Unit 4 Body language Learning About Language Build up your vocabulary 课件-2026-2027学年高中英语人教版选择性必修第一册

该高中英语课件聚焦构词法教学，核心知识点为转化、合成和派生三种类型。课堂导入通过词形变化实例（如express→expression）引导学生观察规律，再分模块讲解每种构词法的定义、例子及练习，构建从具体到抽象的学习支架。 其亮点在于以丰富实例（如hand的名动转化、greenhouse的合成新义、dis-前缀的否定意义）培养学生语言能力，通过对比分析提升思维品质，借助填表、填空等练习增强学习能力。学生能高效推测生词含义扩充词汇，教师可利用结构化内容提升教学效率。

Unit 4 Learning About language Build up your vocabulary Lead in express (v. 表达) → expression (n.表情) gesture (n.手势) → gestural (adj.手势的) eye + contact → eye contact（眼神交流） hand (n.手) → hand (v.递) Can you find something similar between each pair? Three types of word formation： 转化（conversion）、合成（compounding） 和派生(derivation) 1. Learn three types of word formation ：conversion, compounding and derivation and use them to build up your vocabulary. 学习三种构词法(转化、合成和派生)，并运用这些规则来扩充您的词汇量。 2.Infer the meanings of new words by using word-formation rules and enlarge vocabulary. 借助构词法推测生词含义，扩大词汇量。 Learning objectives 1. 转化(Conversion)：不改变词形，直接把一个单词由一种词性转化为另一种词性。 比如：hand n.手➡️hand v.传递 nurse n.护士➡️nurse v.护理 Activity 2 on page 40:Work out the parts of speech(词性) and meanings of the underlined words in the sentences below. 1. I rest my head on the desk to get some rest. 2. The child displayed great interest in the huge fireworks display. 3. Most students favour the plan, while their teachers are in favour of it. v.把......靠在；放置 n.表演 v.显露出；表现 n.休息 n.赞同；支持 v.赞同；偏爱 4. Jeremy witnessed the whole incident and was expected to be the key witness at the trial. 5. His lack of eye contact when talking with people shows that he lacks confidence. 6. When he noticed a slight frown on his twin sister’s face, he frowned as well. n.目击者；证人 v.目击；当场看到 v.缺乏 n.缺乏 n.皱眉 v.皱眉 2. 合成（Compounding）：把两个或多个独立的词组合成一个新词，这种新词叫合成词。比如：hand+bag ➡️handbag 特点： 由自由词素组成，如 foot + ball → football。 新词在拼写上可能是连写(handbag)、连字符(well-known)、分写(ice cream)。 意义不一定只是两个词意义的简单相加，可能产生新义，如 greenhouse 不是“绿色的房子”，而是“温室”。 构成 例词 名词 + 名词 toothbrush 牙刷，classroom 教室 形容词 + 名词 blackboard 黑板，greenhouse 温室 动词-ing + 名词 swimming pool 游泳池 名词 + 动词 sunrise 日出，heartbeat 心跳 动词 + 副词 breakdown 故障，checkout 结账处 名词+介词+名词 son-in-law女婿 常见类型1：复合名词 常见类型2：复合形容词 构成 例词 形容词 + 形容词 bittersweet 苦乐参半的，dark-blue 深蓝色的 名词 + 形容词 snow-white 雪白的，world-famous 世界著名的 副词 + 过去分词 well-known 著名的，newly-built 新建的 名词 + 过去分词 handmade 手工制作的，heartbroken 心碎的 形容词 + 现在分词 good-looking 好看的，easy-going 随和的 数词 + 名词 + 形容词 five-year-old 五岁的，ten-minute 十分钟的 数词+名词 second-hand 二手的，one-way 单程的 常见类型3：复合动词 构成 例词 名词 + 动词 brainwash 洗脑；sunbathe 日光浴 形容词 + 动词 broadcast 广播；whitewash 粉刷，掩饰 副词 + 动词 overcome 克服；underestimate 低估 介词/副词 + 名词 outrun 跑过，超过；offload 卸下 动词 + 副词 breakdown（动词短语合成）破裂；takeoff起飞 名词+名词 sightsee 观光 复合副词、代词、连词等 · 副词：everywhere 到处，anywhere 任何地方，however 然而， · 代词：somebody 某人，anyone 任何人，nothing 没有什么 · 连词：whenever 无论何时，wherever 无论哪里 把下列两组词合成一个词，并写出词性 1. sun + flower → ________ 2. well + known → ________ 3. baby + sit → ________ 4. every + where → ________ 5. hand + made → ________ 6. five + year + old → ________ n.sunflower adj.well-known v.babysit adv.everywhere adj.handmade adj.five-year-old 3.