2014届高考英语一轮复习全方位配套训练人教版必修一Unit 5 Nelson Mandela--a modern hero完形填空3My mother used to ask me what is the most important part of the body.Through the years I would 1 the correct answer.When I was younger,I thought 2 was very important to us as humans,so I said,“My ears,Mummy.”She said,“No.Many people are 3 .Keep thinking about it and I will ask you again soon.”Several years passed be..