorationC.history D.geography√4.Whatdoestheunderlinedpartrefertointhesentence“...weareallbecomingpartofaglobalmissiontoopenupourplanet’sfinalfrontier”？A.Theocean. B.Theresource.C.Theland. D.Thespace.√biologicaldiscoverisInthesewaters,morethan200metresdeep,wherelightcannotreach,areextraordinarycreaturesthatappearasiftheyarestraightoutofsciencefiction.Thedarkzonesoftheoceansmaycontain___(多达)90percentoftheplanet`sfish.Weprobablyknowmoreabouttheoceanthanwedoabouttheuniverse.Ourknowledgeoftheocean--whencomparedtoourknowledgeofthespaceweknowandcanexplore--isshockinglythin.Whatcanyouinferfromthefirstparagraph?Furthermore,theoceansareavaluablesourceofnaturalreso