本研究探讨了TPRS(通过阅读和讲故事教学语言,Teaching Proficiency through Reading and Storytelling)教学法对西班牙语口语能力的影响,以及对学习动机和课堂互动的作用。通过访谈和教学日记,结果表明,TPRS教学法显著提高了学生的语...本研究探讨了TPRS(通过阅读和讲故事教学语言,Teaching Proficiency through Reading and Storytelling)教学法对西班牙语口语能力的影响,以及对学习动机和课堂互动的作用。通过访谈和教学日记,结果表明,TPRS教学法显著提高了学生的语言能力,尤其在口语交际方面。大多数学生对该教学法持积极态度,认为其互动性强、课堂气氛活跃,且提升了自信心和语言流利度。尽管部分学生在课堂参与和任务分配上遇到挑战,TPRS法的创新性和适应性仍使其成为一种高效的语言学习工具。总体而言,TPRS不仅增强了学生的学习动机和自信心,还显著提升了课堂互动参与度。展开更多
Seven transition metal molybdovanadoarsenic heteropoly compounds have been synthesized and characterize d using IR,UV,TG-DTA,pH potential ti tration techniques￡(r)The molecular f ormulae of these compounds are pro-po...Seven transition metal molybdovanadoarsenic heteropoly compounds have been synthesized and characterize d using IR,UV,TG-DTA,pH potential ti tration techniques￡(r)The molecular f ormulae of these compounds are pro-posed to be HxMyAsMO10V2O40·zH2 O￡¨x￡1/21?￡3￡?y￡1/2￡±￡?￡2￡?M￡1/2Cr￡?Mn￡?Fe￡?Co￡?Ni￡?Cu￡?Zn￡(c)￡(r)They are all keggin structure￡(r)Surface nature of these compounds have been investigated by temperature programmed desorption and temperature programmed reducti on techniques￡(r)NH 3 -TPD results show that in TPD profile s of the compounds there are two desorption peaks corre sponding to weak acid sites of desorp tion,respectively￡(r)Desorbing activativon energy and preexponential factor of weak acid site of desorption for comp ounds have been calculated￡(r)H2 -TPR re-sults show that introducting transtion metal to molybdovanarsenic acid,the reduction peak temperatures of H2 -TPR shift regularly with increasing d electron numbers of transition metals￡(r)In addition,Zn and Cu heteropoly com-pounds have yet apparent effect of hydrogen spill over￡(r)展开更多
文摘本研究探讨了TPRS(通过阅读和讲故事教学语言,Teaching Proficiency through Reading and Storytelling)教学法对西班牙语口语能力的影响,以及对学习动机和课堂互动的作用。通过访谈和教学日记,结果表明,TPRS教学法显著提高了学生的语言能力,尤其在口语交际方面。大多数学生对该教学法持积极态度,认为其互动性强、课堂气氛活跃,且提升了自信心和语言流利度。尽管部分学生在课堂参与和任务分配上遇到挑战,TPRS法的创新性和适应性仍使其成为一种高效的语言学习工具。总体而言,TPRS不仅增强了学生的学习动机和自信心,还显著提升了课堂互动参与度。
文摘Seven transition metal molybdovanadoarsenic heteropoly compounds have been synthesized and characterize d using IR,UV,TG-DTA,pH potential ti tration techniques￡(r)The molecular f ormulae of these compounds are pro-posed to be HxMyAsMO10V2O40·zH2 O￡¨x￡1/21?￡3￡?y￡1/2￡±￡?￡2￡?M￡1/2Cr￡?Mn￡?Fe￡?Co￡?Ni￡?Cu￡?Zn￡(c)￡(r)They are all keggin structure￡(r)Surface nature of these compounds have been investigated by temperature programmed desorption and temperature programmed reducti on techniques￡(r)NH 3 -TPD results show that in TPD profile s of the compounds there are two desorption peaks corre sponding to weak acid sites of desorp tion,respectively￡(r)Desorbing activativon energy and preexponential factor of weak acid site of desorption for comp ounds have been calculated￡(r)H2 -TPR re-sults show that introducting transtion metal to molybdovanarsenic acid,the reduction peak temperatures of H2 -TPR shift regularly with increasing d electron numbers of transition metals￡(r)In addition,Zn and Cu heteropoly com-pounds have yet apparent effect of hydrogen spill over￡(r)
