03-Unit 1 Period 2 Learning About Language-【优学精讲】2025-2026学年高中英语选择性必修第一册教用课件(人教版)

UNIT 1 PEOPLE OF ACHIEVEMENT 1 Period 2 Learning About Language 2 非限制性定语从句 返回导航 3 1 要义详析 探究语法 2 课堂微练 即时检验 4 PART 01 要义详析 探究语法 5 一、限制性定语从句与非限制性定语从句的区别 （1）（教材P<m></m>）In the beginning， Tu Youyou went to Hainan， where malaria was more common， to study malaria patients. 在开始的时候，屠呦呦去了疟疾更为常见的海南来研究疟疾患者。 （2）（教材P<m></m>）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。 返回导航 6 （3）（教材P<m></m>）This medicine， which was called artemisinin， soon became a standard treatment for malaria. 这种被称为青蒿素的药物很快成为治疗疟疾的标准药物。 （4）（2024·浙江卷1月） Of course， shops are not charities—they price goods in the way that/which will make them the most money. 当然，商店不是慈善机构——他们以最赚钱的方式给商品定价。 （5）（2023·北京卷） Rankings， however， are only one reason why a low value is placed on teaching in higher education. 然而，排名只是高等教育教学不受重视的原因之一。 返回导航 7 限制性定语从句 非限制性定语从句 意义 起限定作用，修饰特定的人或物，从句不可去掉，否则原句句意不完整 仅作补充或说明，若去掉从句，主句句意完整 表现形式 从句与先行词之间不加逗号 从句与先行词之间加逗号 先行词 名词、代词或名词性短语 名词、代词、名词性短语或整个主句 返回导航 8 限制性定语从句 非限制性定语从句 关系词 所有的关系词均可引导限制性定语从句，作宾语的关系代词可以省略 that和why不引导非限制性定语从句，关系词无论作何成分均不可省略 续表 返回导航 9 二、关系词在非限制性定语从句中的使用 （1）This is our headmaster， who I think has something crucial to tell you. 这是我们的校长，我认为他有至关重要的事情要告诉你。 （2）I have two foreign teachers， both of whom are from America. 我有两个外教，他们都来自美国。 返回导航 10 （3）There are twenty students in this class， whose backgrounds are different. 这个班级有20名学生，他们的背景各不相同。 返回导航 （4）He lived in a small town，which was surrounded by mountains. 他住在一个小镇上，小镇被群山环绕。 （5）He has been busy with his work the whole holiday， which makes his parents unhappy. 整个假期他都忙于工作，这让他的父母很不高兴。 （6）We will put off the outing until next Sunday， when/on which we won't be so busy. 我们将推迟郊游到下个星期天，那时我们就不会这么忙了。 返回导航 12 （7） Yesterday， they went to have a picnic in the park， where/in which they had a good time. 昨天，他们去公园野餐了，在那里他们玩得很开心。 返回导航 13 关系词 指代 所作成分 关系代词 who 指人 主语、宾语、表语 whom 指人 宾语 which 指物、整个主句或主句的一部分 主语、宾语、表语 whose 指人或指物 定语 关系副词 where 通常是地点名词 地点状语 when 时间名词 时间状语 返回导航 14 三、as与which引导非限制性定语从句的区别 （1）As we all know， various Chinese foods are associated with culture. 众所周知，各种中国食物都与文化相关。 （2）The number of tourists， as is reported， has increased by 17 percent in just one year. 据报道，游客的数量在一年内上升了17%。 （3）He is late for class again， as/which is often the case. 他上课又迟到了，情况经常如此。 返回导航 15 （4）He failed in the English exam， which made his father very angry. 他英语考试不及格，这让他的父亲很生气。 （5）（2023·全国甲卷） She even played some recordings of their singing， which was fun. 她甚至播放了一些他们唱歌的录音，这很有趣。 返回导航 16 as which 指代 只能指代整个主句的内容 既可指代名词、代词，又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 只能位于主句之中或之后 成分 可作主语、宾语、表语（但一般不作实义动词的主语） 可作主语、宾语、表语 意义 正如，正像 这一点，这件事 返回导航 17 as也可引导限制性定语从句，但通常用于“such...as...”、“as...as...”、“so...as...”、“the same...as...”结构中。 ＊He gave such a detailed explanation as he could， ensuring everyone could understand the concept. 他尽可能详细地解释，确保每个人都能理解这个概念。 返回导航 18 PART 02 课堂微练 即时检验 19 Ⅰ.单句语法填空 1.（2024·全国甲卷）Today I'd like to focus on some major developments， _______ include shared bicycles， high-speed trains and new energy vehicles. which 2.（2023·全国乙卷）But for all its ancient buildings， Beijing is also a place __________ welcomes the fast-paced development of modern life. that/which 3.（2023·北京卷）Nina recently finished her year-long series of runs in Chicago， _______ thousands were attending a water conference. where 返回导航 20 4.The sports meeting will be put off till next month， ______ we will have made all the preparations. 5.Then he worked as a technician on the Chengdu-Kunming Railway， _______ he gained valuable experience in railway engineering. 6.____ all his friends say， he is usually warm-hearted， loving and generous. 7.They enjoyed beautiful scenery in the mountain area，_______ they also did some climbing. when where As where 返回导航 21 Ⅱ.语法与写作（用非限制性定语从句升级下列句子） 1.We should pay attention to small details. This can guarantee to succeed in the end. →____________________________________________________________________________ We should pay attention to small details, which can guarantee to succeed in the end. 2.The foreign guests were warmly welcomed at the airport. Most of them were successful businessmen. →____________________________________________________________________________________________ The foreign guests, most of whom were successful businessmen, were warmly welcomed at the airport. 返回导航 22 3.It has been announced that we shall have our final exam next month. →_________________________________________________________________ As has been announced，we shall have our final exam next month. 4.We walked down the village street and people were having a market day there. →_____________________________________________________________________ We walked down the village street，where people were having a market day. 返回导航 23 5.Following the girl， we went into a hall. On its walls hung pictures of some famous scientists. →_________________________________________________________________________________________ Following the girl, we went into a hall, on whose walls hung pictures of some famous scientists. 返回导航 $