Unit 5 单元知识回扣-(配套教参)【精讲精练】2025-2026学年高中英语选择性必修第四册(外研版)

该高中英语知识清单系统梳理了核心单词、拓展词汇、重点短语和重点句型。从基础词汇积累出发，通过词性转换拓展词汇深度，进而掌握固定搭配的短语应用，最终落实到语法结构的句型实践，构建从词汇到语言应用的学习支架。 知识链路按词汇基础、拓展应用到句型实践的逻辑清晰呈现，每个知识点结合例句或语境辅助理解。通过系统梳理和语境练习，培养学生的语言能力和学习能力，习题强化词汇在语境中的应用，体现从输入到输出的学科学习方法，助力构建完整的语言知识体系。

Unit 5　单元知识回扣 [对应学生用书P130] Ⅰ.核心单词 1．It is said that the old coins had been buried(埋) under the earth for about 100 years by the time they were discovered. 2．The “South­to­North Water Diversion Project” will transport over a billion cubic metres of water via canals(运河) to Beijing annually. 3．It rained for a whole week，and the old house fell into ruin(毁坏). 4．The workman was disciplined by his company but not dismissed(开除). 5．As we all know，Oxygen is one of the basic elements of substance (物质). Ⅱ.拓展词汇 1．civil adj.文明的；有教养的→civilisation n.文明(社会)→civilise vt.教化；使文明 2．abandon v.离弃，逃离→abandoned adj.被放弃的，被遗弃的 3．expand v.扩大，扩展→expansion n.扩大；增加→expansive adj.广阔的；全面的 4．investigate v.调查→investigation n.调查 5．notable adj.显要的；显著的；值得注意的→notably adv.显而易见地；显著地；特别，尤其 6．drill v.钻(洞)；练习 n.钻；操练，训练→drilling n.钻探；勘探 Ⅲ.重点短语 1．correspond to 与……一致 2．apply...to...把……运用到……上 3．on top of 在……之上；除……之外 4．all the most 更加 5．at one's peak 在……顶峰；处于高峰时期 6．fall into ruin 衰落；败落 7．make a getaway 逃跑；逃走 8．run for one's life 逃命 9．check out 调查，检查 10．test the waters of... 试水，试探 11．steer clear of 避开……；从……处脱身 12．set out 动身踏上(漫长的)旅途 13．throw oneself into 积极投入到……中去 14．think twice 再三考虑，慎重考虑 15．shrink from 避免做，不愿做 16．look into 调查(问题) 17．set sail 起航 18．continue to do继续做…… 19．offer a window into..．为了解……提供了一扇窗 20．be equivalent to 等(同)于；相等(当)于…… 21．hold a record 保持一个纪录 22. beyond the reach of 无法达到；超出……的能力之外 Ⅳ.重点句型 1．leave＋宾语＋宾补 他父母都去国外工作了，留下他与爷爷奶奶一起生活。 His parents both went to work abroad，leaving him living with his grandparents． 2．“there is no need for sb to do sth”意为“某人没必要做某事” 你可以做笔记，但没有必要把黑板上所有的东西都记下来。 You can take notes，but there is no need to write down everything on the blackboard． 3．完全倒装 墙上挂着的是两幅齐白石的画。 Hanging on the wall are two paintings by Qi Baishi. 4．if型省略结构 你可以来北京度假。如果来的话，我将带你参观颐和园。 You can come to Beijing for a holiday.If so，I'll show you around the Summer Palace. 学科网（北京）股份有限公司 $