Shi Liangfang et al. ((2000:202-211) made suggestions on teachers'classroom question-and-answer behavior strategies.<br>The first question in question strategy should be clear. That is to say, the wording is concise and concise, and only one question should be asked at a time; secondly, we should<br>Appropriate proportion of cognitive problems of syndrome high. Third, the frequency of academic-related questions should be maintained at a high level.<br>Students'attention is organized on issues related to the content of their studies. Finally, according to the specific purpose, arrange low cognitive reasonably<br>The order of level and high cognitive level. In terms of waiting strategy, they suggested that waiting time I should be 3-5 seconds.<br>Answer time II should be 1-3 seconds; call-and-answer strategy should ensure that each student has as many opportunities to answer: answer strategy,<br>They point out that not all praises are conducive to students'learning. Generally speaking, the more specific the praised behavior is, the more effective it will be.<br>The better; the more dependent and anxious the students are, the better the praise effect is. In addition, he also mentioned that<br>When the students'answers are incorrect or inaccurate, the teacher's two main response behaviors are redirecting and<br>Probing. Asking a question is asking another student about the same question. Questioning is a continuation of the same student.<br>Ask questions. If the student's answer is incorrect, the teacher will rephrase the original question and ask a question related to the original question.<br>Questions; or to decompose the original question into several small questions one by one; or to provide clues to answer; or to ask<br>A new problem related to the original problem. Shi Liangfang pointed out that there was a link between supporting questioning and questioning and improving students'performance.<br>There are not many studies yet, but in terms of helping students to give an acceptable answer or further improve or answer, turn and ask questions.<br>At least, it is helpful for students to concentrate on learning activities, so it is worth advocating.<br>
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