Read the passage and fill in the blanks with proper words (在短文的空格内填入适当的词使其内容通顺，每空格限填一词，首字母已给)
What do you know about the sea? Every body knows that the sea looks beautiful when the sun is shining on it. But it becomes very terrible when there is a 1.s________wind. If you study the map of the world, you'll learn that about three 2.q________of the world is covered with the sea.
Have you ever been at sea? The sea is very deep. In some places it is much deeper. The 3.h________mountain in the world is about 9 kilometres high while the deepest place of the sea is almost 11 kilo metres deep.
The sea can be very cold. At the top of the sea the water may be 4.w________. But if you go down, it becomes colder and colder. In most places of the sea there are lots of fishes and 5.p________. Some live near the top of the sea. 6.O________live deep down. You know the sea water is salty. The water of the Dead Sea is very salty. It is so salty that fish 7.c________live in it. What a strange sea!
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