Unit 9. Undersea world

Chia sẻ bởi Phạm Tấn Hoàng | Ngày 08/05/2019 | 41

Chia sẻ tài liệu: Unit 9. Undersea world thuộc Tiếng Anh 10

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UNDERSEA WORLD
Whales are …………………(1)that live their entirelives in the water.Some whales are huge. The blue whale ,for example,grows to ……………(2)in length and over ………………..(3) tons in weight.It is the largest ……………………(4)that has ever lived on earth.Whales may also be the most intelligent animals in the ocean.
Whales like to feed in the cold………………(5) where there is a lot of krills-their favourite food.Cold water in the North and South Atlantic Ocean and North and South Pacific are good feeding grounds for whales.Some whales are known to migrate into …………..(6) water to bear their calves.
Whale population s decrease quickly due to heavy hunting pressure.Conservation groups have asked the International Whaling Commisio to stop most whaling.However,Na tive American hunter,such as the Eskimos ,are still allowed to hunt a limited number of whales to feed their communities.If no effective measures were taken to protect whales,these wonderful animals………………forever
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