There are 17 kinds of penguins in the world. All of them live in the southern【B1】______. Only a few【B2】______live on the contine

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问题     There are 17 kinds of penguins in the world. All of them live in the southern【B1】______. Only a few【B2】______live on the continent of Antarctica at the bottom of the world. The emperor penguins are the largest. They are about 100【B3】______tall and weigh about 30 kilograms. Their special【B4】______of mating makes them different from all other penguins.
    For thousands or years the emperor penguins have lived on the【B5】______continent of Antarctica. These black and white birds live in large groups or colonies. There are about 40 emperor penguin colonies on Antarctica. In total there are about 400.000 birds.
    These birds spend the summer swimming in the ocean in【B6】______of food such as fish and【B7】______. Penguins are not able to fly, but they are【B8】______swimmers.【B9】______But when summer ends, so does this easy time spent by the water.【B10】______
    【B11】______They must find an area with some shelter from the freezing winds.
【B9】

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答案They can dive as deep as 460 meters and hold their breath for up to 20 minutes.

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