外研版九上《Module 6 Save our world Unit 3 Language in use》word导学案[www.edudown.net].docVIP

Module 6 Save our world Unit 3 language in use 课型：语法课 【学习目标】 1、前缀、后缀构词法： 2、能够读懂环境保护的文章并能写出有关污染问题你能采取哪些措施。 【课前准备】 1.小组朗读并检查模块词汇。 2.小组内复述unit 2课文。 【学习过程】 新知导入。 ⑴介绍：Match the underlined words with the meaning ⑵归纳：请仔细观察以上例句，回答下列问题： 哪些前缀和后缀表示“否定”意思？ 哪个后缀表示“有能力的” ________________________________________________ 哪个后缀表示“充满……的” 哪个前缀表示“再” _______________________________________________________________________________ ⑶交流：分组讨论你所发现的规律。 前缀、后缀构词法： 1.表示否定意义的前缀和后缀:?dis-?dishonest,?dislike? in- incorrect im-,??impossible,?  un-? unable,?unusual -less careless, hopeless 2.带有“有能力，适合于”的含义 :后缀??-able,?movable,?comfortable 3.表示“充满……的”:后缀?? -ful,?beautiful,?wonderful,?helpful 4.?表示“再”的含义: 前缀 re- reuse rewrite retell 2、专项练习： （1）Choose the number and do exercises using “-able,-ful,-less,im-re-un-” 1）If people like you a lot, you are________ 2）If you are always ready to help people, you are______ 3）If you write something and it isn’t very good, you should ______ it 4）If you aren’t certain about something, you are ________. 5）If something isn’t perfect, it is______ 6）If something is without any use, it is ________. （2）请在小组内或结对，进行说的训练，并结对互评或小组互评，纠正出现的错误。 1).Find more words which are composed of prefix and suffix, such as -able,-ful, -less, im-,re-,un-” as many as possible. 2). Make sentences with the words you find.（competition :say as many sentences as you can3、综合运用 a.Complete the sentences with the correct form of the words in the box 1.Cycling to school is both _________ and environmentally friendly. 2.You really need to be ________ with things bad to the environment. 3.Everybody can do a little bit to help with __________ problems 4.It is ________ to throw away the ________ shopping bags 5.Scientists are ________ about new ways to save energy b. Complete the conversation with the correct form of the phrases in the box: Mike: I hear you’re off t o the Caribbean for a long holiday! Lucky you! But aren’t you __1_____ the dangers of such long flights on the environment? Ken: Why