Unit 4 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Unit 4的核心知识体系。从14个核心单词的基础认知出发，延伸至13个拓展词汇的词形转换与语义拓展，再到15个重点短语的固定搭配学习，最终落脚于3个重点句型的结构理解与应用，构建起从词汇到句型的完整学习支架。 知识链路按照“基础词汇—拓展延伸—短语搭配—句型应用”的逻辑层层递进，清晰呈现单元语言知识脉络。通过词形转换训练、短语情境应用及句型结构分析，有效提升学生的语言能力，培养科学的学习策略，助力学生系统掌握单元知识，为语言综合运用奠定基础。

Unit 4　单元知识回扣 [对应学生用书P104] Ⅰ.核心单词 1．The boy is having a fever.You'd better damp a towel and lay it on his forehead(前额). 2．Sign your name in the blank(空白的) space at the bottom of the form. 3．Going without sleep for a long time makes me feel dizzy(头晕目眩的) and light­headed. 4．The power input(输入) will come largely from hydroelectricity in our country. 5．Puberty is the phase(阶段) of life when the youth leave childhood and head into adulthood，which is a significant process. 6．People tend to think that the items purchased(购买) at a relatively low price are of poor quality. 7．The salary was set at 12，000 yuan，plus a bonus(奖金) if the company had a good year. 8．The new product has quickly captured the market by virtue of its superior(优质的) quality. 9．He has suffered a mild(轻微的) heart attack—nothing too serious. 10．If you hire(租用)something，you pay money to the owner so that you can use it for a period of time. 11．He bought a big TV at vast expense(费用)so that everyone could see properly. 12．The abuse(滥用) of the medicine will do harm to our physical and mental health. 13．Police are investigating the theft(盗窃)of computers from the company's offices. 14．The kind girl took a coin out of her purse(钱包) and gave it to the poor child. Ⅱ.拓展词汇 1．potential n.(事物的)潜力，可能性adj.潜在的，可能的→potentially adv.潜在地 2．enterprise n.公司→enterprising adj.有创业精神的；有事业心的；有进取心的→entrepreneurial adj.创业的，具有创业精神的 3．distribute v.分发；分销；分配→distribution n.(商品的)分销，经销→distributor n.分销商 4．guide v.指导，指引 n.导游→guidance n.指导，引导 5．consult v.咨询；商量→consultant n.顾问 6．convention n.习俗；常规；惯例→conventional adj.传统的，常规的 7．discriminate v．不公平地区别对待，歧视→discrimination n.歧视 8．objective adj.客观的→[反义词] subjective adj.主观的 9．finance n.财政；金融→financial adj.财政的，金融的；财务的 10．accumulate v.积累，集聚→accumulation n.积累 11．automatic adj.自动的→automatically adv.自动地 12．sorrow n.令人悲伤的事，不幸→sorrowful adj.悲伤的 13．frustrate v.使懊恼，使沮丧→frustration n.懊丧，懊恼，沮丧→frustrated adj.沮丧的，懊恼的→frustrating adj.令人沮丧的，令人懊恼的 Ⅲ.重点短语 1．as to 关于，至于 2．a world away from... 一个远离……的世界 3．row upon row鳞次栉比的 4．be bitten by the...bug 爱上……；喜欢上…… 5．start out开始； 出发； 着手进行 6．make ends meet 使收支仅能相抵 7．keep/bear...in mind 牢记；放在心上 8．interfere with 妨碍；阻止 9．go into debt 陷入债务之中，负债 10．response to对……的回应 11．at a rock­bottom price 以最低价格 12．rent out 出租(房屋、房间、土地等) 13．do a further favour for 对……更有利 14．at the expense of 以……为代价 15．be subject to 受……支配；受……影响 Ⅳ.重点句型 1．强调句型 他是在大学时开始对体育表现出兴趣的。 It was at university that he began to show interest in sports. 2．“whether...or...”意为“无论是……还是……；不论是否……” 无论你喜欢还是不喜欢这个工作，你都必须完成它。 Whether you like or dislike the job，you have to finish it. 3．“as is often the case...”意为“这是常有的事，情况往往如此” 和语言学习一样，普通话学习也需要大量的练习。 As is always the case with language learning，Mandarin learning also calls for lots of practice. 学科网（北京）股份有限公司 $