Module 12 Unit 3 Language in use 课件2025-2026学年外研版（2012）英语九年级上册

Module 12 Save our world Unit 3 Language in use 新课导入 What should we do to protect the environment? Free Talk 2 Now work in groups. Play the guessing game English for Fun. 1 full of care __________ 2 can be collected __________ 3 full of hope __________ 4 without any hope _________ careful English for Fun collectable hopeful hopeless 5 not possible __________ 6 not usual __________ 7 without any use __________ 8 use again __________ 9 not wanted __________ 10 making a lot of waste __________ useless impossible wasteful unusual reuse unwanted 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 Summarize the rules of prefix and suffix word-formation. 派生法是英语主要的构词法。这方法是借前缀或后缀产生出派生词，主要有名词、形容词和动词三种。前缀以否定前缀un-、in-、im-、il-、ir-、non-、dis-、mis-等为主，使单词延伸出来的派生词变成其反义词。例如：injustice(不公平的)、unhappy(不高兴的)、impossible(不可能的)等。 (1)名词派生词 balance(平衡)→imbalance(不平衡)；pleasure(高兴)→displeasure(不高兴)； management(管理)→ mismanagement(管理不善)； efficiency(功效)→inefficiency(无效率)等。 6 Summarize the rules of prefix and suffix word-formation. (2)形容词派生词 accurate(精准，正确)→inaccurate(不正确)； patient(能忍耐的)→impatient(无法忍耐的)； regular(有规矩的)→ irregular(不规矩的)； legal(合法的)→illegal(违法的)等。 (3)动词派生词 agree(赞同)→disagree(不赞同)；judge(判断)→misjudge(对……判断错误)； treat(款待)→mistreat(虐待)等。 7 新课讲解 4 Complete the sentences with the correct form of the words in Activity 3. She was hopeful that her new job would make her more successful. 1. The factory ________ the river, and the fish died. 2．We often walk in the countryside. It is a(n) ________ activity for us. 3．Do not use so much water. It is very________． 4．To keep the flowers growing, you need to ________ them once a day. polluted usual wasteful water 新课讲解 5 Complete the sentences. A lunchbox is a box that you keep your lunch in. 1. A __________ is a card that you write on one side of and send to someone by post. 2. A __________ is a room where you have classes at school. 3. A __________ is a book that has one or more stories for children. 4. A __________ is a black board that is used at school for writing on with chalk. postcard classroom storybook blackboard 合成词构词法 Grammar 合成词构词法就是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。 Task 2: Presentation 1.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。 （1）合成名词： sun + light = sunlight(阳光) black + board = blackboard(黑板) （2）合成形容词： well + known = well-known(著名的) hard + working = hard-working(勤奋的) Complete the sentences. A lunchbox is a box that you keep your lunch in. 1. Α _________ is a card that you write on one side of and send to someone by post. 2. A __________ is a room where you have classes at school. З. А __________ is a book that has one or more stories for children. 4. A ___________ is a black board that is used at school for writing on with chalk. postcard classroom storybook blackboard 12 Work in pairs. Look at the pictures and answer the questions. 1. What kinds of things can be recycled? 2. How can these things be reused? 3. How does this help the environment? 4. Have you ever recycled or used things that can be recycled? How? 13 前缀 含义 例词 dis- 不 disagree, dislike en- 使……处于某种状态 enable, enrich im-, in- 不 impossible , 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 （1）常见前缀： （2）常见后缀： 后缀 功能 例词 -er, -or 构成名词 teacher, worker -ian musician -ing building, painting -ist artist, scientist -ment 构成名词 agreement, government -ness happiness, illness -th truth, warmth -tion competition, education -ty activity, safety Act out the dialogue in pairs □ Listen and check (√) the true sentences. 1. It is OK to throw used things away. Looking after them takes a lot of time. 2. Do not throw away things made of glass, plastic and paper, but recycle them when possible. 3. Take a bag when you go shopping. 4. Producing electricity and using oil will not cause pollution. 5. Turn off lights when you do not need them. 6. Ride a bike or walk, and do not often drive your car. □ □ □ □ □ 17 Complete the sentences with the correct form of the words in Activity 3. She was hopeful that her new job would make her more successful. The factory ________ the river, and the fish died. 2. We often walk in the countryside. It is a(n) ________ activity for us. 3. Do not use so much water. It is very _________. 4. To keep the flowers growing, you need to _______ them once a day. polluted usual wasteful water 4 Complete the sentences. A lunchbox is a box that you keep your lunch in. A _________ is a card that you write on one side of and send to someone by post. 2. A _________ is a room where you have classes at school. 3. A __________ is a book that has one or more stories for children. 4. A __________ is a black board that is used at school for writing on with chalk. postcard classroom storybook blackboard 5 Module task: Discussing what you can do about pollution 10. Work in groups. Decide what kind of pollution you want to talk about. Choose a subject that you care about the most. It could be water pollution, air pollution, etc. Find out more information about your subject. Look it up on a website or in a book. 11. Discuss your subject. 12. Present your group’s ideas to the whole class. ● Take turns to say what you think about the problem and what can be done. ● Listen to what others say. If you agree with what they have said, say “I agree”, “That’s true” or “That’s a good point”; if you do not agree with what someone says, say “I’m sorry, but I don’t agree. I think that…” 2. How can these things be reused? Recycled paper can be used for notebooks, tickets or writing paper. Old clothes can be … 3. How does this help the environment? It can save energy… 4. Have you ever recycled or used things that can be recycled? How? … Complete the conversation with the correct form of the expressions in the box. be good for throw away turn off worry about Mike: I hear you are off to the Caribbean for a holiday! Lucky you! But aren’t you (1) ______________ the pollution that such long plane journey may cause for the environment? Ken: I know, but what can I do about it? I’ve already tried my best to protect the environment. I recycle. worried about 7 null 60211.1 $