Unit 3 P2 Language points 课件 2025-2026学年沪教版七年级英语下册

Unit 3 Trees and us 主题范畴： 人与自然 主题群： 自然生态；环境保护 子主题： 热爱与敬畏自然，与自然和谐共生 Key question Why do we need trees? Words classification in Unit 3 2 Words classification 名词 n. human oxygen branch environment wood product stick side hole knowledge character accident translation 形容词 adj. silent convenient Words classification 动词 v. overlook create treat communicate borrow dig spread 动词 v. improve describe rise think 词形变化： convenient adj.便利的;方便的 stick n.棍 v.粘贴 silent adj.不说话的;沉默的 create v. 创造 communicate v.交流;沟通 →convenience n.方便 →sticker n.贴纸 →silence n.寂静;沉默 →creative adj.有创造力的 →communication n.交流 in reading 6 Our silent friends From the deepest forests to our towns and cities, trees are all around us. We share our world with trees. They are our silent friends, but we often overlook them. 1. share A with B 和B分享A 2.silent-silence-silently 常见搭配： 1.他沉默了一会。 He kept _______ for a while. 2. 学生们静静地听老师讲课。 The students listened to the teacher _______ _______. in silence 沉默地 silent in silence Let’s learn more so do you know What day is it today? yes, today is tree planting days Now,Our school is holding a quiz competition about trees. Are you ready? 3. To begin with, forests are a safe place for animals, insects, and plants to live. 句意: 首先，森林对于动物、昆虫和植物来说，是个安全的栖息地。 to begin with “首先；第一点” ，常用于句首，引出一系列观点、陈述或事件中的第一个，相当于 “firstly” “first of all” “at first”。 to live 修饰前面的 “a safe place”，说明这个安全的地方是供动物、昆虫和植物生存的。 【例句】 This bottle ______ ______ ______ glass. 这个瓶子是玻璃做的。 The medicine _______ ______ ______ special plants. 这种药是由特殊的植物制成的。 4. Just look around your room — a lot of the furniture is made of wood. 句意：环顾一下你的房间———很多家具是由木头制成的。 【解析】be made of 意为“由……制成”，指能从物品中看出原材料。 【拓展】be made from 意为“由……制成”，指看不出原材料。 is made of is made from 【例句】 The school provided the students ________ new books. / The school provided new books ________ the students. 学校给学生们提供了新书。 5. Trees also provide us with delicious fruit and wonderful drinks. 句意：树木还为我们提供美味的水果和绝妙的饮品。 【解析】 provide 是动词，常见短语 provide sb. with sth. / provide sth. for sb. 意为“为某人提供某物”。 with for 6. Many of the things around us, such as paper and pencils, come from trees. 句意: 我们周围的许多东西，如纸和铅笔，都来自树木。 come from “来自” ，等同于 be from。 such as “例如” ，用于列举多个事物，后直接跟名词或动名词 for example “例如” ，用于列举一个例子， 用逗号隔开，后面通常接一个完整的句子 For example, we can make tea from the leaves of the tea tree. 句意: 例如，我们可以从茶树上获得的叶子制茶。 【例句】 I always ________ ________ to space. 我总是想象去太空旅行。 7. We can’t imagine a world without them. 句意：我们无法想象一个没有它们的世界。 【解析】 imagine 作动词，意为“想象；设想”，后可直接跟名 词。imagine doing sth. 表示“想象做某事”。 imagine travalling 【例句】 Lucy wants to learn English ______ ______ ______ ______. 露西想以一种有趣的方式学习英语。 8. However, humans are not treating trees in a kind way. 句意：然而，人类没有用一种友善的方式对待树木。 【解析】 in a ... way 表示“用一种……方式”。 in an interesting way 9. However, humans are not treating trees in a kind way. 句意：然而，人类并没有善待树木。 however 副词 “然而”，起到转折的作用，通常用逗号与句子其他部分隔开。 are not treating 是现在进行时的否定形式 1. She is always busy with her work. ____, she tries to spend some time with her family every day. A. Therefore B. However C. Besides D. Moreover 即学即练 10.treat v. 