公开课要不要试教?这问题真需要从头说起。对教学新手而言,不要说公开课,就是家常课,要想备好课也要空堂试教,至少要在心里静思默想几个来回,否则恐怕没人敢进课堂。教学是个复杂的系统,就算是教学骨干,要做好平衡也不是易事。教学设计是否科学合理,不试一试,不请同行或高人听一听、指点指点,怎 Do you want to teach openly? This question really needs to be talked about from scratch. For teaching novices, do not say open class, is a homely class, in order to prepare a good lesson should also be open to try, at least in my heart meditate a few back and forth, or I am afraid no one dared to enter the classroom. Teaching is a complex system. Even the backbone of teaching is not easy to balance. Teaching design is scientific and reasonable, do not give it a try, do not ask colleagues or adults to listen to, pointing pointing, how