【一道英语阅读理解题Doyouknowwhydifferentanimalsorinsects(昆虫)havetheirspecialcolors?Colorsareusedmainlytoprotectthemselves.Whycan’tsomebirdseasilycatchlocusts(蝗虫)?Itisbecauselocustschangetheircolor】
一道英语阅读理解题
Doyouknowwhydifferentanimalsorinsects(昆虫)havetheirspecialcolors?Colorsareusedmainlytoprotectthemselves.
Whycan’tsomebirdseasilycatchlocusts(蝗虫)?Itisbecauselocustschangetheircolorstogetherwiththechangeofthecolorsofcrops(庄稼).Whencropsaregreen,locustslookgreen.Butasautumncomes,locustschangetothesamebrowncolorascropshave.Someotherinsectswithautumncomes,locustschangetothesamebrowncolorascropshave.Someotherinsectswithdifferentcolorsfromplantsareeasilyfoundandeatenbyothers.Sotheyhavetohidethemselvesforlivesinthedayandappearonlyatnight.
Ifyoustudytheanimallife,you’llfindthemainuseofcoloringistoprotectthemselves.Bears,lionsandotheranimalscan’tbeeasilyseenbyhunters(猎人).Thisisbecausetheyhavethecolorsmuchlikethetrees.
Haveyouevernoticedanevenmorestrangething?Akindoffishintheseacansendoutblackliquid(液体)whenitfacesdanger.Whiletheliquidspreadsover(散开),itsenemies(敌人)can’tfindit.Anditquicklyswimsaway.Soithasliveduptonowthoughitisnotstrongatall.
()91.Fromthearticlewelearnthatlocusts__________.
A.aredangeroustotheirenemies
B.areeasilyfoundbybirds
C.changetheircolorstoprotectthemselves
D.aresmallanimals
()92.Howcaninsectswithdifferentcolorsfromplantskeepoutofdanger?
A.Theyhavetomovequietly.
B.Theyhidethemselvesinthedayandappearatnight.
C.Theyhavethecolorsmuchliketheirenemies.
D.Theyrunawayquickly.
()93.Bearsandlionscankeepsafebecause__________.
A.theyliveinforests
B.theylikebrownandgreycolors
C.theymovequietly
D.theyhavethecolorsmuchlikethetrees
()94.Whycanakindoffishinthesealiveuptonow?Because__________.
A.itisverybigandstrong
B.theliquiditsendsoutcanhelpitswimawayfromitsenemies
C.theliquiditsendsoutcankillitsenemies
D.itswimsfasterthananyotherfish
()95.Whichisthebesttitleforthispassage?
A.TheMainUseofColorsforAnimalsandInsects
B.C