10 - Visual art and architecture
20 - Strategies for basic comprehension

10 - Unit 1 Episode 1
20 - Unit 1 Episode 2
30 - Unit 1 Episode 3
40 - Unit 1 Episode 4
50 - Unit 1 Episode 5
60 - Unit 1 Episode 6
70 - Unit 1 Episode 7
80 - Unit 1 Episode 8
90 - Unit 2 Episode 1
100 - Unit 2 Episode 2
110 - Unit 2 Episode 3
120 - Unit 2 Episode 4
130 - Unit 2 Episode 5
140 - Unit 2 Episode 6
150 - Unit 2 Episode 7
160 - Unit 2 Episode 8
170 - Unit 3 Episode 1
180 - Unit 3 Episode 2
190 - Unit 3 Episode 3
200 - Unit 3 Episode 4
210 - Unit 3 Episode 5
220 - Unit 3 Episode 6
230 - Unit 3 Episode 7
240 - Unit 3 Episode 8
250 - Unit 4 Episode 1
260 - Unit 4 Episode 2
270 - Unit 4 Episode 3
280 - Unit 4 Episode 4
290 - Unit 4 Episode 5
300 - Unit 4 Episode 6
310 - Unit 4 Episode 7
320 - Unit 4 Episode 8
330 - Unit 5 Episode 1
340 - Unit 5 Episode 2
350 - Unit 5 Episode 3
360 - Unit 5 Episode 4
370 - Unit 5 Episode 5
380 - Unit 5 Episode 6
390 - Unit 5 Episode 7
400 - Unit 5 Episode 8
410 - Unit 6 Episode 1
420 - Unit 6 Episode 2
430 - Unit 6 Episode 3
440 - Unit 6 Episode 4
450 - Unit 6 Episode 5
460 - Unit 6 Episode 6
470 - Unit 6 Episode 7
480 - Unit 6 Episode 8
490 - Unit 7 Episode 1
500 - Unit 7 Episode 2
510 - Unit 7 Episode 3
520 - Unit 7 Episode 4
530 - Unit 7 Episode 5
540 - Unit 7 Episode 6
550 - Unit 7 Episode 7
560 - Unit 7 Episode 8
570 - Unit 8 Episode 1
580 - Unit 8 Episode 2
590 - Unit 8 Episode 3
600 - Unit 8 Episode 4
610 - Unit 8 Episode 5
620 - Unit 8 Episode 6
630 - Unit 8 Episode 7
640 - Unit 8 Episode 8
650 - Unit 9 Episode 1
660 - Unit 9 Episode 2
670 - Unit 9 Episode 3
680 - Unit 9 Episode 4
690 - Unit 9 Episode 5
700 - Unit 9 Episode 6
710 - Unit 9 Episode 7
720 - Unit 9 Episode 8
730 - Unit 10 Episode 1
740 - Unit 10 Episode 2
750 - Unit 10 Episode 3
760 - Unit 10 Episode 4
770 - Unit 10 Episode 5
780 - Unit 10 Episode 6
790 - Unit 10 Episode 7
800 - Unit 10 Episode 8
810 - UNLOCK B1 期末测试

20 - Visual art and architecture
30 - Literature
40 - Music and dance
50 - Weely workshop-1
60 - Biology
70 - Medicine and healthcare
80 - Animal behavior
90 - Weely workshop-2
100 - History
110 - Business and economics
120 - Sociology and archeology
130 - Weely workshop-3
140 - Technology and computers
150 - Climate and environment
160 - Chemistry, physics, astronomy
170 - Weely workshop-4
180 - Geology
190 - Psychology
200 - College campus vocabulary
210 - Weekly Workshop Study week

220 - Review of verb forms
230 - Review of articles
240 - Subject-verb agreement
250 - Comparative structures
260 - Modals
270 - Conditional sentences
280 - Problems and solutions
290 - Reported speech (1)
300 - Reported speech (2)
310 - Gerunds and infinitives
320 - Reference words
330 - The passive
340 - Conjunctions
350 - Relative clauses
360 - Office hours conversations
370 - Causatives
380 - Introductory there and it
390 - Paraphrasing
400 - Nominalization
410 - Common errors
420 - 词汇语法阶段测试

40 - Introduction to TOEFL Listening
50 - Main Idea Questions
60 - Main Purpose Questions
70 - Detail Questions
80 - Understanding the Function of What Is Said Questions
90 - Understanding the Speaker's Attitude Questions
100 - Understanding Organization Questions
110 - Connecting Content Questions
120 - Making Inferences Questions
130 - Note-taking skills
140 - Conversations: strategies and skills
150 - Conversations: Practices
160 - Lectures: strategies and skills
170 - Lectures: Practices
180 - Revision and Practice
190 - 听力阶段测试