根据短文内容，选择正确的答案。
   Can dolphins （海豚） talk？Maybe they can't talk with words（语言），but they talk with sounds.They show their feelings with sounds.A group of （一群）fish is a"school".They don't study，but they travel （旅行） together.Dolphins are not fish，but they swim together too.Dolphins talk with the other dolphins when they are happy or sad or afraid.They say"welcome" when a dolphin comes back to the school.They talk when they play.They make many sounds under the water.People cannot hear these sounds because the sounds are very，very high.People get the sounds and study them.Sometimes people catch dolphins for a large aquarium （a big zoo for the fish）.People can watch the dolphins in a show.Dolphins don't like to go away from their school in an aquarium.There are many stories about dolphins.They help people.Sometimes they save（救） people.
（1）Dolphins can talk with

A

A

.
A．sounds
B．words
C．feelings
（2）A group of fish is a"school".Why？

C

C

A．Because they can study together.
B．Because they can go to school together.
C．Because they can go to many places together.
（3）What does aquarium mean？

B

B

A．马戏团
B．海洋馆
C．展览馆
（4）People can't hear dolphins' sounds because

A

A

.
A．the sounds are too high
B．dolphins can't talk
C．dolphins don't like people
（5）Which one is NOT true？

A

A

A．Dolphins want to go away from their school.
B．Dolphins sometimes save people.
C．People can watch dolphins in an aquarium.