托福词汇题练习tpo题集.doc词汇题练****一tpol-7Theword"precious",thePakicetusfossilprovidespreciousdetailsontheoriginsof……Theword"exposed" ,Basilosaurus,werefoundinsedimentsleftby..."propulsion",however;thatitswamlikemodernwhalesbymovingtherearportionofitsbodyupanddown,"threatened"--fourthoftheEarth'"delicate""progressively""devoidof〃,"readily",however,watedtomaximizetheirprofits,whichtheycoulddomorereadilybyprojectingahandfuloffilmstoahundredsofcustomersatatime....Theword"assistance"...withtheassistanceofEdison'sformerassistant……Theword"e
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