Can dolphins talk ? Maybe they can’t talk with words ,but they can talk with sounds . They show their feelings with sounds .
Dolphins travel in group . We call a group of them a “school “. They don’t study , but they travel together.
Dolphins talk to other dolphins in the school .They give information . They tell 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 a few sounds above water . They make many more sounds under water . People can hear these sounds because they are very high .
Sometimes people catch dolphins for large aquariums . People can watch the dolphins in a show . Dolphins don’t like to be in the aquarium , being away from their school . They are sad and lonely if they do so .
There are many stories about dolphins . They help people . Sometimes they save someone’s life . Many people believe that dolphins can bring good luck .
Dolphins show their feelings with ________.

A．pictures

B．words

C．waves

D．sounds

Dolphins __________ in the school according to the passage.

A． give information

B．don’t tell other dolphins when they are afraid

C． talk when they sleep

D．say “ sorry” when a dolphin comes back

People can’t hear the dolphin’s sounds because ______________>

A．they are above the water	B．they are under the water
C．they are very high	D．they are very low

Many people believe that dolphins can bring_______________.

A．good luck

B．health

C．wealth

D．danger

Which of the following is TRUE ?

A． Dolphins study in the school.

B．Dolphins travel in a group.

C．Dolphins like to be away from their school.

D．Dolphins sometimes kill people.