【单选题】教师在教学中的有效性怎么样( )。[The instructor"s effectiveness in teaching the subject matter was:
【单选题】薄壁零件精加工日,最好应用( )装夹工件,可以避免内孔变形。
【单选题】-- ? --I have a sore throat.
C.
What’s matter with you
【判断题】The de-contextualized, dictionary-copy like activities should be employed in vocabulary teaching.
【单选题】— ? — I have a headache.