外研（新标准）版九年级上全册Module1-12教案

Module 12 Save our world Unit 3 Language in use 教学目标 【知识目标】 1. 正确运用本模块的词汇及短语, rest, book, baggage, straight, check in 2、能够掌握主谓一致的规则及用法。 【能力目标】 能运用本模块所学的知识叙述、形容夏令营的特点，相关要求及活动。自己的旅游经历。 【情感态度目标】 能够谈论自己的一些环保措施，并劝说人们增强环保意识。 教学重难点 【教学重点】 1、能够掌握主谓一致的规则及用法。 2、能运用本模块所学的知识叙述、形容夏令营的特点，相关要求及活动。 【教学难点】 掌握英语中常用的前缀、后缀 教学过程 Step 1 Language practice Reuse means “use again”. Though pollution is heavy now, I don’t think it’s hopeless. Step 2 Make a new words. Join the parts of words in Box A with the words in Box B. You need to use some of the parts more than once. A –able -ful im- -less re- un- B care collect hope possible use usual wanted waste Step 3 Now work in groups. Play the guessing game English for Fun. English for Fun 1. full of care _____ 2. can be collected _____ 3. full of hope _____ 4. without any hope _____ 5. not possible _____ 6. not usual _____ 7. without any use _____ 8. use again _____ 9. not wanted _____ 10. making a lot of waste _____ Step 4 Learning to learn Sometimes if you know the meaning of the parts of a word, you can work out the meaning of the whole word. re + new + able; re = again, able = can be renewable = can be new again Step 5构词法 1. 合成法 将两个或两个以上独立且语义不同的单词合在一起构成新词的方法叫做合成法。合成法是一种比较灵活的构词方法，可以合成名词、形容词、副词、代词、动词等。例如：afternoon, sportsman, blackboard, sportsperson, newspaper, airplane, classmate, grandfather 等就是通过合成构词法构成的名词；kind-hearted, middle-aged, hard-working 等为合成形容词；however, maybe, himself, everyone, nothing, overlook 等也都是通过合成法构成的单词。 2. 派生法 通过在词根前面加前缀或在词根后面加后缀构成一个新词的方法叫作派生法。要通过派生法理解和记忆单词, 我们需要掌握常见的前缀和后缀及派生规律。 (1) 常见前缀 前缀 含义 例词 dis- 不 disagree, dislike en- 使……处于某种状态 enable, enrich im-, in- 不 impossible, impatient, inexpensive inter- 在……之间, 相互 international, interconnect mis- 错误地 mislead, misunderstand non- 不, 非 non-smoker, non-native re- 再, 重复 rewrite, retell un- 不 unable, unhappy, unpopular (2) 常见后缀 后缀 功能 例词 -er, -or 构成名词 teacher, worker, visitor -ian musician -ing building, painting, shopping, meaning -ist artist, scientist -ment agreement, government -ness coldness, happiness, illness -th truth, warmth -tion competition, education, information, invitation -ty activity, safety -ble, ible 构成形容词 comfortable, eatable, enjoyable, possible, probable -al environmental, international, national, traditional -ful careful, helpful, useful -ive active, expensive -less careless, helpless, homeless, useless -ly friendly, lovely, monthly, weekly -ous dangerous, famous -teen 构成数词 eighteen, fifteen, seventeen -th fifteenth, fifth, fortieth, seventh -ty forty, sixty, twenty -ly 构成副词 badly, carefull ... ...