Unit 4 Hands-on fun (Word power)学习任务单+课后练习+教学设计2025-2026学年八年级上册英语（译林版）

作业练习 课程基本信息 学科 英语 年级 八年级 学期 秋季 课题 8A Unit 4 Hands-on fun (Word power) 作业练习 1.复习否定前缀un-/in-/im-的用法,给以下的词加上适当的前缀变成反义词： safe/common/popular/active/mobile/pure/welcome/expensive/comfortable/perfect 2.Review the prefixes and adjectives learned in this lesson, master the rules and use them in your study. 3.Finish your own DIY story with the adjectives starting with un- , in-, and im- and share it with others. 4. 找出其他表示“not”的否定前缀并给出例子。 练习答案 unsafe uncommon unpopular inactive immobile impure unwelcome inexpensive uncomfortable imperfect 略 例： My DIY story Last weekend, my friend Lisa and I did some DIY jobs. I tried to fix a chair, but it was unstable and fell apart. Lisa painted a picture, but it was incomplete because she ran out of paint. Next time, we’ll plan better and make sure nothing is incorrect. Then it will be impossible for us to fail! 4. dis-: dishonest il-: illegal ir-: irregular mis-: misunderstand教学设计 课程基本信息 学科 英语 年级 八年级 学期 秋季 课题 8A Unit 4 Hands-on fun (Word power) 教学目标 通过本课时的学习，学生能够 1. 获取和梳理形容词否定前缀un-, in-, im-的基本特征，理解其表否定的语义功能，归纳其构词规则。 2. 通过不同形式的练习，巩固形容词否定前缀的使用方法，内化构词方法。 3. 在真实语境中运用含有否定前缀的形容词描写自己的DIY经历，进一步提升语言运用能力。 教学内容 教学重点： 1. 获取和梳理形容词否定前缀un-, in-, im-的基本特征，理解其表否定的语义功能，归纳其构词规则。 2. 通过不同形式的练习，巩固形容词否定前缀的使用方法，内化构词方法。 教学难点： 1.在真实语境中运用含有否定前缀的形容词描写自己的DIY经历，进一步提升语言运用能力。 2. 学生能够联系自身，在日常生活中感受DIY的魅力，享受动手做的乐趣。 教学过程 Step 1 Lead-in Present some pictures of DIY and have a free talk with students. Q: Have you ever tried DIY before Would you like to try it Do you like DIY What do you think of DIY A: DIY can make common things uncommon and unusual. Step 2 Revision 1. Review and answer Look at some pictures and have a revision about Andrew’s DIY story in the Reading period of this unit. 2. Ask and answer Q:What do you think of Andrew’s DIY jobs A: They are not correct/incorrect. not comfortable=uncomfortable not lucky=unlucky not possible=impossible Step 3 Presentation 1. Look and find Look at more examples and try to find the rule. 2. Guess and say Give more examples with the prefixes un-/in-/im- and enable students to find when to use the three prefixes. un- + most adj. im- + adj. starting with /b//p//m/ in- + some special adj. Attention: pleasant — unpleasant popular — unpopular Step 4 Practice 1. Finish exercise A on P56 Tips: Use a dictionary when you are not sure of the prefix. Learn the words with the prefix in- by heart. Application (1)Add the correct prefixes to the words and fill in the blanks. (2)Add the correct prefixes to some of the adjectives so that the sentences make sense. 3. Finish exercise B on P56 4. Application Add the correct prefixes to the word ... ...