2019高考英语一轮复习练习题unit1alandofdiversity含解析新人教版选修8

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1、Alandofdiversity李仕才一、阅读理解Vinegarmakessalad,friesanddumplingstastebetter,andyoucanevenuseittocleanyourwindows.Andnow,accordingtoscientists,itmayeventheplanet"spopulat1onsurviveclimatechange.ResearchersfromtheRIKENCenterforSustainableResourceScience（CSRS）inJ

2、apanfoundthatgrowingplantsinvinegarmakesthemmoreresistanttodroughts・Thiscouldmeanthatinthefuture,worriesaboutclimatechangeaffectingtheworld"ssupplyoffoodwillbemuchlower

3、urviveindryweather.Itwasfoundthatwhentheplantwasplacedindrought-likeconditions,itproducedachemicalcalledacetate（醋酸盐）一themaincomponcntofvinegar・Afterdiscoveringthis,thescientistsexperimentedfurtherbyacidingacetatetothesoilofotherplants,beforetheystoppedgivi

4、ngthemwatercompletely.After1eavingtheplantsfor14days,theyfoundthattheonestreatedwithacetatehadsurvived,whiletheuntreatedplantshaddriedupanddied・It"shopedthatthissimplemethodofsurvivalcouldsoonbeusedtohelpfarmersindrycountrieskeeptheircropsalive."Intheexper

5、iment,wetargetedthestaplefoodsoftheworld—rice,wheatandmaize—andthebasicplantofbreedingspecies,rapeseed（油菜籽）JongMyongKim,co-authorofthestudy,toldPopularScieneemagazine・Kimalsotoldthemagazinehe，salreadybeenintouchwithpeopleallovertheworldwhoareinterestedintr

6、yingthissimpleandcost-effectivemethodoutforthemselvesfromflowergrowingcompaniestoamateurgardeners.Althoughatthispointkeepingthirstyplantsaliveisn"taseasyasjustpouringvinegaroverthem,Kimsaidheandhisteamareworkingonmakingtheprocessassimpleaspossible."Nowwear

7、etryingtocooperatewithsomefarmers,andalsosomecompanies,tomakeamethodtoapplythissystem,〃hesaid・Andforthoseofuswhoalwaysforgettoaskourneighborstowaterourplantswhenwegoaway,hopefullythismeanstheenclofreturninghomefromatriptofindourfavoriteflowershavedied.1.Wh

8、atisthearticlemainlyabout?A.Theworld?sfoodsupplywillbeincreased.B.Plantsbettersurvivedroughts・C・TheArabidopsisisresistanttodroughts.D・Vinegarcouldbeusedtofightdroughts.1.Ttwasdiscoveredthatacetatecan.A.beused