高中牛津英语 S1B Unit 4 Creature large and small课件

CreatureslargeandsmallFriendorenemy?/v_show/id_XMjM2Njk0ODA=.html/v_show/id_XMTAxMjU3ODIw.htmlcricketmantiscockroachspiderdragon-flyscorpionTrap-doorSpider(陷井蜘蛛)AfricanWolfSpider(非洲狼蛛)DaddyLonglegs(长脚蜘蛛）JumpingSpider(跳蜘蛛）Arespidersinsects?Insect:bugs昆虫No，theyarecreatures.Creature:anylivingthingArespidersfriendsorenemies?EnemiesofinsectsFriendsofhumanWhatdofarmersdotoprotectspidersinwinter???Shelter：aplacebuilttoprotectsomething.Itlookslikeasmalltent.

Survivewinter=

tocontinueliveindifficultiesAndwhenspringcomes……Andwhenspringcomes……Thespidersemerge

healthandhungry.

emerge:comeout

Spidersfilltheiremptystomachswiththefollowingpests……Pests:creaturesthatdestroysplantsorfoodRiddle谜语Whatisstrongerthansteel

lighterthanfeatheraselasticasarubberbandsilk蜘蛛丝

web蜘蛛网Spacecraft航天飞机artificialorgans人造器官bulletproofvest防弹背心Spider’sPoison毒液

Itisuseful.Itcanbeusedtotreatbraindisordersinhumans.WhatdoesWinstonmeanbysaying“spidersareveryusefulcreatures”?spiderInwinterInspringTheirsilk

Theirpoisontheyliveinsheltersbuiltbyfarmers.theyeatinsectsthatattackcrops.canbeusedinspacecraft,artificialorganslikeheartsandtomakebulletproofvests.canbeusedtotreatbraindisorders.Winston’sideasinthefieldofagricultureinthefieldofscienceA:materialsciencemedicineSpiderseatinsects,whichservesasanaturalmethodofpestcontrol.Newmaterialscanbemadefromspiders’silktobeusedinspacecrafts,artificialorgansandbulletproofvests.B:Spiders’poisoncanbeusedtotreatbraindisordersinhumans.WhatisBetty’sviewaboutspiders?view：anopinionaboutsomething观点，看法pointofview:what’syourpointofview?Betty’sview：negativesidesofspidersfrighteningnastyTheirbitesarepoisonousanddangerousnasty:horrible,unpleasantpoison毒药，毒液n.poisonous有毒的adj.bite:awoundmadebyananimalorinsect咬伤，叮伤GroupdiscussionShouldspidersorotheranimalsbekilled?Why?creaturen.

alivingthing生物，动物HedreamtthathemetcreaturesfromMars.viewAnopinionaboutsomething观点，看法HedreamtthathemetcreaturesfromMars.viewn.观点，看法HedreamtthathemetcreaturesfromMars.景色Fromhere,youcanseethebeautifulofShanghai.Survivev.Tocontinuetoliveinthedifficulties

存活，幸免于难Noonecansurvivesuchadisaster.survivesth.Survivaln.幸存emergev.Tocomeoutofahiddenplace出现，浮现Aftertherainstorm,thesunslowlyemerged.emergencen.出现pestAcreaturethatdestroysplantsorfood害虫Howdofarmerskeeppestsfromhurtingtheircrops?propertyn.Aqualityorcharacteristicsomethinghas性质，特征Theseleaveshavemedicalproperties.artificialNotreal,man-made人工的，人造的Nowadays,manypeopleloveartificialflowers.rarelyadv.Notveryoften罕见，很少，不常Werarelyeatatrestaurants.rareadj.罕有的，很少的poisonn.Asubstancethatcausesdeathorharm 毒药，毒液Thefamilyputoutpoisontokilltherats.poisonousadj.Treatv.Tocureaninjuryorillness医治，治疗ThenewdrugiseffectiveintreatingADIS.Treatmentn.医治，治疗Disordern.不适，紊乱，疾病Foryears,thepooroldwomanhasbeensufferingfromamentaldisorder.这位可怜的老妇人患神经病已经多年了。Getone’spointTounderstandwhatsomebodymeansEventhoughthetopicwasdifficult,everyonequicklygottheteacher’spoint.尽管题目很难，但大家还是很快就听懂了老师的观点。()Debbiewantstokillaspider,butSimonstopsherandtellsherthatspidersareuseful.()Spidersaredifferentfrominsects.Chinesefarmersbuildstrawsheltersforthemsothattheycansurvivewinterandeatharmfulinsectswhenspringcomes.()Thefarmersdonotneedinsecticidesasthespidersactasnaturalpest-controlagents.P1-5P6-7P8-11()Thesilkthatspidersmaketheirwebswithhasmanyspecialpropertiesthatscientistsarestudyinginordertoreproduceartificially.

()Theirpoisonrarelyharmshumansandmayhavemedicaluses.

()Weshouldtrytounderstandthingsinnature,notdestroythem.P12-14P15-16P17Spidersareenemiesof_________andfriendsof________.insectshumansSpidershelpfarmerstosavetheircropsbyeatingthepests.Andthisnaturalmethodof__________isbeingcopiedallovertheworld.pestcontrol

Spidersspinwebstotraptheirprey.Thewebsaremadeofsilkwhichisstrongerthan_____,lighterthana______,andas______asarubberband.steelfeatherelasticSpiders’silkcanhelpscientiststodevelopamaterialwithsimilar__________,whichcanbeusedinspacecraft,________organslikehearts,andtomakebullet-______pertiesartificialproofSpidersare_________toinsectsbut______harmfultohumans.Doctorsthinktheirpoisonmightbeusedto_____brain_________inhumans.dangerousrarelytreatdisordersPositivesides:savingcropsandmoneyTheirsilkisusedinmanyways.strongerthansteel---canbeusedinspacecraft

lighterthanafeather