Unit 4 Section Ⅲ Discovering Useful Structures（课件PPT）-【金榜题名】2026-2027学年高一英语必修第一册高中同步学案（人教版）

该高中英语课件聚焦Unit 4 Natural disasters的定语从句语法，通过课前预习（基础达标）梳理关系代词（that/which/who/whom/whose）基础用法，课堂探究（互动导学）深化理解，随堂演练（句子升级）实现应用，构建从基础到综合的学习支架，帮助学生系统掌握语法知识。 其亮点在于分阶段进阶设计，注重语言能力（通过句子合并提升表达准确性）和思维品质（简单句到复合句的逻辑转换）培养，如随堂演练中“合并简单句为定语从句”实例强化应用。采用任务型教学，学生在实践中提升学习能力，教师可借助结构化资料高效开展语法教学。

Unit 4　Natural disasters Section Ⅲ　Discovering Useful Structures Unit 4　Natural disasters 返回导航 1 目录 contents Part 01 课前预习 基础达标 Part 02 课堂探究 互动导学 Part 04 课时作业(十九) Part 03 随堂演练 提分提能 Unit 4　Natural disasters 返回导航 1 课前预习 基础达标 返回导航 Unit 4　Natural disasters 返回导航 1 that/which that/whom/who whose that/which that/whom/who Unit 4　Natural disasters 返回导航 1 who whose that that/which whose Unit 4　Natural disasters 返回导航 1 whose that/which that that/whom/who that/which whose Unit 4　Natural disasters 返回导航 1 whom/who/that that that who Unit 4　Natural disasters 返回导航 1 课堂探究 互动导学 返回导航 Unit 4　Natural disasters 返回导航 1 Unit 4　Natural disasters 返回导航 1 to with to Unit 4　Natural disasters 返回导航 1 Unit 4　Natural disasters 返回导航 1 on from by Unit 4　Natural disasters 返回导航 1 Unit 4　Natural disasters 返回导航 1 that who who who Unit 4　Natural disasters 返回导航 1 whose whom Unit 4　Natural disasters 返回导航 1 Unit 4　Natural disasters 返回导航 1 Unit 4　Natural disasters 返回导航 1 Unit 4　Natural disasters 返回导航 1 who who who whose whom/who Unit 4　Natural disasters 返回导航 1 Unit 4　Natural disasters 返回导航 1 Unit 4　Natural disasters 返回导航 1 Unit 4　Natural disasters 返回导航 1 who/whom/that that/which which/that Unit 4　Natural disasters 返回导航 1 Unit 4　Natural disasters 返回导航 1 Unit 4　Natural disasters 返回导航 1 Unit 4　Natural disasters 返回导航 1 Unit 4　Natural disasters 返回导航 1 ②她把她感兴趣的人和物都拍摄了下来。 She took photographs of the things and people _________________________________. 答案：that she was interested in ③聊天是她唯一最感兴趣的事。 Chatting was __________________ interested her most. 答案：the only thing that Unit 4　Natural disasters 返回导航 1 随堂演练 提分提能 返回导航 Unit 4　Natural disasters 返回导航 1 请将下列句子升级为含有定语从句的复合句。 1．We are going to interview the writer.His new novel has been well received by the public. __________________________________________________________________________________________________________________________ 答案：We are going to interview the writer whose new novel has been well received by the public. Unit 4　Natural disasters 返回导航 1 2．The washing machine is out of order.Mrs.Green bought the washing machine a month ago. __________________________________________________________________________________________________________________________ 答案：The washing machine (that/which) Mrs.Green bought a month ago is out of order. Unit 4　Natural disasters 返回导航 1 3．The police are looking for the little girl.The little girl got lost yesterday. ___________________________________________________________ 答案：The police are looking for the little girl that/who got lost yesterday. Unit 4　Natural disasters 返回导航 1 4．The girl is making a speech under the national flag.The girl is our monitor. __________________________________________________________________________________________________________________________ 答案：The girl who/that is making a speech under the national flag is our monitor. Unit 4　Natural disasters 返回导航 1 5．They visited Peter yesterday.Peter’s leg was injured in a car accident. __________________________________________________________________________________________________________________________ 答案：They visited Peter yesterday whose leg was injured in a car accident. Unit 4　Natural disasters 返回导航 1 6．