八年级英语下册 Chapter 3 A dangerous servant Reading More教案 牛津沈阳版-牛津沈阳版初中八年级下册英语教案.doc

Chapter 3 A dangerous servant Reading MoreTeaching aims: Moral aim Try to know more about electricity Knowledge aim: New words and expressions Ability aim: Develop the four abilities : listening, speaking, reading and writingMain points: ReadingCrux: LanguageTeaching method: Audio-lingual methodTeaching tools: Tape recorder, TVLearning method: Encourage the students to take part in the class activitiesReading1.Introduce the electric appliances shown on P30 . They are radio, mobile phone, rice cooker , TV, torch, fan, vacuum cleaner, and iron. Let Ss match the things with the four kinds of energy. (heat energy , light energy sound energy, movement energy)2.Introduce the story A dangerous servant to Ss, Let them read quickly and find out what the story is about.The answer is electricity.3.Learn vocabulary in the story.at last (adv) -after a long timeHe waited for the bus for an hour. At last, it arrived.bury (v.) put something or someone in the ground.When people die, they are usually buried.cables (n.)thick ropes of wire which electricity passes throughTelegrams are sent to other countries by means of cables or by satellite.connect (v.) join togetherThe computer is connected to the printer by a wire. connectto electricity (n.)power that can make heat, sound and light, and move thingsThe power station supplies electricity to this area.energy (n.) power that makes things work or makes people do thingsYou need a lot of energy to play squash.explanation (n,) words that make sth. clear or say what sth means He had no explanation for why he was late. The verb form of it is explain.forms (n.) shapes or kinds Water has three forms-liquid, gas and solid.grin (n.)a very wide smile There was a grin on his face when he saw his mother.in a way partlyI agree with him in a way .invisible (adj.)cannot be seen Air is invisible.meter (n.) a machine that tells you the amount usedThe meter in the taxi will tell you how much you have to paymonthly (adv.) done or happening every monthbe careful with We must be careful with fire.People usually pay their rent monthly.Similar to monthly, there is daily, weekly and yearly.4.Listen to the story and repeat after the tape .Ask several Ss to read the story.5.Answer some questions about the story.a) What did the girl buy?Batteries and sweets.b) Who is looking foolish? Benny.c) Who or what is the servant in the title?Electricity.d) Wry is the servant in the title dangerous?If not used carefully, electricity can hurt us.6. Do the exercises on p-33. Part D and .E.7. Extra exercises a) 翻译词组:1. 小心,当心 2. 最后 3. 看起来愚蠢 4. 声能 5. 把变成 6. 在某种程度上 7. 把和连在一起 8. 动能 9. 一袋糖果 10. 想出 11.给某人买某物 12. 电站b) 完成句子1. 电比水危险得多2. 电在电线中流动.3. 你知道电从哪来吗?4. 我们每月的一次电话费.5. 仪表可以测量出你使用的电量.c) 根据句意用括号中所给单词的适当形式填空.1. Please give me an of why you are always late for school.(explain)2. We pay the telephone bill . (month)3. Tom offered me a cigarette. I refused . (polite)4. Air is , but we can feel it when it moves. (visible)5. This thick wire is to my computer. (connect)Homework Revise the vocabulary and try to recite the story. ListeningUnderstanding the main points of a dialogue1. Teaching orders: There is a problem with the electricity in Bennys flat. Sometimes, all the electricity goes off. An electrician has come to deal with this problem. Listen to the conversation between the electrician and Bennys mother. They are trying to find out which things were switched on or off when the electricity stopped. Circle OFF or ON next to the objects.2. Teaching aims: (1) Make sure students understand the situation. (2)Tell students that they will not receive the information in the same order as that given for the appliances.3. Teaching steps: (1) Talk about something that use electricity as power. (2) Listen to the tape recorder. Let students know the main about the dialogue. (3) Divide the dialogue into 6 parts. Listen to the dialogue parts by parts. (4) Finish the ON or OFF questions.