新世纪大学英语综合教程4完形填空(close)答案及原文

《新世纪大学英语综合教程4完形填空(close)答案及原文》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。

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

2、ntheforestwassomethingwildandfrighteningtohim.veryoften,hewasunabletoobtainthemerestdailynecessitiesthoughheworkedtogetherwithothersstubbornlyandcollectivelywithhisimperfecttools,throughhisinteractionwithnature,manchangeditgradually.hecutdownforest,cultivatedland,transferredvariousspeciesofplantsan

3、danimalstodifferentclimaticconditions,changedtheshapeandclimateofhisenvironmentandtransformedpantsandanimals.hesubduedanddisciplinedelectricityandcompelledittoservetheinterestsofsociety.Nonetheless,withtheconstaexpansionofagricultureandindustry,manhasrobbednatureoftoomuchofitsirreplaceablresources,

4、polutedhisownlivingenvironmentandcausedabout95%ofthespeciesthathaveexistedoverthepast600millionyearstobecomeextinctandstillmanyotherstobeendangered.thepreviousdynamicbalancebetweenmanandnatureisonthevergeofbreakingdown.manisnowfacedwiththeproblemofhowtostop,oratleasttomoderatethedestructiveeffectof

5、technologyonnature.Thecrisisoftheecologicalsituationhasbecomeaglobalproblem.thesolutiontotheproblemdependsonrationalandwiseorganizationbothofproductionitselfandcareformothernature.thiscanonlybedonebyallhumanity,ratherthanbyindividuals,enterprisesorseparatecountries.2Technologyisahotissuenowadays.th

6、edefendersoftechnologystressitsadvantageswhiletheopponentsemphasizeitsdisadvantages.Neithersidehasevertakenthetimetolookattheoppositepointofview.Thedefendersoftechnologyholdthatwithtechnologypeopleslivingconditionshavebeengreatlyimproved.Forexampletheboominproductivityhasmadegoodsbetterandcheaper.T

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