【单选题】The people who objected to the new approach were told that since work had already stared there was no point in ______.
【单选题】People who work in offices are __________ as " white-collar workers " for the simple reason that they traditionally wear a white shirt with a collar and a tie to go to work.
【单选题】依据我国继承法的相关规定,口头遗嘱属于( )。
【单选题】判断口腔健康的标准包括以下三个方面,即具有 ()。
【单选题】1981 年WHO制定的口腔健康标准 不 包含下列哪一项