Workplace Project

Task 15

Work in groups to make an oral summary of the history of the air conditioner and then write a survey report,which should include:

1.The emergence of the first-known air conditioner;

2.The development of the air conditioning technology;

3.Comments and suggestions on the future development of air conditioning.

Task 16

Work in groups to prepare a PPT presentation of the report and then make the presentation in class.