2023届高考英语三轮复习阅读理解七选五冲刺训练:说明文篇 (7)学案(含答案).pdf

2023届高考英语三轮复习阅读理解七选五冲刺训练:说明文篇 (7)学案(含答案).pdf

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2023届高考英语三轮复习阅读理解七选五冲刺训练:

说明文篇(7)

①滴灌和水培农业

【题目】

Agriculturehascomealongwayfromitsancientbeginnings.Longago,farmers

wouldworkhardontheirindividualplotsofland,usingsimpletoolsoreventheir

barehands.Theytendedtotheircropsformanyhourseachdaysothatthecrops

grewwell.____1____Forexample,asinglestormcoulddestroyawholeyear’swork,

whileasummerofgoodweathercouldensureagoodharvest.

Modernscienceandtechnologyhavehelpedtogreatlyreducetheback-breaking

labourinvolvedinfarming,alongwiththerelianceonluckandguesswork.____2____

Probablyoneofthemostbeneficialinnovationsisdripirrigation,whichhas

madeitpossibletodevelopbig,greenfarmsinthemiddleofthedesert.Simcha

Blass,anIsraeliscientist,discoveredthisnewwayofirrigationinthe1930s.

Throughthisdiscovery,farmerscannowproducecropsondrylandwithoutneeding

muchwater.____3____Thelimitedandfocuseduseofjusttherightamountofwater

alsodeniesmoisture(水分)toweeds,keepingthemfromharmingthecrops.

____4____However,whatifanareahasplentyofwater,butlittleusablesoil?

Asitturnsout,itispossibletogrowplantswithoutusingsoilatall.With

hydroponics(水培),plantrootsaresupportedbyrocksorafibermat.Nutrient-rich

wateristhenprovidedsothattheplantscangrow.Recentresearchhascentered

onverticalhydroponicsfarming.Withaverticalfarm,thecropsareplantedin

containersthatarepiledintoplantskyscrapers.____5____

Withsuchtechnologicaladvances,theimageofafarmerpushingaploughwill

eventuallybecomeathingofthepast.

A.Luckplayedagreatpartinfarming.

B.Someareaswouldbetoodrytogrowcrops.

C.Dri

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