未知题型 根据《房屋建筑与装饰工程工程量计算规范》，墙、柱面装饰工程中，内墙面抹灰工程量的计算规则，应扣除（ ）。

单项选择题 常见的岩石的比重一般为（）。

单项选择题 听力原文：W: Mark, how do you feel about this latest tax increase?M. Well, as far as I'm concerned, it's regrettable, but it's necessary, I'm afraid.What does Mark think about the latest tax increase?A．He thinks it is necessary.B．He thinks it is regrettable.C．He thinks it is both regrettable and necessary.D．He doesn't think much about it.