新世纪大学英语综合教程4完形填空(close)答案及原文.docx

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1、Close1Manhasabloodtiewithnatureandnobodycanliveoutsidenature.Natureprovidesuswithweneed:theairwebreathe,thewaterwedrink,andthefoodweeat.Forquitealongtimeaftermanbegantoliveintherealmofnature,helivedinfearofitsdestructiveforces.heusedtoregardnaturewithitselementalforcesassomethinghostiletohim.Andev

2、entheforestwassomethingwildandfrighteningtohim.veryoften,hewasunabletoobtainthemerestdailynecessitiesthoughheworkedtogetherwithothersstubbornlyandcollectivelywithhisimperfecttools,throughhisinteractionwithnature,manchangeditgradually.hecutdownforest,cultivatedland,transferredvariousspeciesofplants

3、andanimalstodifferentclimaticconditions,changedtheshapeandclimateofhisenvironmentandtransformedpantsandanimals.hesubduedanddisciplinedelectricityandcompelledittoservetheinterestsofsociety.Nonetheless,withtheconstaexpansionofagricultureandindustry,manhasrobbednatureoftoomuchofitsirreplaceablresourc

4、es,polutedhisownlivingenvironmentandcausedabout95%ofthespeciesthathaveexistedoverthepast600millionyearstobecomeextinctandstillmanyotherstobeendangered.thepreviousdynamicbalancebetweenmanandnatureisonthevergeofbreakingdown.manisnowfacedwiththeproblemofhowtostop,oratleasttomoderatethedestructiveeffe

5、ctoftechnologyonnature.Thecrisisoftheecologicalsituationhasbecomeaglobalproblem.thesolutiontotheproblemdependsonrationalandwiseorganizationbothofproductionitselfandcareformothernature.thiscanonlybedonebyallhumanity,ratherthanbyindividuals,enterprisesorseparatecountries.2Technologyisahotissuenowada

6、ys.thedefendersoftechnologystressitsadvantageswhiletheopponentsemphasizeitsdisadvantages.Neithersidehasevertakenthetimetolookattheoppositepointofview.Thedefendersoftechnologyholdthatwithtechnologypeopleslivingconditionshavebeengreatlyimproved.Forexampletheboominproductivityhasmadegoodsbetterandche

7、aper.Therefore，tingsthatwereonceluxuries，suchasjettravelandlong-distancephonecallshavebecomenecessities.Medicaltechnologyinparticularhasbenefitedusalot，especiallyinprolonginglifeexpectancy.Ontheotherhand，theoppon