Above studies at home provide us with abundant information, and make us have a better understanding of leading-in。 Meanwhile, they have something in common, they all believe that leading-in is a significant connection of classroom teaching。

In the 1970s, C Turney (Turney et al。 279) presented the function of leading-in in Sydney Micro Skills: gaining attention, arousing motivation, setting up a teaching target, structuring and making links。 In his opinion, gathering students’ attention plays a very important role at the beginning of a new teaching content; curiosity is the most realistic and active part within learning motivation; leading-in is to establish a teaching target, and ensure the students to enter into a good mental state so that they can start concentrating on learning as soon as possible。 The English language knowledge is similar to the others, which has its own internal logic with the contact between the new and old knowledge (Wang 13-14)。