097Removing Dams讲解

105Sumerian Contributions讲解

9分达人阅读第45套P3-What’s the purpose of gaining knowledge?

听力音频： 雅思听力真题第138套音频   https://mp.weixin.qq.com/s/lPfFOaOWq5Azssciy6rLiA     PART 1 : QUESTIONS 1-10 Questions 1-2   Choose the correct let...

9分达人阅读第42套P1-Raising the Mary Rose

9分达人阅读第50套P2-Oxytocin

046England’s Economy in the Sixteenth Century讲解

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雅思阅读第063套P2-Production line

077Mating Songs of Frogs讲解