Dolphins are able to communicate __ each other.Scientists suspect __ they may actually have a language but are as yet unable to say exactly __ the squeaks, whistles and whines mean.The dolphins __ also able to send out sounds __ bounce back like echoes.In __ way,they are able to locate rocks and schools of fishes.A fisherman can similarly locate schools of fishes by using a device called __ echo-sounder.We have thus learnt a valuable lesson __ the dolphins.In the near future, it may be possible for us to understand the secret language of the dolphins.We will then be able to know what __ are saying about __ as we watch themperform their clever in the amusement parks.
2006-11-21
17:10:09
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2006-11-21
17:11:32 ·
update #1