题目内容：

In the rice-growing world, the Chinese 1.(science), Yuan Longping, is a leading figure. Yuan Longping was born and brought 2. in China. 3. (educate) in many schools as a boy, he was given the nickname, “the student who asks questions”.

From 4. early age, he was interested in plants. He studied agriculture in college and as a young teacher he began experiments in crop breeding. He thought that the key to 5. (feed) people was to have more rice and to produce it more quickly. He thought he could do it by crossing different species of rice plant, and then he could produce a new plant 6. could give a higher yield than either of the original plants.

First Yuan Longping experimented with different types of rice. Then he began his search for a special type of rice plant. It had to be male and sterile. Finally, in 1970 a 7. (natural) sterile male rice plant was discovered. As a resultof Yuan Longping’s discoveries, Chinese rice production rose by 47.5 percent in the 1990’s.

In Pakistan rice is the second 8. (important) crop after w heat and will be grow n in many parts of the country. The newhybrid rice has been developed by the Yuan Longping High-tech Agricultural Company of China. Its yield is much greater than 9. of other types of rice 10. (grow) in Pakistan.