阅读理解。Lionsareopportunists.Theyprefertoeatwithouthavingtodotoomuchwork.Whenrestingintheshadetheyarealsowatchingtheskytoseewhatisflyingbyandevenintheheatofthedaytheywillsuddenlystart

　　阅读理解。

　　Lionsareopportunists.Theyprefertoeatwithouthavingtodotoomuchwork.Whenrestinginthe

　　shadetheyarealsowatchingtheskytoseewhatisflyingbyandevenintheheatofthedaytheywill

　　suddenlystartupandrunamileacrosstheplainstofindoutwhatisgoingon.Ifanotheranimalhasmade

　　akilltheywilldriveitoffandtakethedillforthemselves.Agrownlioncaneasilyeat60poundsofmeat

　　atasinglefeeding.Oftentheyeatuntilitseemspainfulforthemtoliedown.

　　Thelioneases(母狮)beingthinnerandfasterarebetterhunters(猎手)thanthemales(雄狮).Butthe

　　malesdon'tmind.Afterthekilltheymoveinandtakethetestshare.

　　Mostkillsaremadeatnightorjustbeforedaybreak.Wehaveseenmanymanydaylightattemptsbut

　　onlytenkills.RoughlyIt'sabouttwentydaytimeattemptsforonekill.

　　Whenlionsarehidingforanattackbyawaterholetheywaitpatientlyandcanchargeatanysecond.

　　Thekillistheexcitingmomentintheday-to-daylifeofthelionsincethesegreatanimalsspendmostof

　　theirtimeabout20hoursadaysleepingandresting.

　　Lionsaresocialcatsandwhentheyarehavingaresttheylovetotoucheachother.Afterdrinkingat

　　awaterholealionessrestsherheadonanother'sback.Whenwalkingyounglionsoftentouchfaceswith

　　olderonesanactofclosetiesimongmembersofthegroup.

　　1.Bydescribinglionsas"opportunists"inthefirstparagraphtheauthormeanstosaythatlions_____.

　　A.arecruelanimals

　　B.arecleveranimals

　　C.liketotakeadvantageofotheranimals

　　D.liketotakeeverychancetoeat

　　2.Accordingtothetextwhichofthefollowingistrue?

　　A.Lionsmakemostkillsinthedaytime.

　　B.Malescaremoreabouteatingthanactivekilling.

　　C.Lionsarecuriousaboutthingshappeningaroundthem.

　　D.Itdoesn'ttakelionstoomuchtimetomakeakill.

　　3.Howcanweknowthatlionsaresocialanimals?

　　A.Theydependoneachother.

　　B.Theylookaftereachotherwell.

　　C.Theyreadilysharewhattheyhave.

　　D.Theyenjoyeachother'scompany.

　　4.Whatwouldbetheb