中国学生的英语语用失误分析

语言知识的准确和熟练掌握并不意味着语言的恰当使用,不恰当地使用语言而引起的理解方面的错误,其根本原因在于对该语言所蕴含的文化缺乏了解.本文结合中国学生在学习与交际中使用语言的实际情况,列举并分析了存在于他们之中的这些语用错误,提出语言的教与学都应该以培养学生的实际使用语言的交际能力为目标.     

试论虚假网络信源对传统媒体新闻生产的影响——以微博中的虚假新闻源为例

近年来，报纸、电视上的虚假新闻的较之从前大幅增多，这些虚假新闻的信源多数来自网络，借助微博平台传播，最终被传统媒体微博转发甚至收入自身媒介的新闻产品中。针对这一现象，试图从传播学、经济学的角度深入分析虚假新闻增多的原因，指出传统媒体应如何看待和应对虚假的新闻源，提出相应的对策建议。     

On-line monitoring data quality of high-dimensional data streams

ABSTRACT

In recent years, effective monitoring of data quality has increasingly attracted attention of researchers in the area of statistical process control. Among the relevant research on this topic, none used multivariate methods to control the multidimensional data quality process, but instead relied on multiple univariate control charts. Based on a novel one-sided multivariate exponentially weighted moving average (MEWMA) chart, we propose a conditional false discovery rate-adjusted scheme to on-line monitor the data quality of high-dimensional data streams. With thousands of input data streams, the average run length loses its usefulness because one will likely have out-of-control signals at each time period. Hence, we first control the percentage of signals that are false alarms. Then, we compare the power of the proposed MEWMA scheme with that of two alternative methods. Compared with two competitors, numerical results show that the proposed MEWMA scheme has higher average power.     

Bayesian Robustness of the Positive False Discovery Rate

The positive false discovery rate was introduced by Storey (2003 Storey , J. D. (2003). The positive false discovery rate: a Bayesian interpretation and the q-value. Ann. Statist. 31:2013–2035.[Crossref], [Web of Science ®] , [Google Scholar]) as an alternative to the family wise error rate for the case in which we are simultaneously testing a large amount of hypotheses. The positive false discovery rate has a very nice Bayesian interpretation (as it was shown by Storey, 2003 Storey , J. D. (2003). The positive false discovery rate: a Bayesian interpretation and the q-value. Ann. Statist. 31:2013–2035.[Crossref], [Web of Science ®] , [Google Scholar]) and its robustness is analyzed. The emphasis is on the ε-contamination class (one of the most used classes of priors for Bayesian robustness) and it is shown that robustness is not obtained when the basic prior concentrates the probability on the null hypothesis.     

婚恋中媒介物的文化底蕴

世界各族青年男女在经历择偶、订婚和婚礼阶段中,会采用不同的媒介物来表情达意,完成男婚女嫁的终身大事。媒介物是联系双方的纽带,是双方情感的具体表征。透过这几个阶段各种不同象征意义的媒介物,我们可以了解多彩斑斓的民族风情和民族性格,解读恋爱、婚姻中丰富的文化底蕴。     

空间展现·展现空间

二十世纪,雕塑空间语言获得了极大的自由,它改变了古典雕塑单一的空间内涵,注入了新的表现语言,从虚实相生的境界来诠释空间,从抽象几何造型的角度来理解空间,像东方美学一样从线条的塑造来表现空间,从运动的角度来展现空间,雕塑显现出巨大的视觉魅力,呈现出丰富的语言样式。二十世纪雕塑家挑战传统、突破限制的非凡勇气和独到的空间语言将对雕塑的发展产生深远的影响。     

顾颉刚与"古史辨"神话学——纪念《古史辨》出版80周年

以《与钱玄同先生论古史书》(1923年)为起点,顾颉刚所代表的“古史辨”派古史研究和神话学,以“疑古”“辨伪”为思想武器、“古史即神话”为理念,把与古史纠缠为一体的古神话剥离出来。他的“层累的造成的古史观”亦即神话观和“历史演进法”,开了系统地梳理与研究中国古神话(古史传说)的先河,为中国神话学的创立铺设了一块基石,成为中国神话学初创时期西方人类学派神话学之外的又一重要学术渊源和流派。“古史辨”神话学的特点,在神话学研究中被概括为“古史的破坏、神话的还原”。     

关于建筑形式的逻辑

本文阐述了建筑形式生成的一些基本规律,分析了一些中外建筑实例,以期为学生提供建筑设计构思参考。文章结合中外建筑实例,从构思、细部和环境等的设计逻辑几方面分析如何设计出好的建筑形式。     

80例中老年女性平板运动试验假阳性原因分析

目的探讨中老年女性患者平板运动试验假阳性的鉴别。方法回顾性总结我院2001年11月～2006年12月80例中老年女性患者出现平板运动试验假阳性的原因。结果临床最后诊断:心脏植物神经功能紊乱32例,高血压病14例,单纯高脂血症8例,糖尿病6例,X综合征6例,高血压合并糖尿病6例,冠状动脉心肌桥5例,心尖部肥厚型心肌病3例。结论平板运动试验假阳性与心脏植物神经功能紊乱、X综合征、冠状动脉肌桥、高血压病、糖尿病等因素有关,心脏植物神经功能紊乱为最常见病因,正确分析平板运动试验的假阳性原因,对提高冠心病无创性检查的确诊率有一定的意义。     

Empirical null distribution-based modeling of multi-class differential gene expression detection

In this paper, we study the multi-class differential gene expression detection for microarray data. We propose a likelihood-based approach to estimating an empirical null distribution to incorporate gene interactions and provide a more accurate false-positive control than the commonly used permutation or theoretical null distribution-based approach. We propose to rank important genes by p-values or local false discovery rate based on the estimated empirical null distribution. Through simulations and application to lung transplant microarray data, we illustrate the competitive performance of the proposed method.