题目内容

发散思维演练

  SARS(severe acute respiratory syndrome)threatens people's lives in the world. What do you think has caused this horrible disease? How to free yourself from SARS?

  I think ________ because there is much evidence showing that________.

  It's ________ to keep wild animals in cages in the zoos because________.

  The biggest threat mankind is facing is ________(war, disease, earthquake, other disasters)because ________.

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