공통영어1 천재 조수경 3과 변형문제

There is a Korean man who became ____ chief of a Nigerian tribe for making huge contributions to Nigeria’s agriculture and economy. Here is his story.

Dr. Hahn is an ____ who specialized in plant breeding.

Growing up right after the Korean war, he knew what it was like to be hungry, and he wanted to help ____ in need.

In 1971, he was given two opportunities: work ____ Cambridge University or for the International Institute of Tropical Agriculture in Nigeria.

On his way to ____ for a job interview, he first stopped in Nigeria.

There, he saw the country had been destroyed by a ____ war.

More than 2 million ____ had died, and more than half a million people were starving.

Dr. Hahn wanted to rescue Nigerians from ____

So, he persuaded his family ____ moved to Nigeria.

When Dr. Hahn got there, he learned that the staple ____ in Nigeria was a plant called cassava.

Unfortunately, cassava was defenseless against viral and bacterial diseases, so it ____ not yield much crop.

Knowing this, ____ decided to develop stronger cassava varieties with higher yields.

However, Dr. Hahn faced a problem: there was not ____ information available about cassava.

Cassava was rarely studied or ____ because it was not a cash crop.

To make matters worse, he had never seen or eaten cassava ____

While ____ African cassava, Dr. Hahn found out that the Europeans who colonized Brazil had first brought cassava into Africa.

He immediately flew to Brazil to study the original ____

There, he learned about it and went back to Nigeria with Brazilian ____ seeds.

Then, Dr. Hahn traveled to ____ corner of Nigeria and collected different types of local cassava to see if they were good at fighting diseases, but they weren’t.

Fortunately, he found a plant that ____ similar to cassava but resistant to diseases.

He started crossing this plant with the ____ cassava.

After five years of hard work, Dr. Hahn finally succeeded in ____ new varieties of cassava.

They yielded much more than the local ones and ____ survive diseases.

Another obstacle Dr. Hahn faced was distributing the new ____

Local farmers would not listen ____ a foreigner.

To overcome this problem, Dr. Hahn ____ markets, churches, and schools and gave out the new varieties to Nigerian people for free.

He went from one house to ____ next to let farmers know the superiority of these new varieties.

Sometimes he planted them in the middle of the ____ field without telling the farmers.

His colleagues were ____ that the farmers might be angry to find different cassava in their fields.

However, Dr. Hahn insisted that the farmers would think that it was a ____ from God.

He was right. The farmers soon realized the superiority of ____ new varieties, and more and more farmers started to cultivate them.

Thanks to ____ new cassava, fewer people were starving.

In fact, they could even make more money ____ selling the remaining cassava.

____ Nigeria became the country that produced the greatest amount of cassava in the world.

In 1983, the Yoruba, a major tribe of Nigeria, honored Dr. Hahn as a chief with the title “Seriki ____ or “the King of Farmers.”

In addition to cassava, Dr. Hahn developed other major ____ including yam, sweet potato, and banana.

Soon, other ____ countries asked for his help.

Dr. Hahn traveled to these countries to teach local farmers and scholars how ____ grow these new varieties.

He spent 23 years developing and distributing the ____ cassava varieties to the whole continent.

Although he left Nigeria ____ 1994, he is still remembered as one of the greatest scientists who fought against starvation in Africa.

Dr. ____ once said, “If you have faith that what you do will benefit humanity, I believe that you must sacrifice yourself.

Even if I were to go back to the past, I would still do the ____ thing.”