2017届高考英语一轮复习课件：Book3 Unit 4（人教版必修3）_高考复习指南

2017届高考英语一轮复习课件：Book3 Unit 4（人教版必修3）

　　D．pulled out [解析]pull out 驶出车站。 [答案]D 2．exist vi.存在；生存 The technology for performing this operation already exists. 做这种手术的技术早已存在。 They are paid hardly enough to exist on. 他们收入微薄，几乎无法维持生活。 exist in 存在于……之中 exist on 靠……为生 exist by 靠……生存 There exist... 有……；存在着…… come into existence 开始存在；成立 bring... into existence 使发生；产生即境活用2　There, in the ancient temple, used to ________ a big bell, which is now missing. A．happen

　　B．come C．exist

　　D．stand [解析]There used to exist 过去有……。 [答案]C 3．puzzle n．谜；难题 vt.(使)迷惑；(使)为难 What puzzled me is why they didn't take her advice. 他们为何不接受她的忠告，这使我大惑不解。 in a puzzle 疑惑；困惑 puzzle over 冥思苦想 puzzle out 苦苦思索而弄清楚 be puzzled 感到困惑 be puzzling 令人困惑的即境活用3　The present situation is ________， and we are all________about what will happen in the days to come. A．puzzled; puzzling

　　B．puzzling; puzzled C．puzzling; puzzling

　　D．puzzled; puzzled [解析]puzzling 令人迷惑的，修饰物； puzzled 迷惑的，修饰人。 [答案]B 4．mass n．质量；团；块；大量 Her garden is a mass of flowers. 她的花园里种满了花。 I don't like children in the mass. 大体而论，我不喜欢儿童。 a mass of＝masses of 大量的；许多的 in the mass 大体上；大致上 the masses 大众；民众 the mass of... 大部分…… 【易错提示】 a mass of 和 masses of 后面可以接可数或不可数名词，作主语时谓语动词的单复数与 mass 的单复数保持一致。即境活用4　________ work has been done to prevent the water in the lake being polluted. A．A plenty of