1.WhyaregirlsafraidoftheletterC?

2.WhyistheletterEsoimportant?

3.Howcanyoumakearopeshorterwithoutcuttingorwindingit?

4.Whydopeoplewishforsomethingtheyhaven'tgot?5.Whatdoeseverybodydoatthesametime?

6.Whatresembleshalfapie?QuickyourMind1整理課件Unit6Predators,parasites

andOtherrelationshipsecosystemlivingthings,2整理課件3整理課件Pre-readingActivities1.brain-stormNameasmanyanimalsasyoucan.2.questionsfordiscussion(1)Doyouloveanimals?Whatisyourfavoriteanimal?(2)Whatdoyouthinkofvegetarianism?Doyouthinkitiswrongtoeatanimals?(3)Whatisecologicalbalance?Andfoodchain?Giveexamples.4整理課件5整理課件6整理課件TheanimalkingdomBirds(finch雀）Birdsofprey(vulture)Poultryandgame家禽和野禽(chicken)Seabirds(seagull)Primates(靈長(zhǎng)類：monkey,chimpanzee)Marsupials(有袋類：koala,kangaroo)Rodents(嚙齒類：mice,rabbits,squirrel,)Mammals(哺乳類：cows,whales)7整理課件TheanimalkingdomPachyderms(厚皮動(dòng)物：hippo,elephant)Insects(bees,butterfly,flea,dragonfly(蜻蜓）Arachnids(蛛形動(dòng)物：scorpion,mites,ticks)Reptiles(snake,crocodiles,turtle，lizard)Amphibians(兩棲類：toads(蟾蜍,newtsMollusks(軟體動(dòng)物：snail,octopus(章魚）)Crustaceans:(甲殼類：crab,lobster,shrimps)蠑螈8整理課件Predator:ananimallivingby

killingotheranimalsforfood

Lion,Wolf,Robin,歐洲知更鳥Frog,

Fox,Tiger,Humans9整理課件Carnivore:aflesh-eatinganimalLion,Wolf,Fox,Tiger食肉動(dòng)物10整理課件Mammal:ananimalwhich,whenyoung,

feedsonmilkfromitsmotherMongooseLionWolfTigerFoxrhinoceros11整理課件Someseaorfresh-watercreaturesShellfishShrimpSpongeAlgaeRemoraShark12整理課件Someblood-suckingdisease-carryingparasiteslivingonpeople,animalsandbirdsTick,FleaLouse(lice)13整理課件Somecold-bloodedanimalsthatcrawlorcreepLizardSnake14整理課件3.CommontermsinecologyEcosystemLivingthings/creaturesCreatureorganismalivingthing,esp.onethatisextremelysmall有機(jī)體，生物；（尤指）微生物：aliving~/marine~alivingthing,realorimaginary,thatcanmovearound,suchasananimal生物，動(dòng)物15整理課件2.parasites–mensalism6.MutualismDefinitions?1.predators–preyCharacteristics

Examples16整理課件1.PredatorsConsumersthatkilltheotheranimalsforfoodTermsDefinitionExamplesCharacteristicsHumans,tigers.wolvesNotnecessarily‘bad’;donothaveaneasytimeofit17整理課件TermsDefinitionExamplesCharacteristicsVerynumerous2.ParasitesOrganismsthatliveonorinotherlivingthingsFleas,ticks,etc.18整理課件TermsDefinitionExamplesCharacteristicsSometimesworks,sometimesdoesn’t3.BiologicalControlLimitingpestsbyusinglivingorganismsMongoosestoJamica;sparrowstoU.S.A.19整理課件TermsDefinitionExamplesCharacteristicsLivingorganisms‘livingtogether’4.Symbiosisnumerous20整理課件TermsDefinitionExamplesCharacteristicsOneorganismbenefits;othernotaffected5.CommensalismRemorasandsharks21整理課件TermsDefinitionExamplesCharacteristicsBothorganismbenefits6.MutualismAlgaeandfungus;egretsandrhinoceroses22整理課件WordsandphrasesinL1-25:(formal)toremembersb.sth/remindsbofsth:bring/callsb/sthtomind:Shecouldn’tcalltomindwhereshehadseenhimbefore.ThepaintingbringstomindsomeofPicasso’searlyworks.23整理課件haveaneasytime(ofit)(BrE)havenodifficultiesorproblemsaseasyasanything/aspie/asABC/asfallingoffalog(informal)veryeasy

easymoney:來(lái)得容易的錢Iameasy(BrE,informal)A:Doyouwanttowatchthisorthenews?B:Oh,Iameasy.It’suptoyou.24整理課件array:agroupoforcollectionofthingsorpeople,oftenonethatislargeorimpressive大堆，大量atwill:wheneverorwhereveryoulikeTheywereabletocomeandgo~.species:種，物種endangered~25整理課件SomesentencesfromL1-25L7:Sometimesindividualpredatorsdo

preyuponfarmanimals,andtheseindividualshavetobecontrolled.強(qiáng)調(diào)Mother:Haveyoufinishedyourhomework?Son:Yes,Mum,Idohavefinished.See,thisisit!26整理課件SentencesfromL28-40L28:Predatorsareusuallybiggerandfewerinnumberthantheanimalstheypreyupon.Thereverseistrueofparasites.Theparasiteshavetheoppositecharacteristics.Peopleliveinbighousesinthecountry,buttheconditioninthetownisjusttheopposite.27整理課件Parasite:acreaturedependingon

