There are many different kinds of parrots.Some are quite big.Others are very small.Many people like

问题描述:

There are many different kinds of parrots.Some are quite big.Others are very small.Many people like
them because they often have beautiful colours,and because they can talk.
No one knows why parrots can talk.Most birds can not.Some people say that parrots can talk because they have big,thick tongues.But some other birds that can talk do not have big,thick tongues,and some birds that can not talk have big,thick tongues.
Parrots do not usually know what they are saying when they talk.They are only making sounds.However ,they know when to say some words such as "Hello!"and"Goodbye",and they usually know and say their names.
Most parrots come from hot countries,but they can live anywhere.This is one reason why sailors used to take them with them on long journeys.Perhaps another reason was that they wanted someong to talk to.
Parrots are not the only birds that can _____.Usually they do not_____what they are saying.Although they do know their names and_____to say_____and______.they have______,_______tongues.However,this______not be______they can talk because some birds that have the same kind of tongus ________talk.复制搜索

1.talk 2.know
3.when 4.Hello 5.Goodbye
6.big 7.thick 8.may 9.reasons
10.cannot