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】branch和division意思相近：分支，分支机构。He's in charge of the State Department's African Affairs Division．他管国务院(美国)非洲事务部。unity：整体，联合。embassy：使馆。invasion：入侵，侵略。