1。5。2。2 The current situation at home
In Chinese, lead means to take someone somewhere by going in front of them while they follow, or by pulling them gently, and here, it means take students enter the door of knowledge。 So lead-in in English classroom teaching means that teacher guide the students to learn English。 It is a teaching behavior for teachers to guide the students to make a mental and cognitive preparation for the continuous learning, and ensure the students to clarify the teaching content, learning objectives, learning ways and learning expectation。(李瑞玲, 2008)