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经典word整理文档,仅参考,双击此处可删除页眉页脚。本资料属于网络整理,如有侵权,请联系删除,谢谢!bottomisahostileenvironmenttohumans,insomewaysasforbiddingandremoteasthevoidofouterspace.1althoughresearchershavetakensamplesofdeepoceanrocksandsedimentsforoveracentury,thefirstdetaileddeepseadrillingproject(dsdp).usingtechniquesfirstdevelopedfortheoffshoreoilandgasindustry,thedsdpsdrilltheglomarchallengercompleted96voyagesina15yearresearchprogramthatendedinnovember1983.duringthistime,thevessellogged600,000kilometersandtookalmost20,000coresamplesofseabedsedimentsandrocksat624drillingsitesaroundtheworld.theglomarchallenger2stheearth.thecoresofsedimentdrilledbytheglomarchallengerhavealsoyieldedinformationcriticaltounderstandingtheyears,3muchlandbasedevidenceofpastclimates.thisrecordhasalreadyprovidedinsightsintothepatternsandcausesof1.theauthorreferstotheoceanbottomasa"frontier"inline2becauseit(a)isnotapopularareaforscientificresearch(b)containsawidevarietyoflifeforms(c)attractscourageousexplorers(d)isanunknownterritory2.theword"inaccessible"inline4isclosestinmeaningto43.theauthormentionsouterspaceinline9because4.whichofthefollowingistrueoftheglomarchallenger?(a)itisatypeofsubmarine.(b)itisanongoingproject.(c)ithasgoneonover100voyages.(d)itmadeitsfirstdsdpvoyagein1968.5.theword"extracting"inline18isclosestinmeaningto57.theword"strength"inline21isclosestinmeaningto(a)basis(b)purpose(c)discovery(d)endurance8.theword"they"inline36refersto6(a)yearsquestions10-217fromnaturalincrease.thedepressionofthe1930sandfifteenpercentinthefiveyearsfrom1951to1956.thisofincreasehadbeenexceededonlyoncebeforeincanadahistory,inthedecadebefore1911,whentheprairieswerebeingsettled.undoubtedly,thegoodeconomicconditionsofthe8birthratestoodat28perthousand,oneofthehighestintheworld.levelofbirthsduringthedepressionandthewar,butitalsocausedbychangesincanadiansociety.youngpeoplewerestayingatschoollonger,morewomenwereworking,youngmarriedcoupleswerebuyingautomobilesorhousesbeforestartingfamilies,risinglivingstandardswerecuttingdownthesizeoffamilies.itappearedthatcanadawasoncemorefallinginstepwiththetrendtowardsmallerfamiliesthathadoccurredallthroughthewesternworldsincethetime9oftheindustrialrevolution.the10.whatdoesthepassagemainlydiscuss?(a)educationalchangesincanadiansociety.(b)canadaduringthesecondworldwar(c)populationtrendsinpostwarcanada(d)standardsoflivingincanada11.accordingtothepassage,whendidcanadasbabyboombegin?(a)inthedecadeafter1911(b)after1945(c)duringthedepressionofthe1930s(d)in196613.theword"surging"inline5isclosestinmeaningto(a)new(b)extra(c)accelerating(d)surprising14.theauthorsuggeststhatincanadaduringthe1950s16.theword"peak"inline19isclosestinmeaningto17.whenwasthebirthrateincanadaatitslowestpostwarlevel?(a)peoplebeingbettereducated(b)peoplegettingmarriedearlier(c)betterstandardsofliving(d)couplesbuyinghouses(a)familieswerelarger20.theword"it"inline34refersto(a)horizon(a)behind(b)since(c)duringgrownandmarketedfoodproductsarenowbeingdebated.advocatesoforganicfoodsatermwhosemeaningvariesgreatlyfrequentlyproclaimthatsuchproductsaresaferandmorenutritiousthanothers.orofasonethingthatmostorganicallygrownfoodproductsseemtohaveincommonisthattheycostmorethanconventionallygrownfoods.butinmanycasesconsumersaremislediftheybelieveorganicfoodscanmaintainhealthandprovidebetternutritionalqualitythanconventionallygrownfoods.sothereisrealcauseforconcernifconsumers,particularlyandbuyonlyexpensiveorganicfoodsinstead.23.inline6,theword"others"refersto24.the"welcomedevelopment"mentionedinline8-9isanincreasein(a)interestinfoodsafety
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