【Wesometimessaythelionis“thekingofthejungle”becauseitisstrongerandmoredangerousthantheotheranimals.Itcanrunfasterthanmostotheranimalsanditcanhuntthebest.Thelionisthehighestanimalinthelandfoodchain.Itcan】

　　Wesometimessaythelionis“thekingofthejungle”becauseitisstrongerandmoredangerousthantheotheranimals.Itcanrunfasterthanmostotheranimalsanditcanhuntthebest.Thelionisthehighestanimalinthelandfoodchain.Itcanrunfasterthanmostotherseaanimals.Itcanalsouseitsbigteethtocatchotherseaanimalsandeatthem.Whatisatthetopoftheworld’sfoodchain?Peopleare!Wearenotthebiggestorfastest,butwearethecleverest.Wecouldnotrunfasterthanmostanimals,soweinventedcarsandnowwecanmovethefastest.Wecouldnotfightbetterthanalion,soweinventedguns.Nowwecanhuntthebest.People’sinventionsareclever,buttheycanbedangerous,too.Forexample,manyyearsagoinInnerMongolia,peopleusedgunstokillalotofwildwolves(狼).Thewildwolvesusuallyeatwildrabbits.Butinrecentyears,thenumberofwildrabbitsisbecomingbiggerandbiggerbecausethenumberofwildwolvesisgettingsmallerandsmaller.Muchofthegrasslandbecamedesertbecauseitwasseriouslydestroyedbytherabbits.Rememberthatweareapartofthefoodchain,soweareindanger,too!Ifweprotectanimals,weareprotectingourselves.56.Howmanykindsofanimalfoodchainsarementionedinthepassage?A.Two.B.Three.C.Four.57.Whyarepeopleatthetopoftheworld’sfoodchain?A.Becausetheycanusegun.B.Becausetheyarethebiggest.C.Becausetheyarethecleverest.58.Inwhatwaydowesay