以……方式；以……态度对待 一词多义： 名词： 常见搭配： 1.人类并没有善待树木。 Humans ____ ____ ________ trees in a kind way. 2. 今晚我会好好犒劳自己，吃一顿丰盛的晚餐。 I____ ____ ________ ____ a nice dinner tonight. treat oneself to sth. 犒劳自己…… are not treating will treat myself to treatment 对待，治疗 v. 招待；治疗 so do you know What day is it today? yes, today is tree planting days Now,Our school is holding a quiz competition about trees. Are you ready? Word building in Unit 3 17 可以在某些名词末尾加上-ful和-less来构成形容词。 -ful表示“充满的；有……性质的”。-less表示“没有；无”。 例如： use → useful 有用的 use → useless 无用的 harm → harmful 有害的 harm → harmless 无害的 More examples: careful; hopeful; helpful; powerful; colourful; careless; hopeless; helpless; powerless; colourless; homeless; endless helpful colourful homeless useful harmless 20 Other Words in Unit 3 21 The main purpose of industry is to create wealth. creature 生物 拓展： 工业的主要宗旨是创造财富。 create [kriˈeɪt] v. 创造 名词： 例如： 1.这家工厂每周生产 500 辆汽车。 The factory ________ 500 cars every week. 2. 这个产品行销国内外。 The _______ is sold both at home and overseas. product n. 产品；制品 produces product production n.生产；产量 produce n. 生产 常见搭配： 辨析：lend (lent) 例如： 1.昨天我向同学借了一支笔。 I ________ a pen _____ my classmate yesterday. 2. 我父亲把他的车借给我，以便我能去参加聚会。 My father ____ ___ ___ ___ so that I could go to the party. borrow v. 借；借用 borrowed from lent me his car lend sb. sth. = lend sth. to sb. 把某物借给某人 borrow sth. from... 从……借某物 It was an unfortunate accident. accident [ˈæksɪdənt] n. 意外；事故 那是一次不幸的事故。 by accident 偶然地 traffic accident 交通事故 car accident 车祸 air accident 空难 without accident 平安无事地 短语： The boy’s knowledge is out of the ordinary. 这个男孩的知识面非同一般。 character word sentence paragraph article knowledge [ˈnɒlɪdʒ] n. 知识 character [ˈkærəktə(r)] n. 文字 The book loses something in translation. 这本书在翻译的过程中丢失了些原意。 translate v. 翻译 translator n. 译者 translation [trænzˈleɪʃ(ə)n] n. 译文 拓展 Prices change according to supply and demand. 价格根据供需而变化。 accord v. 与……一致 accordingly adv. 相应地 拓展 according to 据（……所说）；按（……所报道） Practice makes perfect! silent oxygen convenient wood treat Vocabulary practice(P39) silent treat oxygen convenient wood 2 Complete the information column on the school website with the words from Exercise 1. Change the form if necessary. I. 根据汉语意思完成句子，每空一词。 1. 植物可以吸收像二氧化碳这样的温室气体，并释放氧气。 Plants can __________ ___________ ____________ __________ like carbon dioxide and release oxygen. 2. 这张桌子是由木头制成的。 This desk __________ __________ __________ wood. 3. 警察环顾四周，没有发现任何奇怪的东西。 The police _________ _________ and didn’t find anything strange. take in greenhouse gases is made of looked around 4. 我们的英语老师来自澳大利亚。 Our English teacher __________ __________ Australia. 5. 首先，我将在上课前阅读课本。 __________ __________ __________, I will read the textbook before class. 6. 我们应该停止砍伐树木。 We should stop __________ __________ trees. 7. 例如，我通过做很多练习题来学习数学。 ____________ ____________, I study math by doing lots of exercises. comes from To begin with cutting down For example Must-do: 双语报Reading 部分 背诵单词branch-treat,明天听写 Choose to do: Draw a poster about tree protection Homework $