Unit 2 单元知识回扣-(配套教参)【精讲精练】2025-2026学年高中英语必修第三册(外研版)

该高中英语知识清单系统梳理了Unit 2的核心词汇、拓展词汇、重点短语及句型知识体系。以核心单词为基础，通过拓展单词构建词形转换网络，结合重点短语和句型，形成从基础词汇到语用表达的学习支架。 知识链路按“核心词汇-拓展转换-短语运用-句型掌握”逻辑递进，核心单词配语境例句，拓展词汇系统呈现词性变化，助力语言能力提升。重点句型通过典型例句强化结构理解，培养学习能力中的策略运用，帮助学生构建完整的单元语言知识框架。

Unit 2　单元知识回扣 [对应学生用书P48] Ⅰ.核心单词 1．A combination of internal(内部的)and external factors caused the company to close down. 2．Four years' college life laid a solid foundation(基础)for his work. 3．Plenty of rubbish can be recycled (回收利用) like cans，paper，bottles，and so on. 4．The fountains (喷泉) of Rome are famous for their architectural beauty. 5．Owners can earn (挣得) money from renting out items not made full use of. 6．Lila's education classes helped her gain some insight (顿悟) into the minds of preschoolers. 7．He felt that it was his mission (使命) in life to help others in trouble. 8．Smoking and drinking are harmful to our bodies and cause many serious diseases (疾病). 9．They live in a territory (地区) where women are in the majority. 10．It is believed that lung cancer (癌症) is closely linked to smoking. 11．A total of 1.9 million people in our country gained teaching certificates (证书)，and teachers at higher education institutions (机构) grew by 5.34 percent compared to last year. 12．Better training policies and new technologies are aiding (帮助) disabled people in the workplace. 13．The purpose of military (军事) training should be to help students build up strong bodies and wills instead of killing their personalities. 14．The chief (最主要的) reason why I'm not taking a holiday is that I have too much work to do. 15．Only when you have obtained (获得) enough evidence can you come to a sound conclusion. 16．We must keep off drugs (毒品) because they do great harm to our health. 17．The government department in charge of schools is the Ministry (部) of Education. 18．We expect to see further (进一步的)improvement over the coming year. 19．The supermarket is taking on a few temporary (暂时的)assistants for the National Day holiday. Ⅱ.拓展单词 1．contribute v.贡献→contribution n.贡献 2．relief n.减轻，缓解→relieve vt.使减轻；使解除(痛苦、忧愁等) 3．short adj.短的；短暂的；短缺的→shortage n.短缺，不足，缺乏 4．effect n.效果；影响→effective adj.有效的，产生预期效果的 5．donate v.捐赠，捐献→donation n.捐赠，捐献→donor n.捐献者；赠送人 6．real adj.真的→reality n.真实，现实→really adv.真正地；实际上 7．extend v.持续；延伸→extension n.延伸；扩大 8．disabled adj.伤残的→disability n.残疾，残障 9．sense n.感官；意识 vt.感觉到，意识到→sensitive adj.敏感的，容易生气的→sensible adj.明智的；合理的 10．generous adj.慷慨的，大方的→generosity n.慷慨；大方 11．hesitate v.迟疑，犹豫→hesitation n.犹豫；踌躇 12．assist vt.帮助；协助；援助→assistance n.帮助，援助→assistant n.助手；助理；售货员 13．register v.登记；注册→registration n.登记，注册 14．confirm vt.证实；肯定；确定→confirmation n.证实，证明 15．achieve vt.完成；达到→achievement n.成绩，成就 16．major adj.重要的，主要的→majority n.大部分，大多数 17．treat vt.& vi.治疗；对待；款待 n.款待；招待→treatment n.治疗；疗法 Ⅲ.重点短语 1．look across 往对面看 2．earn/make money 挣钱 3．turn out 出席；在场 4．break into a smile 突然笑起来 5．set up建立 6．benefit from 从……之中获益 7．make one's dream a reality 使某人梦想成真 8．transport...to safety 运送……到安全地方 9．keep records of 把……记录下来 10．take in 收留，收容 11．at one point 一度，在某一刻 12．rise to one's feet 站起身来 13．bring...to public attention 让公众注意到…… 14．pass away 去世 Ⅳ.重点句型 1．“not...but...”意为“不是……而是……” 不是你而是我要为这次延误负责。 Not you but I am responsible for the delay. 2．“on/upon(doing) sth”意为“一……就……” 一听到他没有通过考试的消息，他就大哭起来。 On/Upon hearing the news that he didn't pass the exam，he burst into tears. 学科网（北京）股份有限公司 $