Have you ever seen rabbit’s tail? When a                                   1．________

rabbit see something dangerous, it runs away. Its tail,                            2．________

which is white, moving up and down as it runs. When the                     3．________

others rabbits see this white tail moving up and                                 4．________

down, it run, too. They know there is danger.                                 5．________

The rabbit has told them something not making a sound                          6．________                                         

When a bee has found some foods, it goes back                             7．________

to its home. Though it cannot tell the other bees where                            8．________

the food is by speaking to them, but it does a little                                9．________

dancing in the air. This tells them where the food is.                             10．________