摘要：Classroom management is the orchestration of classroom life:planning curriculum,organizing procedures and resources,arranging the environment to maximize efficiency,monitoring progress,dealing with existent *** classroom management looked like magic shows because students in these classrooms seem to glide from one activity to the *** classroom management contributes to students ' good *** classroom management is one of the key elements of importance for efficient school ***,almost all English teachers face a same problem——classroom *** this paper,some typical problems and effective solutions in classroom management will be described,defined,or characterized.

摘要：广告翻译有非常强的商业目的性,具有词汇简洁而富于特色,偏爱简单句,多用祈使句,多样化修辞方法使用的基本特征。可以通过直译、意译和活译的方法,对广告英语做出有效的翻译。

摘要：广告英语有别于普通英语,它的词汇简洁别致又富于创新。力图用最简洁、最准确的文字,为商品提供丰富的信息,使读者一目了然、过目不忘。由于商品市场竞争特别激烈,为了保证商品的广告可以最大限度的吸引人的眼球,广告撰写者总是选择新颖别致的词汇、简洁的语句和生动的修辞,以赢得消费者的喜爱。

摘要：针对控制系统测量输出产生的乘性噪声问题,提出基于观测器的反馈控制设计算法.首先,引入状态误差变量,导出反馈控制下It8型随机微分方程描述的闭环系统.其次,运用复合Lyapunov函数方法并结合随机分析技术,分析闭环系统的均方指数稳定性和几乎必然稳定性,并建立输出反馈控制器存在的充分条件.基于此条件给出了控制增益矩阵和观测器增益矩阵的参数化设计算法.最后,通过倒立摆模型的数值仿真,验证所提出控制策略的有效性.