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[老师已改] 雅思写作---剑10 test 4 task1

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发表于 2015-6-10 20:58 | 小站托福TPO客户端

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The diagrams illustrate the life cycle of salmon, a species of large fish.

The whole life cycle of salmon can be devided to three processes. In the begining, salmon fish, only 5 to 6 momis, stick to small stones under the reeds and keep moving slowly in upper river. And then, the eggs grow to fry, which is about 3 to 8 cm. In the next four years, the fry live in the lower river, which is, unlike upper river, fast flowing. It is not until the fry become the smolt that they begin to swim to open sea. Before they grow to adult salmon, the smolt live in open sea for about five years and grow from 15 cm to more than 70cm. After that, adult salmon will go back to upper river and give birth to salmon eggs.

The whole life of salmon can be summarized as eggs in upper river, the fry in lower river and adult salmon in open sea.
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