(Answers: 1.ON 2. OFF 3. OFF 4. ON 5.OFF 6. ON 7. ON 8. ON 9. ON )4.Presentation: (1) Present some main points in the dialogue. something is wrong with do any washing at that time Can you remember what was on? have the air conditioner on seem to be start by checking the plug (2) Encourage students to use the phrases to make similar dialogue.4. Practice: (1) Make similar dialogues Home work : Practice to listen to the dialogue by their own.Language A saying you are able or unable to do things1 tell the students that can and cant are words we use to show our abilities. Can has the same meaning as be + able to (e.g. superman can fly in the sky. superman is able to fly in the sky.)2 explain that cant is the short form of cannot. The words can and not should always be connected together.3 explain that the past tense for the word can is could. After could, the verb should remain in its stem (e.g. I can sleep on the floor (simple past tense), but not I could slept on the floor4 ask students questions using can, e.g.Can you come to class earlier?Can you fly?B Telling people what to do or what not do1 the past tense for mast is had to. Must is similar to have to in meaning but is a bit stronger. Must usually implies punishment (rules or regulations) or danger (warnings) if not obeyed. Sometimes we use it if the result of the action is very serious (e.g. you must consider this problem carefully before you make your decision.).C asking for and giving permission Explain to the students that to ask for and give permission both can and may are used.However, may is more polite than can and is preferable to use.Do more exercise?Eat moreEat so many sweetsEat so muchMake friends with more peopleSpend so muchStay up so lateWork harderSpeaking1. Teaching aims: (1) Learn and practice to sayln (2) Try to use can, cannot, must, must not, may, may not. (3) Talking about home safety.2. Teaching steps: (1) Say some words, sentences, dialogues containing landn A1 Say these words: 1. a line a light a lock a lot a look 2. a nine a night a knock a knot a note 3. line nine light night lock knock lot knot A2 Say these sentences: 1. A knock on the door, a light in the note on the floor. 2. Nine knots on nine lines. 3. Lucky Lily lives in London. Nelly is her neighbour A3 Say this dialogue. Danny No news from Norman.Helen No letter from Linda.Danny Ill give Norman a call at nine.Helen And Ill write a letter to Linda.(2) Speak up: Talking about home safety.Johnnys father believes in safety first at home. Work in pairs to make corrections. S1 is Johnny. S2 is Dad. S1 asks questions using the words in the pictures below. S2 uses the words in the box on the right to answer S1s questions. Follow the example.2. Sum up: Encourage the students to say the words and sentences correctly, and talk about the safety problems freely.Using English 一. Finding books in a library1. Reading Read the dialogue by themselves.2. Answer some questions(1) How do they divide the books in the library?fiction booksnon-fiction books(2) How do they arrange the books?Fiction books in alphabetical order by the authors names.Non-fiction books by subject.(3）How can we find a book in the library?We must know one of the following: The title of the book. The topic of the book. The authors name.(3) What are catalogues?They are lists of topics titles and authors arranged in alphabetical order.二. The answer to A1.F 2.F 3.NF 4.NF 5.F 6.F 7.NF 8.NF三. The answer to B.3 5 7 1 6 4 2 8 四.The answer to C。1.7007992.2002993.6006994.8008995.9000006.1001997.4004998.5005999.00009910.70079911.60069912.90099913.30039914.000099五.The answer to D.1.The topic of the book.2.The title of the book.3.The authers name Writing and More practiceMoral aims: Let students know how important the electricity is.Teaching tools: tape, flash cardsTeaching steps: 1. Tell the students to read the instructions for Exercise A and to look closely at the picture.2. Ask the students to work out the office rules and to decide which rules belong to category a and which to category b.3. Discuss what would happen if there was no electricity in groups.4. Choose a student to talk about it.5. Show the pictures and work in pairs and take turns to say what we must and mustnt do to save electricity.6. Read the passage below and fill in the blanks using words from the box. Remember to use the correct form of the simple present tense.7. Check the answer.8. Homework: Write a passage using the words below. heat light chop work milk cool bring warm drive churn