小学、初中、高中各种试卷真题知识归纳文案合同PPT等免费下载www.doc985.com练习22语法填空＋阅读理解Ⅰ.语法填空2021·浙江省绍兴市诊断性考试说明文212词★★☆☆☆Ifyoualwayshatecertainvegetables,youmaybemorethanapickyeater.Instead,youmightbea“super－taster”，aperson__1__bittergenes(苦味基因).Thosewhohavethe“bittergenes”are2.6timesmorelikelytoeat__2__(few)vegetablesthanothers,accordingtoanewstudy__3__(present)atanannualmeeting.“Wedon'tgetthetasteoffoodequally，”saidprofessorDuffy,afoodtasteexpert.“Itcouldexplainsomeofthedifferencesinourfood__4__(prefer).”Abouthalfofuscantastebitterandsweet,sowearenotespeciallysensitivetobitterfood.Another25%arecalled“non－tasters”，to__5__bitterfoodmightactuallybeabitsweeter.Therestofusare__6__(extreme)sensitivetothebitternessthatsome__7__(plant)developtokeepanimalsfromeatingthem.Foodscientistsaretryingtodevelopwaysto__8__(reduce)thebitternessinvegetables,hopingthatwecankeepsuper－tastersfromrejectingvegetables.Infact,somevegetableswegrowtoday__9__(be)muchsweeterthanbefore.Wemightalsotrytousevariouscookingmethods,eitherbyaddingsomefat,sweetness,strongflavorslikegarlic__10__roastingthem,toimprovethetasteofthevegetables.Ⅱ.阅读理解A2021·河北衡水中学联考说明文335词★★★☆☆Forthefirsttime,arathaswonaBritishaidgroup'stopawardforanimalbravery.Theanimalisbeinghonoredforitsworksearchingoutunexplodedlandmines(地雷)inCambodia.MagawawasborninTanzaniain2014,andhe'salittlebiggerthannormalrats.Magawaandseveralotherratsarepartofthe“HeroRat”programrunbyagroupcalledAPOPO.Becausetheratsaresolight,there'slittledangerthattheywillcauseaccidentswhileworking.FromayoungagehewastrainedtosniffoutTNT(炸药).Thetrainingnormallytakesaboutayear.Magawa'smainjobistosniffoutakindofbomb,knownasalandminewhichishidden,usuallyunderground.InCambodia,whereMagawaworks,landmineswerecommonduringlongperiodsofcivilwar.Since1979,thesemineshavekilledorinjuredover64，000小学、初中、高中各种试卷真题知识归纳文案合同PPT等免费下载www.doc985.com小学、初中、高中各种试卷真题知识归纳文案合同PPT等免费下载www.doc985.compeople.Magawaistakenouttoaminefield,whichhecarefullygoesover,sectionbysection.Magawa'smaster,Malen,guideshimcarefullyacrossthefieldonaleash(皮带).WhenMagawafindsalandmine,hescratchesatthedirtaboveit,wigwaggingthathe'sfoundsomething.Becausetheratsworkbysniffing,they'reveryfast.ItonlytakesMagawa30minutestosearchanareaasbigasatenniscourt.Ahumandoingthesamejobwouldtakefourdays.MalensaysthatMagawaandhiscolleaguesareveryconfidentinthefield.Heworksquicklyandiseasilyabletomakedecisionsaboutwhethersomethingisadangerornot.Magawaisthestarsnifferofthe“HeroRat”program.He'sfound39landminesand28bombsthatweredroppedfromplanes,butneverexploded.1．WhatmadeMagawajoininthe“HeroRat”program?A．Hisbeneficialbirthplace.B．Hisgreatachievements.C．Hisstricttraining.D．Hisbeinglightinweight.2．Whatdoestheunderlinedword“wigwagging”meaninParagraph4?A．Signaling.B．Pretending.C．Remembering.D．Accepting.3．WhatcanbeinferredaboutMagawawhenheisworking?A．Hefindsaminefieldineffectively.B．Hemakesaccuratejudgments.C．Hehasotherratsactconfidently.D．Hespendsmostofhistimediggingdirt.4．Whereisthetextprobablytakenfrom?A．Atextbook.B．Anovel.C．Anewspaper.D．Adiary.B2021·东北师范大学附中摸底考试说明文328词★★☆☆☆Asweallknow,mostanimalsonlyperformtrickswhengiventreats.However,Kim,theworld'sfirstspide...