33.Father of Hybrid Rice,Chinese scientist Yuan Longping,died of illness at 91 on Saturday,(1)
22,2021.His passing is a great loss for all of us. Yuan Longping was born in Beijing in 1930.From the beginning of 1964,he began to study hybrid rice technology.(2)
he experienced a lot of failure,he didn't give(3)
.Finally,he succeeded in developing the high-yielding hybrid rice.The achievements greatly increased rice production.At the same time,Professor Yuan(4)
his knowledge and technology with foreign scientists.It helped the developing countries solve the food shortage problem. (5)
teenagers,we should save the food and learn the spirit from him.Let's study hard to work for our country together.