A lot of animals live in the sea, Which animal is your favourite? Now let's have a look at dolphins.Can dolphins talk? Maybe they have mouths but they can't talk with words. they talk with sounds. They show their feelings with sounds.

They make a few 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.

Dolphins like to swim and play together. We call it "a school". They don't 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. They tell when they are happy or sad or afraid. They say “welcome”when a dolphin comes back to the school.They talk when they play.

Sometimes people catch a dolphin for a large aquarium(水族馆). 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 lonely.

There are many stories about dolphins. They help people. Sometimes they save somebody's life. Dolphins' meat is good, but people don't like to kill them. They say that dolphins bring good luck. Many people believe this.

1.A dolphin can talk with_______.

A.words B.sounds C.mouth D.feeling

2.The word “school”in paragraph 3 probably means “________”.

A.a place for students to study B.a place for studying dolphins

C.many fish swimming together D.many people catching fish

3.What can we learn from the passage?

A.Dolphins would like to stay with other dolphins in their school.

B.Dolphins are fish because they swim together like fish in a school.

C.People don’t like to kill the dolphins because their meat is not good.

D.People can hear dolphins' sounds because they are very, very high.

综合填空

Here is a story: A man sees a butterfly(蝴蝶). The butterfly tries to get out of its chrysalis(蛹). F1.sorry for it, the man decides to help. He cuts the chrysalis and the butterfly comes out e2.. Surprisingly enough, the butterfly is unable to fly. If the butterfly doesn't struggle(挣扎;奋斗)to leave the chrysalis, it can't fly!The struggle develops the e3. in the butterfly which makes it fly. Similarly, the challenges of life bring out the best in young people and make the fly.

When people are young, meeting and overcoming challenges will make them s4. and ready to face life.

When we look at successful people, we see that the most successful of them are people who have had to struggle.

One famous businessman, who now o5.many big supermarkets, used to carry clothes on his back and sell them from door to door when he was young. Another successful man is Dennis. His father died when he was only twenty. He had to b6.up a big family. He took up the challenges and overcame them. Today his brothers and sisters are leading s7. lives.

Sometimes challenges do not appear to us because we keep away from them. So. some parents and teachers actively encourage young people to face challenges. They might organize some a8.for young people which provide them with challenges, like rock—climbing, camping, volunteer work and so on. However, just passing exams will not prepare a person for life. We must meet and overcome challenges. The young people of today will become the leaders of t9.. For countries to continue to become successful, it is i10.that the young people learn to meet challenges and overcome them.

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