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Inventorsandinventions Unit3 UniversityofSussexscientistsworkingwithresearchersinBrazilhavefoundthefirstexampleofa soldier bee Theystudiedacommontropicalbee Tetragoniscaangustula inSaoPauloStateinBrazilwhereit sknownlocallyasJata Itnestsintreesandwallholes Eachnesthasonequeenandupto10 000workers InsectsocietiessuchastheJata sarecooperativeandselfless theworkerscaringforthenestandthequeen schildren Thislifestylealsoincludesthedivisionoflabouramongworkers Theresearchstatesthat Jata guardbeesare30percentheavierthantheirforagernest mates Theyareslightlydifferentfromforagersinshape withlargerlegsandsmallerheads Approximatelyonepercentofworkerbeesraisedinacolonyaresoldier sized Jata soldiersstandonthenestentrancetubeandalsoflyaroundneartheentrancewheretheyprovide earlywarning detectionofenemyattack Likeothersocialinsects Jata useguardworkerstoprotectthenest Apreviousstudybytheteamhadshownthattheseguardswerespecialiststhatperformedguardingdutiesforfarlonger uptothreeweeks thanothertypesofworkerbees suchasthehoneybees whospendjustonedayguardingthenest progressingtoothertasksastheygetolder ThenewresearchshowsthatJata guards unliketheirhoneybeecounterparts arephysicallyspecializedtoperformaparticulartask Havinglarger bodiedguardsisimportantfornest defense asthey rebetteratfightingoneofJata smainenemies therobberbeeLestrimelittalimao whichcankilloffmanycolonieswhenattackingnestsforfood EventhoughtheJata guardlacksastingandiseventuallykilled itcanknockitsheadontothewingofarobberbee preventingitfromflying Large bodiedsoldierworkershavelongbeenknowninantsandwhiteants butthisisthefirstevidenceofa soldier bee 文章大意 本文主要介紹了研究人員首次發(fā)現(xiàn)蜂群中也有 兵蜂 1 WhatdoweknowaboutTetragoniscaangustula A Ithasnosting B Itlivesinforests C Itisarareinsect D Ithasasmallfamily 答案 A細(xì)節(jié)理解題 由最后一段中的 theJata guardlacksasting可知A項(xiàng)正確 2 Theunderlinedword counterparts mostprobablyrefersto A workersB foragersC robbersD guards答案 D詞義猜測(cè)題 結(jié)合上文內(nèi)容可知 此處是把Jata guards和履行保衛(wèi)工作的honeybees進(jìn)行比較 因此 此處的counterparts是指guards 3 ItcanbeinferredthattheJata guards A areveryselflessandbraveB caneasilydefeattheirenemiesC aretheonlyguardsintheircolonyD willtakeonothertaskswhengettingold答案 A推理判斷題 由第二段中的InsectsocietiessuchastheJata sarecooperativeandselfless以及最后一段的EventhoughtheJata guardlacksastingandiseventuallykilled itcanknockitsheadontothewingofarobberbee preventingitfromflying 可知A項(xiàng)正確 4 Whatwouldbethebesttitleforthetext A TheDivisionofLabourinBeesB ScientistsDiscoverSoldierBeesC SoldierWorkersinInsectSocietiesD HowaSoldierBeeDefendsItsNest答案 B主旨大意題 通讀全文可知 本文主要介紹了研究人員的一項(xiàng)新發(fā)現(xiàn) 即蜂群中也有 兵蜂 故選B項(xiàng)