Unit+6+Survival+Starting+out +Understanding+ideas+課件【高效備課精研+知識精講提升】 高中英語外研版（2019）選擇性必修第二冊

U6Survivalstartingout+understandingideasfloodwatershortage/droughtWhichcountrysuffersfromalotofrainbutitisusuallyverydry?securityconcernsshortageofsuppliesfoodshortagescancausefamine,migration,collapseofsocialorderandwarwatershortages,cropfailurehaze/smogthunderstormlightninglandsliderock-mudflowsandstormdiseaseoutbreaksecurityconcernsshortageofsuppliesquarantine,shortageofhospitalservices,panic,panic-buyingofessentials,misinformationmedicines,foodorothersuppliesearthquaketsunamitidalwavesecurityconcernsshortageofsuppliesdifficulttoleavetheareatofindsafety;Powerandcommunicationsmayhavebeencutoff;riskoffurtherquakesviaanaftershockfood,water,medicines,fuel,electricityshipwrecksecurityconcernsshortageofsuppliesdangersofdrowningorofdyingfromexposurefood,waterNASAsecurityconcernsshortageofsuppliesextremetemperatures,lowpressures,radiation,lossofbonesandmusclesduetozero-gravityenvironment,activitiessuchaseatinganddrinkingeverythingtheyneedwiththem,evenairAmazonJunglesecurityconcernsshortageofsupplieswildanimals,venomousinsects,difficuittotravelandnavigatefood,water,medicinesAntarcticaWhatdifficultiesdotheyface?Howdotheyovercomethem?Theyhavetoendureextremeweatherincludingfreezingtemperatures,fiercewindsandstrongblizzards.Whentheygooutsidethestations,theywearspecialclothesforprotection.Asweathercanchangefromcalmtowhite-outinminutes,peoplehavetotakeaspecialsurvivalbagincasetheyaretrappedoutsideovernight.Oneofthemostdifficultthingsisthelongdaysandnights.Theymaycauseissueswiththescientists'bodyclocks.Thedarknessalsomakesoutdoorresearchimpossible.WatchthevideoLivingand

WorkinginAntarctica:Itisalmostimpossibletogrowfreshproducetherebecauseoftheextremeconditions,andmostfoodisimported.Itisdifficultforscientiststohaveavarieddiet,andtheycan'tgetenoughfreshfruitandvegetables.Theyhavetofacepsychologicalproblems.Tokeepthescientistspsychologicallyhealthy,researchstationsofferactivitiesandentertainmentincludinglivemusicandlectures.hedgehogoncampusWouldyoubesurprisedtoseetheseanimalsinacity?Wherewouldyounormallyexpecttofindtheseanimals?racoonsincitiesPredictwhatthetitlemeansfromthetitleandpicturesinthepassage.ChoosethetopicsentencesforParagraphs2–5andwritethemonthelinestocompletethepassage.aOnethingcrucialtotheincreasingnumberof“urbananimals”istheirabilitytoadapt.bPeopleoftenwonderaboutthereasonsbehindthismassurbanmigration.cForthoseanimalsthatdon’tadapt,thecitycanbeadangerousorevendeadlyplace.dYet,foritsnewestandwildestinhabitants,acitycanoffermanybenefits.2–b3–d4–a5–c

Organiseinformationfromthepassageandcompletethediagram.1outoftheirnaturalhabitats2Wherevertheygo,animalsfindtownsandcitiesintheirway.Withnowhereelsetomaketheirhomes,theyhavenochoicebuttomoveinwithus.3Outofreachfrommanyoftheirnaturalpredators,thesenewcomersoftenflourishintheirnewcitylives.4Hungryanimalsarefindingplentytoeatinourgardensandintheleftoverswethrowaway.5intelligentthantheirwildcousins6Someanimalshaveevenchangedtheirlivinghabitstofitinwiththeirnewhomes.7Somebirdscrashintowindowsbecausetheyareunabletodistinguishbetweenblueskyandglass.8Somebirdshaveyettochangetheirmigratoryroutesthattakethemthroughcitieswithhigh-risebuildings.9looktowardsharm