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A mother Polar Bear sleeps on the frozen tundra with her cub. ; {! V L) X5 E* s) h" L; `
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As the environment becomes worse,the poor polar bears suffer a danger of death.3 z: \# x) ~/ P2 O4 H+ N1 H, J
We should do more things to save them.
( K0 Y5 O; ?0 E+ \what action will you do ? |
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