填空题

  • A. How Sea Cucumbers Defend Themselves.
  • B. Places Where Sea Cucumbers Live.
  • C. Eccentricities of Sea Cucumbers.
  • D. Favorite Food of Sea Cucumbers.
  • E. Eating Habits of Sea Cucumbers.
  • F. Color and Shape of Sea Cucumbers.

Paragraph 3 ______

【参考答案】

F
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填空题
For a long time, sea cucumbers can live at a low metabolic rate and be ______
单项选择题
Pictures of animals were painted on the walls of caves in France and Spain because ______.
A．the hunters wanted to see the pictures.
B．the painters were animal lovers.
C．the painters wanted to show imagination.
D．the pictures were thought to be helpful.
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