2017届高考英语一轮复习课件：Book2 Unit 4（人教版必修2）_高考复习指南

2017届高考英语一轮复习课件：Book2 Unit 4（人教版必修2）

　　B．a certain C．certain

　　D．any

　　[解析]certain 后跟复数名词，意为“某些”。 [答案]C 考点短语

　　1．die out 灭亡；逐渐消失 This kind of animal is dying out. 这种动物快要灭绝了。 Many traditional customs have died out because they are out of date. 许多传统风俗已经消失，因为它们已经过时了。 The fire died out soon after the firefighters came. 消防队员到来后不久火就熄灭了。【思维拓展】 die of/from 死于 die down (声音、火焰等)逐渐减弱、降低、察觉不到 die off 相继死去 die away (声音等)渐渐消失即境活用14　(2017·山东微山一中质检)The English of 500 years ago was very different from the English of today. Over time, some words and expressions even ________ completely. A．come to an end

　　B．come into being C．break up

　　D．die out [解析]die out 灭绝。句意：500年前的英语与现在的英语迥异。随着时光流逝，一些词语甚至绝迹。 come to an end 结束； come into being 开始存在；break up 破碎。 [答案]D 2．in danger (of) 在危险中；垂危 He told us the girl was in danger, so we went to help her. 他告诉我们这个女孩处境危险，因此我们去帮助她。 The little boy was once in danger of losing his sight. 那个小男孩曾经处于失明的危险中。【思维拓展】 out of danger 脱离危险 full of danger 充满危险 a danger to... 对……很危险【易混辨析】 in danger/dangerous in danger 指身处危险中，指状态。 dangerous adj. 危险的；指给别人造成危害。即境活用15　The boy was seriously hurt in the chest and his life was ________. A．in danger