Unit+5+Into+the+Unknown+Developing+ideas+ +Presenting+ideas+练习 高二英语外研版（2019）选择性必修第四册

Developingideas&PresentingideasI.

根据句意以及括号内的提示，写出所缺单词的正确形式。1.Peoplestartedfindingreallyusefulapplicationsforthisnew________.(n.particulartypeofmatter)2.ThehistoryoftheRomanEmpireisin________3and4.(n.abookthatispartofaset,oroneintowhichaverylongbookisdivided)3.OneofEurope'smostactivevolcanoMountEtnaisslidingtowardstheseaatarateof40________peryear.(n.aunitoflengthwhichisequalto0.001metres)4.Offshore________hasbeencompletedinZhejiangProvincefortheconstructionofChina'sfirstunderseahigh-speedrailwaytunnel.(n.theactofmakingaholeinsomething)

II.

阅读下面短文，从短文后的选项中选出可以填入空白处的最佳选项。选项中有两项为多余选项。Despitethefactthattheoceanplaysaroleineverythingfromtheairwebreathetodailyweatherandclimatepatterns,weknowverylittleaboutourocean.1.________Deeperwatersremainamysteryeventhoughwearerelyingmoreandmoreontheseareasforfood,energy,andotherresources.Oceanexplorationisaboutmakingdiscoveries,searchingforthingsthatareunusualandunexpected.2.________Itisdisciplinedandorganisedandincludesrigorousobservationsanddocumentationoftheocean.Findingsmadethroughoceanexplorationarefundamentaltoreducingunknownsindeep-oceanareasandprovidinghigh-valueenvironmentalintelligenceneededtoaddressbothcurrentandemergingscienceandmanagementneeds.3.________Sothoseresourcesarearoundforfuturegenerationstoenjoy.4.________Unlockingthemysteriesofdeep-seaecosystemscanrevealnewsourcesformedicaldrugs,food,energyresources,andotherproducts.Informationfromdeep-oceanexplorationcanhelppredictearthquakesandtsunamis.5.________Oceanexplorationcanimproveoceanliteracyandinspireyoungpeopletoseekcareersinscience,technology,engineering,andmathematics.Thechallengesofexploringthedeepoceancanprovidethebasisfortechnologyandengineeringinnovationsthatcanbeappliedinothersituations.A.Informationfromoceanexplorationisimportanttoeveryone.B.And,mostofourknowledgeoftheoceanliesinshallowerwaters.C.Oceanexplorationhasotheradvantagesbesidesthescientificinformation.D.Bydiscoveringandunderstandingtheseecosystems,wecanunlockcurestodiseases.E.Explorationhelpstoensurethatoceanresourcesarenotjustmanaged,butmanagedwell.F.ItalsohelpsusunderstandhowweareaffectingandbeingaffectedbychangesinEarth'senvironment.G.Oceanexploration,however,isnotwanderingatrandominhopesoffindingsomethingnew.

III.

阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。Chinalive-streamedfootageofitsnewmannedsubmersibleparkedatthebottomoftheMarianaTrench(马里亚纳海沟),partofa(n)1.________(history)missionintothedeepestunderwatervalleyontheplanet.The

Fendouzhe,orStriver,descendedmorethan33,

000feetintothetrenchinthewesternPacificOceanwiththreeresearchers2.________board.OnlyahandfulofpeoplehaveevervisitedthebottomoftheMarianaTrench,acrescent-shapeddepressionthatis3.________(deep)thantheheightofMt.Qomolangmaandmorethan1,

600mileslong.Thefirstexplorersvisitedthetrenchin1960onabriefexploration,after4.________therehadbeennomissionsuntilHollywood5.________(direct)JamesCameronmadethefirstsolotriptothebottomin2012.Fendouzhe,which6.________(equip)withroboticarmstocollectbiologicalsamplesandsonar“eyes”thatusesoundwavestoidentifysurroundingobjects,hadmaderepeateddivestotest7.________(it)capabilities.Fendouzhe,being8.________thirddeep-seamannedsubmersibleofChina,observedthedifferentspeciesandthedistributionoflivingthingsontheseabed.Thewaterpressureatthebottomofthetrenchisacrushingeighttonspersquareinch,aroundathousand9.________(time)theatmosphericpressureatsealevel,yetscientistshavefoundthedark,coldwatersofthetrenchtobeabundantwithlife.Fendouzhe

isexpected10.________(set)newstandardsforChina'sfuturedeep-seavessels.参考答案Developingideas&PresentingideasI.1.substance

2.vols/volumes

3.millimetres