新目标九年级第九单元导学案.docx
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1、 Unit9 When was it invented? Section A(1a2c)Part1主备人:王秀珍学习目标:学习一般过去时的被动语态与特殊疑问句。教学重难点:一般过去时态的被动语态基本结构:助动词be(was / w ere)+及物动词 的过去分词A thief was caught last night.They were asked to speak at the meeting.肯定式:It was made.否定式:It was not made疑问式:Was it made? No, it wasnt Yes, it was 学习过程:(一)预习导学根据时间与人物写出发
2、明物。1) 1885_ 2) 1876 _ 3) 1927_ 4) 1976 _5) Julie Thompson _6) Chelsea Lanmon _(二)自主学习:,自主完成以下单词与词组1 发明 创造 2 计算器 3 用勺舀 4 调整的 5 后跟 6 电池供电的 7操作 8 拖鞋 9 加热 10用来做 (二)汉泽英1)计算机是何时发明的?2)谁发明了计算机?3)计算机是用来做什么?4)你认为什么是最有用的发明?5)它能够给人们更多时间工作与玩(三)合作探究:1) 1. When was it invented?invent v. 发明,创造 例如:他发明了一种制造丝绸的新方法。你知道
3、谁发明的电脑吗?【拓展】(1)inventor n. 发明家,创造者,发明者 例如:. 爱迪生是一个伟大的发明家。 (2)invention n. 发明(物),创造 例如:Edison had 1,093 inventions. 2Theyre used for seeing in the dark.它们被用于在黑夜里观看。be used for表示“被用来做”,介词for表示目的与用途,后面接名词或动词-ing形式。木材可以被用来造纸。 【拓展】含有be used的常用短语:(1)be used as表示“被用作”,介词as意思是“作为”的意思,其后一般接名词,强调使用的工具及手段。This
4、 book can be used as a textbook.这本书可以当作教科书来用。(2)be used by表示“被使用”,by后接动作的执行者。This kind of machine is used by farmers for getting in crops. 3Battery-operated slippers were invented by Julie Thompson.电池控制的拖鞋是朱莉。汤普森发明的。五巩固测评: 翻译下列句子1.汽车是什么时候发明的? _?2.它是1885年发明的。 _.3.它们是去年发明的。 _.4.它们是谁发明的? _?5.它们是用来干什么的?
5、 _?6.它们是用来在黑暗中照明的。 _.将下列各句改为被动语态1. Bell invented telephone in 1876. Telephone _ _ by Bell in 1876.2. Mike broke the window yesterday. The window _ _ by Mike yesterday.3. They built the bridge in 2000. The bridge _ _by them in 2000.4. I bought my mobile phone last year. My mobile phone _ _ last year.
6、5. We invited Mr Zhang to give us a speech. Mr Zhang _ _ to give us a speech.补全对话(有两项是多余的)A: When was the telephone invented, do you know?B: Yes. _1_.A: _2_.B: No, I think it was invented after the car.A: _3_.B: Its used for talking with our friends and relatives.A: _4_.B: I think the car is more us
7、eful than the telephone. It can take us to everywhere we want to go.A: Would you like to buy a car some day?B: _5_. A. What is it used for?B. I think it was invented in 1876. C. Where was it made? D. I hope so. E. Which do you think is more useful? F. Do you think it was invented before the car? G.
8、I enjoy making telephone calls. 中考链接1.-Look at the sign on the right. -Oh, smoking _ here.A .doesnt allow B. isnt allowed C. didnt allow D. wasnt allowed2. -Will you come to the dinner party? -I wont come unless Jim _.A. cant be invited B. was invited C. will be invited D.is invited学习(教学)反思:Unit9 Wh
9、en was it invented? Section A(3a4)Part2主备人:王秀珍学习目标:1、熟练掌握被动语态用法。2、学会用被动语态表达对创造与发明事物的认识与看法。教学重难点:主动语态被动语态1主动结构的宾语变为被动结构的主语;2主动结构的谓语动词由主动语态变为被动语态;3主动结构的主语变为介词by的宾语,组成介词短语,放在被动结构中谓语动词之后。在动作的执行者无须说明或不必强调时,by短语可以省略。4主动语态、被动语态两种时态要保持一致: We repaired the motor.The motor was repaired by us.学习过程:(一)预习导学alarm
10、clock, light bulb, microwave over, tea, (二.)自主学习:1、 Is the light bulb useful or annoying ? 2:、I think its useful. 3、Why is it ? 4、Well, it gives people more time to work and play every day. 5、 What do you think is the most helpful / annoying invention? 6、 I think the most helpful / annoying inventio
11、n is 7、 Why is that ? 8、 Well, it gives people (三)合作探究1、A vacuum cleaner is helpful. A very loud truck is annoying.2、(1)operate v. 操作,作业 例如:Can you operate the computer? 你会用电脑吗?(2)operate v. 动手术,用于operate on sb. “给某人做手术”。例如:The doctor will operate on his mother at once. 那位医生将马上为他的母亲动手术。(3)operate v.
