新Unit9学案9A

1、Unit 9 When was it invented？The first period ( Section A 1a,1c,2c- Grammar Focus )I. Learning Aims and Demands 1. Knowledge objects Key Vocabulary Key phrases and sentences Target language. 2. Ability objects： Can use the following skillfully:-when was the car invented ? - It was invented in - - Who

2、 was it invented by? - It was invented by- - What are they used for ? - They are used for -Communicative competence ：Practise their own conversations usingwas/were+ p.p.3. Moral objectLearn about some important inventions that have changed the world a lot. II. Learning Key Points Adverbial clauses w

3、ith when , while Learn past progressiveIII. Learning Difficulties 1Adverbial clauses with when , while . 2Learn past progressive . IV Learning Methods Speaking methods. Cooperating method. Inductive method. Pairwork. V. 预习A: 预习内容 ( Section A 1a,1c,2c- Grammar Focus )B. 写出下列动词的过去式和过去分词：cook_ _ visit_

4、 _invite_ _use_ _invent_ _ stop_ _write_ _ do_ _ eat_ _ drive_ _ grow_ _ close_ _C： 被动语态The Passive VoiceVI学生展示1 小组内自纠，完善课前预习 2. 小组展示预习内容 3个性表演。VII. Learning Procedures Step 1 Leading in 1. T: We all know there are many inventions changed our lives. Today lets talk about some inventions. Teacher ask

5、 Ss：When was/were invented? Who was invented by? What wasused for? Teacher lead Ss to answer.2. Remember them by practicing them in pairs.一、预习交流 Task1: Talk about the following inventions 1.Pairwork: A: When was the car invented? B: It was invented inA: What are they used for ? B: They are used for.

6、 Choose the four inventions of these and ask students to guess when each one was invented.For example, calculator, telephone, TV and computer.Step 2 .Talk about other four inventions like this . Work in pairs to make their own conversations about the inventions.Step 3 Have several different students

7、 guess and write the dates on the board. Ask the class to repeat the questions and answers.Step 4 Teachers advice A. Grammar : The Passive Voice 1. 语态及语态的用法: 当我们不知道谁是动作的执行者，或者没有必要指出谁是动作的执行者。或者只需要强调动作的承受着时，要用被动语态。2. 被动语态的构成: 被动语态由“助动词be+及物动词的过去分词”构成,观察下列句子:1)Trees are planted by people every spring.

8、2)The telephone was invented in 1876.3)English is spoken in Canada. 4)Teenagers should be allowed to choose their own clothes. 3. 一般现在时的被动语态：主语+助动词（is,am,are ）+及物动词的过去分词（+ by+宾语） 4. 一般过去时的被动语态主语+助动词（was, were ）+及物动词的过去分词（+ by+宾语）: 5. 主动语态变被动语态的方法 We speak English.- English is spoken by us. Bill inve

9、nted the telephone in 1876.- The telephone was invented by Bill in 1876.B. Words, phrases and sentences1. invent , find , discover的区别 invent“发明”，把世界上本来没有的东西，经过思考、实验，最后得以创造出来并应用于生活中。而find/discover作“发现”讲，指世界上已存在的东西，经过努力而找到，发现此物品。2. operate v.- operator n.-operation n. Operate a car/ machine operate on

10、 / upon sb.或身上某部位3. I think the telephone was invented before the car. think的用法小结 a) think + that-clause You cant think how glad I am. 你想象不出我有多高兴。 b) think it + adj. / n. +( for sb. )to do sth. 认为做某事是。 I think it best to refuse. 我认为最好还是拒绝。 c) What do you think of.? = How do you like.? d) think ( bel

11、ieve , suppose , expect , imagine ) 的否定前移 I dont think it will rain. I dont suppose he knows you 这类句子变成反义疑问句时，反义疑问句部分要与从句保持一致， I dont think it will rain, will it ? I dont suppose he knows you, does he ? It think he will come back in an hour, wont he ?e) I think so 的否定式是 I dont think so. 而I hope so的否

12、定式是 I hope not.4. Attention: A: Who were the shoes with adjustable heels invented? B：They were invented by. A: What are they used for ? B: They are used forA: When was the car invented? B: It was invented inStep 6 .Grammar Focus Review the grammar box by asking some students to read the sentences对应训

