阅读理解：
The sea looks very beautiful when the sun is shining on it. But people are afraid of it when there is a strong
wind.
The sea is very big. It covers （覆盖）three quarters of the earth. The sea is also very deep （深）in some
places. There is one place in the sea. It is about 11 kilometers deep there. The highest mountain （山）in the
world is about 9 kilometers high. If we put the mountain into the sea at that place, there is about 2 kilometers
of water above it.
In most parts of the sea, there are a lot of fishes and small living （有生命的）things.
Lots of fishes eat them. The sea can be very cold. When people go down, the sea becomes colder and colder.
Only some men can go down into the deep sea. But in 1970, five women lived in the deep sea for fourteen days.
1. Why are people afraid of the sea?
[ ]
A. Because the sea is very big.
B. Because the sea is very deep.
C. Because there is a strong wind sometimes.
D. Because the sea will cover the land.
2. Lots of fishes ______.
[ ]
A. don't come out of the sea because it's too hot
B. can't live in the deep sea
C. have enough food because they are good at fishing
D. can eat the small living things if they're hungry
3. In 1970, five women lived in the deep sea for 14 days. This showed ______.
[ ]
A. living in the deep sea was interesting
B. the sea was not cold at all
C. women could do things as men
D. people wanted to know how cold it was
4. Which of the following is NOT true?
[ ]
A. The sea sometimes is very beautiful.
B. Only a quarter of the earth is land.
C. There are a lot of fishes in the sea.
D. If people go down into the sea, they will feel warmer and warmer.