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& L# d% X% c5 _ F A mother Polar Bear sleeps on the frozen tundra with her cub. : i: A3 B5 T% \- m/ C
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As the environment becomes worse,the poor polar bears suffer a danger of death. - B, R- N. z4 k) a. OWe should do more things to save them. 7 e" J, f4 z; K; F# e! z( c
what action will you do ?
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发表于 2008-1-18 23:58:17
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发表于 2008-1-19 00:14:23
