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 $^{(8)}$
Title: A rice scientist, a member of the Academy of Engineering
Began $^{(1)}$
Began $^{(3)}$
$^{(4)}$
with higher production per unit
$^{(6)}$ .
$^{(7)}$ 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
(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。