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1、001阅读01 Butterfliesarecommonallovertheworld,buttheonesinhotcountriesareusuallybiggerandmorebrightlycoloredthanthoseincoolercountriesandtherearemoredifferentkinds.Usuallythemalebutterfliesmorebrightlycoloredthanthefemale.Thefemalehavebiggerandheavierbodies,sincetheycarrytheeg
2、gs.Thegay(鲜艳的)colorsofthemalehelptoattract(吸引)thefemaleandthedullercolorsofthefemalemakethemlesslikelytobecaughtbyenemiesbeforetheyhavelaidtheireggs. Somebutterflieshaveabrightpatternofcolorsontheuppersurfaceoftheirwings,whichshowwhentheyfly,butwhentheyrestonatreeorleaf,theyc
3、losetheirwings.Ontheundersidesoftheirwingstherearegreenandbrownmarkingswhichlooklikethetreeorleaf.Theyarethendifficulttosee.ThebestexampleofthisistheDeadLeafButterfly.Whenitswingsareclose,itlooksexactlylikeadeadleaf.Thereareevenmarksthatlookliketheholesinadeadleaf.Whenabirdisc
4、hasingabutterfly,anditcloseitswings,itseemstohavedisappearedcompletely. Manybutterflieshaveroundmarksontheirwingsthatlooklikeeyes.Whentheyareresting,andtheirwingsarefolded,thesecannotbeseen.Whenabirdseesone,andbeginstoattackit,thebutterflyopensitswings.Thebirdthinksthatitsees
5、twoeyesstaringatit,anditisfrightenedtoflyaway.窗体顶端 1.Wherearethebutterfliesalwaysbiggerandmorebrightlycolored? A.Intheplaceswhereitishot. B.Intheplacesthatarefarfromthesun. C.Inthesouth. D.Inthenorth.窗体底端窗体顶端 2.Whydothefemalebutterflieshavebiggerandheavierbodies? A.They
6、canhelpthantoattractthemale. B.Theycanmakethemlikelytobecaughtbyenemies. C.Theycarryeggs. D.Theydon'tliketoflyhigher.窗体底端窗体顶端 3.Whataregreenandbrownmarkingsontheundersidesofthebutterflies'wingsfor? A.Thebutterflieswanttoshowthemwhentheyfly. B.Itishelpfulforthemtochaseabi
7、rd. C.Whenthebutterfliesclosetheirwings,theydisappearedcompletely. D.Themarkingscansometimeshelptoprotectthebutterflies.窗体底端002阅 读02 Whenagroupofchildrenpolitelystopaconversationwithyou,saying,"Wehavetogotoworknow",you'releftfeelingsurprisedandcertainlyuneasy.Afterall,this
8、isthe1990sandtheideaofchildrenworkingisjustunthinkable.Thatis
