学进去

   Yuan Longping was born in Beijing in 1930. One day, he saw many _________ people holding empty bowls in the street. And he also heard that some people even died _________ they had nothing to eat. He was very sad and _________ to become a scientist to change the situation. Later, he and _________ team did a lot of experiments to develop a new kind of rice. At the beginning, they _________ many times. But they never gave up. They tried again _________ again in the field, no matter how hard it was. _________, they succeeded in growing super hybrid(杂交) rice after years of efforts. Yuan Longping was very _________ because his dream came true. Now farmers can harvests(收获) more _________ than before. And Chinese people will not suffer __________ hunger any longer. He will never be forgotten.