1. EXPRESION ESCRITA  INTRODUCCIÓN Half of adults do NO exercise AT ALL: Being fit and healthy is not 'an integral part of people's lives', survey finds. And the survey revealed stark differences in attitudes towards exercise between the sexes. Researchers found men generally work out more frequently, but women place more emphasis on living a healthy lifestyle. TAREA OPCIÓN 1 Write an article on the different attitudes towards exercise between the sexes. TAREA OPCIÓN 2 Write an account of your fitness routine in the Air Force.   (Extensión aproximada 200 palabras)