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八年级英语备课组教案
Name Date Period 6
Topic Unit4 Topic 2 Class type new
Teaching aim 1）Master the sentence patterns “I’m sure…” and “Are you sure… ” 2) Talk about the advantages and disadvantages of robots. 3) Talk about modern science and technology. 4) Express certainty and uncertainty. 5) Review the simple past tense and the past continuous tense. 6) Talk about the uses of the Internet and ask students to use the Internet properly.
Important points 1）Master the sentence patterns “I’m sure…” and “Are you sure… ” 2) Talk about modern science and technology.
Difficult points 1）Master the sentence patterns “I’m sure…” and “Are you sure… ”
Teaching steps Section A 备注
Teaching procedure Review 教师将一个玩具机器人和一个玩具汽车进行比较，复习形容词的比较级和最高级，引出生词及be sure的用法，导入新课。
Lead-in 师生对话，边复习边引出生词。教师出示玩具机器人和小汽车。
Check the preview Students can read new words
Teaching the new lesson Step One听录音，学习1a内容。 1.(听两遍1a录音，回答问题。) T: Robots are very useful to humans. Do you want to know more about robots Now let’s listen to 1a and answer the following questions: (1)Where did Kangkang go last weekend (2)Can robots do any work faster and better than humans
2.(学生默读1a，教师板书重要结构和句型。 tell … about … do sth. instead of sb. something like … take the place of sb. to do sth. be sure I’m sure …
听录音，感受英语。用关键词表演对话，培养学生听说能力。 1. (学生先自己朗读1a, 然后跟读，注意语音语调。标出关键词。) T: Read 1a first, then listen to the tape and follow. Pay attention to the pronunciation and intonation and mark the key words. (板书关键词) the Science Center, invent, appear, take the place of, hard or boring, in some situations, dangerous, instead of, I’m sure …
2. (让学生根据关键词两人一组练习1a，然后找几组学生到前面表演 T: Please practice 1a in pairs and then act it out in the front of the classroom according to the key words. 3. (写出机器人的优点，完成1b。) T: Well done! Now please look at 1b. Can you write down the advantages of robots according to the dialog Ss: Yes. T: Are you sure you can write down the answers without looking at the dialog Ss: Yes. We’re quite sure. T: OK. I’ll ask three students to come to the blackboard and write them down. Step Two利用图片，小组讨论、师生情景对话完成2和3。让学生熟练运用本话题的功能用语。 1. (师生对话谈论机器人，导入2。) T: Boys and girls, we have learned something about robots. What else can robots do for us S1: They can repair bikes. S2: They can look after babies. … T: Look at the pictures. Try to describe them in English one by one. What’s the first robot doing, S3 S3: It’s saving people in danger. S4: It’s repairing machines. S5: It’s lifting parts of trucks. 2.(听2录音，完成2并核对答案。) T: Listen to the tape and number the pictures in 2. 3.(小组对话，巩固所学短语。) T: Please discuss robots in groups. Example: S6: What can robots do for us S7: They can save people in danger, repair machines and lift parts of trucks. S8: They can also carry heavy things, mend roads and catch fish.
Summary Review “I’m sure…” and “Are you sure… ”
Exercise We all know Yuan Longping is a great agricultural s______ The machines in this factory are broken. Robots can r_____ them. Gao Fei didn’t a________ at the party. We didn’t know where he was.
Homework The words of Section A 2.Exercise 3.Recite 1a
Thoughts after teaching
Teaching steps Section B 备注
Teaching procedure Review Review “I’m sure…” and “Are you sure… ”
Lead-in 通过游戏复习对话，导入新知识。 1. (猜谜游戏：复习过去进行时和表示肯定与不肯定句式的用法。) (把学生分成三人一组，一人在纸上写一个动作，让另外两位同学猜他在做什么，猜时要用上I’m sure./I’m quite sure./I’m not sure. 练习之后，以小组为单位在台前表演。)
Check the preview 检查作业：汇报搜集到的有关机器人和不明飞行物的信息。师生对话，引出生词，导入新课
Teaching the new lesson Step One 通过听录音和理解对话，使学生进一步学习表达确定和不确定的句式。 1. (设置听力任务，播放1a录音。) T: Most of us are not sure whether there are UFOs. Is there really a UFO Jane and her friends are talking about it. Now listen to 1a and answer the following question: What did Jane see while she was walking toward the bus stop yesterday Step Two . (再次播放1a录音，让学生跟读，注意语音语调。) T: Listen to the tape and follow. Pay attention to the pronunciation and intonation. Step 3 Consolidation 第三步 巩固(时间:12分钟) 表演1a对话，完成1b和1c。巩固确定与不确定的表达方式。 1. (阅读1a，完成1b。) T: Some students are sure there are UFOs, but some aren’t sure about this.What about Michael, Kangkang, Jane and Maria Read 1a and finish 1b. 2. (根据1b表格，四人一组练习1a对话。) T: Please practice the dialog using the information in 1b. Then I’ll let some of you act it out. 3. (用给出的句子编对话，完成1c。) T: From 1a we know scientists aren’t sure whether there are UFOs. But I’m sure there are robots. Are you sure, S1 S1: I’m quite sure. T: I’m sure robots will make humans lose their jobs. S2: I’m not sure whether robots will make humans lose their jobs. T: Look at the example in 1c. Can you make similar dialogs by using the sentences in the box Step 4利用实物学习生词及词组，活跃课堂气氛。完成2，导入3a。 1. (利用实物，引出生词及词组，导入2。) T: (拿出气球) What’s this object (板书，要求学生掌握。) object
