河北理工学院：《化工原理》课程总结_1.4.z2b

《新编大学英语》综合教程（第三版第一册）B1U2_Translation & Writing

《新编大学英语》综合教程（第三版第一册）B1U2_self market_Writing Material_How to Write a Personal Experience

剑桥（join in）版六年级英语下册_电子教案_Unit 5 I love reading_I love reading （Part 1-2b）

8.1. Independent Firms The downstream firm's problem is max(a-bxc-wT The upstream firm's problem is max(a-2b)3-cr The output is 8.2. Integrated Firm Suppose now that the two firms merge into one firm. This firms problem is max(a-by)y

《新编大学英语》综合教程（第三版第一册）B1U2_self market_Reading Material_课文背景材料

《新编大学英语》综合教程（第三版第四册）B4U2_Teacher 1, Bk 4 [Final to fltrp]

《新编大学英语》综合教程（第三版第四册）B4U2_self-market_vocabulary and grammar

《新编大学英语》综合教程（第三版第一册）B1U2_self market_Reading Material_课文翻译及课后练习答案

《新编大学英语》综合教程（第三版第四册）B4U2_self-market_self-reading_The power of words-Parenting