【单选题】听力原文:Is there a cheaper way to make the brochures? (A) I' II have to find out about it. (B) I' II be in charge of distributing the brochures. (C) This blouse wasn' t that cheap. (38)
【判断题】直流电动机定子的作用是产生感应电动势和电磁转矩实现能量转换。
【判断题】模式内的切换在响应时间上短于模式间的切换。( )
【单选题】In the 19th century travel became ______.
C.
cheaper, easier and faster
【单选题】I think the trousers are a little expensive , can you show me .
【单选题】下列关于秦朝郡县制的叙述,正确的有:1郡县长官一概由皇帝任免;2形成了中央垂直管理地方的形式;3是官僚政治取代贵族政治的重要标志;4有利于君主专制中央集权的加强