题目

No matter how tough a reform is, it will succeed if we have the determination to ___the barriers of interests．        A．cut down                                             B．break through                           C．tear up       D．knock off 答案：B判断√或×。1、彩和答都是左右结构的字。（_____）2、笑是个三拼音节的字。（_____）3、孩子们快活的脚印就是大海的项链。（_____）