<p><font size="5">教学中</font><span style="font-family: 宋体; font-size: 19px;"><span style="font-family: 宋体;">,</span></span><span style="font-family: Calibri; font-size: 19px;"><span style="font-family: 宋体;">制订或选择某种教学策略应做到省时高效</span></span><span style="font-family: 宋体; font-size: 19px;"><span style="font-family: 宋体;">。</span></span><span style="font-family: Calibri; font-size: 19px;"><span style="font-family: 宋体;">好的教学策略应是高效低耗</span></span><span style="font-family: 宋体; font-size: 19px;"><span style="font-family: 宋体;">,</span></span><span style="font-family: Calibri; font-size: 19px;"><span style="font-family: 宋体;">能在规定的时间内完成教学任务</span></span><span style="font-family: 宋体; font-size: 19px;"><span style="font-family: 宋体;">,</span></span><span style="font-family: Calibri; font-size: 19px;"><span style="font-family: 宋体;">较好地实现具体的教学目的</span></span><span style="font-family: 宋体; font-size: 19px;"><span style="font-family: 宋体;">,</span></span><span style="font-family: Calibri; font-size: 19px;"><span style="font-family: 宋体;">并能使教师教得轻松</span></span><span style="font-family: 宋体; font-size: 19px;"><span style="font-family: 宋体;">,</span></span><span style="font-family: Calibri; font-size: 19px;"><span style="font-family: 宋体;">学生学得愉快</span></span><span style="font-family: 宋体; font-size: 19px;"><span style="font-family: 宋体;">。</span></span><span style="font-family: Calibri; font-size: 19px;"><span style="font-family: 宋体;">精选素材、注重讨论、</span></span><span style="font-family: 宋体; font-size: 19px;"><span style="font-family: 宋体;">创设</span></span><span style="font-family: Calibri; font-size: 19px;"><span style="font-family: 宋体;">情境、合作探究</span></span><span style="font-family: 宋体; font-size: 19px;"><span style="font-family: 宋体;">是</span></span><span style="font-family: Calibri; font-size: 19px;"><span style="font-family: 宋体;">四种较为有效的教学策略。一线教师</span></span><span style="font-family: 宋体; font-size: 19px;"><span style="font-family: 宋体;">都曾经有过</span></span><span style="font-family: Calibri; font-size: 19px;"><span style="font-family: 宋体;">成功</span></span><span style="font-family: 宋体; font-size: 19px;"><span style="font-family: 宋体;">的</span></span><span style="font-family: Calibri; font-size: 19px;"><span style="font-family: 宋体;">教学案例</span></span><span style="font-family: 宋体; font-size: 19px;"><span style="font-family: 宋体;">,请老师们谈谈如何更好地创设问题情境。</span></span></p>