英语课外提高计划（19）综合填空
itiswellknownthatmanismuchclevererthananyanimal.butwhichisthecleveresta（1）theanimals？somescientistst（2）itshouldbeale，anafricangreyparrot（鹦鹉）.heisunlikeanyotheranimal.hecanreallyt（3）withpeople！whenhesays“ehere”，hereallyw（4）someonetoeuptohim.“
“aleisascleverasac（5）of2or3yearsold，”saysdr.pepperberg.“hedoesnotjustrepeatthes（6）hehasbeentaught.heu（7）thewords！”
alecantellabout50d（8）thin