2013年高考将于6月7日、8日举行，威廉希尔app 高考频道编辑为广大考生整理了2013高考英语复习核心考点解析，帮助大家备考。

set off (for)出发，动身(去某地)

set off 引爆

set out to do sth.着手……

n.

set about+ doing开始(着手)做……

①We’ll set off fox Xi’an at six tomorrow.

②Polonium is used to set off a nuclear bomb.

③He set out to break the record for the crosschannel swim.④I don’t know how to set about this job.