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1、职称英语等级考试理工AB精讲班课程第五讲完型填空本讲主要内容：1．2008年职称英语词汇大纲新增内容（2）；2．2008年理工AB级完型填空推荐文章；3．完型填空在线作业；Ø2008年职称英语词汇大纲新增内容（2）：2008年《职称英语等级考试大纲》上新增首字母为B的单词：C级：beware(当心，小心)（比较：aware/知道的，意识到的，ware/制造品，hardware/硬件，software/软件）beawareof…/beconsciousof…/知道，意识到e.g.Bewareofthecomputer（计算机）v
2、irus（病毒）.当心计算机病毒bewareof–becarefulof当心，注意bioengineer(生物工程师)比较：biotechnology生物技术gene遗传基因，clone克隆A级：blunder(大错)blunder–error–mistake错误makeablunder/mistake/errore.g.Toerrishuman.人非圣人，孰能无过。Ø2008年理工AB完型填空推荐文章；DebateovertheuseofRenewableenergyAusubelofRockefellerUniversit
3、yinNewYork,US.saysthekeyrenewableenergysources,includingsun,windandbiofuels,wouldallrequirevast1oflandifdevelopeduptolargescaleproduction1–unlikenuclearpower.Thatlandwouldbefarbetterleftalone2,hesays.Renewableslookattractivewhentheyarequite2.Butifwestartproducingren
4、ewableenergyonalargescale,thefalloutisgoingtobehorrible.Instead,Ausubelargues3reneweddevelopmentofnuclear.10Ausubeldrawshisconclusionsbyanalysingtheamountofenergyrenewables,naturalgasandnuclearcanproduceintermsofpowerpersquaremetreoflandused3.Moreover,heclaimsthatas
5、renewableenergyuseincreases,thismeasureofefficiency4will4asthebestlandforwind,biofuels,andsolarpowergetsusedup.Usingbiofuelstoobtainthe5amountofenergyasa1000megawattnuclearpowerplantwouldrequire2500squarekilometresoffarm6,Ausubelsays."Weshouldbesparinglandfornature5
6、,notusingitaspastureforcarsandtrucks,"headds.Solarpowerismuchmoreefficientthanbiofuelintermsoftheareaofland7,butitwouldstillrequire150squarekilometresofphotovoltaiccellsto8theenergyproductionofthe1000MWnuclearplant.Inanotherexample,hesaysmeetingthe2005USelectricityd
7、emandviawindpoweralonewouldneed780,000squarekilometres,anareathesizeofTexas.However,severalexpertsarehighlycritical9Ausubel’sconclusions.JohnTurneroftheUSgovernment’sNationalRenewableEnergyLaboratorysaysthat10theUSgotallofitspowerfromsolarenergy,itwouldstillneedless
8、thanhalftheamountoflandthathasbeenpavedoverforhighways.Further,itneednot11additionalland.TheUScouldgetaquarterofitsenergyjustfromcoveringr
