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    David Ho is one of the most famous scientists in the world because of his research on fighting AIDS.

    He was born in 1952 in Taiwan， China. He was given the name He Dayi. Dayi means “Great One” in Chinese. His family moved to the United States when he was 12 years old.

    David was a smart student and he first studied Physics. He quickly realized that he was interested in life science， so he went to Harward Medical School. It was there that he saw people who had AIDS. In the early 1980s， AIDS was almost unknown and Ho made up his mind to study this mysterious (难解的) killer disease.

    Ho discovered that the HIV virus（病毒） could survive in a healthy person’s body for years. He realized that the earlier a person with HIV is treated， the longer he will live.

    His work is very important. With the help of his research， combinations of drugs (合成药) have been developed and the lives of thousands of people have been saved. The whole world was grateful to him. Because of his work， he was named Time magazine’s Man of the Year in 1996.

    At 37， he was appointed (任命) Director of the Aaron Diamond AIDS Research Centre in New York. In recent years， he has been doing research on making a vaccine (疫苗) against AIDS. If Ho finds a vaccine for AIDS， he will become an international hero.

    根据以上材料内容，填写合适的单词完成表格。

    David Ho， a great scientist fighting AIDS

    Childhood

    He was born in Taiwan and moved to the USA at 12. The 1. _______ of his Chinese name is “Great One”.

    Education

    He showed much interest in life science. So he 2._________ to study AIDS in the early 1980s.

    Discovery（发现）

    He discovered the HIV virus could stay 3._______ for years. And he realized if a person with HIV is treated earlier， he will live longer.

    The 4. __________ of his work

    People have developed combinations of drugs and many people have been saved.

    New research

    5._______， he has been researching on making a vaccine. He is on his way to be a hero.

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