Arethereanydifferencesbetweenhumanbeingsandanimals?Scientistsusedtothinkthatmenweredifferentfromanimalsbecausetheycouldthinkandlearn．Butnowweknowthatanimalslikedogs，cats，ratsandevenbirdscanlearn．Onceinmyhometown，astrangethinghappened．Onemorningmygrandmawenttothedoortogetthemilk，buttohersurprise，therewaslittlemilkleft．Shethoughtthecatnextdoorhadstolenthemilk．Thenextday，thesamethinghappened．Shewasalittleangry．Shewentnextdoortotalkaboutthiswiththecat’sowner，butshefoundthattheneighborandthecatwerenotathome．Theywereallonholiday!Whostolethemilk?Shethoughthard．Thensheaskedthemilkmanaboutitthenextmorning．Hesaidthatotherpeoplealsocomplained(抱怨)aboutit．Hesaidthatbirdsmightbethethievesbecausethereweresevenoreightquick—movingbluebirdsfollowinghimwhenhedelivered(递送)themilk．Inordernottolosemilkanymore，peoplemadesomeboxestoputtheirmilkin．Afewdayslater，peoplefoundthatwhenthebirdscouldn’tgetintotheboxes，theyflewdirectlytothemilktruckandhadtheirmealsthere．Howintelligentthebirdsare!Theyusetheftsharpwitstoholdtheirplaceinahumanenvironment．

1．Fromthepassageweknowthat ．

A．themilkmanisathief

B．themilkmanisfriendlytothebirds

C．thebirdsonlylovetoeatmygrandma’smilk

D．thebirdslikeushumanbeingsalealsoveryintelligent

2．Mygrandmawasalittleangrybecause ．

A．hermilkwasgoneagain

B．thecatnextdoorhadhermilkagain

C．herneighbordidnothingwiththeircat

D．themilkmandidn’tbringherenoughmilk

3．Whatdoestheunderlinedwords“sharpwits”mean?

A．Beautifulwings． B．Longfeathers．

C．Intelligence． D．Hardwork．

4．Whenthemilkmandeliveredthemilktoeveryhouse， ．

A．hehimselftooksomeofit B．thebirdsfollowedhimtodrinkmilk

C．peoplewelcomedhimatthedoor D．healwaysbroughtsomebirdswithhim

5．Whatdoesthewriterthinkofthebirds?

A．Theyarehateful． B．Theyaretoohungry．

C．Theyareclever． D．Theyareascleverascats．