Unit 5 Lesson 3 教学设计 2025-2026学年冀教版八年级英语下册

Lesson 3 Computers and the internet教学设计 〖教材〗冀教版八年级下册 〖课题〗Unit5Lesson 3 Computers and the internet 〖课型〗语法课 一、学情分析 八年级学生经过上学期的学习，已有扎实的英语基础，但水平参差不齐。部分学生基础知识掌握有漏洞，还有部分学生读写能力较弱；部分学生学习习惯较差，缺乏主动性。需根据学生差异，采取分层教学策略，兼顾整体与个体需求。这样可以更好地适应新学期八年级下册的学习。 二、教材分析 本单元围绕“伟大发明”主题，整合语言知识与文化内涵。教材通过发明故事、产品介绍等文本，呈现一般过去时被动语态（如"was invented"）和情态动词表推测（如"must have been"）等语法点，帮助学生掌握科技类话题的表达逻辑。 内容设计注重实用性与思维培养：阅读材料涵盖历史发明（如电话、互联网）和现代创新（如环保科技），培养学生信息提取与归纳能力；口语活动通过“发明展示”“问题解决”等任务，提升语言运用与批判性思维；写作环节引导学生撰写发明介绍或创意设计，强化书面表达能力。 教学中需结合跨学科元素，如科学史、环保理念，激发学生创新意识。通过对比中外发明案例，渗透文化自信教育。同时关注不同层次学生，设计分层任务，确保全员参与。本单元不仅提升语言技能，更培养学生科学素养与社会责任感。 三、教学目标 1. Students will be able to understand and use vocabulary related to computers and the internet (e.g., keyboard, mouse, screen, website, email, download, upload, search engine). 2. Students will be able to talk about how to use computers and the internet for different purposes (e.g., study, communication, entertainment). 3. Students will be able to understand the advantages and disadvantages of using the internet. 4. Students will develop critical thinking skills by discussing the impact of the internet on daily life. 四、教学重点难点 教学重点 Key Points:Structure and usage of passive voice in simple present tense. 教学难点 Difficult Points:Correctly using passive voice to describe rules and understanding the difference between active and passive voice.am/is/are + past participle. 五、教学方法 Task-based reading 六、教学媒体运用/教具准备 Multimedia equipment, flashcards, worksheet 七、教学过程 ●Step1 Warming up （2min） Activity:"Guess the Object" Show students pictures of computer parts (keyboard, mouse, screen, printer) and internet-related items (email, website, search engine) one by one. Ask students to guess what they are. Encourage them to use English to describe the objects. For example, "It's used to type words." (keyboard) or "It's a tool to find information online." (search engine). This activity activates prior knowledge and introduces new vocabulary. ●Step2 Pre-reading （8mins） Present new words with flashcards: -Keyboard: A set of keys used to type information into a computer. -Mouse: A small device used to control the cursor on a computer screen. -Screen: The flat surface on a computer where information is displayed. -Website: A collection of web pages on the internet. -Email: Electronic mail sent over the internet. -Download: To save a file from the internet to a computer. -Upload: To send a file from a computer to the internet. -Search engine: A tool that helps find information on the internet (e.g., Google, Baidu). 2. Practice pronunciation by repeating after the teacher. Use choral repetition and individual checks to ensure correct pronunciation. 3. ●Step 3 Reading (10mins) Skimming:Students read the passage and answer: What is the passage mainly about? Detailed Reading:Analyze key sentences and discuss the answer. Read and fill in the blanks. ●Step 4Post reading (5mins) Read and finish the conversation ●Step 5 Grammar (7mins) - Show two sentences on the board: 1. Teachers require students to wear uniforms. (Active) 2. Students are required to wear uniforms. (Passive) - Guide students to find the structure of passive voice: Subject + am/is/are + past participle. - Explain: Passive voice is used when the focus is on the action receiver rather than the doer. - Give more examples related to school rules: · Mobile phones are not allowed in class. · Homework is required to be submitted on time. Step6 Practice （5min） Convert active sentences to passive voice (Worksheet) 1. Teachers make rules. → Rules ______ (make) by teachers. 2. We follow school rules. → School rules ______ (follow) by us. 3. They prohibit smoking here. → Smoking ______ (prohibit) here. 4.In our school, uniforms ______ (wear) every day. 5.Classrooms ______ (clean) by students every afternoon. 6.Running in the hallway ______ (not allow). Check answers together and explain common mistakes. Step 7 Summary （5min） Summary:Review the key vocabulary and phrases. Ask students to summarize what they learned about using computers and the internet. Homework:1. Write a short paragraph (50-80 words) about how you use the internet. Include at least three activities (e.g., "I use the internet to search for information, download movies, and chat with my cousins."). 2. Find three new words related to computers or the internet and write their definitions. 八、板书设计 Passive Voice (Simple Present): S + am/is/are + past participle (+ by...) Examples: Uniforms are worn. Mobile phones are not allowed. 九、课后反思 学科网（北京）股份有限公司 $