There are no polar bears in the south pole同义句 There are---- ---- polar bears in the south pole.

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• There are no polar bears in the south pole同义句 There are---- ---- polar bears in the south pole.
• The polar bear is a very big white bear.We call it the polar bear because it lives inside the Arctic Circle(北极圈）near the North Pole(北极）.There are no polar bears at the South PoleThe polar bear lives in the snow and ice.At the North Pole there is snow,ice and water.There is not any land.You can't see the polar bear in the snow because its coat is yellow-white.It has a very warm coat because the weather is cold north of the Arctic Circle.This bear is th
• There are no polar bears in the south pole同义句 There are---- ---- polar bears in the south pole.
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• 已知{an}为等比数列an>0且a2a9=81,则以3为底a1的对数+以3为底a2的对数+……+以3为底a9的对数+以3为底a10=?