英语：Chapter-3-《A-dangerous-servant》课件(1)(牛津沈阳版八七年级下)

初二英语Chapter Three:A dangerous servant上海牛津版【本讲教育信息】一.教学内容：Chapter Three:A dangerous servant二.详尽过程情态动词用法情态动词有can（could）, may（might）, must, have to, shall（should）, will （would）,dare（dared）, need（needed）, ought to等。

情态动词无人称和数的变化；不能单独使用，必须与其后的动词原形构成谓语（一）can, could1）表示能力（体力、知识、技能）。

Can you lift this heavy box?（体力）Mary can speak three languages.（知识）Can you skate?（技能）此时可用be able to代替。

can只有大凡现在时和大凡过去式；而be able to 则有更多的时态。

I’ll not be able to come this afternoon.当表示“经过努力才得以做胜利某事”时应用be able to，不能用can。

如：He was able to go to the party yesterday evening in spite of the heavy rain.2）表示请求和允许。

—Can I go now?—Yes, you can. / No, you can’t.此时可与may互换。

在疑问句中还可用could, might代替，不是过去式，只是语气更婉转，不能用于肯定句和答语中。

—Could I come to see you tomorrow?—Yes, you can.（No, I’m afraid not.）3）表示客观可能性（客观原因形成的能力）。

They’ve changed the timetable, so we can go by bus instead.This hall can hold 500 people at least.4）表示推测（惊异、怀疑、不相信的态度），用于疑问句、否定句和感叹句中。

【关键字】精品Chapter 3 A dangerous servantReadingTitle Chapter 3 A dangerous servant Reading page 29-33Grade EightTeaching Contents The reading section in Chapter 3 in Oxford English Book 8B. It mainly trains the students’ ability in reading and develops the students’ ability in talking about home safety with its focus on using electricity correctlyLearners The students in Grade Eight are in a kind of transformative period. Considering in the intelligent aspect, though their abstract thinking starts to develop, yet imaginal thinking still plays a leading role in their thinking process. Additionally, their cognitive capability is incomplete. After one and a half school years learning and practising, they are now used to the English study in junior middle school but their childish curiosity which can be transformed into intellectual curiosity wi th the teacher’s direction and edification and be used to fulfill their learning task well still exists.Teaching Aims: Emo tion Aims1. Arouse the students’ stronger awareness of participation and passion for using their learned Englishlanguage knowledge and skill2. Be more cooper ative in team work and respect others’ ideas.3. Get them to know that a language is a key to open a door to a wider worldAbility Aims1. Enable the students to talk about the differences between winter and summer.2. Improve their listening, speaking, reading and writing abilities.3. Improve their ability in cooperation in team work.4. Improve their ability in thinking and solving problems.Knowledge Aims1 Master the important words and expressions: cable, wire, power station, bubble, flow, metre, bury, connect2 Know how to use electricity correctly and safely.3 Mak e good preparatio ns for the rest sections in this chapter.Teaching Emphasis 1 Practise different reading skills.2 Grasp the use of the key language items.TeachingDifficultiesDiscussion about the danger in using electricity thoughtlessly.TeachingAidMulti-mediaTeaching Methods 1 Natural approach2 Situation approach3 Task-based language teaching (These four tasks go from the easy to the difficult )4 Communicative approachLearning strategies: 1 Learning by doing method2 Cooperative learning method3 Indirect learning method4 Whole learning methodTeaching proceduresTeacher Students PurposePre-task 1 Warming Upl Greeting.l A song with the picture of arecorder which stops all in asudden.l Show them the picture of aplug off the power site.2Leading inl Why did the music stop?l What makes the recorderwork,fire,water or electricity?l Check the answer.1.Greeting.2.Listen to and followthe song.3. Give the answer.1.Warming up.2. Make a warm, happy and easyatmosphere3. Lead in the new topic for this lesson4. Shift into the following teachingcontents.While-task 1 Presentation.A Brain storm.l Do you want to go onlistening to the music?OK, let’s make electricityby ourselves.Do you know how?l Ask the students to choosethe materials in forms ofpictures for makingelectricity.B Learn the new words.cable, wire, power station,bubble, flow, metre, bury,connectC To celebrate, we listen to therest of the song.D Ask three students what otherthings uses electricity to workin our homes. Then show themmy answers in pictures.Match the pictures withdifferent kinds of energy.(Do with Part A on page 30)E Ask the students:We can buy different kinds ofelectrical appliance in theshops, but ca n we also buy1.Observe (Pictures)Answer questionswith the learnedEnglish languageskills and knowledgeand backgroundknowledge.2.Repeat the words andtry to rememberthem.3.Listen to the rest ofthe song cheerfully.4. Answer the teacher’squestions.And matchthe words with thepictures.5. Think and answerthe question.1.Get more knowledge about makingeletricity.2. Make learning more interesting for thestudents.3. Remember the words with the help ofthe pictures and adjust theirpronunciation and get rid of theobstacle for the followi ng steps whichthey will need necessarily.4. Make them more interested indealing with problems on our own.5. Make a natural and smooth shift to thereading step.6. Encourage the active and voluntarycommunicating.7. Master some difficult language items.8. Improve the classroom teachingeffectivenesselectricity there?2 ListeningA. Get the students to listencarefully to the tape with thefollowing questions.Did the girl buy electricity?B. Check the answer. 1. Listen to the tapewith the questions.2. Answer thequestions.3. Make answers tothe questionsindividually quickly.1. Train their ability in listening.2.Train the ability in guessingintelligently3. Exaine and consolidate the learningby using it.4. Encourage the active and voluntarycommunicating.5.Intensive reading skills.3 ReadingA Skip-readingl Read the whole article andfill in the form.l Check th e answers.B Scan-readingAnswer the questions which need more understanding of the whole article.a) What did Daisy buy?b) Who is looking foolish?c) Who or what is the servant inthe title? 1. Read the articlequickly and fill inthe forms accordingto the article.2. Answer thequestions.1.Train the students’ abililty in skipreading.2.Train the students’ ability in scanreading.4 DiscussionThe danger of using electricity carelessly at home. 1.Think carefully.2. Group discussion.3.Report.1.Examine their readin g result.2. Train the ability in asking andanswering in English.3. Get them to set up self-confidence inlanguage study and improve theirspeaking abilities by reading.4. Get deeper understanding of thereading material.Post- task 1 SummaryA.Summary.B.Exercises.C.Encourage any possiblequestions.1.Go over this lesson.2.Do the exercises.3.Ask questions ifnecessary.1.Consolidate the contents for thislesson.2.Encourage them to have doubts whilelearning.2 AssignmentExplain the homework.Understan d thehomework assignment.1.Promote the love for science.3.A proverb:A frog in the well knowsnothing of the great ocean.Translate. 2. Encourage the life-long learning andimprovement.4.EvaluationGet the students to evaluate theirstudy effectiveness and fill in theformFill in the evaluationchartMake a complete and compulsaryevaluation by respecting and respectingboth the course and the end.Build up the self- confidence for thestudents and motivate them to studyharder better and harder by knowingthemselves well.Charpter 3 A dangerous servantcablewire power stationbubble be connected with Use electricity carefully.flowmetreburyconnectAppendix. Give the students before class.课堂评价表Name DateA. Very good.（优）B. Good. （良）C. Not bad. （合格）D. Need improvement. （还学生自评小组互评教师总评掌握基本知识认真听讲主动与同伴合作积极提问此文档是由网络收集并进行重新排版整理.word可编辑版本！。