anotherforthenecessitiesoflifeFlea,蚤L(zhǎng)ouse(lice)虱子Fungus(fungi)真菌（如蘑菇）Bacterium(bacteria)Flatworm,扁形蟲insect,Tick扁虱（吸血寄生蟲）Mite螨Elmspanworm尺蠖，北方稱步曲,南方稱造橋蟲狀似蜘蛛的微小生物，在動(dòng)植物，地毯等上生活28整理課件taketosth:tobegintodosthasahabit開始沉溺于。。I’vetakentowakingupveryearly.taketosb./sth:tostartlikingsb/sth.Itooktomynewbossimmediately.我已形成習(xí)慣，醒得很早。L42-6029整理課件attachv.~sth(tosth)

把。。。。固定~importance,significance,value,weight,ect.(tosth)

認(rèn)為。。。。有重要性（或意義，價(jià)值，分量等），重視~tosb/sth(formal)（使）與。。。有聯(lián)系Noblameattachestoyou.你一點(diǎn)責(zé)任也沒(méi)有。attachedI’veneverseentwopeopleso~toeachother.Thisdoesnotattachanyblametoyou.Themiddleschoolis~totheuniversityPleasecompletethe~applicationform.依戀；附屬于；所附的30整理課件Symbiosis共生Twodifferentlivingorganisms,parasiteandhost,livingtogetherCommensalism共棲OneorganismbenefitsandtheotherisnotaffectedMutualism互利共生Bothorganismsbenefitfromlivingtogether31整理課件Symbiosis共生Rhinoceros犀牛Egret白鷺32整理課件Therearethreemaintypesofsymbiosis,baseduponthespecificrelationshipbetweenthespeciesinvolved:mutualism,parasitism,andcommensalism.Symbiosis共生33整理課件Commensalism共棲remorasshark鮣34整理課件Commensalism共棲sponge海綿seaanemone?？喝我环N大量的珊瑚蟲綱花狀海生腔腸動(dòng)物，具有能夠伸縮的圓筒形身體和圍繞著中間的嘴的觸須35整理課件Mutualism互利共生lichen地衣/苔蘚algae地衣就是真菌和苔蘚植物的共生體,地衣靠真菌的菌絲吸收養(yǎng)料,靠苔蘚植物的光合作用制造有機(jī)物。如果把地衣中的真菌和苔蘚植物分開,兩者都不能獨(dú)立生活。36整理課件lichenonatreelichensgrowingonarock37整理課件ThestyleofexpositorywritingLongerparagraphsinwhichtherearelongerandmorecomplexsentences.Third-personnarration—forthepurposeofobjectivitySentencesinthepassivevoice38整理課件ExpositoryWritingTechniquesTheconsumersthatkillotheranimalsforfoodarecalledpredatorsInsomerelationships,oneorganismbenefitsandtheotherisnotaffectedatall.Thisiscalledcommensalism.Supplyingdefinitionsforthetechnicalterms39整理課件Quotingdirectlyfromfamous(biologiststowinauthority)Dr.GeorgeSchallerworte:‘Thetiger’sseeminglyunbeatablearrayofweapons-itsacutesenses,greatspeed,strengthandsizeandformidableclawsandteeth-have….’Dr.Mechwrote:‘Asistruewithmostpredators,thewolfisanopportunist…’40整理課件CitinganexampleofpoeticexaggerationSo,naturalistsobserve,afleaHathsmallerfleasthanonhimprey;Andthesehavesmallerstilltobite’em,Andsoproceedadinfinitum.JonathanSwiftexaggeratedonlyalittlewhenhewrote:41整理課件李先生是一位很負(fù)責(zé)任的經(jīng)理，王先生剛好相反?！璽hereverseistrueof2.他要領(lǐng)導(dǎo)具有3000多人的大公司，他的日子不好過(guò)。haveaneasytime3.請(qǐng)把這個(gè)便條附在文件上。attach…to4.去年5月他加入了登山隊(duì)，現(xiàn)在他已爬了五座山。attach…to5.據(jù)我們估計(jì)，這座橋梁可以一年后交付使用。estimate6.所有的肉食動(dòng)物都想捕食健康的獵物,但事實(shí)上他們所捕食的動(dòng)物都是老、弱、傷病動(dòng)物。

old,weak,injuredordiseasedTranslation42整理課件7.他從監(jiān)獄逃了出來(lái)，現(xiàn)在整天害怕再被抓住。prey8.我估計(jì)這幅油畫的價(jià)值是1000美元。estimate...at9.他全心全意地做生意，因?yàn)樗浪梢詮乃纳饫锏玫胶艽蟮睦?。benefitfrom...10.他對(duì)我們圖書館的藏書的估計(jì)是錯(cuò)誤的。estimate11.把這發(fā)動(dòng)機(jī)裝在火車上花了工程師五小時(shí)。attachtoTranslation43整理課件1.Mr.Liisaresponsiblemanager,andthereverseistrueof/withMr.Wang.2.Heisrunningab