if you travel to a new exhibit at the san francisco conservatory of flowers阅读答案

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1、IfyoutraveltoanewexhibitattheSanFranciscoConservatoryofFlowers阅读答案　　IfyoutraveltoanewexhibitattheSanFranciscoConservatoryofFlowers,youwillhavechancestoseesomemeateatingplants.Takebladderworts,akindofsuchplant,forexample.Theyappearsosmallandgrowinaquietpond.Butthes

2、earethefastestknownkillersoftheplantkingdom,abletocaptureasmallinsectin1/50ofasecondusingatrapdoor!　　Oncethetrapdoorclosesonthevictim,theenzymes(酶)similartothoseinthehumanstomachslowlydigesttheinsect.Whendinnerisover,theplantopensthetrapdoorandisreadytotrapagain.　

3、　Meateatingplantsgrowmostlyinwetareaswithsoilthatdoesn’toffermuchfoodvalue.Insuchconditions,theseamazingplantshavedevelopedinsecttrapstogettheirnutritionalneedsoverthousandsofAmericahasmoresuchplantsthananyothercontinent.　　Generallyspeaking,thetrapsmayhaveattracti

4、veappearancetofooltheeye,likepitcherplants,whichgettheirnamebecausetheylooklikebeautifulpitchers(acontainerlikeabottle)fullofnectar(花蜜)．　　TheAsianpitcherplant,forexample,hasbrightcolorsandanattractivehalfclosedlid.Curiousinsectsaretemptedtocomecloseandtakeasip,and

5、thenslidedowntheslippery(光滑的)slopetotheirdeaths.　　Hairlikegrowthsalongthepitcherwallsensurethatnothingcabescape,andthedigestiveenzymescangettowork.Atinyinsectcanbedigestedinafewhours,butaflytakesacoupleofdays.　　Someofthesepitchersarelargeenoughtoholdtwogallons.Mea

6、teatingplantsonlyeatpeopleinsciencefictionmovies,butsometimesabirdorothersmallanimalswilldiscoverthatapitcherplantisn’tagoodplacetogetadrink.　　[语篇解读]本文是一篇说明文，介绍了一些特别的植物——靠捕食动物获得生长所需养分的“食肉植物”。　　1．Fromthefirstparagraph,wecanknowthatbladderwortscan________.　　A.captur

7、e50smallinsectsinasecond　　B.captureaninsectintheshortesttime　　C.befoundfloatingonaquietlake　　D.digestaninsectin1/50ofasecond　　[解析]细节理解题。第一段指出，bladderworts能在1/50秒的时间内捕获一只小昆虫，是植物中已知的捕获动物速度最快的，因此选B。　　[答案]B　　2．Ifthetrapdoorofameateatingplantisclosed,theplant________.　

8、　A.isfoolinginsectsintotakingasip　　B.isproducingnectar　　C.istemptinginsectstocomeclose　　D.isenjoyingadinner　　[解析]细节判断题。第二段说，一旦“陷阱门”将猎物关起来，类似于人胃里的