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1、AkindofflowerthatcanmatchanythingfoundinthemovieAvatarrecentlyappearedintherainforestofXishuangbannnainChina’sYunnanProvinceagain.ResearchersfromtheXishuangbannnaTropicalBotanicalGardendiscoveredtwophotosonalocaltourguide’sWeChatmessagingappinearlyJanuary,2016.Thephotosshowedastran
2、gemushroom—likearedflower,withnoleavesorrootsofanykind.Knowingthattheflowerscouldberafflesiaceae,whichhavenotbeenseeninChinaforaround30years,researcherscarriedoutafieldinvestigationandfoundtwoplaceswheretheplantswerebloomingintheheartofrainforest.“rafflesiaceaeliveonlyintropicalrai
3、nforestsinSoutheastAsia.Accordingtoourrecords,researchersdiscoveredtheflowersinXishuangbannnainthe1980s,buttheyhavenotbeenseensincethat,”saidliuGuangyu,aresearcheratabotanicalgardenofYunnan.NamedafterBritishstatesmanSirThomasStamfordRaffles,whocollectedaspecimenfromtheislandofSumat
4、ra,Indonesiain1818,rafflesiaceaedonothaverootstotakeinwaterorleavesforphotosynthesis,andwhollydependontheirhosts.Somecangrowextremelylarge,withadiameterofmorethan1meter,makingthemthelargestflowersontheearth.()51.Whatcoloristheflower?A.YellowB.WhiteC.RedD.Green()52.Whatdoestheunderl
5、inedword“investigation”meaninChinese?A.调查B.询问C.商讨D.咨询()53.Whendidpeoplefirstfindrafflesiaceae?A.Inthe1980sB.In1818C.30yearsagoD.In1980()54.Whichofthefollowingisnottrue?A.Rafflesiaceaeareveryuncommon.B.RafflesiaceaeonlyliveintropicalrainforestsinAsia.C.Atourguidepostedtwophotosofraf
6、flesiaceaeinJanuary.D.Thoughrafflesiaceaearethelargestflowers,theirleavesareverysmall.()55.Whatisthebesttitleforthepassage?A.ThelargestFlowerontheEarth.B.RafflesiaceaelikelivinginAsiaC.ATourGuideFoundEndangeredFlowersD.EndangeredFlowersRediscoveredinChina答案：CABDDDoyouknowhowtoprope
7、rlythrowgarbageofcourse，youmightanswer.Butthingsarenotthatsimple.Afteryouthrowyourgarbage，itdoesn’tjustsitinthedustbin.Peoplehavetocollectthewasteandmoveittolandfills.Therepeoplesortthewasteanddecidewhethertoburn,buryorrecycleit.Ittakesmanypeoplelotsoftimeandwork.Soifwecansortourga
8、rbagebeforethrowingitaway,
