21世纪以来,英语作为国际通用语言,是世界范围内交流的重要工具。在当今多元文化背景下,英语学科除了要重视语言知识和技能的教学以外,更重要的是培养学生的文化意识和跨文化交际能力。新课标谋划初中英语教育教学的新时代格局,坚守人...21世纪以来,英语作为国际通用语言,是世界范围内交流的重要工具。在当今多元文化背景下,英语学科除了要重视语言知识和技能的教学以外,更重要的是培养学生的文化意识和跨文化交际能力。新课标谋划初中英语教育教学的新时代格局,坚守人文交流初心,推动多元文化相互交流,强化跨文化交际意识与能力的培养,由此构成新时代初中英语教育新使命。在新课标下初中英语教育现代化发展进程中,无论是核心素养的培育还是优秀教育成果的输出都需要探索师生跨文化交际的教学机制。文章阐述了新课标对英语教学的要求,论述了在初中英语教学中渗透跨文化交际的现状与跨文化渗透的意义,并探析新课标背景下初中英语教学中渗透跨文化交际的策略。该研究可以帮助教师更好地完成教育使命,提升学生的英语学习素养以及帮助学生了解英语背后反映的社会文化、语言习惯和风土人情。Since the 21st century, English has been an international language of communication, playing an important role in global communication. In the context of multiculturalism today, the English subject should pay more attention to the teaching of language knowledge and skills, but more importantly, it should cultivate students’ cultural awareness and cross-cultural communication ability. The new curriculum framework plans the new era of middle school English education and teaching, adhering to the original intention of people-to-people exchange, promoting mutual exchange of diverse cultures, strengthening the cultivation of cross-cultural communication awareness and ability, thus constituting the new mission of middle school English education in the new era. In the process of modernizing middle school English education under the new curriculum framework, both the cultivation of core competencies and the output of excellent educational achievements require exploring the teaching mechanism of cross-cultural communication between teachers and students. This paper expounds the requirements of English teaching under the new curriculum framework, discusses the current situation of cross-cultural communication in middle school English teaching and the significance of cross-cultural infiltration, and explores the strategies of infiltrating cross-cultural communication into middle school English teaching under the new curriculum framework. This study can help teachers better fulfill their educational mission, improve students’ English learning quality and help students understand the social culture, language habits and customs reflected behind English.展开更多
从山东省寿光市温室、大棚发病番茄植株上分离纯化获得18个菌株(SG1~SG18),通过柯赫氏法则验证菌株致病性,并结合形态学、分子生物学等方法对菌株进行鉴定。结果表明:分离纯化的病原菌均为尖孢镰刀菌番茄专化型(Fusarium oxysporum f. s...从山东省寿光市温室、大棚发病番茄植株上分离纯化获得18个菌株(SG1~SG18),通过柯赫氏法则验证菌株致病性,并结合形态学、分子生物学等方法对菌株进行鉴定。结果表明:分离纯化的病原菌均为尖孢镰刀菌番茄专化型(Fusarium oxysporum f. sp. lycopersici),所引起的病害为番茄枯萎病。其中菌株SG6、SG7、SG17为番茄枯萎病菌生理小种1,其余菌株为番茄枯萎病菌生理小种3。不同番茄品种接种3个番茄枯萎病菌生理小种的盆栽试验结果表明,釜山88是比较典型的番茄枯萎病菌3个生理小种的易感病品种,圣安妮和草莓番茄是适合寿光地区栽培的较抗番茄枯萎病品种。展开更多
文摘21世纪以来,英语作为国际通用语言,是世界范围内交流的重要工具。在当今多元文化背景下,英语学科除了要重视语言知识和技能的教学以外,更重要的是培养学生的文化意识和跨文化交际能力。新课标谋划初中英语教育教学的新时代格局,坚守人文交流初心,推动多元文化相互交流,强化跨文化交际意识与能力的培养,由此构成新时代初中英语教育新使命。在新课标下初中英语教育现代化发展进程中,无论是核心素养的培育还是优秀教育成果的输出都需要探索师生跨文化交际的教学机制。文章阐述了新课标对英语教学的要求,论述了在初中英语教学中渗透跨文化交际的现状与跨文化渗透的意义,并探析新课标背景下初中英语教学中渗透跨文化交际的策略。该研究可以帮助教师更好地完成教育使命,提升学生的英语学习素养以及帮助学生了解英语背后反映的社会文化、语言习惯和风土人情。Since the 21st century, English has been an international language of communication, playing an important role in global communication. In the context of multiculturalism today, the English subject should pay more attention to the teaching of language knowledge and skills, but more importantly, it should cultivate students’ cultural awareness and cross-cultural communication ability. The new curriculum framework plans the new era of middle school English education and teaching, adhering to the original intention of people-to-people exchange, promoting mutual exchange of diverse cultures, strengthening the cultivation of cross-cultural communication awareness and ability, thus constituting the new mission of middle school English education in the new era. In the process of modernizing middle school English education under the new curriculum framework, both the cultivation of core competencies and the output of excellent educational achievements require exploring the teaching mechanism of cross-cultural communication between teachers and students. This paper expounds the requirements of English teaching under the new curriculum framework, discusses the current situation of cross-cultural communication in middle school English teaching and the significance of cross-cultural infiltration, and explores the strategies of infiltrating cross-cultural communication into middle school English teaching under the new curriculum framework. This study can help teachers better fulfill their educational mission, improve students’ English learning quality and help students understand the social culture, language habits and customs reflected behind English.
文摘针对传统随机共振系统(Stochastic resonance,SR)的参数选择和未考虑历史信息影响随机共振效果的问题,提出一种基于改进布谷鸟算法(Ranking-based Adaptive Cuckoo Search,RACS)的自适应改进势模型随机共振方法。首先,对大参数信号进行移频尺度变换处理,使其满足SR的绝热近似理论要求;其次,提出一种时延分数阶偏置非线性过阻尼随机共振系统(Time-delayed Overdamped Stochastic Resonance System with Fractional Deflection Nonlinearity,TFODF-SR),并研究势模型参数对随机共振效果的影响;进而利用以信噪比作为评价函数的RACS算法自适应确定随机共振系统的结构参数;最后经过时、频域分析提取出滚动轴承故障特征。通过仿真与实测实验分析对所提出方法相比于传统SR系统及没有引入时延反馈项的ODF系统(Overdamped System with Fractional Deflection Nonlinearity,ODF)在滚动轴承故障提取上的有效性和优越性进行验证。
文摘从山东省寿光市温室、大棚发病番茄植株上分离纯化获得18个菌株(SG1~SG18),通过柯赫氏法则验证菌株致病性,并结合形态学、分子生物学等方法对菌株进行鉴定。结果表明:分离纯化的病原菌均为尖孢镰刀菌番茄专化型(Fusarium oxysporum f. sp. lycopersici),所引起的病害为番茄枯萎病。其中菌株SG6、SG7、SG17为番茄枯萎病菌生理小种1,其余菌株为番茄枯萎病菌生理小种3。不同番茄品种接种3个番茄枯萎病菌生理小种的盆栽试验结果表明,釜山88是比较典型的番茄枯萎病菌3个生理小种的易感病品种,圣安妮和草莓番茄是适合寿光地区栽培的较抗番茄枯萎病品种。
