2014-2015学年高中英语Unit5MeetingyourancestorsLanguagepoints1课件新人教版选修.ppt

Language points,1. alternative n something that you can choose to do or use instead of something else 替换物 There are some alternatives to our plan. 有几种方案可以代替我们的计划。,2. We have been excavating layers of ash almost six metres thick, which suggests that they might have kept the fire burning all winter. 我们一直在挖掘一层层的积灰, 几乎有六米厚, 这说明他们可能整个冬季都在烧火。,3. Im sorry to interrupt you but how could they live here? 很抱歉打扰你, 我想问问他们是怎么在这里生活的？,句型“Im sorry.but.”是口语中委婉的表达, “but”表示语义上的转折。,2) 打岔; 插嘴 It is rude to interrupt. “Dont interrupt,” he said.,interrupt 1)阻断, 中断 His studies were interrupted by the war Dont interrupt him, for he hasnt finished yet.,interrupt v. 打扰，打断，阻碍。常有 “使停止(中断)”的意思。 His speech was constantly interrupted by applause. disturb v. 打扰, 妨碍。常指失去了正常的状态或导致困难产生。 Bad dreams disturbed her sleep.,区别: interrupt 和disturb,4. So we think it is reasonable to assume they lived in these caves, regardless of the cold 因此我们有理由认为他们不顾寒冷住在这些洞穴里。,regardless of the cold 不顾寒冷,assume vt. 1) to think that something is true although you have no proof of it 假定： 设想 The scientists assume that there are no animals on the moon 科学家设想月球上没有动物。,2) to pretend 装作 She assumed a look of surprise 她装出一副吃惊的样子。 regardless of prep. 1) without being affected by different situations, problems, etc. 不管; 不顾 He climbed the building, regardless of the danger 不管有多危险, 他还是爬上了大厦。,2) in spite of We will persevere regardless of past failures. 尽管以前我们失败过, 但仍要坚持下去。,cut something into small pieces 切碎,5. It seems that they might have used sharpened stone tools to cut up the animals and remove their skin. sharpened:使锋利;尖锐;清晰 cut up: cut something into small pieces 切碎 The worker cut up the wood. 工人将木头劈碎。,6. Why, its primitive necklace. primitive: 原始的;远古的;简陋的 The book is about the mythologies of primitive races. 这本书是原始民族神话集。 Primitive peoples deified the sun. 原始部落将太阳奉为神。,7. Yes and so well preserved 还保存得如此完好。 这是省略的句子, 完整句应是: and it is so well preserved (it指necklace) preserve: v. 保持；保存；保藏 I tried to preserve my independence. 我试图保持自己的独立性。 preserve: n 禁猎地,8. Yes, indeed, as the botanical analyses have been specifically showing us, all the fields around here used to be part of a large shallow lake 确实, 正如植物学分析具体显示给我们的那样, 附近所有的土地都曾是大型浅湖的一部分。,botany: n. 植物学 botanical: adj. 植物学的；与植物学有关的 analysis: n. 分析 We agreed with his acute analysis of the politi