I value the cellphone.My aunt gave me the cellphone as my birthday gift last weekend. __________________________________________________________________________________________________________________________ 答案：I value the cellphone (that/which) my aunt gave me as my birthday gift last weekend. Unit 4　Natural disasters 返回导航 1 7．Susan is clever.Susan’s dream is to become a famous singer. ___________________________________________________________ 答案：Susan，whose dream is to become a famous singer，is clever. 8．Mary can’t believe the news.Tony told her the news just now. ___________________________________________________________ 答案：Mary can’t believe the news (that/which) Tony told her just now. Unit 4　Natural disasters 返回导航 1 课时作业（十九） 点击进入 word Unit 4　Natural disasters 返回导航 1 谢谢观看 Unit 4　Natural disasters 返回导航 1 单句语法填空 1．Last weekend my roommates and I talked about the happy days __________ we had in college. 2．Jake used to be a brave boy _____________ his teachers always praised. 3．Ann’s parents allowed Ann to help John _____ family was poor. 4．They have got a robot __________ can take care of the old and babies. 5．Lucy called her brother _____________ she hadn’t spoken to for five years. 6．The firefighter rescued those ___ were trapped in the lift. 7．I visited the couple last week _____ daughter is studying in the United States. 8．It is the most interesting story ____ I have ever read. 9．There are many things __________ I need to buy before the trip to France. 10．Martin didn’t buy the new cellphone _____ price was too high for him. 11．Do you like the film Titanic _____ music is very beautiful? 12．I’m not interested in the story __________ is about the trip to the moon. 13．One Hundred Years of Solitude is the most wonderful book ____ I have read so far. 14．When she came near，I found that she was one of my classmates _____________ I had not met since graduation. 15．Today there are lots of video games __________ eat up our time. 16．Lucy likes the woman writer _____ books teach her a lot. 17．Johnson is the student _____________ his teachers are proud of. 18．I won’t do anything ____ harms me or my friends forever. 19．All the stories ____ Mrs.Yang wrote have something to do with teenagers. 20．Alice is one of the girls in our school ___ have won the prize three times. Step Ⅰ　语言点 1．supply　n．供应(量)；补给；[pl.]补给品 vt.供应；供给 (教材P52)The supplies which were provided to the disaster area were collected from around the country. 向灾区提供的物资是从全国各地收集来的。 (1)school/medical supplies学校用品/医疗用品 (2)supply sth.to sb.　为某人提供某物 supply sb.with sth.　为某人提供某物 ①The water supply has been cut off because the workers are repairing the main pipes. 因工人们在修主要管道，水资源供应被切断。 ②The Internet supplies a lot of information __ us every day. 因特网每天给我们提供很多信息。 ③There is no need to worry.We can supply you ____ whatever you need. ＝There is no need to worry.We can supply whatever you need __ you. 没有必要担心，我们可以提供任何你需要的东西。 2．survive　vi.生存；存活　vt.幸存；艰难度过 (教材P52)She’s feeding the baby who survived the earthquake. 她在喂在地震中幸存的婴儿。 (1)A survive B (by)．..　A比B活得长…… survive on　依靠……生存下来 survive from　从……存活下来，流传下来 (2)survivor n．　幸存者 survival n．　[U]幸存；[C]残存物 ①Of the six people injured in the terrible accident，only two survived. 在这次可怕的事故受伤的六人中，只有两人活了下来。 ②The traveler trapped in the lonely island survived __ the fish caught in the sea. 被困在孤岛上的那位旅客靠在海里捕到的鱼生存了下来。 ③Some strange customs have survived ____ earlier times. 有些奇怪的风俗是从早年流传下来的。 ④The old lady has survived all her sisters and brothers __ ten years. 那位老妇人比她所有的兄弟姐妹晚去世10年。 