【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。
【简答题】An allowance(零花钱)is an important tool for teaching kids how to budget, save and make their own decision. Children remember and learn from mistakes when their own dollars are lost or spent foolishly. H...
【判断题】The de-contextualized, dictionary-copy like activities should be employed in vocabulary teaching.
【单选题】— ? — I have a headache.