孔子曰：“政者正也，子帅以正，孰敢不正。”“其身正，不令而行；其身不正，虽令不从。”这说明中 * * 历来很重视领导者的榜样作用。
参考答案：对
________volcanoes now for many years, I am still as enthusiastic about my job as the first day I first______.
A．Studied, started
B．Have studied, started
C．Having studied, started
D．Having studied, starting
涵台沉降缝处理时，填塞的防水材料应是什么？
