新课标人教版课件系列高中英语选修( 模块)7-1.3 Learn about LanguagePre-reading Photos 1 to 3 1 What was Jos job in PNG?A teacher.2 What kind of students were in her class?Teenage boys. They are poorly dressed. 3 Describe the classrooms.The classrooms are made with wooden poles and have bamboo walls and roofs (except for the new science lab which has a metal roof). The floor has bamboo matting on it. The walls do not reach the roofs (except the walls of the science lab). There is no glass in the windows.Photos 4 to