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I learnt all about evolution when I was about ten years old. I remember it clearly. I thought it was amazing. My mind was full of images of strange creatures crawling out of a green, soupy lake. Fish that had somehow developed legs and the ability to breathe air. Then these creatures turned into all kinds of animals. All the books I read said we came from apes. Scientists are still not sure how. There’s a missing link. When I think about it now, the theory of evolution is a clever concept. The man who thought of it, Charles Darwin, said nature is all about the survival of the fittest. Only the strongest species survive. We are still evolving. Scientists believe we will look quite different a million years from now. I wonder what we’ll look like.
n. 进化，发展，演变
