It is well known that man is much cleverer than any animal. But
which is the cleverest a____ the animals?Some scientists t____ it should be Alex,an african grey parrot.He is unlike
any other animal.He can really t____ with people!
When he says "come here",he really w____ someone to come up
to him.
"Alex is as clever as a c____ of 2 or 3 years old,"says Dr. Pepperberg."He does just repeat the s____ he has been taught
He u____ the word!"
Alex can tell about 50 d____ things,name colours and count
form 1 to 6,is the parrot actually thingking in the w____
how man does?Nobody can say.But the q____ is very interesting."