1引言英语教学大纲指出:“着重培养为交际运用语言的能力。”语言能力只有经过大量的语言输人,反复训练和实际运用才能真正获得,这就确定了英语教学要以活动为原则。课堂活动的作用在于:第一、可以获取教与学的反馈信息,即通过提问,教师可以了解学生是否掌握了本科的语言、语法、词汇、背景知识等方面的教学内容,反省自己的教学目的、手段、方法是否被学生所 1 Introduction The Syllabus of English Syllabus states: “Emphasis is placed on the ability to use language for communication.” Language ability can only be achieved through a great deal of linguistic input, repeated training and practical application, which confirms that English teaching should take the activity as principle . The function of classroom activities is as follows: Firstly, we can obtain the feedback information of teaching and learning. That is to say, through questioning, teachers can understand whether students have mastered the teaching content of undergraduates’ language, grammar, vocabulary and background knowledge and reflect on their own teaching purposes , Means, methods are students