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The shark is a meat-eating fish and one of the most feared animals of the sea. Scientists identified about 250 species of fish as sharks. These fish live in oceans throughout the world, but they are most common in warm seas.

Sharks vary greatly in size and habits. Whale sharks, the largest kind of shark, may grow 60 feet long. A whale shark weighs up to 15 tons, more than twice as much as an African elephant. The smallest shark may measure only 4 inches long and weigh less than 1 ounce. Some kinds of sharks live in the depth of the oceans, but others are found near the surface. Some species live in coastal waters, but others dwell far out at sea. A few species can even live in fresh water.

All sharks are carnivores ( meat-eaters). Most of them eat live fish, including other sharks. A shark’s only natural enemy is a larger shark. Sharks eat their prey whole, or tear off large chunks of flesh. They also feed on dead or dying animals.

How many species of sharks are there?

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Many people now think that teachers give students too much homework. They say that it is unnecessary for children to work at home in their free time. Moreover, they argue that most teachers do not properly plan the homework tasks they give to students. The result is that students have to repeat tasks which they have already done at school.

Recently in Greece many parents complained about the difficult homework which teachers gave to their children. The parents said that most of the homework was a waste of time, and they wanted to stop it. Spain and Turkey are two countries which stopped homework recently. In Denmark, Germany and several other countries in Europe, teachers cannot set homework at weekends. In Holland, teachers allow students to stay at school to do their homework. The children are free to help one another. Similar arrangements also exist in some British schools.

What do many people think?

Read the following passage and choose the most appropriate answer from A, B, C or D.

Music is a very important part of our lives. Music is for dancing, drinking, eating, loving and thinking. Some songs remind us of our childhood or youth. Others remind us of the people we love. Many important occasions, like weddings and funerals have special music. Every nation has a national song like the American “ The Star – Spangled Banner ”. In the U.S. , high schools and colleges have school songs, too.Music is a part of the history of America. It expresses the problems and feelings of its people. As the years pass, the music grows and changes.Modern science has also changed music. Inventions like records, radio, movies, electric instruments, tape recorders and video have changed the way we play and listen to music. They have helped to make music an important form of international communication.American music, from the earliest folk songs to modern “ pop ”, is known around the world. Music is one of America’s most important exports. It brings the people of the world together. Even when people can not understand the same language, they can share the same music. Understanding American music can help you understand American people, their history and culture.

What is true about “ The Star – Spangled Banner ”?

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In England boys and girls go to school five days a week. They don't go to school on Saturdays and Sundays. Lessons usually begin at nine o'clock. Each lesson lasts forty five minutes. At fifteen past eleven they have a quarter of an hour's break in which they drink milk. Some pupils eat sandwiches or biscuits which they bring from home. Then they have two lessons more. After that they have a lunch break. Some pupils go home for lunch, but many have it at school. At two o'clock, school begins again. These are two more lessons. For the next forty minutes they do some of their homework or have a club meeting or play games like football. They go home at about four thirty in the afternoon.

How many days a week do boys and girls in England go to school?

How many lessons do they have in the morning?

According to the passage, music is changed thanks to the invention of the following EXCEPT …

The word exports in the last paragraph is nearest in meaning to …

What is the earliest form of music in America?