Unit6 Crossing Cultures.Section B(2a-2d) 导学案2025-2026学年人教版八年级英语下册

Unit6 Crossing Cultures.Section B(2a-2d) 导学案 一、学习目标 1. 掌握以un-/in-/im-为前缀的形容词否定形式，归纳否定前缀规则。 1. 区分-ed/-ing形容词的用法差异，能在语境中正确使用。 1. 能完成词汇填空、对话选词和语篇练习，掌握跨文化礼仪话题词汇的语境搭配。 1. 能在跨文化礼仪语境中得体运用词汇，提升语言表达的准确性。 二、课前预习 1. 词汇&短语预习（英汉互译） 英文单词/短语 中文释义 formal ____________ polite ____________ proper ____________ patient ____________ confused / confusing ____________ excited / exciting ____________ embarrassed / embarrassing ____________ manner ____________ challenge ____________ 2. 背景预热 你知道哪些礼仪相关的形容词？写3个： ① ____________ ② ____________ ③ ____________ 三、课堂学习任务 任务1：否定前缀大挑战（2a） 用un-或in-/im-写出下列形容词的否定形式，并分类： safe ______ formal ______ proper ______ possible ______ friendly ______ direct ______ tidy ______ healthy ______ perfect ______ important ______ common ______ correct ______ 1. un-：____________________________________________________ 1. in-/im-：____________________________________________________ 任务2：形容词形式填空（2b） 用括号内单词的正确形式完成句子： 1. Saying “hi” is an ______ way to greet others. (formal) 2. It is ______ to point at people in many countries. (polite) 3. The host is certainly ______ when you enjoy yourself at their party. (happy) 4. People usually dress in formal clothes when visiting some public places such as concert halls. It is ______ to wear shorts, short skirts, or jeans there. (proper) 5. In some cultures, it is OK to be late sometimes. People are ______ even if their meetings don’t start on time. (patient) 任务3：形容词用法辨析（2c） 圈出正确的单词，完成对话： 1. A: Did you understand the rules? I found them confused / confusing. B: I was confused / confusing at first too, but Mr Thompson explained them to me. 2. A: Isn’t it excited / exciting that James will marry Jennifer next month? B: Yes! I’m so excited / exciting, and I can’t wait to congratulate them. 3. A: Sally was a little embarrassed / embarrassing just now. She wished her friend happy birthday on the wrong date. B: Oh no! That can be embarrassed / embarrassing. 思考：-ed和-ing形容词的用法区别是什么？ 任务4：语篇填空练习（2d） 用方框中单词的正确形式完成短文： normal, last, manner, proper, challenge In many Asian countries, it is ______ for people to eat with chopsticks. There are many rules and traditions about how to use chopsticks ______. Firstly, don’t stick your chopsticks into food. That is very bad ______. Secondly, don’t pull dishes close to you with your chopsticks. Thirdly, don’t point at others with your chopsticks or wave them about when you talk. ______, hold your chopsticks correctly. Using chopsticks looks easy but it can actually be a little ______. The key thing is to keep trying. With plenty of practice, anyone can learn to use chopsticks well! 四、课堂小结 1. 核心词汇&用法回顾 1. 否定前缀：un- / in-/im- 构成形容词否定形式 1. 形容词用法： -ed：修饰人，表达人的感受（如confused, excited, embarrassed） -ing：修饰事物/情境，表达事物的性质（如confusing, exciting, embarrassing） 1. 礼仪话题词汇：formal, polite, proper, patient, manner, challenge 2. 易错点提醒 1. 否定前缀易混词：如impolite（礼貌的否定，不用unpolite） 1. -ed/-ing形容词用法区分，注意语境中修饰的对象是人还是事物 五、课后作业 1. 基础：抄写并背诵本节课核心词汇与用法规则。 2. 提升：用本节课的词汇写一段关于礼仪的短文（不少于5句话）。 3. 拓展：用-ed/-ing形容词各造2个句子，描述你在跨文化场景中的感受。 参考答案 任务1（2a） 1. un-: unsafe, unfriendly, untidy, unhealthy, unimportant, uncommon 1. in-/im-: informal, improper, impossible, indirect, imperfect, incorrect 任务2（2b） 1. informal 2. impolite 3. happy 4. improper 5. patient 任务3（2c） 1. confusing; confused 2. exciting; excited 3. embarrassed; embarrassing 任务4（2d） In many Asian countries, it is normal for people to eat with chopsticks. There are many rules and traditions about how to use chopsticks properly. Firstly, don’t stick your chopsticks into food. That is very bad manners. Secondly, don’t pull dishes close to you with your chopsticks. Thirdly, don’t point at others with your chopsticks or wave them about when you talk. Lastly, hold your chopsticks correctly. Using chopsticks looks easy but it can actually be a little challenging. The key thing is to keep trying. With plenty of practice, anyone can learn to use chopsticks well! 学科网（北京）股份有限公司 $