In the present-day textbook of Middle School, the courses are organized in authentic everyday situations in which students can easily identify, so in the process of English teaching, it is very important for the teachers to set the language contexts correctly and flexibly.
Improvisation or transfer is the core of a course,based on the communicative approach. That is,the students are required to transfer what they learned in the textbook to real-life situation as far as possible. And in the present-day textbook of Middle School, the courses are organized in authentic everyday situations in which students can easily identify. So in the process of English teaching,it is very important for the teachers to set the language contexts correctly and flexibly.