There are all kinds of horses in the world. But one of them you can't ride. It doesn't live on land, but in the sea. Its head looks like the head of a horse .So people call it a "sea horse." In fact, The sea horse is a small fish. It likes to live in warm water. A sea horse always stands up in the water when it swims.
The mother sea horses give eggs, but they put the eggs inside father's body to keep them safe in its pouch until they hatch()孵化. When the eggs are hatched after 40 to 50 days, the baby sea horses swim away.
根据短文内容，选择正确答案。
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（1）
The sea horse is ______________
A . a horse
B . a fish
C . an egg
D . a bird
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（2）
The ________ of a sea horse looks like a horse's.
A . head
B . back
C . color
D . mouth
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（3）
Sea horses live _________
A . in deep water
B . in the air
C . in cold water
D . in warm water
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（4）
Sea horses are different from other animals in that __________
A . father sea horses keep eggs
B . mother sea horses give eggs
C . father sea horses gives eggs
D . they can swim
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（5）
How many days may the eggs be hatched?
A . 20 days
B . 30 days
C . 49 days
D . 56 days
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