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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 words and finish Suzy’s DIY story. Step 5 Production 1.Read and explore Read the survey and answer the three questions Q: How popular are DIY activities among the surveyed people What popular DIY activities Why do they enjoy DIY activities 2. Think and talk Group work: Write about your own DIY story using the prefixes un-, in-, im-. At first, I________________________________ But now ________________________________ I enjoy DIY because_______________________ I think__________________________________ Summarize and assess Step 6 Homework For all: 1.Review the prefixes and adjectives learned in this lesson, master the rules and use them in your study. 2.Finish your own DIY story with the adjectives starting with un- , in-, and im- and share it with others. For some: Look for other prefixes with the meaning of “not”.学习任务单
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)
学习目标
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。
课前学习任务
1. 复习前三个单元 word power中前缀使用规则，了解构词法。 2. 复习Unit4 Reading中Andrew的DIY故事。 3. 预习Unit4 Hands-on fun (Word power)的内容。
课上学习任务
【学习任务一】 Students talk about their ideas about DIY and retell Andrew’s DIY story. 【学习任务二】 Students observe the adjectives starting with un-, in-, im- and try to work out the rules. 【学习任务三】 Students use the rules better by completing different kinds of exercises. (words-sentences-passages) 【学习任务四】 Students get new opinions about DIY from Suzy’s DIY story and a survey. 【学习任务五】 Students work in groups and write about their own DIY stories using prefixes as much as possible. 【学习任务六】 Students share their own DIY stories with partners and summarize the rules.
推荐的学习资源
1.《英语》译林版八年级上册Unit4配套视频。 2. 21世纪学生英文报DIY话题相关文章。

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