1. (2019·松江模拟) Questions are based on the following passage.

1. （1） According to Karl, what information is not included in scout bee's dance?

   A . The quality of the food. B . The direction to the food. C . The distance to the food. D . The smell of the food.
3. （2） What is many scientists' attitude towards Karl's discovery?

   A . Appreciative. B . Believable. C . Doubtful. D . Supportive.
5. （3） What made people believe the correctness of Karl's theory?

   A . His winning the Nobel Prize. B . The British scientists' study. C . The videos of bees' life. D . The invention of radar.