Yuan Longping, the Father of _____________(超级杂交水稻), is a famous scientist. He ____________(奋斗) for the past five __________(十年) for the Chinese farmers. In 1953 _______ Dr. Yuan graduated _______ college, ________(hungry) was a _________(disturb) problem in many parts of the countryside. _________, Yuan wanted to help ________ his motherland of hunger by _________(increase) the rice output without __________(expand) the area of the fields and he made it.

increasing

Super Hybrid Rice

has struggled

decades

when

from

hunger

disturbing

Therefore

rid

expanding