1.The sea looks beautiful when it is calm.
A.Right B.Wrong C.Not mentioned
2.The land takes up 25% of the world.
A.Right B.Wrong C.Not mentioned
3.The sea is 6 kilometers in depth on average.
A.Right B.Wrong C.Not mentioned
4.The Dead Sea is so salty that nothing can live in it.
A.Right B.Wrong C.Not mentioned
5.The deeper one goes down in the sea,the fewer fishes and plants he can find.
A.Right B.Wrong C.Not mentioned
6.The deeper a diver goes down in the sea,the greater water pressure he hears.
A.Right B.Wrong C.Not mentioned
7.Divers have to use a very strong diving ship when they want to go down to the deepest part of the sea mainly because it is extremely cold there.
A.Right B.Wrong C.Not mentioned
参考答案：CACCBAB
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