Ⅰ.词汇知识 (vt.& vi.)咬、叮、刺痛 ( n.)结尾→____________(v.)结束 (vt.)检查;视察→____________(n.)检查员;视察员→____________(n.)检查;视察 (n.)事件;事变→____________(n.)意外事故 (n.)灰尘;尘土;尘埃→____________(adj.)(n.)消失→____________(v.)→____________(n.)反义词 (adj.)凶猛的;猛烈的→____________(adv.) 答案: ;end ;inspector;inspection ;accident ;dusty ;disappear;appearance ;fiercely Ⅱ.重点短语 e________being 形成;产生 按照;根据……所说 以至于;结果 很久以前 肯定地;确切地 last 500 years 在过去的500年里 答案: Ⅲ.必背句型 lived on the earth tens of millions of years ago,________humans came into being and their future seemed secure at