Revision: Retell the text

work the land…for the past five decades… become an agricultural pioneer… be born into a poor family…devote one’s life to…see the great need for doing sth… increase the rice output, search for a way to do sth…circulate one’s knowledge, thanks to…, rid the world of hunger, be satisfied with…, care little about…, spend money on…, lead a comfortable life, have troubles, equip sb. for sth, keep one’s time for…, play one’s violin, wish for…, in a dream, an ear of rice, a grain of rice, awake from one’s dream