阅读理解
Wesometimessaythelionis“thekingofthejungle(丛林)”becauseitisstrongerandmoredangerousthantheotheranimals.Itcanrunfasterthanmostotheranimalsanditcanhunt(捕猎)thebest.Thelionisthehighestanimalinthelandfoodchain.Intheseathesharkisatthetopofthefoodchain.Itcanswimfasterthanmostotherseaanimals.Itcanalsouseitsbigteethtocatchotherseaanimalsandeatthem.
Whatisatthetopoftheworld'sfoodchain?Peopleare!Wearenotthebiggestorfastestbutwearethecleverest.Wecouldnotrunfasterthanmostanimalssoweinventedcarsandnowwecanmovethefastest.Wecouldnotfightbetterthanalionsoweinventedguns.Nowwecanhuntthebest.
People'sinventionsarecleverbuttheycanbedangeroustoo.ForexamplemanyyearsagoinInnerMongoliapeopleusedgunstokillalotofwildwolves.Thewildwolvesusuallyeatwildrabbits.Butinrecent(近来的)yearsthenumberofwildrabbitsisbecomingbiggerandbiggerbecausethenumberofwildwolvesisgettingsmallerandsmaller.Thewildrabbitscompeted(竞争)forthegrasswiththesheepandcows.Muchofthegrasslandbecamedesertbecauseitwasseriouslydestroyed(毁坏)bytherabbits.
Rememberthatweareapartofthefoodchainsoweareindangertoo!Ifweprotectanimalsweareprotectingourselves.
1．Howmanykindsoffoodchainsarementionedinthispassage?
[]
A．Two.
B．Three.
C．Four.
D．None.
2．Whyarepeopleatthetopoftheworld'sfoodchain?
[]
A．Becausetheycanuseguns.
B．Becausetheyarethebiggest.
C．Becausetheyarethecleverest.
D．Becausetheycandrivecars.
3．Whichorderofthepicturesbestdescribesthethirdparagraph?
[]
A．bdace
B．bdfce
C．bfaec
D．bedca
4．Inwhatwaydowesaypeople'sinventionscanbesometimesdangerous?
[]
A．Theycankillalotofwildwolves.
B．Theycandestroythefoodchain.
C．Theycandestroythegrassland.
D．Theycanmakewildrabbitsgrowbiggerandbigger.
5．Whatisthebesttitle(标题)ofthepassage?
[]
A．People'sinvention
邮箱： 