商务交际英语（1）模拟题I. MULTIPLE CHOICE （10小题，每小题1分，共10分）Choose the letter indicating the best choice to complete each sentence or answer each question:1. Which of the following is NOT an external barrier to communication? a. Motivation or interests. b. Environmental factors such as lighting and heat. c. A closed or authoritarian climate. d. An open climate in which communication flows easily.2. What is NOT included in the purpose of communication? a. To establish goodwill. b. To
