1、Answers will vary. (e.g. we’re losing ablty to commun cmplx ideas = step back) 2、Answers will vary. (e.g. emoji + emot imprv lng = step frwrd) Extended Listening Exercise A 1、C 2、B 3、C 4、D Exercise B 1、5.2 billion 2、diversity the culture of former speakers 3、a...