S1: It’s a balloon. (帮助学生回答) (板书并要求学生掌握。) balloon
T: Yes, it’s a balloon. Are there UFOs Nobody is sure. In fact, people often mistake kites or balloons for UFOs. (板书并要求学生掌握。) mistake … for …
T: But why is there so much information about UFOs There is a passage about it. Let’s go and have a look together. (板书并要求学生掌握。) information
2. (让学生读2短文，为短文选择合适的标题，并猜出man-made的词义。) T: Now please read the passage in 2 and check the best title of the passage. (板书并要求学生理解。) man-made
T: OK, now are you sure there are UFOs S2, please. S2: No, I’m not sure if there are UFOs. T: Why do you think so S2: Because until now, no one really knows. … 3. (听2的录音跟读，标出关键词。) T: Well done. Now listen to the tape and follow. Mark the key words. say, seen UFOs, in fact, information, mistake ... for … , man-made, objects, such as, kites, balloons, nobody, sure
4. (师生对话，引出生词，导入3a。) T: From the passage above, we know nobody seems to have really seen a UFO. Well, are you sure there are aliens alien
S3:Yes, I’m sure there are aliens. S4:No, I’m not sure whether there are aliens. T: OK! Last night, while Jim was sleeping, he saw a UFO flying over his head. To our surprise, while he was trying to call for help, he saw an alien. What happened to him Who did Jim see after he woke up (让学生读3a猜出生词词义并填空。) T: Please read 3a and fill in the blanks. (板书并要求学生掌握。) call for, wake, wake up
5. (让学生再读3a，进行小组讨论，然后完成3b。) T: Who was the real “alien” Read 3a again. Discuss in pairs, and finish 3b
Summary Learn the expressions
Exercise (1) I’m not sure. Will you come here I’m not sure ____ you ____ come here. (2) People want to know. Are there UFOs in the sky People want to know ____ there ____ UFOs in the sky. (3) I don’t know. Do robots ask for pay or not I don’t know ____ robots ____ for pay or not.
Homework Recite 1a 2. new words 3. exercise
Thoughts after teaching
Teaching steps Section C 备注
Teaching procedure Review 表演对话或演讲，谈论有关外星人和UFO的话题，复习be sure结构。
Lead-in 通过讨论导入新词
Check the preview Read the new words
Teaching the new lesson Step One 播放录音，呈现1a。师生对话，理解1a内容，并找出关键词。 1. (播放录音，整体了解1a。) T: The Internet is very useful and wonderful. I think most of you can use the Internet well, so what can we do on the Internet Listen to the passage in 1a and find out the answer to this question. What can we do on the Internet
T: OK. Now please give me your answers. From S1, please. Say them one by one. S1:We can go shopping without leaving our houses . S2:We can study on the Internet. S3:We can use the Internet to find jobs. S4:We can find the way to a new place on the Internet. S5:We can find lots of songs, movies and games on the Internet. Step Two 2. (学生跟读1a，注意语音和语调，并画出关键词。) T: OK. Now please listen to the tape and follow. Pay attention to your pronunciation and intonation. And mark the key words. Internet, wonderful, make, nicer, easier and more interesting, help, for example, without, study, use … to, a new place, interesting, songs, movies, games, spend … on, too much time
Step 3 Consolidation 第三步 通过巩固1a，培养学生的口语表达和写作能力，完成1b 1. (学生根据关键词复述课文。) T: OK. Boys and girls, please stop. According to the key words on the blackboard, please retell the text to your deskmate. I will ask some students to retell it in English in the front. 2. (学生独立完成1b。) T: OK. Now look at the pictures in 1b and describe them according to 1a. Then write down the answers. (核对答案。) 3. (做调查完成1c。) T: The Internet is very useful. I want to know about your Internet life. Please answer the questions in 1c. (根据调查结果，小组讨论。) T: Retell the text according to the key words.
Exercise in class The word “download”_______ ____(以…开头) the letter “d”. A lot of students want to leave now, _______ _________(例如), Bill.
Summary Review the useful expression
Homework 1.New words 2. Exercise 3. recite 1a
Thoughts after teaching
Teaching steps Section D 备注
Teaching procedure Review 复习并用chant导入新课，合理运用教材，提高课堂教学效率。
Lead-in 通过讨论导入新词
Check the preview Check P 91 1a
Teaching the new lesson 1. (教师先播放4录音，完成4。) (播放几遍录音后，师生共同chant。活跃气氛，激发兴趣。) 2. (通过师生对话复习关于robots, UFOs和Internet的目标语言。) (1)(关于robots。) (2)(关于UFOs。) (3)(关于Internet。) T: S5, what do you think of the Internet S5: It’s wonderful and interesting. T: What do you often do on the Internet S5: I do the shopping, listen to music, see movies, play games, study, download useful information and write e-mails. T: Do you spend too much time on the Internet S5: No, I don’t. T: Good. The Internet is very interesting, but we shouldn’t spend too much time on it, or we can’t study well. 3. (教师呈现图片复习现在进行时和过去进行时。)
Exercise in class I paid fifteen yuan for this book. I ______ fifteen yuan ______ this book.
Summary Review the useful expression
Homework 1.New words 2. Exercise 3. recite 1a
Thoughts after teaching

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