Unit1 Period 2 Using language-【优学精讲】2026-2027学年高中英语选择性必修一同步教参（外研版）

本讲义聚焦高中英语非限制性定语从句核心知识点，从定义（补充说明、逗号隔开）切入，系统梳理关系代词（who, whom, which, whose, as）和关系副词（when, where）的用法，明确不用that/why等注意事项，通过对比as与which的指代、位置及意义差异构建知识支架，辅以教材及高考真题例句助力理解。 该资料特色在于立足语言能力培养，整合教材例句与2024-2025年高考真题，设计单句语法填空与语法写作结合的练习，提升语境运用能力。对比as与which的思维训练，培养分析比较的思维品质，课中助力教师系统授课，课后通过分层练习帮助学生查漏补缺，强化学习能力。

Period 2　Using language 非限制性定语从句 非限制性定语从句只是对先行词进行补充说明，主从句的关系并不十分密切，如果省略非限制性定语从句，主句的意思仍然完整清楚。非限制性定语从句和主句之间往往用逗号隔开。 一、非限制性定语从句的关系词 (1)(教材P2)I walk through the doors into the waiting area, where there's a familiar atmosphere of boredom and tension. 我穿过一道道门进入候诊区，那里有一种熟悉的、无聊又紧张的气氛。 (2)(教材P2)Scientific studies show that laughter produces chemicals to make people feel better, which means clown doctors can be helpful. 科学研究表明，笑会产生让人感觉更好的化学物质，这意味着小丑医生是能有所帮助的。 (3)(教材P4)We have to be very sensitive and work closely with the doctors and nurses, who keep us updated on each patient. 我们必须非常善解人意，并与医生和护士密切合作，他们让我们了解每个病人的最新情况。 (4)(北师大选必三U8)In November, a cold，unseen stranger, whom the doctors called Pneumonia, arrived in Greenwich Village. 十一月的时候，一个冷酷无形，医生称之为“肺炎”的不速之客，来到了格林威治村。 (5)(人教选必一U1)This year's Nobel Prize in Physiology or Medicine has been awarded to Tu Youyou (co-winner ), whose research led to the discovery of artemisinin, a crucial new treatment for malaria. 今年的诺贝尔生理学或医学奖授予了屠呦呦(共同获奖者)，她的研究使青蒿素得以发现，而青蒿素是一种治疗疟疾的关键性新型药物。 (6)(人教必修一U2) No one in modern times knew about the tomb or the terracotta statues until 1974, when some farmers discovered the tomb while they were digging a well! 现代人直到1974年才知道陵墓及兵马俑的存在，当时是一些农民在挖井的时候发现的这一陵墓！ (7)(教材P2)People sit uncomfortably on plastic chairs, looking through old magazines, all of which have been read hundreds of times previously. 人们别扭地坐在塑料椅子上，翻阅着之前已经被读过几百次的旧杂志。 (8)(人教选必一U1)Later, the medicine was tested on malaria patients, most of whom recovered. 后来，这种药物在疟疾患者身上进行了测试，大部分受试患者都康复了。 1．非限制性定语从句的关系词 关系词 先行词 在从句中所作成分 关系 代词 who 人 主语 whom 人 宾语 which 物/整个主句 主语/宾语 whose(＝of whom/which) 人/物 定语 as 人/物/整个主句 主语/宾语 关系 副词 when 时间名词 时间状语 where 通常是地点名词 地点状语 2.非限制性定语从句的注意事项 (1)非限制性定语从句不用that引导。 (2)非限制性定语从句不用why引导，可用for which代替why。 (3)指人和指物的关系代词在非限制性定语从句中作宾语时也不能省略。指人作宾语时只能用宾格whom，不能用who替换。 (4)“介词＋关系代词(which/whom)”也可引导非限制性定语从句。 (5)when和where引导非限制性定语从句可与“介词＋which”互换。 (6)“名词/代词/数词＋of＋关系代词”引导的定语从句通常是非限制性定语从句。 (7)“名词＋of＋which/whom”有时可以用“whose＋名词”或“of＋which/whom＋名词”替换。 二、as与which引导非限制性定语从句时的区别 (1)(人教必修三U4)As we all know, an astronaut needs to be healthy and calm in order to work in space.　众所周知，为了在太空中工作，宇航员需要身体健康和沉着冷静。 (2)More and more people in the world, as we see, have come to realize the significance of pollution control. 正如我们所见，世界上已经有越来越多的人意识到控制污染的重要性。 (3)Practicing English dialogues every day improves communication skills quickly, as language experts often emphasize. 正如语言专家经常强调的那样，每天练习英语对话能快速提升沟通能力。 (4)(人教必修二U4) People from the UK are called “British”， which means the UK is also often referred to as Britain or Great Britain. 