题目内容：

On March 14, one of science’s brightest stars went dark. Stephen Hawking, the world-famous British scientist, died at 76 in Cambridge, UK.

Hawking is considered by many to be the greatest scientist in history since Albert Einstein. He came up with the theory that the universe began with the Big Bang and will end in black holes. His theories became the base for a lot of later research. He also wrote books to help common people understand the universe(宇宙).His most famous best-seller is A Brief History of Time，which has sold more than 10 million copies around the world, according to CNN.

Hawking was someone who had a strong will. When Hawking was 21, he had a serious illness that stopped him from walking and talking. Later in life, he had to sit in a wheelchair and “speak” using a computerized voice. But this didn’t stop him from living a meaningful and colorful life.

Hawking traveled the world to attend science meetings, visiting every continent(大陆),including Antarctica. He was also a fan of pop culture and appeared on TV shows such as Star Trek and The Big Bang Theory. He celebrated his 60th birthday by going up in a hot-air balloon； when he was 65, he took part in a zero-gravity flight to experience weightlessness. He hoped to travel into space one day.

In 2013, Hawking spoke about how he felt life was unfair when he was first examined with his illness.

“But now, 50 years later, I can be quietly satisfied with my life,” he said.

1.The underlined word “theory” in the 2nd paragraph might mean      .

A. plan    B. idea    C. advice    D. request

2.The 2nd paragraph mainly tells us about the     of Stephen Hawking.

A. scientific achievements    B. characteristic

C. most famous book    D. meaningful life

3.Which of the following is TRUE about Hawking according to the passage?

A. He visited every continent except Antarctica.

B. He had to move around in a wheelchair after a car accident.

C. He flew in a hot-air balloon to celebrate his 50th birthday.

D. He was interested in appearing on TV shows.

4.Which of the following might be the best title for the passage?

A. Hawking Leaves Our Universe    B. Travelling in Space

C. The Big Bang Theory    D. Life Is Unfair