《英语词汇学》ppt教学课件（英文版）： Chapter 1 Connection of lexicology with Other branches of lingusitics Chapter 2 Sources of English Vocabulary chapter 3 Compounding chapter 4 blending chapter 5 Conversion Chapter 6 World Meaning and Semantic Relation Chapter 7 Conceptual Meaning chapter 8 social meaning chapter 9 collocative meaning chapter 10 connotative meaning Chapter 11 Words and Gender chapter 12 extension of meaning Chapter 13 Elevation and Degradation of Meaning Chapter 14 Word and Politics Chapter 15 Euphemism Chapter 16 English Idioms Chapter 17 American and British Englishes Chapter 18 How to use a dictionary
安徽农业大学经贸学院国际贸易系《国际结算》ppt双语完整课件，王学惠主讲。共包括七部分内容： Chapter 1 International Trade and Practice Chapter 2 Introduction to International Settlement Chapter 3 Instruments Chapter 4 Remittance Chapter 5 Collection Chapter 6 Letter of Credit Chapter 7 Documents
It covers more grammar topics than the online version.You can view it on your desktop as an easy reference guide. It is easy to print out pages from this version using any standard printer. You can access regular updates to the Online English Grammar now that you have purchased this copy. All that is required is that you supply your username and password to begin the download. You will receive regular emails when new updates are available. The update subscription is valid for one year from the date you purchased the item from us。
now that we all know the structure of DNA (right?), I can get a little more artistic. This is intended to be sort of an outdoorsy image, with each strand one color - brown and green for tree bark and leaves. Okay, so it's a little hokey... :)
A standard CPK model, colored by element, against a stone background.The flat base-pairs are stacked in the center of the strand, perpendicular to the view, and the backbone makes a right-handed spiral around the central, vertical axis.
