I. Teaching aims
1.The students will be able to revise the development of computers and use the important expressions learnt in the unit.
2. The students will be able to describe the evolution of mobile phones with the expressions freely and correctly.
3. The students will be able to design a concept phone and introduce it with the key words.
II. Teaching important and difficult points
Use words and expressions properly.
Arouse imagination and creativity and cooperative learning.
