6.listened to a (speak) by a man from the Work Wide Fund for Nature.

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   We sometimes say the lion is “the king of the jungle ”  because it is stronger and more dangerous than the other animals. It can run  faster than most other animals and it can hunt better. Ihe lion is the highest animal in the ① food chain. In the sea,the shark is at the top of the food chain. It can swim faster than most other sea animals. It can also use its big teeth to catch other sea animals and eat them.

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1.①   ②

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