Unit 4 课时5 Section B Vocabulary in Use（教学课件）英语新教材人教版九年级上册

该初中英语课件聚焦“Our memory”单元词汇学习，核心围绕词缀构词规则及重点词汇运用，通过回顾已学词缀（-ful、-ing等）引导学生用词典从中心词（如act、forget）生成新词，搭建从已知到未知的学习支架，帮助建立词汇语义联系。 其亮点是以真实语境（动物记忆）为载体，通过“生成新词—句子练习—语篇应用”递进活动，培养语言能力（如用effective完成句子）和思维品质（分析词缀叠加规则），分层作业助力学习能力发展。学生能高效记词并迁移运用，教师可直接使用结构化流程与丰富素材提升教学效果。

Unit 4 Our memory. 主讲人：XXX 课型：词汇课 Section B Vocabulary in Use 在语境中感知常见词缀的构词规则，理解本节课重点词汇与固定短语的词性、释义以及使用语境，读懂词汇在句子和简短语篇里的含义，建立系统的词汇认知。（学习理解） 01 运用词缀知识拓展衍生词汇，结合时态、主谓一致调整词汇形式完成填空练习；借助核心短语造句、完成情景练习，在句子层面完成词汇的有效输出。（应用实践） 02 把学到的构词技巧和重点表达运用到真实话题交流当中，自主借助词缀积累课外生词，围绕记忆学习相关话题发表自己的观点，养成高效记词习惯。（迁移创新） 03 学习目标 Lead in 01 Presentation 02 Practice 03 Production 04 Summary 05 Language points 06 Exercises 07 Homework 08 Contents Lead in 01 Lead in Lead in 你还记得学过的 哪些词缀呢？ -ful -less un- -ing / -ed -dis -ian . . . Presentation 02 Presentation 2a Use affixes to create as many new words as possible. Use your dictionary. act react re- -ion -ive -or action active actor Presentation 2a Use affixes to create as many new words as possible. Use your dictionary. forget forgetful -ful -able -ness un- forgettable forgetfulness unforgettable Presentation 2a Use affixes to create as many new words as possible. Use your dictionary. effective -ive -ly -ness effect effectively effectiveness Presentation Can you list more affixes ? Presentation dis -否定 dislike 不喜欢disagree 不同意 in-/im-/ir-/il- 否定 impossible 不可能irregular 不规则illegal 非法 incorrect 错误 pre - 在……之前 preview 预习 predict 预测 mis -错误 mistake 错误misunderstand 误解 over -过度 overwork 过度工作overeat 暴食 Presentation - er 人/物 teacher 教师 worker 工人computer 电脑 - ment 行为、结果 agreement 同意movement 运动 - ship 关系、状态 friendship 友谊relationship 关系 - dom 领域、状态 freedom 自由kingdom 王国 Presentation - ous 充满 …性质 dangerous 危险的famous 著名的 - y 充满…，多… rainy 下雨的 cloudy 多云的 - less 无……的 careless 粗心的hopeless 无望的 -ize / -ise 使……；变成 realize 意识到organize 组织 Tips： 前缀变词义，后缀变词性 多个词缀可叠加 先加后缀再加前缀 Practice 03 Practice Complete the sentences with the correct forms of the words from the word cloud. 2b The customer _______ badly to the price increase. Starting over is not easy, but it is necessary in my ______. His memory technique is simple but ________. The man has lost a lot of blood. He is ______ to die of wounds if not treated at once. Our hotel is in a great _________ near the central mall. I can’t recall which notebook I wrote your email ________ in. reacted case effective likely position address Production 04 Production Production Do you know any other animals with good memories? What are they? 乌鸦 Crow 乌鸦是鸟类中的记忆大师。它们不仅能记住食物的藏匿地点，甚至还能记住人类的面孔。研究表明，乌鸦可以区分对它们友好或有威胁的人类，并将这种记忆保留多年。它们还会使用和制作工具，展现了惊人的认知和记忆能力。 章鱼 Octopus 章鱼拥有无脊椎动物中最复杂的大脑，其记忆力也令人惊叹。它们能快速学习并记住如何解决迷宫问题，甚至能记住捕捉它们的人类的样貌。章鱼还会使用工具，比如用椰子壳作为庇护所，这需要强大的空间记忆和规划能力。 Production 黑猩猩 Chimpanzee 黑猩猩拥有优秀长期记忆，能记住同伴身份、食物分布位置，还可以记住复杂符号，拥有很强情景记忆能力。 Production 鹦鹉 Parrot 鹦鹉拥有优秀听觉记忆，长久记住声音、语言；能识别同伴与主人，拥有持久的识别记忆。 Production Complete the passage with the correct forms of the phrases in the box. Which animal impressed you the most? 2c go through run out happen to keep in mind Research shows that many animals have good long‑term memories. They _____________ where food can be found and where it is safe. For example, when squirrels _______ of food, they go straight to the place where they hid nuts. Every autumn, wild geese fly thousands of kilometres south for the winter. Humans do not know for sure what ____________ their minds during the journey, but wild geese seldom get lost. A similar situation ___________ dolphins. They can recognize voices of other dolphins—even when they have not met each other for a long time. keep in mind run out goes through happens to Language points 05 1、effective adj. 有效的 【词性】 effect n. 效果 effectiveness n. 有效 反: ineffective adj. 无效果的;不起作用的 effectively adv.有效地 【词组】 be effective in (doing)... 在......方面有效 effective measures 有效措施 have a harmful effect on... 对......有危害 come into effect 生效 Regular exercise is effective in keeping healthy.规律锻炼对保持健康很有效。 