13、练： 对划线部分提问？1.It was invented in 1885. 2.They were invented by Juilie Thompson.3. They are used for seeing in the dark.Step 7:Feedback 1.The car in 1885.(A. invented B. were invented C. invents D. was invented )2.Battery-operated slippers seeing in the dark. A. used of B. were used for C. are used fo

14、r D. are used on3.Who it invented ? (A. were of B. was by C. is for D. was form )4.Theyre used for really cold ice cream. A. scoopping B. scoopped C .scoop D. scooping5.Trees by people in spring every year.(A. planted B. were planted C. are planted ) Step 11. 课后小结 编写者： 耿淑云Unit 9 When was it invented

15、？The second period ( Section A 3a - 4 and self check )I. Learning Aims and Demands 1. Knowledge objects Key Vocabulary Key phrases and sentences Target language.2. Ability Objects Listening skill. Reading skill. Writing skill. Communicative competence. 3. Moral objects To enable to ask for help when

16、 having difficulties in learning.II. Learning Key Points 1.Reading material. 2.Target languageIII. Learning Difficulties Make correct sentences using the Past Continuous .IV. Learning Methods1. Reading and writing methods . 2. Communicative competence . V. 预习A: 预习内容 ( Section A 3a - 4 and self check

17、 )B: .根据句意及所给首字母，补全下面的单词。1) When was the telephone i_? 2) I need a pair of s_ to wear at home.3) This heated ice cream scoop is used for s_ out really cold ice cream.4) My favorite shoes are those with a_ heels, because I can move the heels up and down. 5) This kind of machine can be o_ easily, so y

18、ou dont need to worry.VI学生展示1 小组内自纠，完善课前预习 2. 小组展示预习内容 3个性表演。VII. Learning Procedures.Step 1 Leading in1.Greetings and free-talk . 2.Check the homework . Step 2 Task 1 3a PairworkHave the Ss make a list of five helpful inventions and five annoying inventions.Then take turns to say:I think the most h

19、elpful invention is the light bulb.I think the most annoying invention is the alarm clock .Task 2 Pairwork Discuss your opinions in 3a like the models below with your partnerModel 1A: What do you think is the most helpful invention?B:I think the most helpful invention is A: Why is that ?B: Well, it

20、Model 2:A: What do you think is the most annoying invention?B: I think the most annoying invention is A: Why is that ?B: Well , it Step3 Task 3Imagine that you are alone on a tiny island. Choose five inventions you would like to have on the island with you. Tell the group what you chose and why.Mode

21、l:A: Id like to have be cause I couldB: Yes, but thats not going to help you leave the island. I think it would be better to have Step 4 Self Check Task1: Read the sentences carefully and try to fill in the blanks with the right words.Make their own sentences with each wordTask 2. Look at the pictur

22、es. Find out when these things were invented and then write about them in their exercise books. ( Ask Ss to look up the information on the internet.) Step 5 Teachers advice 1. What do you think is the most helpful invention ? 句中的 Do you think 作插入语。一般疑问句形式构成的插入语用于特殊疑问句中时，常插在疑问词之后，如特殊疑问词后是一个完整的句子，则特殊疑

23、问词后的句子仍用陈述句的语序。 如： When do you think he will be back ? 2. It gives people more time to work and play every day. a) give sb. some time to do sth.“ 给某人一些时间做某事” give sb. sth.- give sth. to sb.(类似的动词还有lend, send, show pass等 ) b) more “更多的”。与表示数量的词连用时 more 要放在数词的后面。 a few more minutes “又有几分钟” ， six more

24、books=another six books 3. Id like to have a radio because I could listen to music all day. a) would like to do sth. =want to sth.=feel like doing sth. would like sb. to sth.=want sb. to sth. b) hear强调听的结果,通常不用进行时态；listen to则强调听的过程,可以用进行时态4. I think it would be better to do sth. . . 我认为做会更好。 it woul

25、d be /is better(for sb.)to do sth. （某人）最好做某事。 eg. It is better for you to walk to school5. prefer的用法 prefer sth. to sth. I prefer dogs to cats. prefer doing sth. to doing sth. He prefers running to swimming. prefer to do sth. I prefer to walk. prefer to do sth. rather than do sth. He prefers to run

