浅谈综合英语课确立的意义

综合英语课是原高等学校英语专业低年级精读课。综合英语课的确立 ,其意义正如我国外语教学专家王仁才教授在他的《英语教学交际论》书中所说的 :“这不仅是一门课‘正名’的问题 ,而且牵动着教学思想一系列的转变 ,它推动了教材编写的革新和教学方式的演进 ,标志着我国英语教学进入到一个新的里程碑。”     

Use of flow cytometry to investigate the cytokine response pattern in infants with respiratory syncytial virus infection and bronchiolitis

Objective: To investigate the cytokine response pattern (IL-4/IFN-γ) in infants with RSV infections and bronchiolitis during the acute phase. Methods: Four-color flow cytometry was used to measure intracellular IL-4 and IFN-γ expressions in peripheral blood CD3+ and CD8+ lymphocytes from RSV-infected and bronchiolitis infants. Serum IL-4 and IFN-γ levels were also determined. Results: RSV-infected and bronchiolitis infants showed no statistical differences from not-RSV-infected or pneumonia infants and control in the frequency of IL-4 and IFN-γ expressions in CD3+CD8- lymphocytes, showed no obvious Th1/Th2 imbalance, while IFN-γ was expressed much more frequently in CD3+CD8+ lymphocytes. Systematically, RSV-infected and bronchiolitis infants showed much lower levels of serum IL-4 and IL-4/IFN-γ ratios and much higher serum IFN-γ levels than control. However, there were no statistical differences in the above three indices between RSV-infected and not-RSV infected infants or between bronchiolitis and pneumonia infants, except that bronchiolitis infants had a higher level of serum IFN-γ than pneumonia infants statistically. Conclusions: There is no type-2 cytokine response predominance in the acute phase of RSV infection and bronchiolitis. IL-4 production is suppressed and IFN-γ production upregulated, the latter being most prominent in bronchiolitis infants.     

SS9型电力机车LCU综合测试台的研制

基于人工智能技术及面向对象编程方法(AIOO)的SS9型电力机车LCU测试台可以更方便、快捷地对SS9型电力机车LCU进行测试。文章在介绍系统总体结构的基础上,详细描述了人工智能技术及面向对象编程方法在故障检测中的应用。     

单片机在温度检测中的应用

介绍由单片机组成的温度测控系统,该系统实现了对温度的自动检测控制,能同时对8台退火炉进行巡迴检测、数据处理、报警及记录,对生产过程中的各个参数以一定的周期进行检查和测量,检测的结果经计算机处理后再进行显示、打印和报警,以提醒操作人员注意或直接用于生产控制。     

Morningness and state academic self-concept in students: Do early birds experience themselves as more competent in daily school life?

The purpose of the present study was to investigate the role of circadian preference for students’ state academic self-concept (ASC). We focused on students’ tendency to be morning-oriented (i.e., morningness) and examined the association between morningness as a trait and mean levels of state (momentary) general-school ASC in everyday school life using intensive longitudinal data collected among N = 285 (N_obs = 6,140; M_lessons = 21.54) German ninth and tenth graders. Furthermore, we tested whether the strength of this relation between morningness and state general-school ASC was modulated by the time of day (i.e., synchrony effect). Results of multilevel analyses showed that morningness was positively related to students’ mean levels of state general-school ASC. However, our results refuted a synchrony effect on state ASC, as higher morningness related to equally high mean levels of state general-school ASC both early and late in the school day with respect to a typical school schedule with lessons occurring in the morning to early afternoon. The present findings contribute to our understanding of ASC and provide relevant information about how morningness should be positioned with regard to ASC in everyday school life.     

"国保"、"国遗"若干问题研究

本文对全国重点文物保护单位和国家级非物质文化遗产的数量、所处的时代朝代、分布与区域情况、种类和涉及的民族、宗教等问题进行系统地归纳和阐述;指出了其所具有的世界性的价值和影响;认为“国保“与“国遗“两者之间有不少是互相结合、密不可分、静动相关、有形文化遗产与无形文化遗产相联的关系.     

Cu-26.4 Zn-4 Al(Re)记忆合金弹簧的应用设计

针对双金属自封式热采封隔器的缺点,利用形状记忆合金超弹性技术,根据Cu-26.4 Zn-4 Al(Re)记忆合金工程元件热稳定性实验结果,以形状记忆合金Cu-26.4Zn-4Al(Re)弹簧和弹性筒超弹性材料Fe-Mn-Si为主要热敏材料,设计了形状记忆合金热采封隔器.     

任务型学习框架中的形式聚焦对精读课教学的启示

在任务型教学中,对于语言形式的关注程度,历来是一个有争议的问题。本文结合精读课教学,重点讨论形式聚焦这个概念在语言教学中的运用,以及如何在任务型学习的框架内实现形式聚焦。     

城市开发区土地集约利用潜力研究——以江苏省典型开发区为例

城市开发区土地集约利用潜力研究对于城市发展、城市规划将具有重要的理论和现实意义。选取23个与城市开发区土地集约利用潜力相关的指标，构建了城市开发区土地集约利用评价指标体系，包括土地投入、土地产出、土地利用结构和可持续利用度4个方面，通过聚类分析和主成分分析方法以江苏省18个典型城市开发区调查数据为例，对城市开发区土地集约利用潜力进行评价。研究结果认为，城市开发区土地集约利用潜力可以分为4个层次： ①超集约，即土地供求紧张，分值大于0.3； ②集约，土地供求平衡，分值在0～0.3之间；③基本集约，土地供求在一定时期内平衡，分值在-0.3～0之间；④欠集约，土地有所闲置，土地产出率较低，分值小于-0.3。城市开发区土地集约利用潜力区域差异：苏南地区水平高于苏中和苏北地区，而苏中地区高于苏北地区。据此，提出提高土地集约水 平相关政策建议。     

“合作学习”教学模式理念与综合英语课堂情感焦虑的实验探索

本文是一项有关综合英语课堂上情感焦虑和合作学习的实证行研究。近年来,合作学习和外语学习焦虑在国内外受到广泛关注。但目前还很少有研究就利用合作学习减轻外语学习焦虑并最终提高学习者英语语言水平问题进行实证调查。针对这一问题,笔者采用前后测现场教学实验的方法对外语水平相同的两组(实验组采用合作学习方法而控制组采用传统的教学方法)——英语专业大二本科生进行了一项实验,调查和测试结果表明,试验组学生的外语学习焦虑得到有效减轻,其英语语言水平有明显提高。