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群Password:七分 、公 @梅晗 最~ ~高聽 分 且高聽營 且營惜 惜2期 期 且 聽營第二篇猛 營 Accidentin 且期 且期聽 聽且 且第二篇人的努力更大程度決定人的成 且 聽 且 珍 且 且聽 聽且 且第二篇小提 一、單詞不認(rèn) 且二、句子讀不 聽三、 且四、做不出答 珍五、時(shí)間不夠 六、正確率太七 做完一、單詞不認(rèn) 2300詞雅思詞匯勝 Bro.白洋定/腚原解題方突破技對(duì)應(yīng)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 聽aqueducts.AttheheightoftheRomanEmpire,聽majorsystemswithaninnovativelayoutofpipes 營well-built dtheoccupantsofRome 營asmuchwater asisprovidedinmanyoftheindustrialworldtoday. ~BDuringtheindustrialrevolutionandpopulation explosionofthe19thand20thcenturies,thedemandfor~waterrosedramatically.Unprecedentedconstruction且高tensofthousandsofmonumentalengineering 且高designedtocontrolfloods,protectclean 聽andprovidewaterforirrigationandhydropower聽greatbenefitstohundredsofmillionsofpeople productionhaskeptpacewithsoaringpopulationsmainly且becauseoftheexpansionofartificialirrigation thatmakepossiblethegrowthof40%oftheworld'sfood.Nearlyonefifthofalltheelectricitygeneratedworldwide isproducedbyturbinesspunbythepowerof期CYetthereisadarksidetothispicture:despiteour progress,halfoftheworld'spopulationstillsuffers, 期waterservicesinferiortothoseavailabletothe且GreeksandRomans.AstheUnitedNationsreport且accesstowater tedinNovember2001more onebillionpeoplelackaccesstocleandrinking 聽且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 聽且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 聽且atwhichpeoplewithdrawwaterfromaquifers,且andlakeshasslowed.Andinafewpartsofthe demandhasactually 惜最GWhatex insthisremarkableturnofevents?Twofactors:peoplehavefiguredouthowtousewatermore最~efficientlyandcommunitiesarerethinkingtheir ~forwateruse.Throughoutthefirstthree-quartersof tyoffreshwaterconsumeddoubledonaverageintheUSA,water 高聽 高聽since1980,theamountofwaterconsumed actuallydecreased,thankstoarangeof 營thathelptoconservewaterinhomesandindustryIn1965,營珍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 聽且thaninthepast.Andeveninregionswhere且projectsseemwarranted,wemustfindwaystomeet demandswithfewe

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