Welcome to the unit Unit 3 English Throughout the World Topic 1 English is used more and more widely around the world. Section D New words powerful 强大的，很有效的，有权势强大的，很有效的，有权势 的，有影响力的的，有影响力的 leading 最主要的，第一位的最主要的，第一位的 position 地位，位置地位，位置 把某物放在某个位置，安置把某物放在某个位置，安置 Teaching aims and demands 1. Master some new words and phrases: tongue, mother tongue, state, the United States, speaker, communicate, conference 2. Go on learning the simple present passive voice: Of all these languages, English is the mos
