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1、Unit7TheSea阅读理解AVinegarmakessalad,friesanddumplingstastebetter,andyoucanevenuseittocleanyourwindows.Andnow,accordingtoscientists,itmayeventheplanet’spopulationsurviveclimatechange.ResearchersfromtheRIKENCenterforSustainableResourceScience(CSRS)inJapanfoundthatgrowingpla
2、ntsinvinegarmakesthemmoreresistanttodroughts.Thiscouldmeanthatinthefuture,worriesaboutclimatechangeaffectingtheworld’ssupplyoffoodwillbemuchlower.ThediscoverywasmadeaftertheresearchersstudiedtheArabidopsis,aplantknownforitsabilitytosurviveindryweather.Itwasfoundthatwhen
3、theplantwasplacedindrought-likeconditions,itproducedachemicalcalledacetate（醋酸盐）—themainponentofvinegar.Afterdiscoveringthis,thescientistsexperimentedfurtherbyaddingacetatetothesoilofotherplants,beforetheystoppedgivingthemwaterpletely.Afterleavingtheplantsfor14days,theyf
4、oundthattheonestreatedwithacetatehadsurvived,whiletheuntreatedplantshaddriedupanddied.It’shopedthatthissimplemethodofsurvivalcouldsoonbeusedtohelpfarmersindrycountrieskeeptheircropsalive."Intheexperiment,wetargetedthestaplefoodsoftheworld—rice,wheatandmaize—andthebasicp
5、lantofbreedingspecies,rapeseed（油菜籽）,"JongMyongKim,co-authorofthestudy,toldPopularSciencemagazine.Kimalsotoldthemagazinehe’salreadybeenintouchwithpeopleallovertheworldwhoareinterestedintryingthissimpleandcost-effectivemethodoutforthemselvesfromflowergrowingpaniestoamateu
6、rgardeners.Althoughatthispointkeepingthirstyplantsaliveisn’taseasyasjustpouringvinegaroverthem,Kimsaidheandhisteamareworkingonmakingtheprocessassimpleaspossible."Nowwearetryingtocooperatewithsomefarmers,andalsosomepanies,tomakeamethodtoapplythissystem,"hesaid.Andforthos
7、eofuswhoalwaysforgettoaskourneighborstowaterourplantswhenwegoaway,hopefullythismeanstheendofreturninghomefromatriptofindourfavoriteflowershavedied.1.Whatisthearticlemainlyabout?A.Theworld’sfoodsupplywillbeincreased.B.Plantsbettersurvivedroughts.C.TheArabidopsisisresista
8、nttodroughts.D.Vinegarcouldbeusedtofightdroughts.2.Itwasdiscoveredthatacetatecan.A.beusedbyfarmerstoreplacesoi
