II. The Principles that Classroom Questioning should Follow
    Effective questions request teachers make preparation before class. Even if some teachers can ask questions extemporaneously, sometimes the arrangement of questioning lacks logic in many situations, or there are problems in language organization and the questions cannot make students use the knowledge or skills to answer the questions as expected. So if teachers would like to put forward reasonable questions in class, he must grasp and follow the classroom questioning principles. The detailed descriptions of classroom questioning principles are as follows: 中外教师课堂提问策略的对比研究(2):http://www.youerw.com/yingyu/lunwen_10292.html