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It is well-Known that man is much cleverer than any animal.But which is he cleverest (1)a____ the animals?Some scientists (2)t____ it should be Alex,an African grey parrot.he is unlike any other animal.He can really (3)t____ with people!
When he says”come here”,he really (4)w____ someone tlo come up th him.”
“Alex is as clever as a (5)c____ of 2 or 3 years old,”says Dr.Peter.”He does not just repeat the (6)s____ he has been taught.He (7)u____ the words!”
Alex can tell about 50(8)d____ things,name seven colours and count from 1 to 6.Is the parrot actually thinking in the (9)w____ how man does?Nobody can say.But the (10)q____ is very interesting.