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Can dolphins talk? Maybe they can't talk with words, but they talk with sounds. They show their feelings with __1__.
Dolphins travel in groups. We call a group of fish a
“__2__”. They don't study, but they travel together. Dolphins are mammals(哺乳动物), not fish, but they swim together in a school. Dolphins talk to the other dolphins in the school. They give information. They tell when they are happy or __3__ or afraid. They say“Welcome”when a dolphin comes back to the school. They make __4__ sounds under water. People can't hear these sounds because they are very, very high. Scientists make tapes of the sounds and __5__ them.Sometimes people catch a dolphin for large aquarium. (An aquarium is a zoo for fish.)People can watch the dolphins in a show. Dolphins don't like to be away from their school in an aquarium. They are sad and __6__. There are many stories about dolphins. They help people. Sometimes they save people's
__7__. If you fall into the water and can't swim, they may come up to help you. They swim fast and jump very __8__. They can play with a ball. They can stand up and walk on water! They are friendly __9__ people. Dolphins'meat is __10__, but people don't like to kill them. They say that dolphins bring good luck. Many people believe this.
(1) A .signs |
B .sounds |
C .words |
(2) A .group |
B .team |
C .school |
(3) A .glad |
B .sad |
C .afraid |
(4) A .more |
B .many |
C .much |
(5) A .learn |
B .imitate(模仿) |
C .study |
(6) A .alone |
B .lonely |
C .by itself |
(7) A .lives |
B .living |
C .life |
(8) A .high |
B .highly |
C .easy |
(9) A .with |
B .for |
C .to |
(10) A .well |
B .good |
C .bad |