题目

玉米和水稻是吉林省主要的粮食作物，它们的种子里储存营养物质的主要结构是（ ） A . 胚乳 B . 胚根 C . 胚芽 D . 子叶 答案：AAfter the rebuilding our school is becoming _______. [     ]A. more and more beautiful B. more beautiful and beautiful C. beautiful and beautiful D. the more beautiful