1. U1 Lead-in video

00:00:52

2. U1 LS-1

00:00:56

3. U1 LS-3

00:00:41

4. U1 LS-5 video

00:01:06

5. U1 LS-7

00:01:19

6. U1 LS-8

00:00:37

7. U1 LS-9

00:01:49

8. U1 LS-10 & 11

00:01:25

9. U1 LS-12 try this discussion

00:01:38

10. U1 Text A

00:03:44

11-B1U1 微课Topic sentence

00:05:26

12. U1 Text A words and phrases

00:01:50

13. U1 Text B

00:03:26

14. U1 Text B words and phrases

00:01:25

15. U2 Lead-in video

00:01:32

16. U2 LS-1

00:01:10

17. U2 LS-3

00:00:55

18. U2 LS-4 微课

00:02:18

19. U2 LS-5 video

00:01:00

20. U2 LS-7

00:01:10

21. U2 LS-8

00:00:45

22. U2 LS-9

00:01:41

23. U2 LS-10 & 11

00:01:11

24. U2 LS-12 try this discussion

00:01:18

25. U2 Text A

00:02:52

26-B1U2 微课AI

00:05:48

27. U2 Text A words and phrases

00:01:55

28. U2 Text B

00:03:31

29. U2 Text B words and phrases

00:01:34

30. U3 Lead-in video

00:01:47

31. U3 LS-1

00:00:48

32. U3 LS-3

00:00:47

33. U3 LS-5 video

00:01:03

34. U3 LS-7

00:01:24

35. U3 LS-8

00:00:49

36. U3-LS-9

00:01:55

37. U3 LS-10 & 11

00:01:08

38. U3 LS-12 try this discussion

00:00:58

39-B1U3 English Abbreviations

00:08:24

40. U3 Text A

00:03:34

41. U3 Text A words and phrases

00:01:44

42. U3 Text B

00:04:44

43. U3 Text B words and phrases

00:01:54

44. U4 Lead-in video

00:00:51

45. U4 LS-1

00:00:47

46. U4 LS-3

00:00:58

47. U4-LS-5 video

00:01:24

48. U4 LS-7

00:01:13

49. U4 LS-8

00:00:59

50. U4 LS-9

00:02:27

51. U4 LS-10 & 11

00:01:17

52. U4 LS-12 try this discussion

00:01:41

53-B1U4 微课 Business Greetings

00:07:16

54. U4 Text A

00:03:21

55. U4 Text A new words

00:01:28

56. U4 Text B

00:03:42

57. U4 Text B new words

00:01:39

58. U5 Lead-in video

00:00:41

59. U5 LS-1

00:00:51

60. U5 LS-3

00:01:13

61. U5 LS-5 video

00:02:17

62. U5 LS-7

00:01:15

63. U5 LS-8

00:01:01

64. U5 LS-9

00:02:11

65. U5 LS-10 & 11

00:01:22

66. U5 LS-12 try this discussion

00:01:25

67-B1U5 How to write a thank you note

00:06:35

68. U5 Text A

00:02:53

69. U5 Text A new words

00:01:13

70. U5 Text B

00:03:14

71. U5 Text B new words

00:01:32

72. U6 Lead-in video

00:00:50

73. U6 LS-1

00:01:00

74. U6 LS-3

00:01:24

75. U6 LS-5 video

00:01:08

76. U6 LS-7

00:01:16

77. U6 LS-8

00:00:53

78. U6 LS-9

00:01:49

79. U6 LS-10 & 11

00:01:19

80. U6 LS-12 try this discussion

00:01:11

81. U6 Text A

00:02:25

82-BIU6 pros and cons of mobile phone

00:05:39

83. U6 Text A words and phrases

00:00:54

84. U6 Text B

00:02:53

85. U6 Text B words and phrases

00:01:23