派生(Derivation)：在词根基础上加前缀或后缀构成一个新词，加前缀一般改变词义而不改变词性，加后缀一般改变词性而不改变词义。 如：like v.喜欢 ➡️dislike v.不喜欢 interact v.交流➡️interaction n.交流 常见前缀(改变词义，不改变词性)： 前缀 含义 例词 dis- 不，否定 approve v.赞成 → disapprove v.不赞成 agree v.同意 → disagree v.不同意 in-/im- 不，否定 possible adj.可能的 → impossible adj.不可能的 direct adj.直接的 → indirect adj.间接的 re- 再，重新 use v.使用 → reuse v.重复使用 act v.行动 → react v.反应 inter- 相互，之间 act v.行动 → interact v.交流，互动 national adj.国家的 → international adj.国际的 un- 不，否定 happy adj.开心的 → unhappy adj.不开心的 fair adj.公平的 → unfair adj.不公平的 常见名词后缀(改变词性，不改变词义)： 后缀 例词 -tion/-sion interact v.交流 → interaction n.交流decide v.决定 → decision n.决定 -ment develop v.发展 → development n.发展 -ness kind adj.善良的 → kindness n.善良 -er/-or work v.工作 → worker n.工人 act v.行动 → actor n.演员 常见后缀(改变词性，不改变词义)： 后缀 例词 -ful care n.小心 → careful adj.小心的 -less care n.小心 → careless adj.粗心的 -al nature n.自然 → natural adj.自然的 -ive act v.行动 → active adj.积极的 -ous danger n.危险 → dangerous adj.危险的 常见副词后缀(改变词性，不改变词义)： 后缀 例词 -ly quick adj.快的 → quickly adv.快速地 careful adj.仔细的 → carefully adv.仔细地 Fill in the table with different forms of the words. Refer to a dictionary if necessary.(P40) Noun（名词） Verb（动词） Adjective（形容词） Adverb（副词） differ vary rely interact approve embarrass difference different differently variance/variable/ variability/variation variable/various/varied variously/variably reliance/reliability reliable reliably interaction interactive interactively approval approving/approved approvingly embarrassment embarrassing/embarrassed embarrassingly When we think about nonverbal behaviour, or body language, we think about communication. When we think about communication, we think about ___________. So what is our body language _____________ to others? Social scientists have spent a lot of time looking at the effects of our body language. We make assessments and inferences from body language. And according to those judgements we ___________ one person and dislike another. So body language provides external ___________ that are influenced by internal thoughts and feelings. Scientists have found that when demonstrating interaction approve of clues Read the passage about body language. Fill in the blanks with the correct forms of the words and phrases in the box.(P40 活动3) by contrast by comparison break down interaction demonstrate approve of clue gesture we feel proud and powerful, we usually straighten up to make ourselves bigger. ___________, when we feel powerless, we tend to slump, making ourselves smaller. It is obvious that our minds can influence our bodies. But is it also true that our bodies can affect our minds? Scientific experiments show that if we make powerful __________ long enough, we may actually feel more powerful. People who remember to use positive body language are more likely to feel positive ___________, so some scientists suggest that we use our bodies to try power posing to help ___________ our feelings of shyness and powerlessness. By contrast gestures by comparison break down by contrast by comparison break down interaction demonstrate approve of clue gesture Thank you! $