题目

As we all know, several primary schools and factories were named _____ the hero.    A. from          B. at         C. after       D. to 答案：C 解析: name sb./sth. after sb.以……命名。11．校园里的杨树和柳树共有36棵，杨树的棵数是柳树的2倍，柳树有多少棵？（1）根据题意画出线段图（2）写出从线段图中看出数量间的等量关系．