21世紀(jì)報(bào)高一版【教案】Soap science beats away bug bites

2022-23學(xué)年度第44期總第913期(6版)Soapsciencebeatsawaybugbites(P6)吉林毓文中學(xué)姜曉琳I.Lead-inDoyouattractmosquitoesmoreeasilythanothers?Whatdoyouthinkmakesyoumoreattractivetomosquitoes?Whatwaysdoyouusetokeepthemaway?II.ReadforstructureReadthetextforthestructure.Part1:Paras1-4:AresearchstudyontherelationshipbetweenchemicalsinsoapandmosquitoesPart2:Paras5-6:AteststudyonhowmosquitoesfindhumansPart3:Para7:ThebenefitsoftherecentresearchIII.ReadindetailReadthetextandanswerthefollowingquestions.1.WhatistheresultoftheresearchmadebyresearchersfromVirginiaTechintheUS?Theresearchersdiscoveredseveralchemicalsinthesoapthatcaninfluencethemosquitoes’“choiceoffood”.Twochemicals,onewiththesmellofcoconutandanotherwiththescentofflowers,cankeeptheinsectsaway.Theteamalsofoundthatwhatmatterstomosquitoesisnotjustthechemicals,butratherthecombinationofchemicalswitheachperson’ssmell.2.WhatkindofsoapwillVinaugermostlikelychoosebesidesacoconut-scentedsoap?Hewillmostlikelychooseasoapcontainingchemicalswiththescentofflowers.3.Whatdoes“canteen”inparagraph5referto?Itreferstothe20-by-20-meterfacilitywithsixpadsthathadthesmellofdifferenthumans.4.Whatiscarboxylicacid?Itisakindofchemicalusuallyproducedbybacteriaonhumanskin.5.Whatdidtheresearchersthinkwasthereasonthatoneoftheparticipants’smellwasn’tattractivetomosquitoes?Theythoughtitwasduetotheperson’sdiet,whichmainlyconsistedofplant-basedfoods.6.What’sthesignificanceofthefindings?Thefindingscanhelpscientistsimprovemosquitorepellentandevenchangeaperson’sdietsothattheycouldbemosquito-proof,whichisespeciallybeneficialforregionswheremosquitoescarrydiseases.IV.ThinkcriticallySincemosquitoescarrydiseasesthatareharmfultoourhealth,isitnecessarytokillallmosquitoes?Watchavideoclipandthenshareyouropinion.V.LanguagestudyCanyoufindtheseexpressionsinthetext?1.因?yàn)椋捎?dueto2.吸血的 blood-sucking3.使……遠(yuǎn)離 keep...away4.調(diào)查 lookinto5.邀請(qǐng)某人做某事 invitesbtodosth6.對(duì)……來講有吸引力 beattractiveto...7.設(shè)法做到某事 managetodosth8.被……吸引 beattractedto...9.驅(qū)除蚊子 repelmosquitoes10.攜帶疾病 carrydiseasesFinishthefollowingsentencesbyusingproperrelativepronounsandadverbs.1.Theresearchersdiscoveredseveralchemicalsinthesoap________caninfluencethemosquitoes’“choiceoffood”.2.People________attractmosquitoescanbemoreattractivetothemafterusingonetypeofsoap.3.Inthe20-by-20-meterfacility,thereweresixpads________hadthesmellofdifferenthumans.4.Also,mosquitoesaremostattractedtoakindofchemicalcalledcarboxylicacid,________isusuallyproducedbybacteriaonhumanskin.5.Researchersbelieveditwasduetotheperson’sdiet,________ismainlyplant-basedfoods.6.Byanalyzingthechemicals________eitherattractorrepelmosquitoes,scientistsareabletoimprovemosquitorepellent.7.Thisisespeci