高中英语第六册unit14 The Language of Honey-bees?课件
6. Which of the following statements is right?
Animals do have a language like that of human beings.
When Professor Karl von Frisch placed little dishes of milk on the table, bees soon came.
In order to be able to watch the bees scientifically, he built some special hive, a glass wall and marked the bees with little spots of colour.
When a marked bee returned to the hive from the feeding table, it began to perform a dance on the surface of the ground.
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