【单选题】---- Why don’t you look ________ today? ---- My parents seem ________ with me.
【单选题】I don' t understand_____believe me.
【单选题】You look so tired. Why ____________ to have a rest ?
【单选题】—It look like rain. Why not take ______ umbrella with you? —Thank you. But I don't think it's necessary. [ ]
【判断题】( )从理论上讲,闭环控制的运动精度主要取决于检测装置的精度,而与传动链的误差无关。
【单选题】Why not look up the new word in a dictionary _____ you don’t know it ?
【多选题】同法律规范相比,道德规范_________。
【简答题】我国高速公路网指的是新路网由( )条首都放射线、( )条南北纵向线、( )条东西横向线组成,简称为( )网。
【单选题】You look tired. Why ___________ a rest? [ ]