精选优质文档-倾情为你奉上人教版高一英语必修一Unit2知识点梳理及练习1.official adj.官方的;正式的;公务的 e.g. There will be an official inquiry into the matter.将对这件事进行正式调查。 【拓展】official 或 officer两者都有官员的意思,但是所指不同。official常指政府官员或行政官员 officer常指身特定制服的官员,如军官或者警官等。 【练习】My father is an_ in the army, while his father is an_ in the government. 2. voyage n.航行;航海;航天辨析:voyage/journey/travel/trip/tour 1) voyage: 去国外或较远地方的海上旅行 make a voyage 进行一次航行e.g. Columbus succeeded in making a voyage to America in 194