文档介绍：Unit4—CreatureslargeandsmallFriendorenemy?执教老师: 刘岚上海市第六十中学Groupdiscussion:BrainstormingWhichwordsorexpressionswillyouthinkofatthesightofsomanyspiders?----PleaselistasmanywordsaspossibleonPage48Whatdoyouknowaboutspiders? ’,justlikethatofsilkworms,--Line10Thefeaturesofaplay:Characters(Who):Lines:dialoguesamongcharactersStagedirections:writtenwordsinitalicswithinbracketsScene(Where):Topic(What):BettyandWinstonInthekitchenSpidersScanningTime--ExC,P48ReadLine11totheend,andfindoutthefieldsinwhichspidersareuseful.(YoumayfirstconsiderWhofindsspidersuseful?)Whichfield?Howuseful?farmingsciencemedicinepestcontroldevelopsilkintonewmaterialusepoisoninmedicaltreatmentReadthetextfromline11totheend,find pletethetable:UsefulinwhatFieldsUsefulaspectsDetailsoftheusesFarmingpestcontrolWhathumansdo:Whatspidersdo:SciencesilkProperties:Usedin:medicinepoisonDangerousornot:Howisituseful:Usefulinfarming(agriculture)Farmersbuild________inthefieldtohelpthem_______winter,--Whatdofarmersusetobuildsheltersforspiders?--Whydofarmersbuildsheltersfortheminwinter?Spidersilk (Whatproperties?)UsefulinScience