高一下词组整理UNIT 1 Generally speaking On national holidays Depend on A number of sea routes Pass through the famous Three Gorges The first choice for Limited time The time-saving advantage Popular tourist destinations/attractions On schedule Speaking of Be pressed for time Offer fairly good services In brief A round-trip ticket A travel brochure The permanent habitat Be surrounded by Within arm ’s reach A master of ceremonies Sort out A tour guide UNIT 2 There ’s no feeling like Take a special class Change into Receive instructions from the guide Be afraid of heights Lead up to 向上通向Speed by Come into view Bird ’s eye view of the city Extend in all directions ▲Feel proud of / take pride in / pride oneself on Be ready to do乐于做某事in an instant 一会儿tourists at home and abroad without doubt beyond wor