根据课文内容，完成思维导图
Title: A rice scientist, a member of the Academy of Engineering
Began $^{(1)}$
| In 1960 | Saw $^{(2)}$
Began $^{(3)}$ |
| In 1964 | Found a natural hybrid rice plant that
$^{(4)}$ |
| In 1975 | Developed $^{(5)}$
with higher production per unit |
| In 1979 | The new type of hybrid rice
$^{(6)}$ . |
| At present | His achievements have helped to increase
$^{(7)}$ by 20%−30%.
Over 100 countries in $^{(8)}$
答案：(1) working as a teacher in agriculture
(2) many people die of hunger
(3) researching how to grow more rice
(4) had many advantages over others
(5) a new type of hybrid rice
(6) was introduced to the USA
(7) rice production
(8) Asia, Africa and America
(9) hybrid rice research
(10) hunger for many people 解析： 本题考查对译林版九年级下册相关课文内容的掌握，需结合课文中袁隆平的生平时间线、科研历程与成就等细节，对应时间节点填写相应事件内容。
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