A: What things live in the sea water?

　　B: There are lots of living thing.

　　A: Is the water cold?

　　B: Yes. The deeper, the colder.

　　6. Do the exercise.

　　Let’s practise (Ⅰ)

　　A: This is a reading comprehension. Through reading it ,we can know more about the sea. 這是一道閱讀題，通過閱讀，我們可以對大海了解得更多。For example,

　　A: Where does the salt in the sea from?

　　B: The rivers carry the salt from the land into the sea.

　　A: What live in the water?

　　B: Many fishes and plants. The fish live on the plant.

　　A: What is the temprature of the sea water?

　　B: On the top, it is warm, but it becomes cold at the bottom.

　　Let’s practise (2)

　　A: This is a reading exercise, after reading it, we should jugde the statement true or false. 這也是一道閱讀題，閱讀完以后，我們要判斷下面的句子是對是錯(cuò)。

　　The deepest part of the water is near the USA. No

　　The highest mountain in the world is 11 km high. No

　　If you put the highest mountain in the deepest place of water, there would be 2 km of water above. Yes

　　People can go down into the deepest water of the sea. Yes

　　Scientist can go to the deepest place of the water by underwater ship. Yes

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