2021年广州市花都区圆玄中学高三英语期中考试试卷及参考答案
2021年广州市花都区圆玄中学高三英语期中考试试卷及参考答案第一部分阅读（共两节，满分40分）第一节（共15小题；每小题2分，满分30分）阅读下列短文，从每题所给的A、B、C、D四个选项中选出最佳选项AAmidthecoronavirusoutbreak,theU.S.DepartmentofHomelandSecurityrecommendshavingatleastatwo-weeksupplyofwaterandfood.PotatoesShelflife：2to5weeksifstoredinacool,dry,darkplaceYukonGold,red,andfingerlingpotatoeswilllastfromtwotothreeweeks.Largerwhitepotatoescanlastforthreetofiveweeks.Sweetpotatoeshaveaboutthesameshelflife.Don'tstorethemnexttoonions,however.Thetwomightgotogetherwellincooking,butraw,eachgivesoffgasesandmoisturethatmightcausetheothertospoilfaster.Tea※Shelflife：6to12monthspast"sell-by"dateDriedtealeaves,whetherloose(inasealedcontainerorinteabags(inanunopenedboxcaneasilylastayearormoreifthey'renotsubjectedtodamporhumidity.However,theteadoestendtoloseflavorovertime.Peanuts●Shelflife：1to2monthsPeanutsintheirshell,especiallywhenkeptcoolanddry,areperfectlyhappyinthecupboardforaslongastwomonths.Cannedfruitsandvegetables●Shelflife：1to2yearspast"sell-by”dateCanningisanextremelyefficientmeansofpreservingfood.Generallyspeaking,ifcannedfoodsaren'tsubjectedtoextremeheat,theircontentsshouldstaygoodfortwoyearsormore.Beaware,however,ofdentedcansorthosewithswollentops,whichmayindicatethepresenceofbacteriainside.1.Whichcangobadfasterifstoredwithonions?A.Potatoes.B.Tea.C.Peanuts.D.Cannedfruitsandvegetables.2.Whatisspecialabouttea?
A.Theflavorofteacanalwaysremainthesame.B.Tealeavesarebettertobepreservedinanopenjar.C.Tealeavesshouldbekeptawayfromthestateofbeingwet.D.Themaximumlengthoftimethatteacanbestoredis6months.3.Whatmayshortenthe"sell-by”dateofcannedfoods?A.Shapesofcans.B.Categoriesoffoods.C.Declineofthetemperature.D.Exposuretohightemperature.BNextdoor，anonlinesocialnetworkforneighbors，saysithasattracted$60millionfromearlybackersoftechnologygiants，Google，AmazonandFacebook.Thenewinvestment，1edbyventurefirmKleinerPerkinsCaufield&ByersandinvestmentfirmTigerGlobalManagement，valuesNextdooratmorethan$500million，saidapersonfamiliarwiththematter.NextdoormembersmakeFacebook-stylepostings，givingorseekingrecommendationsforservicessuchasbabysittersandyardmaintenanceorlocalretailersandrestaurants.Theyalsopostaboutcommunityissuessuchasparking，crimeandsafety，oritemsforsaleorloan.Theinvestmentsumemphasizestheappealofbusinessesthatcantapintothegrowinguseofmobiledevices，aswellassocialnetworkingPerhapsthebestcurrentexampleisTwitter，whichispreparingforaninitialpublicofferingthatvaluesthecompanyatuptoabout$11billion.“We’reallspendingmoretimewithourscreens，moreengaged，butIthinkdatashowswe’relessconnected，”saidJohnDoerrofKleinerPerkins，mentioninghisownexperienceofknowingfewofhisneighbors.Nextdoor，withitsabilitytointroduceneighborstoeachother，helpspeopleregainthesenseofconnection，hesaid.