语境助记 He was the only survivor in that bad accident，and after the survival，he has been living a happy and healthy life. Step Ⅱ　关系代词引导的限制性定语从句 Ⅰ.新知导引：用适当的关系代词填空 1．(教材P50)There were deep cracks ____ appeared in the well walls. 2．(教材P50)Two thirds of the people ___ lived there were dead or injured. 3．(教材P50)The number of people ___ were killed or badly injured in the quake was more than 400，000. 4．(教材P50)Soon after the quakes，the army sent 150，000 soldiers to Tangshan to dig out those ___ were trapped and to bury the dead. 5．(教材P50)Workers built shelters for survivors _____ homes had been destroyed. 6．(教材P52)A doctor with ____ James used to work died in the 2016 earthquake in Ecuador. Ⅱ.定义 1．在主从复合句中，对某一名词或代词起修饰作用的从句叫定语从句。被修饰的名词或代词叫先行词，引导定语从句的词叫关系词。 2．关系词分为关系代词(that，which，who，whom，whose，as等)和关系副词(when，where，why等)两类。 Ⅲ.关系代词的基本用法 1．who指人，在定语从句中可以充当主语、宾语或表语。 ◆The children who were injured in a car accident are being treated in the hospital now. 在车祸中受伤的孩子们现在正在医院接受治疗。(作主语) ◆Danny was a man who we rescued from the ruins. 丹尼是我们从废墟中救出来的一个人。(作宾语) 2．whom指人，在定语从句中作宾语，可省略，也可用who代替。 ◆Rose is the person (who/whom) you should care about. 罗丝是你应该关心的人。 ◆The boy (who/whom) the teacher often praises is their monitor. 老师经常表扬的那个男孩是他们的班长。 3．whose既可以指人，也可以指物，表示“所属”关系，whose在定语从句中作定语。 ◆Any student whose family is too poor to go to school can get help from the government. 任何由于家境贫寒而上不起学的学生都可以得到政府的帮助。(修饰人) ◆He lives in a room whose window faces north. 他住在一个窗子朝北的房间里。(修饰物) [即时演练1]——关系代词填空 ①The woman ___ is shaking hands with my sister is a doctor. ②Those ___ want to see the film set down your names，please. ③The girl ___ graduated from Cambridge University is called Amanda. ④I like those books _____ topics are about history. ⑤The old man ________ you spoke to is a famous doctor. 4．which指事物，在定语从句中作主语或宾语，作宾语时可省略。 ◆China is a country which has a long history. 中国是一个具有悠久历史的国家。(作主语) ◆The radio (which) he bought yesterday doesn’t work. 他昨天买的收音机坏了。(作宾语) ◆This is the house in which I once lived. 这是我曾经住过的房子。(作介词in的宾语) 5．that既可指人，也可指物，在定语从句中作主语、宾语或表语，作宾语时可省略。习惯上指人多用who，whom，指物多用which。 ◆This is the novel that interests me. 这就是让我感兴趣的那本小说。(指物，作主语) ◆The magazine (that) I bought yesterday is lost. 我昨天买的那本杂志丢了。(指物，作宾语) ◆The number of people that/who come to visit this city each year reaches one million. 每年来参观这座城市的人数达100万。(that指人，作主语) 温馨提示 关系代词指代先行词在定语从句中充当主语、宾语、定语或表语，因此定语从句中不能再出现关系代词所替代的名词或代词。 [译]昨天晚上我们看的那部电影非常吓人。 [误]The film (that/which) we saw it last night is very frightening. [正]The film (that/which) we saw last night is very frightening. [即时演练2]——关系代词填空 ①Look，here are some people _____________ I want you to meet. ②Do you still remember the chicken farm __________ we visited three months ago? ③The picture __________ was about the accident was terrible. Ⅳ.关系词只能用that而不用which的情况 1．当先行词为all，everything，nothing，anything，much等不定代词时。 ◆Have you taken down everything that Mr.Li said? 李老师讲的你都记下来了吗？ ◆All that can be done has been done. 所有能做的都做了。 2．先行词被序数词或形容词最高级修饰时。 ◆The first place that they visited in London was the Big Ben. 在伦敦他们参观的第一个地方是大本钟。 ◆This is the most delicious food that I have ever had. 这是我吃过的最美味的食物。 3．先行词被all，every，no，the only，the very，the last等修饰时。 ◆I’ve read all the books that are not mine. 我已经读了所有那些不是我的书。 ◆The only thing that she could do was to go to the police for help. 她唯一能做的事就是去求助警察。 ◆I have found the very pen that I lost yesterday. 我已找到昨天丢的钢笔。 4．当先行词既指人，又指物时。 ◆We often talk about the persons and things that we remember. 我们常常谈起我们记得的那些人和事。 [即时演练3]——完成句子 ①这是我参观过的最漂亮的公园。 This is the most beautiful park _____________________________． 答案：that I have visited $$