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群Password:七分 、公 @梅晗 最~ ~高听 分 且高听营 且营惜 惜2期 期 且 听营第二篇猛 营 Accidentin 且期 且期听 听且 且第二篇人的努力更大程度决定人的成 且 听 且 珍 且 且听 听且 且第二篇小提 一、单词不认 且二、句子读不 听三、 且四、做不出答 珍五、时间不够 六、正确率太七 做完一、单词不认 2300词雅思词汇胜 Bro.白洋定/腚原解题方突破技对应原七 做完 1.Tocombattherecentlyreporteddramaticriseincheatingamongcollegestudents,collegesanduniversitiesshouldadopthonorcodessimilartoGroveton's,whichcallsforstudentstoagreenottocheatintheiracademicendeavorsandtonotifyafacultymemberifthey thatothershavecheated.2.Groveton'shonorcodere cedanold-fashionedsysteminwhichteacherscloselymonitoredstudents.3.Underthatsystem,teachersreportedanaverageofthirtycasesofcheatingperyear.4.Thehonorcodehasprovenfarmoresuccessful:inthefirstyearitwasin ce,studentsreportedtwenty-onecasesofcheating;fiveyearslater,thisfigurehaddroppedtofourteen.5.Moreover,inarecentsurveyconductedbytheGrovetonhonorcouncil,amajorityofstudentssaidthattheywouldbelesslikelytocheatwithanhonorcodein thanwithout."C7T1P2~AThehistoryofhumancivilisationisentwinedwiththe historyofthewayswehavelearnedtomanipulate~且期waterresources.Astownsgraduallyexpanded,waterwasbroughtfromincreasinglyremotesources,leading且期tosophisticatedengineeringeffortssuchasdams 听aqueducts.AttheheightoftheRomanEmpire,听majorsystemswithaninnovativelayoutofpipes 营well-built dtheoccupantsofRome 营asmuchwater asisprovidedinmanyoftheindustrialworldtoday. ~BDuringtheindustrialrevolutionandpopulation explosionofthe19thand20thcenturies,thedemandfor~waterrosedramatically.Unprecedentedconstruction且高tensofthousandsofmonumentalengineering 且高designedtocontrolfloods,protectclean 听andprovidewaterforirrigationandhydropower听greatbenefitstohundredsofmillionsofpeople productionhaskeptpacewithsoaringpopulationsmainly且becauseoftheexpansionofartificialirrigation thatmakepossiblethegrowthof40%oftheworld'sfood.Nearlyonefifthofalltheelectricitygeneratedworldwide isproducedbyturbinesspunbythepowerof期CYetthereisadarksidetothispicture:despiteour progress,halfoftheworld'spopulationstillsuffers, 期waterservicesinferiortothoseavailabletothe且GreeksandRomans.AstheUnitedNationsreport且accesstowater tedinNovember2001more onebillionpeoplelackaccesstocleandrinking 听且sometwoandahalfbilliondonothave且惜sanitationservices.Preventablewater-relateddiseases killanestimated10,000to20,000childreneveryday, andthelatestevidencesuggeststhatwearefalling惜behindineffortstosolvethese后DTheconsequencesofourwaterpolicies 后beyondjeopardisinghumanhealth.Tensofmillionspeoplehave dtomovefromtheirhomes期oftenwithlittlewarningorcompensation-tomake 期forthereservoirsbehinddams.Morethan20%of且freshwaterfishspeciesarenowthreatened且endangeredbecausedamsandwaterwithdrawals destroyed -flowingriverecosystemswhere 听且thrive.Certainirrigationpracticesdegradesoilquality且reduceagriculturalproductivityGroundwater 惜arebeingpumpeddownfasterthantheyare 惜replenishedinparts ,theUSAelsewhere.Anddisputesoversharedwaterresourceshaveledto andcontinuetoraiselocal,nationalandeveninternationaltensions.EAttheoutsetofthenewmillennium,however, 后way nnersthinkaboutwaterisbeginning后change.Thefocusisslowlyshiftingbackto期provisionofbasichumanandenvironmentalneeds 期toppriority-ensuring'someforall,'insteadof'more且some'.Somewaterexpertsarenowdemanding且existinginfrastructurebeusedinsmarterways 分且thanbuildingnewfacilities,whichis 分且consideredtheoptionoflast,notfirst,resort.This惜inphilosophyhasnotbeenuniversallyaccepted,andit comeswithstrongoppositionfromsomeestablished waterorganisations.Nevertheless,itmaybetheonly惜waytoaddresssuccessfullythepressingproblemsofprovidingeveryonewithcleanwatertodrink,adequatewatertogrowfoodandalife frompreventablewater-relatedillness.期FFortunay-andunexpectedly-thedemandfor waterisnotrisingasrapidlyassomepredicted.As 期result,thepressuretobuildnewwater且hasdiminishedoverthepasttwodecades.且populationindustrialoutputandeconomic tosoarindevelopednationsthe 听且atwhichpeoplewithdrawwaterfromaquifers,且andlakeshasslowed.Andinafewpartsofthe demandhasactually 惜最GWhatex insthisremarkableturnofevents?Twofactors:peoplehavefiguredouthowtousewatermore最~efficientlyandcommunitiesarerethinkingtheir ~forwateruse.Throughoutthefirstthree-quartersof tyoffreshwaterconsumeddoubledonaverageintheUSA,water 高听 高听since1980,theamountofwaterconsumed actuallydecreased,thankstoarangeof 营thathelptoconservewaterinhomesandindustryIn1965,营珍forinstance,Japanused y13million珍惜ofwatertoproduce$1millionofcommercialoutput;by1989thishaddroppedto3.5milliongallons(evenaccountingforinflation)-almostaquadruplingofwaterproductivity.IntheUSA,waterwithdrawalshavefallenbymorethan20%fromtheirpeakin1980.惜期HOntheotherhand,dams,aqueductsandother kindsofinfrastructurewillstillhavetobe 期particularlyin countrieswhere且humanneedshavenotbeenmet.Butsuch且mustbebuilttohigherspecificationsandwith accountabilitytolocalpeopleandtheir 听且thaninthepast.Andeveninregionswhere且projectsseemwarranted,wemustfindwaystomeet demandswithfewe
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