【威学教育】王鑫托福阅读T

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1、【王鑫托福阅读】托福TPO4-3阅读文本F.TP04TP04-3PetroleumResources1.Theword"accumulateninthepassageisclosestinmeaningtoA・growupB.buildupC.spreadoutD.breakapart2・Accordingtoparagraph1,whichofthefollowingistrueaboutpetroleumformation?A.Microscopicorganismsthatliveinmudproducecrudeoi1andnaturalgas.

2、B・Largoamountsofoxygcnareneededforpetroleumformationtobegin.C.Petroleumisproducedwhenorganicmaterialinsedimcntscombinoswithdecayingmarineorganisms.D.Petroleumformationappearstobegininmarinesedimentswhereorganicmatterispresent・3・Inparagraphs1and2,theauthorsprimarypurposeistoA.desc

3、ribehowpetroleumisformedB.explainwhypetroleumformat!onisaslowprocessA.provideevidencethatamarineenvironmentisnecessaryforpetroleumformationD・showthatoilcommonlyoccursinassociationwithgas4.Whichofthesentencesbelowbestexpressestheessentialinformationinthehighlightedsenteneeinthepas

4、sage?Incorrectchoiceschangethemcaninginimportantwaysorleaveoutessentialinformation.A・Highertemperaturesandpressurespromotesedimentation,whichisresponsibleforpetroleumformation.A.Depositsofsedimentsontopoforganicmatterincreasethetemperatureofandpressureonthematter・B.Increasepressu

5、reandheatfromtheweightofthesedimentturntheorganicremainsintopetroleum.C.Therema.insofmicroscopicorganismstransformintopetroleumoncetheyareburiedundermud・Petroleum,consistingofcrudeoilandnaturalgas,seemstooriginatefromorganicmatterinmarinesediment.Microscopicorganismssettletothese

6、afloorandaccumulateinmarinemud.Theorganicmattermaypartiallydecompose,usingupthedissolvedoxygeninthesediment.Assoonastheoxygenisgone,decaystopsandtheremainingorganicmatterispreserved・Continuedsedimentation—theprocessofdeposits'settlingontheseabottom—buriestheorganicmatterandsubjec

7、tsittohighertemperaturesandpressures,whichconverttheorganicmattertooilandgas.Asmuddysedimentsarepressedtogether,thegasandsmalldropletsofoilmaybesqueezedoutofthemudandmaymoveintosandylayersnearby・Overlongperiodsoftime(millionsofyears),accumulationsofgasandoi1cancollectinthesandyla

8、yers-Bothoi1andgasarelessdensethanwater,