The government took effective measures to reduce pollution. Language points 2、The customer reacted/reacts badly to the price increase. (教材P38 2b) increase /ˈɪŋkriːs/ n. 增长；/ɪnˈkriːs/ v. 增加 (1) [名词] 增加；增长 With the increase in temperature, the ice in the river begins to melt. 随着温度的上升，河里的冰开始融化了。 (2) [不及物动词] 增加；增大 ①increase by ... 增长了...... ②increase to ... 增加到...... 【语境串记】 The production of iron has increased to 200 million tons. It means that the production has increased by about 25%. 铁的产量已经增加到了两亿吨。这意味着产量增长了大约25%。 (3) [及物动词] 增加；增长 ；后接名词或代词作宾语。 We need to increase productivity. 我们需要提高生产力。 Language points 3、The man has lost a lot of blood. (教材P38 2b) blood /blʌd/ n. 血 ①a drop of blood 一滴血 ②blood group/type 血型 ③give blood 献血 He lost a lot of blood during the operation. 他在手术中失血很多。 What blood group are you? = What blood type do you have? 你是什么血型? 【词形拓展】 bleed v.流血，失血 His nose is bleeding. 他的鼻子在流血。 Language points 4、He is likely to die from his wounds if not treated at once. (教材P38 2b) wound /wuːnd/ n. 伤口；创伤 v.使受伤 （1）[可数名词]伤口；创伤 多指在战场上所受的刀伤、枪伤等， 也可指精神上所受的伤害。 He was treated in hospital for leg wounds. 他因腿部受伤在医院接受了治疗。 That was a wound to his pride. 那是对他自尊心的伤害。 词形拓展 wounded adj.(身体)受伤的;负伤的 the wounded 伤员;伤兵 The wounded were taken to the hospital in time.伤员被及时送往医院。 （2）[动词]使受伤 ； 多常用于被动语态。 Many soldiers were wounded in the battle. 这场战役中有许多士兵受伤。 He had been wounded in the arm.他的手臂受过伤。 Language points 5、They can recognize voices of other dolphins. recognize (=recognise) v. 辨认出; 认可 recognition n.认出;承认 ①recognize sb / sth 认出/认可某人/某物 ②recognize ...as... 把......认作/看作...... ③recognize that / wh-从句 意识到;承认...... I recognized your voice on the phone. 我在电话里听出了你的声音。 He has been recognized as a talented singer. 他已被公认为有天赋的歌手。 He recognized that he made a mistake. 他意识到自己犯了错。 be recognized by... 被......认定 /承认 The painting is recognized by experts as a masterpiece. 这幅画被专家认定为杰作。 Language points Summary 06 Summary Key words increase;wild,blood,wound,mall,notebook, squirrel,nut,dolphin,recognize Expressions die of,at once,go through,run out,happen to,keep in mind Sentences 1.Starting over is not easy,but it is necessary in my case. 2.He is likely to die of wounds if nottreated at once. Exercises 07 Exercises 一、单项选择 1．The company ________ the price of its cars last year. A．wounded B．pardoned C．increased D．had 2．The soldier got seriously ________ in the battle (战斗) but still kept fighting for his country. A．wounded B．harmed C．divided D．reacted 3．Though the singer wore a mask, his fans could still ________ his voice on the stage. A．know B．understand C．recognize D．learn 4．From the top of the hill, we can ________ the beautiful lake. A．show B．notice C．consider D．view 5．— Your sports shoes look old. — Yes. I often run and they ________ quickly. A．wear out B．break off C．fall off D．go off Exercises 二、用括号内所给词的适当形式填空。 1. When he heard the bad news, he ________ (react) to it in a quiet way. 2. This kind of medicine is ________ (effect) for people with colds. 3. If people are not treated in time, they may ________ (death) of serious wounds. 4. He was disappointed that his best friend didn't ________ (act) to his wedding invitation for weeks. 5. The kindness of the local people during our trip made the journey truly ________ (forget). reacted effective die react unforgettable Homework 08 Homework 基础作业（所有学生） 熟记 4 组词根 + 前后缀变形（act/forget/effect/hope）， 抄写单词 + 释义 提升作业（中等及以上） 自主整理 3 组新的 “前缀 + 词根 + 后缀” 单词 （如 un- + fair + -ness → unfairness） 拓展作业（学有余力） 搜集 5 个带 -ive /-able/-ness 的课外单词，标注词根、词缀、词义 感 谢 观 看 Lavf58.29.100 Packed by Bilibili XCoder v2.0.2 $猫的记忆有多久？猫是不是根本不会想主人好问题？经常有人说猫太独立，没有感情。事实上，猫要忘记你可能需要十年更久。想知道这一点，你得先了解猫的记忆系统。有人问，猫这么小一脑袋，还有记忆系统，这必须有啊，而且还得分长期记忆和短期记忆，长期记忆远超人的预估能有16小时左右，就是觉得这也没多长，看看隔壁狗，短期记忆五分钟被训一顿还傻乐，甚至可能训到一半都忘了自己为啥被训不过猫在联想机这一块比不过狗子就是为什么狗能学会指定猫就很难有人又问，猫的长期记又有多久那是针灸用维基百科引证猫的长期记忆超过十年如果猫咪对你有感情，可能这一生都不会忘记你这是叫空间的猫咪被主人一直从小养到大但因为主人生病，他不得不被送养给其他人然而时隔两年之后的实验中，在一堆陌生人和主人的录音中，对陌生人呼唤无动于衷的他，却在听到主人呼唤时，马上竖起了耳朵寻找主人。You can对你在猫咪心中可能远比。你想象的还重要。毕竟你的一生可能不止一只猫咪，他们的一生只有你。