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Scientists will put some robot fish into the sea near Spain this year. These robot fish will help people find out the pollution in the water. If the robot fish are able to finish their work successfully, the scientists hope the fish will be used in rivers, lakes and seas around the world.

The robot fish are about 1.5 metres long. There will be a detector (探測器) in each fish’s

body. It can find the pollution in the water, and then the robot fish will eat part of it.

Unlike other robots, the robot fish don’t need to be operated (操作) by people far away. The robots all have a big battery (電池) that can last for about eight hours. They can “swim” in the sea freely and send back information to people on the beach. After their batteries run down, they will go back to the beach by themselves.

There are five robot fish altogether. Each costs about 29,000 dollars. They are part of a three-year project by the joint effort of the engineering company BMT Group and University of Essex in England.

1.The robot fish will help people find out in the water.

A. more fish B. the treasure C. some batteries D. the pollution

2.What will the robot fish do if they find the pollution in the water?

A. They will eat part of it. B. They will stop working.

C. They will tell people where it is. D. They will take it to the beach.

3.How long can the robot fish work before they have to go back to the beach?

A. They can work for five hours. B. They can work for eight hours.

C. They can work for twelve hours. D. They can work for one day.

4.The five robot fish cost about dollars altogether.

A. 14,500 B. 29,000 C. 145,000 D. 1,450,000

5.Which of the following statements is true according to the passage?

A. The robot fish can eat anything in the water.

B. The robot fish need to be operated by people.

C. The robot fish are 1.5 metres long and they look like sharks.

D. The robot fish can go back to the beach when the batteries run down.

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