26、rather than swim.6. Mom added salt but it still wasnt salty enough. Attention: adj.+enough enough 修饰 adj. /adv 时，应放在它们的后面。 即：adj./adv.+enough Eg. (1)The bag is big enough to contain these apples. (2) The boy is old enough to go to school.Step6 Feedback 用所给词的适当形式填空。1. She is badly ill. We must send f

27、or a skilled doctor to perform an _(operate) on her.2. A friend of _ (I) bought a computer last month.3. I think it would be better _(have) plane.4. Edison was a great American _.He _over 1,000_all his life.(invent)5. The _ plastic bags are still_ (use).6. Emma is terribly ill and she needs an _( op

28、erate) at once.Step 7. 课后小结 编写者：耿淑云Unit 9 When was it invented？The third period ( Section A 1b,2a,2b 2c and SectionB2a 2b ,2c )I. Learning Aims and Demands 1. Knowledge objects Key Vocabulary Key phrases and sentences Target language.2. Ability objects Listening and speaking skills.3. Moral objects.

29、To be able to help some people who are in trouble and practice English in daily life.II. Learning Key Points Key phrases and sentencesIII. Learning Difficulty . Make sentences correct . IV. Learning Methods. Listening and speaking methods. Communicative competence .V. 预习A: 预习内容 ( Section A 1b,2a,2b

30、2c and SectionB1a 2a 2b ,2c )B: 按要求完成下列各题1. Write out the words 甜的_ 脆的,易碎的_ 酸的_咸的_ 辣的_ 2. 你能想起多少不同味道的食物? 小组交流._3. Ask and answer in pairs after the model:A: What does candy taste ? B: It tastes sweet.4. Can you write the right words according to the sentences?1) Ice cream tastes s_ 2) Lemonade taste

31、s s_3) The chicken is not s_ enough, please add some salt on it.4) C_ potato chips taste good.VI. 学生展示1 小组内自纠，完善课前预习 2. 小组展示预习内容 3个性表演。VII. Learning Procedures.Step 1 Leading in Greetings and free-talk . Check the homework .Step 2 Task1: Talk about the inventions in 1a 1.Pairwork: A: Whats this ( ca

32、lled ) in English ? B: Its a . A: Whats it used for ? B: Its used for. A: When was it invented ? B: I think it was invented in.2. Then listen to the tape and match the inventions with the dates. After that please say the whole sentences like this: The telephone was invented in 1876. Task2: Talk abou

33、t the following inventions in 2a1.Pairwork: A: Who were the shoes with adjustable heels invented? B：They were invented by. A: What are they used for ? B: They are used for. 2 . Talk about other two inventions like this Task3: Learn 2a-2c 1.写出下列三项发明的名称 shoes with adjustable heel _battery -operated sl

34、ippers _ heated ice-cream scoop_2. Let the studebts guess what are they used for.3. Listen and finish off 2a and 2b.4. Ss read and talk about the three inventions using when , who, whatStep 3 Section A 2c pairworkRead the sample dialogue in the box . Talk about and work in pairs. Model:A: What are t

35、hey used for ? B : Theyre used for seeing in the dark. Step 6 Section B 2a and 2b 1. Read the sentences in the box ,then listen carefully .Circle T or F2. Listen again. Complete the sentences. After class, learn the short passage by heart.Step 7: Teachers advice 1. George Crum cooked them for a long

36、 time until theyuntil=till,意为“直到”， 但till 在口语中用得多，until 在句首用得较多，且常用于短语notuntil“直到.才” eg. Dont open the door until the train stops.I didnt go to bed until my mother came back last night.2. Potato chips were invented by mistake. ( 1 ) mistake n.c 短语make a mistake 常与by连用构成短语by mistake“错误地”。 by 与mistake之

37、间可以加相应的形容词性的物主代词 eg. I took his notebook by ( my ) mistake.（2）mistake作动词，意为“误会”，常用短语为mistake sb / sth for sb / sth“误会某人(物)认作他人(物）” eg. He mistook her for her sister.他把她误认作她姐姐。3. George wanted to make the customer happy.make sb. / sth. + 宾补( n. , adj., do , done )eg. He made her stand outside all day

38、. The news made her sad.4. in the end = at last = finally 最后，终于。 at the end of在-的结尾/尽头。 by the end of -在-结束时，到-末为止。.5 .taste +adj/n/prep 是系动词， “尝起来-” . 其它表示人的感觉的系动词有： sound 听起来，smell 闻起来， feel 摸上去，look 看起来。例如：The building looked like a hospital. That sounds a good idea.Step 7: Feedback1.He sprinkled

