1. UNIDAD 1. PERSONAL IDENTIFICATION UNIT PURPOSE Thepurpose of thisunitistoenablestudentsto introduce themselves and others, and toexchange personal details. 1.1 introducingoneself and otherpeople He is Daniel This es Tony name Thatis Paula HernameisJohanna He isanaccountant Sheis Doctor profession Sheis 20 yearsold IamfromMexico Sheiscanadiannacionality