《新目标英语中考二轮复习》中考英语复习：难度较大的阅读文章含答案（五）

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1、第一篇“Salty"RicePlantBoostsHarvestsBritishscientistsarebreedinganewgenerationofriceplantsthatwillbeabletogrowinsoilcontainingsaltwater.Theirworkmayenableabandonedfarmstobecomeproductiveoncemore・TimFlowersandTonyYeo,fromSussexUniversity'sSchoolofBiologicalSciences,havespentsever

2、alyearsresearchinghowcrops,suchasrice,couldbemadetogrowinwaterthathasbecomesalty.Thepairhaverecentlybegunathree-yearprogramme,fundedbytheBiotechnologyandBiologicalSciencesResearchCouncihtoestablishwhichgenesenablesomeplantstosurvivesaltyconditions.Theaimistobreedthiscapabilit

3、yintocrops,startingwithrice.Itisestimatedthateachyearmorethan10mhectares（公顷）ofagriculturallandarelostbecausesaltgetsintothesoilandstunts（妨召导生长）plants.Theproblemiscausedbyseveralfactors.Inthetropics,mangroves（红树木木）thatcreateswampsG召泽）andtraditionallyformedbarrierstoseawaterhav

4、ebeencutdown.IntheMediterranean,aseriesofdroughtshavecausedthewatertabletodrop,allowingseawatertoseep（渗透）in.inLatinAmerica,irrigationoftencausesproblemswhenwaterisevaporated（蒸发）bytheheat,leavingsaltdepositsbehind・Excesssaltthenenterstheplantsandpreventsthemfunctioningnormally

5、・Heavyconcentrationsofmineralsintheplantsstopthemdrawingupthewatertheyneedtosurvive・Toovercometheseproblems,FlowersandYeodecidedtobreedriceplantsthattakeinverylittleslatandstorewhattheydoabsorbincellsthatdonotaffecttheplants4growth.Theyhavestartedtobreedthesecharacteristicsin

6、toanewricecrop,butitwilltakeabouteightharvestsbeforetheresultingseedsarereadytobeconsideredforcommercialuse.Oncethecharacteristicsforsurvivingsaltysoilareknown,FlowersandYeowilltrytobreedtheappropriategenesintoallmannersofcropsandplants.Landthathasbeenabandonedtonaturewillthe

7、nbeabletobloomagain,providingmuchneededfoodinthepoorercountriesoftheworld・31WhichofthefollowingstatementsaboutFlowersandYeoistrue?ATheyarestudentsatSussexUniversity・BTheyarericebreeders.CTheyarehusbandandwife・DTheyarecolleaguesataninstitutionofhigherlearning・32FlowersandYeoha

8、vestartedaprogrammeAtofindwaystopreventwaterpollution.Btoidentifygen