Unit 6 When was it invented科目English年级Grade nine主备人课 题Unit 6 When was it invented? Section B ( 1a-1e)上课人知识与技能目标crispy, salty, sour, by mistake, customer.过程与方法目标Listening and speaking情感态度与价值观目标Let the students know more about some great inventions in the world. Open the students minds and improve their creativity. 教学重点Teach the new words and expressions. Teach the students how to improve their listening skills.教学难点Listening 教 学 过 程教 师 活 动学 生 活 动. Greetings 1. Greet the students as usual.2. Review the words and expressions what we have learnt. Warming up1. Let Ss watch an interesting picture. 2. Ask some questions about them. 1. What did they eat? S1: Ice-cream. 2. What did the big dog think of the ice-cream? S2: Sweet, cool and delicious! Well, lets look at some other delicious food, please. . Talking Work on 1a: 1. Tell Ss that the words in the box describe how food can taste. Write them under the correct pictures. Some pictures have more than one word. 2. Ss work with their partners and try to write some proper words under the pictures. 3. Let some Ss read their answers. Try to remember the new words. Work on 1b 1. Let some Ss read the adjective words in the box. Make sure they all know the meaning of each word. 2. Ss discuss with their partners. Try to write the name of a different food after each word.Learn the new words together. Listening Work on 1c 1. Tell Ss the conversation is about how the potato chips were invented. The story is very interesting. 2. First, let one Ss read the sentences in 1c. Make sure they know the meaning of each sentence. 3. Play the recording for the Ss. Listen for the first time. Play the recording again and judge T or F. 4. Listen and answer the questions. (1) Who invented potato chips? (2) When were they invented? (3) What did the custom order at the restaurant? (4) What did the custom think of the potato chips George cooked at first? (5) How did George cook the potatoes then?5. Check the answers.Work on 1d1. Let Ss read the article in 1d first. Tell Ss to listen again and fill in the blanks with the right words. 2. Play the recording again for the Ss to listen and write the words. 3 Invite several Ss to present their answers. Pair work 1. Work in pairs. Make a conversation about the invention of potato chips. Use the information in 1c and 1d. 2. Ask some pairs to act out their conversations in front of the class. . Summary 1.salty的用法salty为形容词, 意为“咸的, 含盐的”, 是由“名词salt+y”构成的形容词。You put too much salt in the soup and its too salty. 你在汤里放的盐太多, 它太咸了。2.by mistake的用法by mistake意为“错误地; 无意中”, 是介词短语, 常在句中作状语。Sally deleted an important file by mistake just now. 萨莉刚才误删了一份重要的文件。3.in the end的用法(1)in the end意为“最后; 终于”, 相当于finally或at last, 在句中作状语。(2)in the end是一个独立的短语, 不与of连用, 可放在句末, 也可置于句首, 此时常用逗号与句子分开。The customer was happy in the end. 顾客最后很高兴。In the end, Wang Ping got to the village. 最后王萍到达了那个村庄。In this class we practiced listening skills. You should listen to the tapes if dont know the meaning. And you should master the new words.GreetingsWatch picturesListen to the teacher Answer questionsAsk and answer Listen to the teacherIndividual workFinish 1aPair workIndividual workPresentationReadGet the meaningsHave a discussionPair workLearn new wordsListen to the teacherReadGet the meaningsListen to the tapeFinish 1cCheck answersDo listeningIndividual workListen to the tapeAnswer questionsPresentation Check answersRead 1dListen againCheck answersPair workPracticeActing Sum up作业布置1. Listen to the tape twice after class.2. Review the phrases and sentences.3. Preview the article in 2b.教后反思记旅游经济价值的大小很大程度上取决于它们与旅游消费市场经济发达地区的距离，经济距离越长，旅游者对旅游目的地的需求越低；靠近发达地区的旅游资源，其开发价值要优于远离发达区的旅游资源。3