【题目】Traditionally, college students hold a graduation ceremony to encourage themselves before they on their life jouney.
A.give up
B.settle down
C.get through
D.set off

【答案】D
【解析】句意：传统上，大学生们在他们踏上人生旅程之前，要举行一个毕业仪式来鼓励他们自己。A、give up“放弃，交出”；B、settle down“定居，专心于”；C、get through“通过，到达”；D、set off“出发，动身”。结合语境可知选D。