| Food crops&disaster&evolution and migration | 19 | September 19, 2012 |
| Barron's 28 | 15 | August 30, 2012 |
| Barron's 27 | 15 | August 28, 2012 |
| Barron's25 | 15 | August 22, 2012 |
| Barron Lesson4 | 17 | June 5, 2012 |
| Barron Lesson4 | 17 | June 5, 2012 |
| Barron Lesson4 | 17 | June 5, 2012 |
| 《smog》《autism》《parasitic plants》《edna Ferber》 | 35 | April 30, 2012 |
| <Coral><Aggression> | 45 | April 30, 2012 |
| Barron's Lesson 3 | 17 | April 21, 2012 |
| Listening Lesson 1 | 35 | April 21, 2012 |
| Barron's 1,2 & VOA 1 | 38 | April 17, 2012 |
| Barron's Lesson 2 | 48 | April 10, 2012 |
| VOA 1: Health & small 1: Education | 39 | April 9, 2012 |
| Barron's lesson 1 | 53 | April 6, 2012 |
| Listening--OG track 03 &09 | 47 | March 21, 2012 |
| Toefl vocabulary ★ | 143 | March 19, 2012 |
| Listening---OG Track1 | 21 | March 19, 2012 |
| Listening of lecture----the range of topics | 59 | March 18, 2012 |
| 0218-长难句（一） 单词 | 35 | February 24, 2012 |
| SSP Unit 1 0222-1 | 42 | February 22, 2012 |
| 0221-1 Listening "I Love Lucy" | 16 | February 21, 2012 |
| RW Vocabulary 0219-1 | 25 | February 19, 2012 |
| Listening-what isTAs supposed to do | 17 | February 17, 2012 |
| vocabulary 0215-1-2 | 114 | February 15, 2012 |
| new words 2.13 | 55 | February 13, 2012 |