三、多媒体辅助教学优化了教学内容笔者在指导学生教育实习时发现多数实习生的教案内容来源于1—2本优秀教案的范文,实习生在教材的剖析、内容的整理和言语表达方面难有本人共同的创新性思想,课堂教学表现为单调乏味、千篇一概的机械性解说。笔者以为采用多媒体辅助教学技术可有效改善这一情况。例如在《碱金属元素》的学习中,实习生能够采用多媒体辅助教学,经过展现碱金属元素u~Cs的原子构造图、碱金属元素LiCs与水反响的Flash动画等内容,让学生从图文并茂的课件中形象直观地从理性角度总结出碱金属元素的类似性和递变性。Abstract: Rohlin's Lemma which was originally (cf [18]) proved for bi-measurable aperiodic automorphisms T of a Polish space X is a basic tool in ergodic theory. It states that for an automorphism of the above type which is invariant with respect to a Borel probability measure /& any r~ c N+ and any e > O, one can find a measurable set R ( a so called (r;,e) Rohlin set) such that, for ] 0, 1, ..., r; 1, the sets T JR are pairwise disjoint and exhaust X with exception of A TER。 http://www.txlunwenw.com。TERremainder set whose mass is smaller than e. In particular, Rohlin's Lemma is indispensable for the canonical construction of generators. Since the classical proof (cf [11]) quoted in the standard textbooks on ergodic theory (e. g., [7], [9], [17]) uses a Kakutani tower type construction and thus needs forward measurability, we feel obliged to provide an elementary proof which doesn't rely on this assumption. Moreover, the setting is generalised from Polish space to separable space. Here we improve ...............
有关科技创新的论文 化学教育实习中实施多媒体辅助教学的可行性探讨一、多媒体辅助教学是现代教育技术的需求多媒体教学具有图、文、声并茂及形象、直观、动画、快捷等特性,使教员和学生能经过人机之间的交互功用充沛发明出一个图文并茂、绘声绘色、生动逼真的教学环境,有利于激起学生的学习兴味,加深学生对化学学问的了解,加强对学问的认识和了解力从而进步教学效果。当前的实习生是将来教育的中坚力气,是现代教育技术的运用和施行者,因而,在教育实习中有必要培育和锻炼实习生的多媒体课件制造和应用才能,为未来的教学理论打下扎实的根底。
二、多媒体辅助教学丰厚了教学办法在实习过程中,实习生常常在课堂上依照固定的程序流利地将教案“背”给学生。但是,讲课并非简单的“背诵”,更重要的是与学生停止交互式教学,在教学中启示、引导学生带着兴味来学习。这就需求教员不只要具备扎实的传统板书教学功底,更需求展开启示式、探求式等多种教学形式。采用多媒体辅助教学,能够把一些设疑、考虑、模型、动画等制造在课件中,在教学过程中逐一讨论或展现,这样更容易启示、引导学生停止察看、考虑、答复,进步课堂的活泼氛围。
三、多媒体辅助教学优化了教学内容笔者在指导学生教育实习时发现多数实习生的教案内容来源于1—2本优秀教案的范文,实习生在教材的剖析、内容的整理和言语表达方面难有本人共同的创新性思想,课堂教学表现为单调乏味、千篇一概的机械性解说。笔者以为采用多媒体辅助教学技术可有效改善这一情况。例如在《碱金属元素》的学习中,实习生能够采用多媒体辅助教学,经过展现碱金属元素u~Cs的原子构造图、碱金属元素LiCs与水反响的Flash动画等内容,让学生从图文并茂的课件中形象直观地从理性角度总结出碱金属元素的类似性和递变性。Abstract: Rohlin's Lemma which was originally (cf [18]) proved for bi-measurable aperiodic automorphisms T of a Polish space X is a basic tool in ergodic theory. It states that for an automorphism of the above type which is invariant with respect to a Borel probability measure /& any r~ c N+ and any e > O, one can find a measurable set R ( a so called (r;,e) Rohlin set) such that, for ] 0, 1, ..., r; 1, the sets T JR are pairwise disjoint and exhaust X with exception of A TER。 http://www.txlunwenw.com。TERremainder set whose mass is smaller than e. In particular, Rohlin's Lemma is indispensable for the canonical construction of generators. Since the classical proof (cf [11]) quoted in the standard textbooks on ergodic theory (e. g., [7], [9], [17]) uses a Kakutani tower type construction and thus needs forward measurability, we feel obliged to provide an elementary proof which doesn't rely on this assumption. Moreover, the setting is generalised from Polish space to separable space. Here we improve ...............
四、多媒体辅助教学补偿了实验药品、教具短缺问题因教育经费问题,实习学校有可能存在教学资源短缺、实验药品不到位、教具有限的客观理想。此外,实习中也可能存在因某些实验的药品存在毒性、风险性、毁坏性而不能在课堂演出示的问题。在这种状况下,实习生如何最大限度天时用好有限资源而不影响教学过程?
笔者以为依然能够采用多媒体技术来辅佐处理。例如,碱金属单质Rb、Cs药品费用贵,难以保管,中学普通不购置该药品,而经过多媒体技术能够从网络中搜集Rb、Cs性质的珍贵教学录像为我们所用。
五、多媒体辅助教学有益于实习生教学技艺、课件制造才能的进步在传统教学过程中,教员主要运用口头讲授并借助本身的言语姿势来传授学问技艺,这对教员的言语表达才能的请求是相当高的。实习生刚上讲台,由于经历的缺乏以及心理的慌张,使得他们很少能尽兴发挥,而借助多种教育媒体就能够补偿这种缺失。由于在实习过程中要选用多媒体停止教学,这就迫使实习教员对课程的内容和教法要停止更深入、更细致的研究。依据教学目的剖析教材、剖析学生,优化组合各种媒体,设计课堂教学过程,把教学过程的各个环节有机地联络起来,这对实习教员的备课起到了极大的促进作用[1]。本回答被网友采纳
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