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语文教学的课堂评价,既是教师紧扣教学目标、为学生创造能力展示机会的具体行为,也是学生学习过程的重要组成部分.对于其目的,《语文课程标准》明确指出,"不仅是为了考察学生达到学习目标的程度,更是为了检验和改进学生的语文学习……从而有效地促进学生的发展."且进一步指出,"不应过分强调评价的甄别和选拔功能."由此可以看出,小学语文的课堂评价,不仅要关注学生的"双基"学习,更要关注学生的情感、态度、认知等的全面发展.那么,在教学过程中,语文教师如何实施评价并关注其效率呢? 相似文献
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吴文彪 《中国科教创新导刊》2010,(6):43-43
新课程标准要求全社会树立新的课程资源观,发挥各类课程资源的优势和作用,使各种资源和学校课程融为一体,更好地为教育发展服务。我们在开发政治课堂教学资源过程中,应当使学生成为教学资源的主人,使学生学会主动地有创造性地利用一切可用资源.为学生的学习服务。 相似文献
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Ba0.6Sr0.4TiO3 (BST) thin films with and without HfO 2 buffer layer were fabricated on Pt/Ti/SiO2/Si substrates by pulsed laser deposition. Dependences of HfO 2 thickness on the dielectric property and leakage current of BST thin films were focused. The dielectric constant of BST thin films increased and then decreased with the increase of HfO 2 thickness, while the dielectric relaxation was gradually improved. The loss tangent and leakage current under positive bias decreased with the HfO 2 thickness increasing. The leakage current analysis based on the Schottky emission indicated an improvement of the BST/Pt interface with HfO 2 buffer layer. The loss tangent, tunability and figure of merit of optimized HfO 2 buffered BST thin film achieved 0.009 8, 21.91% (E max = 200 kV/cm), 22.40 at 10 6 Hz, respectively. 相似文献
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