Day1-Day10
Day 01
Day 02
Day 03
Day 04
Day 05
Day 06
Day 07
Day 08
Day 09
Day 10
Day11-Day20
Day 11
Day 12
Day 13
Day 14
Day 15
Day 16
Day 17
Day 18
Day 19
Day 20
Day21-Day30
Day 21
Day 22
Day 23
Day 24
Day 25
Day 26
Day 27
Day 28
Day 29
Day 30
附录
附录1:单词索引
附录2:BEC考试说明
附录3:商务词组
附录4:商务缩略语
附录5:音标体系