He wants everyone to call him a farmer.For that's how he ___1___ himself. ___2___ into a poor farmer's family in 1931,Dr Yuan graduated from SouthWest Agriculture college in 1953.Since then,he has ___3___ his life to finding ways to grow more and more rice.Dr Yuan ___4___ a way to increase rice harvests without ___5___ the area of fields. ___6___ his research,the UN is trying to ___7___ the world of hunger.You might guess that Dr Yuan,who is now rich and famous,is ___8___ his life.However,he cares about little spending the money on himself or ___9___ a comfortable life.Indeed,he believes that a person with too much money has more, ___10___ few troubles.??