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  3. 共用题干 The SeaWhat do you know about the sea?We know that it looks very pretty...

共用题干 The SeaWhat do you know about the sea?We know that it looks very pretty...

admin2020-12-24  13
问题 共用题干
The Sea

What do you know about the sea?We know that it looks very pretty when the sun is shining on it.We
also know that it can be very rough when there is a strong wind.What other things do we know about it?The
first thing to remember is that the sea is very big.When you look at the map of the world you will find there
is more water than land.The sea covers three quarters of the world.
The sea is also very deep in some places.It is not deep everywhere.Some parts of the sea are very shal-
low.But in some places the depth of the sea is very great.There is one spot,near Japan,where the sea is
nearly 11 kilometers deep!The highest mountain in the world is about 9 kilometers high.If that mountain
were put into the sea at that place,there would be 2 kilometers of water above it！What a deep place!
If you have swum in the sea,you know that it is salty.You can taste the salt,Rivers,which fi0w into the
sea.carry salt from the land into the sea.Some parts of the sea are saltier than other parts,There i、one sea,
called the Dead Sea,which is very salty.It is so salty that swimmers cannot sink!Fish cannot live in the
Dead Sea!
In most parts of the sea,there are plenty of fishes and plants.Some live near the top of the sca.Othurs
live deep down.There are millions of tiny living things that float in the sea.These floating things are so small
that it is hard to see them.Many fish live by eating them.
The sea can be very cold.Divers,who go deep down in the sea,know this.On the top the water may be
warm.When the diver goes downwards,the sea becomnes colder and colder. Another thing happens.When the
diver goes deeper,the water above presses down on him.It squeezes him.Then the diver has to wear clothes
made of metal.But he cannot go very deep.Some people who wanted to go very deep used a very strong diving
ship!They went down to the deepest part of the sea in it.They went down to a depth of eleven kilometers!
选项 The land takes up 25%of the world.
A:Right
B:Wrong
C:Not mentioned
答案A
解析第一段说“当阳光普照大海时大海看起来很美丽”，但并没说“风平浪静”时也是如此。
第一段的最后一句话说海洋覆盖了地球四分之三的面积，由此可推知陆地只占地球 25％的面积。
第二段涉及大海的深度，但并没说到“平均深度”。
第二段说死海咸度大，鱼类不能生存，但并没说所有生物都不能生存。
第四段说在绝大多数海域，有丰富的鱼类和植物，有些生活在海洋表层，有些居住在深 海，因此说越往海洋深处鱼类和植物越少是没有道理的。
由第五段可知潜水员潜得越深，其承受的水压就越大。
文章结尾说潜水员潜往深水区时，乘坐极其坚固的潜水船是为了抵抗水压而不是为了 防寒。第3部分：概括大意与完成句子
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