39、 lots of (salt) on them so they were too (salt). 2.Potato chips were invented by mistake.(变为一般疑问句并作肯定和否定回答) 3.The customer thought the potatoes werent A. enough thin B. thin enough C. thick enough 4. They cooked them a long time. ( A. for B. at C. in D. of ) 1)At lastthey find a way to solve the pro

40、blem. A At the end of B At first C By the end of D In the end2) They end up _(sing).Step 7. 课后小结 编写者：耿淑云Unit 9 When was it invented？The fourth period ( Section B 3a-3b )I. Learning Aims and Demands 1. Knowledge objects Key Vocabulary Key phrases and sentences Target language.2. Ability Objects Be ab

41、le to understand the meaning of the passage in 3a.3. Moral Object Love our traditional culture by knowing of the invention of tea.II. Learning Key Points Be able to understand the meaning of the passage in 3a.III. Learning Difficulties Write a passage about the invention of Flying DiskIV. Learning M

42、ethods Reading and writing methods. Survey methods. V.预习A: 预习内容 ( Section B 3a-4b )B: 用所给词的正确形式填空1) Most people like easy jobs and dont like to do the _( pleasant) work.2) _ (leaf) on the trees turn yellow in autumn.3) Whats this called in English? Its a _(fly) disk.4) The customer thought the _(pot

43、ato) werent thin enough.5) We know the boys _ (take) good care of by the nurse.VI.学生展示1 小组内自纠，完善课前预习 2. 小组展示预习内容 3个性表演。VII. Learning ProceduresStep 1 Task 1 Learn 3a 1.Read the article and write answers to the after-passage questions.(2. Read it again, and translate the phrases.最受欢迎的饮料_ _ 在世界上_ _ 偶然

44、地_ _ 三千多年_根据_ 一个古老的中国传说_ _在户外的火炉上_落入_ 决定品尝_ _用这种方式_世界上最喜爱的饮料之一_Step 2: Teachers advice (Teacher get the Ss to pay more attention to the following:)1. Although tea wasnt brought to Western world until 1610. although 与but 在英语中不同时出现notuntil 含义：_翻译：直到他妈妈回来，他才去睡觉。_2. over three thousand years 中，over mean

45、s “more than”超过，多于3. The emperor noticed that the leaves in the water produced a pleasant smell.a) notice that从句； I noticed that you made great progress.b) notice ,感官动词，列举学过的感官动词：_ _ c) notice 作感官动词，意为“ 注意到，注意”， 后面接不带to 的不定式作宾语补足语，表示动作的全过程，当变为被动语态时，主语补足语要带to， 例如： I noticed him enter the office.- Hw

46、was noticed to enter the office.d)notice 作感官动词时,后面也可以接现在分词作宾语补足语,表示动作正在进行。例如：I noticed someone going into the room.翻译：（1）我注意到他离开学校了。（2）我看到李先生正在走进办公室。e) notice 作为名词时， 意为“ 布告， 通知” 。例如： The man was reading the notice when a little boy ran along.4. It was quite delicious. 中 quite 的用法a) quite不能修饰比较级 b) q

47、uite a few的意思是“ 相当多的”“很多的“ c) quite 非常，相当 。与 very 意义相近，要置于冠词之前，very 置于冠词之后。5. 与way构成的短语(1)in this way 以这样的方式 (2) the way to do sth.=the way of doing sth.做某事的方法 (3)on ones/the way to sw.在去-的路途中.way 后接 here /there/home 时,不要 to。 (4)in the way 当道，妨碍某人 (5)in no way 一点也不，决不（6）by the way顺便问一下 6. 1950s 20 世

48、纪50 年代 “世纪.年代”的表示方法，要用定冠词。例如： the 1870s( 或写成1870s ),指 19世纪70年代，读作the eighteen seventies the 1960s( 或写成1960s ),指 20世纪60年代，读作the nineteen sixties7. by accident=by chance 偶然，意外地 8. nearby adj.邻近的，附近的； adv. 在附近 。近义词辨析：near 指时间、关系、 年龄、程度的接近，有比较级等。 eg. He is near sixty.；nearby 指空间接近，没 有比较级。Step 3 Retell the passage according to the key words:Who invented tea?know popular invented?Althoughwasnt to until1610