22. For many Chinese people, rice is very important. But for Yuan Longping, rice is (1)
(he) life-long career (事业). On May 22, China's "father of hybrid rice (杂交水稻)" passed away at the age of 91. People around the world were sad (2)
(hear) of his passing.
In the 1960s, people in China (3)
(not have) much food to eat. Many people even lost their lives because of this. Yuan was sad and then he started to work on a kind of hybrid rice. He (4)
(think) this rice could feed more people.
At the time, other (5)
(scientist) didn't think hybrid rice was OK. But Yuan wanted to try again and again. He spent four years (6)
(look) for wild (野生的) rice that could be crossed (杂交) with other plants. In 1964, he (7)
(find) it.
In 1973, he grew the world's (8)
(one) hybrid rice strain (品种). It got a high yield of over 500 kg per mu. Now farmers can grow it on many different (9)
(kind) of land.
Yuan was a famous scientist. But he called himself a (10)
(farm). He spent most of his time in the field (田地). Yuan himself also said, "Everyone is like a seed. We should try to grow into good people." (人就像一粒种子, 要做一粒好种子。)