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1、201712六级选词填空真题（1）Inthepast12months,Nigeriahassufferedfromashrinkingeconomy,aslidingcurrency,andaprolongedfuelshortage.Now,Africa'slargesteconomyisfacingafoodcrisisasmajortomatofieldshavebeendestroyedbyaninsect,leadingtoanationwideshortageandescalatingprices.Theinsect,Tutaabsolu
2、ta,hasdestroyed80%offarmsinKaduna,Nigeria'slargesttomato-producingstate,leadingthegovernmenttheretodeclareastateof26.Theinsect,alsoknownasthetomatoleafminer,devastatescropsby27onfruitsanddiggingintoandmovingthroughstalks.It28incrediblyquickly,breedingupto12generationsperyearifc
3、onditionsarefavorable.Itisbelievedtohave29inSouthAmericaintheearly1900s,andlaterspreadtoEuropebeforecrossingovertosub-SaharanAfrica.InNigeria,wheretomatoesareastapleoflocaldiets,theinsect'seffectsaredevastating.Retailpricesfora30oftomatoesatlocalmarketshaverisenfrom$0.50to$2.50
4、.Farmersarereportingsteeplossesandanew$20milliontomato-pastefactoryhas31productionduetotheshortages.Giventhemoth'sabilityalsotoattackcropslikepepperandpotatoes,AuduOgbeh,Nigeria'sministerofagriculture,haswarnedthatthepestmay"createseriousproblemsforfood32inthecountry.Ogbehsayse
5、xpertsareinvestigatinghowtocontrolthepest'sdamageandpreventitsspread,whichhasgonelargely33untilnow.Despitebeingthecontinent'ssecond-largestproduceroftomatoes,Nigeriais34on$1billionworthoftomato-pasteimportseveryyear,asaround75%ofthelocalharvestgoestowastethankstoalackofproperst
6、oragefacilities.Afurther35inlocalsuppliesisyetanotherunwelcomesetbacktotheindustry.A)dependentB)embarkingC)emergencyD)feedingE)grazes啃食，放牧F)halted停止G)handful一把H)multitude群，多数I)originatedJ)reductionK)reproduces复制，再生，繁殖L)securityM)terrorN)unchecked未经核对的，未加抑制的O)untouched201712六级选词
7、填空真题（2）ThePacificislandnationofPalauhasbecomehometothesixthlargestmarinesanctuaryintheworld.Thenewmarinereserve,nowthelargestinthePacific,will26nofishingormining.Palaualsoestablishedtheworld‘sfirstsharksanctuary避难所in2009.Thetinyislandnationhassetaside500,000squarekilometres—80p
8、ercent—ofitsmaritime27,forfullprotection.That'sthehigh
