单元要点归纳提升单元要点归纳提升give witness tohad那个看见了事故的目击者答应做证人。那个看见了事故的目击者答应做证人。witnessedaccommodationto accommodateto provide accommodation(s) for the homelessdepth深入地深入地at a depth ofurgeurgentabandonabandon oneself tobeing abandonedwith abandontargethit the targetmiss the targetachieve ones targetreflectreflect on the meaning of lifeawareawarenessunawarebe/become aware ofas far as Im awarebe aware of the potential causes of traffic accidentsnarrownarrow the gaphave a narrow escapenarrows down your choicesscarescaredfrom feeling scared to death for a momentdidnt stop me帮助帮助(某人某人)摆脱困境或危难摆脱困境或危难cant help doing sth.cant help (to) do sth.cant help but do sth.help us outupside downmakes the room upside down duringmy absencebe doing.when.be on the point of doing.when.had just done.when.was reading a book whenhave their house decoratedleadingto dodraggedsittingstop him fromachieving his targetbeing invitedbeing reducedbeing discussedbeing recognisedbeing treatedbeing punishedbeing exposedbeing caught