12、 经营,管理 例如:The company operates ten factories. (4)operation n. 手术 例如:She had an operation for stomach. 她做过胃部手术。3. Id like to have a radio because I could listen to music all day. 4.典型例题解析:1.老人们被照顾地很好。The old _ _ after well.解析: 这个题主要考查被动语态的结构be + 动词的过去分词与应用,在本题中应该是be looked after.2.You can use the box
13、 _ the toys.A. carry B. carrying C. to carry D. carried解析:在这个题目考查一个短语的应用 use sth to do利用某物做某事,因此答案为C。(四)巩固测评:下列句子改为被动语态。1). She was seen to come out of the libr ary by him.(变被动语态)2). When are trees often planted?(变被动语态)3). The League was founded in Guangzhou in 1922(就画线部分提问)4). Did the students wear
14、 the school clothes a lot ?(变被动语态)5). Kate took god care of the baby yesterday evening.(变被动语态)6).His aunt bought him a bicycle.(变被动语态)7).His aunt bought him a bicycle.(变被动语态)9)I sent a letter to you last month. 10) Do we use it for cooking?11)Where did you build the bridge?12) Mother tells me a stor
15、y every day.13) Can he finish his homework on time?中考连接:1.Although Tom failed the game, _ he said he would try again.A. B. and C. but D. because2. I must practice _ English, because its important while talking with a foreigner.A. speak B. to speak C. speaking .speaks 说一说这节课你学到了什么知识?拓展创新: 典型例题解析:1.-W
16、hat a nice classroom! -It _ every day.A. is cleaning B. has cleaned C. must clean D. is cleaned解析:推测这句话的意思应该是“它每天都被打扫”,考查被动语态的结构be + 动词的过去分词。因此答案应该选D。2.I know Beijing well. I _ there three times.A .will go B. have been C. went D. have gone解析:推测这句话的意思“我很了解北京,我去过那三次”。表示去过应该采用的时态是现在完成 时,因此可排除A与C,区别have
17、 been与have gone,have been 去过;have gone 去了(还没回来)。因此应该选择B。Unit9 When was it invented? SectionB(1a2C)Part3主备人:王秀珍学习目标:能力目标:能在具体语境中正确运用被动语态。学习重点:重点词汇用法及一般过去时被动语态用法。学习难点:被动语态用法。学习过程:(一)预习导学:Describe how food tastes.(二)自主学习1. Potato chips were invented by m (错误).2. He (撒上)some salt on them so they were s
18、.3. The (顾客) thought the potatoes werent thin enough 4. He s lots of sugar on the cake , so it was very sweet .5. You must put a little more salt in it , or it isnt s enough .(三)合作探究1The potato chips were invented by mistake.土豆条的发明纯属歪打正着。mistake n. 错误,误会,过失【拓展】(1) mistake n. 错误,误会,过失 例如:It was a mis
19、take buying that car. 买那辆车是个错误。 (2)by mistake 表示“错误地(因粗心、遗忘等所致)”。对不起,我错拿了你的手提包。 (3) mistake v. 误解,弄错 mistake . for “错把当作”例如:我把她错认为是她妹妹。 2. the customer thought the potatoes werent thin enough. 顾客认为土豆(片)不够薄。enough adj. 足够的 修饰形容词或副词时要放在修饰词 ;但它修饰名词时则放在名词之前; 例如:We didnt leave . 我们离开得不够早。We havent got .
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