【Thereareabout5000differentkindsofladybugs(瓢虫)intheworld.Theycomeinmanydifferentcolors.Theirbrightcolorswarnotheranimalsorinsectsnot11(eat)them.Ladybugstastebad.Abird12afrogthathaseatenaladybugwil】

　　  Thereareabout5000differentkindsofladybugs(瓢虫)intheworld.Theycomeinmanydifferentcolors.Theirbrightcolorswarnotheranimalsorinsectsnot11(eat)them.Ladybugstastebad.Abird12afrogthathaseatenaladybugwillrememberthebrightcolorsanditwillnoteatanotherladybugwiththesamecolorsagain.Whenla?dybugsare13dangertheywillgiveoutafluid(液体)thattastesterrible.

　　  Inmanyculturestheladybugisconsideredtobeasymbolofgood14(lucky).Mostladybugsarekind15humans.Theyeatotherinsectswhichdestroy(毁坏)crops.Oneladybugcaneatupto5000insectsinitslifetime.

　　  Ladybugshavesixshort16(leg).They17(live)inmanydifferentplacessuchasgreenlandforestsalongtheriversandthecountryside.Differentladybugshavedifferentspots.Someof18don'thavespotsatall.ThemostcommonkindinNorthAmericaisthe7-spottedladybug.Theyareveryactivefromspringtoautumn.19theweatherturnscoldtheylookfor20warmplacetosleepsuchasunderstonesorinoldhouses.

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