离心式鼓风机由那些部件组成？
参考答案：
机壳、转子组件（叶轮、主轴）、密封组件、轴承、润滑装置及其他辅助零部件组成。
颜料的“三原色”是指______、______、______．
(江苏省南通市2009期末调研)I don’t think that your lecture _______ the audience, for they appeared quite puzzled.
A．got across to
B．got close to
C．got away with
D．got along with
