Can dolphins (海豚) talk? Maybe they can not talk with words, but they can talk with sounds. They show their feelings with sounds. Dolphins travel in a group. We call a group of fish a "school". They do not study, but they travel together. Dolphins are mammals (哺乳动物), not fish, but they swim together like fish in a school. Dolphins talk to the other dolphins in the school. They give information to the others. They talk when they are happy, sad or afraid. They say "welcome" when a dolphin comes back to the school. They talk when they play.
They make some sounds above water. They make many more sounds under water. People cannot hear these sounds because they are very, very high. Scientists make tapes of the sounds and study them. Sometimes people catch dolphins for a large aquarium (水族宫). People can watch dolphins in a show. Dolphins do not like to be away from their school in an aquarium. They are sad and lonely. There are many stories about dolphins. They help people. Sometimes they save somebody's life. Dolphins' meat is good, but people do not like to kill them. They say that dolphins bring good luck. Many people believe this.
1）要点：动物的外貌、习性及特点。
2）词数：50左右。
— It's across from the library.
—________ are in the library.
your project about?
Susan is a great girl. At school she always follows the (rule). She always arrives at school on time. And she always (wear) her uniform to school. At school she never fights her classmates. In the classroom, in the dining hall or in the library she always keeps quiet. When the classroom, the dining hall and the library (be) dirty, she always helps to clean (they). Her teachers and classmates like her very much.
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