来自联合王国的人被称为“英国人”，这意味着联合王国也经常被称为英国或大不列颠。 as与which引导非限制性定语从句时的区别 as which 指代 内容 引导从句时只能指代整个主句的内容 引导从句时既可指代整个主句的内容，也可指代主句的一部分 位置 可位于主句之前、之中或之后 只能位于主句之后 意义 正如、正像 这一点、这件事 功能 连接上下文，表达说话人的观点或看法，并指出主句内容的根据或出处等 引导的从句在意义上相当于一个并列句 as引导非限制性定语从句时，其后常接expect、know、report、say、see等动词的主动或被动语态句以及用于一些固定结构中。如as we all know/as is known to all(众所周知)、as you can see(如你所见)、as is/was expected(正如预料的那样)、as has been said above(如上所述)、as is mentioned above (正如上面所提到的)、 as is often the case (这是常有的事)等。 Ⅰ.单句语法填空 1．(2025·新高考全国卷Ⅱ)Yet now，I live in the countryside of Zhejiang, China with my Chinese husband and his family, where bamboo and tea bushes(灌木)grow wild in the mountains，chickens are always free-range，and central heating doesn't exist. 2．(2025·浙江卷1月) Tanya is also looking beyond special-occasion dresses to less formal clothing，which she plans to package as capsule wardrobes and offer to travellers, such as those headed to weddings abroad，with a longer-term rental period. 3．(2024·新高考全国卷Ⅱ) Chinese cultural elements commemorating (纪念) Tang Xianzu, who is known as “the Shakespeare of Asia，” add an international character to Stratford-upon-Avon, William Shakespeare's hometown. 4．(2024·全国甲卷) Yellowstone was the largest United States national park—2.2 million acres—until Wrangell-Saint Elias in southern Alaska, which became a national monument in 1978, took the honors as a national park in 1980 with 12.3 million acres. 5．(人教必修二U1)They are recording and collecting digital images of cultural relics from the Mogao Caves, which were a key stop along the Silk Road throughout China's ancient history. 6．As the old saying goes, “Actions speak louder than words.” 7．According to experts, this type of Chinese folk art originated from the Ming Dynasty, when sugar animals and figures were created as part of ceremonies for sacrifice. 8．The employer employed over 8，000 workers, eighty percent of whom were well-educated. 9．This summer I took part in a really interesting project called “One-Day Clean-Up”， whose aim is to make our environment clean. 10. They arrived at the driveway, at the end of which Grandma was waiting for them joyfully. Ⅱ.语法与写作 1．我想借此机会向我亲爱的老师们表示感谢，没有他们的帮助，我就不可能通过考试。 I'd like to take this opportunity to show my gratitude to my dear teachers, without whose help I couldn't have passed the exam. 2．我的祖父经历过许多苦难，他总是告诉我，黑暗中总有一线光明。 My grandfather, who has gone through many hardships, always tells me that every cloud has a silver lining. 3．正如我们所预料的，他的努力得到了回报，他的精彩表演获得了一阵阵掌声。 As we had expected, his efforts paid off, and his wonderful performance received bursts of applause. 4.这座城市的历史可追溯到几个世纪前，它以古老的建筑而闻名。 The city, whose history dates back centuries, is famous for its ancient architecture. 5．这个农场种植着新鲜农产品，为当地餐馆和市场供应有机食品。 The farm, where fresh produce is grown, supplies local restaurants and markets with organic food. 学科网（北京）股份有限公司 $