Unit 1 Text: Statement at the Opening Plenary Session of the United Nations Summit on Climate Change Grammar: Adverbial Clause of Time Unit 2 Text: Invisible Barriers Grammar: Adverbial Clause of Place Unit 3 Text: Business Law——Contract and Agency Grammar: Adverbial Clause of Manner Unit 4 Text: Keynote Speech at Economic Dialogue under the Framework of the China-US Strategic and Economic Dialogues Grammar: Adverbial Clause of Concession Unit 5 Text: Product Positioning Grammar: Adverbial Clause of Condition Unit 6 Text: A Changing China in a Changing World Grammar: Adverbial Clause of Reason Unit 7 Text: Strategies of Transnational Corporations Grammar: Adverbial Clause of Purpose Unit 8 Text: International Stock Exchange of UK Grammar: Adverbial Clause of Result Unit 9 Text: Development Issues (I) Grammar: Adverbial Clause of Comparison Unit 10 Text: Development Issues (II) Grammar: Revision Unit 11 Text: Investment Demand Grammar: Subject-Verb Agreement Unit 12 Text: Foreign Exchange Trading Grammar: Emphatical "It". Unit 13 Text: International Marketing Research and Steps Grammar: Inversion Unit 14 Text: Balance of Payments Grammar: Subjunctive Mood (I) Unit 15 Text: International Financial System Meets Challenge. Grammar: Subjunctive Mood (II) Unit 16 Text: Economy Theory and Dumping Grammar: Revision