本课程为收费课程，购买后即可观看完整内容
-
- 22:25 免费1、Unit 1 Section A(1)
- 28:06 付费2、Unit 1 Section A(2)
- 00:00 付费3、Unit 1 Section B(1)
- 00:00 付费4、Unit 1 Section B(2)
- 00:00 付费5、Unit 1 Self Check
- 25:15
付费6、Unit 2 Section A(1) - 20:21 付费7、Unit 2 Section A(2)
- 16:54 付费8、Unit 2 Section B(1)
- 24:08 付费9、Unit 2 Section_B(2)(上)
- 16:36 付费10、Unit 2 Section_B(2)(下)
- 22:25 付费11、Unit 2 Self Check
- 28:26 付费12、Unit 3 Section A(1)
- 30:20 付费13、Unit 3 Section A(2)
- 25:37 付费14、Unit 3 Section B(1)
- 18:15 付费15、Unit 3 Section B(2)
- 14:30 付费16、Unit 3 Self Check
- 23:55 付费17、Unit 4 Section A(1)
- 00:00 付费18、Unit 4 Section A(2)
- 00:00 付费19、Unit 4 Section B(1)
- 00:00 付费20、Unit 4 Section B(2)
- 00:00 付费21、Unit 4 Self Check
- 23:38 付费22、Unit 5 Section A(1)
- 23:36 付费23、Unit 5 Section A(2)
- 00:00 付费24、Unit 5 Section B(1)
- 00:00 付费25、Unit 5 Section B(2)
- 00:00 付费26、Unit 5 Self Check
- 00:00 付费27、Unit 6 Section A(1)
- 00:00 付费28、Unit 6 Section A(2)
- 00:00 付费29、Unit 6 Section B(1)
- 00:00 付费30、Unit 6 Section B(2)
- 00:00 付费31、Unit 6 Self Check
- 00:00 付费32、Unit 7 Section A(1)
- 00:00 付费33、Unit 7 Section A(2)
- 00:00 付费34、Unit 7 Section B(1)
- 00:00 付费35、Unit 7 Section B(2)
- 00:00 付费36、Unit 7 Self Check
- 00:00 付费37、Unit 8 Section A(1)
- 00:00 付费38、Unit 8 Section A(2)
- 00:00 付费39、Unit 8 Section B(1)
- 00:00 付费40、Unit 8 Section B(2)
- 00:00 付费41、Unit 8 Self Check
- 00:00 付费42、Unit 9 Section A(1)
- 00:00 付费43、Unit 9 Section A(2)
- 00:00 付费44、Unit 9 Section B(1)
- 00:00 付费45、Unit 9 Section B(2)
- 00:00 付费46、Unit 9 Self Check
- 00:00 付费47、Unit 10 Section A(1)
- 00:00 付费48、Unit 10 Section A(2)
- 00:00 付费49、Unit 10 Section B(1)
- 00:00 付费50、Unit 10 Section B(2)
- 00:00 付费51、Unit 10 Self Check
- 00:00 付费52、Unit 11 Section A(1)
- 20:30 付费53、Unit 11 Section A(2)
- 00:00 付费54、Unit 11 Section B(1)
- 00:00 付费55、Unit 11 Section B(2)
- 00:00 付费56、Unit 11 Self Check
- 00:00 付费57、Unit 12 Section A(1)
- 00:00 付费58、Unit 12 Section A(2)
- 23:32 付费59、Unit 12 Section B(1)
- 00:00 付费60、Unit 12 Section B(2)
- 00:00 付费61、Unit 12 Self Check
- 00:00 付费62、Unit 13 Section A(1)
- 00:00 付费63、Unit 13 Section A(2)
- 00:00 付费64、Unit 13 Section B(1)
- 00:00 付费65、Unit 13 Section B(2)
- 00:00 付费66、Unit 13 Self Check
- 00:00 付费67、Unit 14 Section A(1)
- 00:00 付费68、Unit 14 Section A(2)
- 00:00 付费69、Unit 14 Section B(1)
- 00:00 付费70、Unit 14 Section B(2)
- 00:00 付费71、Unit 14 Self Check