题目

Dr.Yuan  _36___ for a way to increase rice harvests without  expanding the area of the fields...Dr. Yuan is now __37___  his knowledge in India, Vietnam and many other less developed countries to increase their rice harvests... __38__  to his research, the UN has more tools in the battle to_39__ the world of hunger. He made people laugh at a time __40___  they felt depressed, so they could feel more__41___ with their lives...His parents were both music hall __42___ . However, people from places like Spain, Italy or south American countries approach others closely and are more__4填空。“书”字共________画，第一画是________，组词________。“本”字共________画，第二画是________，组词________。“早”字共________画，第二画是________，组词________。“尺”字共________画，第二画是________，组词________。“刀”字共________画，第一画是________，组词________。