单选题 An important part of the national government is the Foreign Service, a branch of the Department of State.
  • A. a unity
  • B. a division
  • C. an embassy
  • D. an invasion


【正确答案】 B
【答案解析】[解析] branch和division意思相近，分支、分支机构；embassy：使馆；invasion：入侵、侵略；unity：整体、联合。