No, we don't master Kung Fu like Bruce Lee, Jackie Chan or Kung Fu Panda.
We do not eat every kind (and every parts) of animals.
Yes, Chinese can have more than one baby. I have one sibling and my wife has six siblings.
China is not as poor and uncivilized as you think. If your first China destination is Shanghai, Beijing or Guangzhou, you will be amazed.
China is not as rich as you think. There is another "poor China" in the rural west.
Chinese do not speak one single language of Chinese. For myself, my mother tongue is Min Nan dialect and the Mandarin is mainly used to communicate with people from other parts of China. The difference between Min Nan and Mandarin is much more than that between English and German.
Myth: Most Chinese are Buddhists.
Fact: Most Chinese are actually atheists.
However, Confucianism and Buddhism have influenced Chinese culture for thousands of years and they affect almost every Chinese's thoughts and behaviors in a subtle but significant way.