Book4 M4 composition(李晓婉) Yuanlongping is a great scientist who is devoted to agriculture. Let me introduce him. From an early age he was hard-working and was curious about everything, that is why he was given the nick name, “the student who asks questions.”.He studied agriculture in collage and began experiments in crop breeding. He thought that only by crossing different species of rice plant can we solve the food problem. Step by step, Yuan became the leading figure of the rice-growing world. In 1970 he made a breakthrough which is supported by government. Yuan made a contribution in agriculture, not only to China, but to the whole world. As far as I am concerned, he is more than a scientist. He is a hero. 本文来源：https://www.wddqw.com/doc/db4a492bb91aa8114431b90d6c85ec3a87c28b96.html