22. What can you do in A Bird's World?
A. Improve your own flying techniqueB Communicate with birds in body languag
C Watch digital media showing birds'history D See different birds from all over the world
23. What is special about BODY WoRLDS The Cycle of Life?
A. It is related to human bodyB. It lasts for only a limited time.
C. It is the most visited exhibition in the world D. It has something to do with the growth of life