高一英语课外阅读训练材料蜘蛛怎样生活和表现自己？试卷

notdinner原文：Afemalespiderisoftenmuchlargerthanamaleofthesamespecies，高一英语课外阅读训练材料蜘蛛怎样生活和表现自己？原文译文Howspidersliveandbehave?蜘蛛怎样生活和表现自己？原文：Silk，whichsavethemiftheyfallYoungspidersspinsilkenthreadsonwhichthey"balloon"throughtheair原文：ManytinytubesconnecteachsilkglandwithaspinneretThestickyfluidwhichcoatsthestrandsinorbwebsandcatchinglinesisappliedinthesetubes原文：Mate，thensnapbacktoitsoriginallengthwithoutchangeinshape原文：Silkisproducedinglandswhichmakeupalargepartofaspider'sabdomenDifferentglandsmakedifferentsortsofsilktobeusedforpurposesincludingthemanufactureofeggsacs，andcanstretchtoaddone-thirdmoretoitslength，thendoesnotdissolveinwaterItisverystrong，thesecretofsuccess原文：Onemajorreasonforthesuccessofspidersisthesilktheyproduceandthewaysinwhichtheyuseit原文：SpidersilkismainlymadeupofproteinsItleavesthespider'sbodyasaliquidwhichhardensrapidlyintheair，liningsheltersandconstructingwebsSilkisalsousedforthesafetylinesmanyspidersdragbehindthem，andissometimesquitediffere，