Robert Ballard was born in 1942. From an early age, he loved the sea. Ballard grew up in Southern California. He spent his free time at the beach near his home. He enjoyed fishing and swimming. He even learned to dive. When Ballard wasn’t at the ocean, he loved reading about it. At age 10, he read 20,000 Leagues Under the Sea, a book which describes the undersea adventures of Captain Nemo. Ballard decided he wanted to be like Captain Nemo when he grew up. His parents helped him follow his dream.

Ballard was a hard-working student. He spent many years learning all he could about the ocean. By the age of 28, he was an expert. In 1970, he took a job as a scientist at Woods Hole Oceanographic Institute in Massachusetts. There he studied underwater mountains of the Atlantic Ocean. He came up with ways to predict(預(yù)知) volcanoes under the oceans. Working with other scientists, Ballard also found previously (以前) unknown sea animals. These animals lived far below the ocean’s surface, where scientists had believed no animals could live.

By the 1980s, Ballard’s interests changed. He developed unmanned（無(wú)人的）vehicles to explore the ocean bottom. His first find, the well-known ship Titanic, made Ballard famous. He was not happy with just one big find, however. He looked for and found other well-known ships. One was the German battleship Bismarck. Another was the U.S.S. Yorktown, an aircraft carrier (航空母艦) that sank during World War II.

Today Robert Ballard is still an underwater explorer. He also heads an organization that encourages students to learn about science. Ballard hopes that some of the students will follow in his footsteps. After all, the world’s huge oceans are mostly unknown. Who knows what remains to be discovered under the sea?

1.What was Ballard’s dream when he was young?

A．To be a science teacher.

B．To be a famous writer.

C．To be an animal expert.

D．To be an underwater explorer.

2.When Ballard worked at Woods Hole Oceanographic Institute, he _____.

A．explored the undersea world by ship

B．thought of ideas to predict underwater volcanoes

C．found some unknown sea animals alone

D．set up an organization to teach students science

3.Which is the correct order of the events mentioned in the text about Ballard?

a. He found the German battleship Bismarck.

b. He read a book about Captain Nemo.

c. He found the famous ship Titanic.

d. He became an expert in science.

A．b-c-d-a B．d-b-c-a

C．b-d-c-a D．d-c-a-b

4.What can we learn from the text?

A. Ballard was greatly influenced by 20,000 Leagues Under the Sea.

B．Ballard didn’t like fishing and swimming in his childhood.

C．Ballard’s parents felt disappointed at his undersea adventures.

D．Human beings have explored more than half of the sea.

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