Day 01-Day 10 Day 01 Day 02 Day 03 Day 04 Day 05 Day 06 Day 07 Day 08 Day 09 Day 10 Day 11-Day 20 Day 11 Day 12 Day 13 Day 14 Day 15 Day 16 Day 17 Day 18 Day 19 Day 20 Day 21-Day 30 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