Unlike some shy animals or some scary ones, dolphins often look like people's friends. They are friendly and close to people. In the ocean（海洋） park, we can see cute dolphins play with people in the water. Dolphins are also very smart. People can teach them to play with balls, play games or even lean English words. People always want to know more about dolphins. They find dolphins like staying together. They even have their own（自己的） "language". They don't sleep at a fixed（固定的） time. But they can sleep and rest when they swim.
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（1）
Which word can not describe a dolphin?
A . Scary.
B . Cute.
C . Smart
D . Friendly
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（2）
Where can we see dolphins play with people in the water?
A . In the ocean park.
B . At school.
C . In the garden.
D . In the playground.
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（3）
What does the underlined word "close" mean in Chinese?
A . 可爱的
B . 狡猾的
C . 亲密的
D . 凶狠的
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（4）
When does a dolphin sleep?
A . It sleeps when it eats food.
B . It sleeps when it plays games.
C . It sleeps when it swims.
D . It sleeps when it plays with balls.
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（5）
Which one is NOT true according to the passage?
A . The dolphin is a smart animal.
B . Dolphins often live together.
C . Dolphins often swim in the water.
D . People can not get close to dolphins.
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