⼋年级英语下册：Chapter3Adangerousservant知识精讲沈阳⽜津版Chapter 3 A dangerous servant⼀. 教学内容：Chapter 3 A dangerous servant⼆. 具体过程（⼀）重点词组:1.electricity 通常作为物质名词使⽤,表⽰:电,电流,其前⼀般不加冠词.Eg: This machine is driven (run) by electricity. 这部机器是电动的。

Do you use electricity for cooking?2.a kind of 表⽰⼀种,⼀类,可⽤于修饰可数名词.但是a kind of 后的名词都⽤单数形式.Eg: He developed a new kind of novel. 他开创了⼀种新的⼩说形式.She spoke with a kind of foreign accent. 她说话时带着⼀种异域⼝⾳。

kinds of 表⽰:各种各样的,可⽤于修饰可数名词的复数形式。

Eg: She likes all kinds of sports. 她喜欢各种运动。

He has different kinds of friends. 他的朋友形形⾊⾊。

（⼆）重点句⼦:1. We can also change it into energy that can move things.我们还可以把它变成能移动物体的能量.这⾥⽤⼀个句⼦做定语来修饰energy , 被称为定语从句。

定语从句都是⽤陈述语序.change 表⽰:改变的意思, change…into…结构表⽰：把什么变成什么.通常指将某物体从⼀种状态转变成另⼀种状态. Eg: Heat changes water into steam. 热将⽔变成⽔蒸⽓.They changed the yard into a garden. 他们将庭院改成了花园.有时也使⽤change …for …结构,但此时,多强调⽤⼀种物体去交换另⼀种完全不同的物体.有时也使⽤change …for …结构,但此时,多强调⽤⼀种物体去交换另⼀种完全不同的物体.Eg: Where can I change English money for foreign money?我在哪⾥可以将英国货币换成外币？2. Match the kinds of energy in the box with the things in the pictures.把⽅框内不同种类的能量和图⽚的物体搭配起来.此处:match 表⽰:相配,与……相配的意思,作不及物动词。