九上UnitWhen was it invented单元导学案.docx

1、九上Unit When was it invented单元导学案Unit 9 When was it invented？班级_ 小组_ 姓名_ 评价_【教案目标】 了解主动语态和被动语态,主动语态表示主语是动作的执行者, 被动语态表示主语是动作的承受者；被动语态的构成“助动词be+及物动词的过去分词”。【学习重点】 一般现在时的被动语态【重点句型】When was it invented? It was invented in 1885.When were electric slippers invented? They were invented last year.Who were the

2、y invented by? They were invented by Julie Thompson.What are they used for? Theyre used for seeing in the dark第一课时Section A（1a2c）【教案目标】了解一般过去时的被动语态及特殊疑问句。【学习重点】一般过去时的被动语态词汇 invent。 calculator。 be used for。 scoop。 adjustable。 heel。 battery。 operate。 slipper。 heat【探究案】1. invent；find；find out。 discover

3、 invent意为“发明”，指通过劳动运用聪明才智“发明创造”出以前从未存在过的新事物。Who invented the telephone？ 是谁发明电话的？He invented a new teaching method他发明了一种新的教案方法。find意为“找到、发现”，指找到或发现自己所需要的东西或丢失的东西，着重指找到的结果。Weve found oil under the South Sea我们已在南海发现了石油。They finally found a way 他们终于找到了办法。意为“发现”，表示“偶然”或“经过努力”发现客观存在的事物、真理或错误，即指发现原来客观存在但不为

4、人所知的事物，也可表示发现已为人所知的事物的新的性质或用途。Columbus discovered America in1492哥伦布1492年发现了美洲。We soon discovered the truth 我们很快就弄清了真相。find out指经过研究或询问查明某事或真相。Ive found you out at last.我终于把你揭露了。Please find out when the ship sails for New York.请打听一下那艘船什么时候开往纽约。Please find out what time the delegation will come.请查一查代表

5、团什么时候来。【跟踪训练】1Edison the electric lamp2I lost my necklace last nightI havent it3Who America first？4Can you what time the train leaves？2. be used by的意思是“由（被）使用” , “used to加不定式”表示过去常常干某事现在不在干了。例如: I used to go to work by bus. Now I take a taxi. She used to be very shy. “be used to doing”表示习惯于干某事 be us

6、ed for意为“（某物）被用做”其后接名词、代词或动名词。如： （1）This kind of bamboo can be used for water pipes . 这种竹子可用作水管。（2）A knife can be used for cutting bread . 刀可用来切面包。 be used to do sth. 也可表示“（某物）被用做”，但其后接动词原形。如： （3）A hammer is used to drive nails . 锤子是用来敲钉子的。提示：be used as相当于be used for的用法。如：（4）The girl is being used a

7、s a servant in the house . 这个女孩在家里被当做佣人使唤着。【训练案】单项选择( ) 1 The Peoples Republic of China _ on October 1, 1949. A. found B. was founded C. is founded D. was found( ) 2 English _ in Canada. A. speaks B. are spoken C. is speaking D. is spoken( ) 3 This English song _ by the girls after class. A. often s

8、ings B. often sang C. is often sang D. is often sung( ) 4 This kind of car_ inJapan. A, makes B. made C. is making D. is made( ) 5 New computers _ all over the world. A. is used B. are using C. are used D. have used用所给词的适当形式填空1. Edison was a great _ (invent) and he invented more than one than one th

9、ousand _ (invent).2. The old people should _(speak) to politely. 3. A stamp is used for _(send) letters.4. -Who _ (save) her father?-He_(save) by that policeman.5. The teachers office _(clean) by us yesterday.【课后反思】Unit 9 When was it invented？班级_ 小组_ 姓名_ 评价_第二课时（Section A3a-4）【教案目标】熟练掌握被动语态用法，学会用被动语

10、态表达对发明事物的认识和看法。【学习重点】 1.熟练运用一般过去时的被动语态。2 词汇Light bulb。 microwave。 oven【预习指导及使用说明】1.课前热身。2.合作探究。3.检测【预习案】1.hear和listento: hear只是强调听见了，指声音传进了耳朵。listento的意思是集中注意力，尽量听清楚。例如：SuddenlyIheardastrangenoise.我突然听到一个奇怪的声响。 Icanhearyou.我能听到你说话。 Listentomeplease.请听我说。 Iheardthemtalkinginnextroom, butIdidntreallyl

11、istentowhattheyweresaying. 我听到他们在隔壁房间里说话，但我实在没注意听他们说什么。 当谈到听音乐、无线电广播、演讲、讲课等时，要用hear。 DidyouhearJackstalkonTuesday? 你听了星期二杰克的演讲吗？ 但是可以说：Ispentthenightlisteningtorecords.我听了一晚上的唱片。（不是公开演出） 注意：hear一词一般不用于进行时。不说Iamhearing或Iwashearing，而用can或could。例如：Icanhearsomebodycoming.我能听见有人来了。【探究案】被动语态 语态是动词的一种形式，它表

12、示主语和谓语的关系。语态有两种：主动语态和被动语态。如果主语是动作的执行者，或者是说动作是由主语完成的，要用主动语态；如果主语是动作的承受者，或者是说动作不是由主语而是由其他人完成的，则用被动语态。拓展:被动语态各时态构成表TENSE 主动语态 被动语态一般现在时 be+V.V.s amisare+V(p.p)一般将来时 willbe going to+V. will be +V(p.p)现在进行时 amisare+V.ing amisare+being+V(p.p)一般过去时 waswere V-ed waswere+V(p.p)现在完成时 havehas+V.p.p havehas+bee

13、n+V(p.p)过去完成时 had+V.p.p had+been+V(p.p)过去进行时 waswere+V-ing waswere+being+V(p.p)情态动词 情态动词+V. 情态动词+be+V(p.p)3. 感官动词或使役动词使用省略to的动词不定式，主动语态中不带to，但变为被动语态时，须加上to。 例：make somebody do something somebody+ be +made to do something see somebody do something somebody +be +seen to do something1. A girl saw my wa

14、llet drop when she passed by. My wallet was seen to drop by a girl when she passed by. 2. The boss made the little boy do heavy work .The little boy was made to do heavy work by the boss.【达标检测】一、同义句转换1. People speak English in many countries. English _ _ _ _in many countries.2. We built this bridge

15、last year. This bridge _ _ _ _ last year.3. The tiger in the zoo frightened the little girl. The girl _ _ by the tiger in the zoo.4. Xiao Liu has invited you to a lunch party. You _ _ _ _ _ _ to a lunch party.5. You must not take these magazines out of the reading-room. These magazines _ _ _ _ _ the

16、 reading-room.6. We shall discuss the problem at tomorrows meeting. The problem _ _ _ by us at tomorrow.二、用所给词的适当形式填空1MPS is used for_（play）music. 2. He has two _(radio).3. A computer is one of _(use) inventions in the world.4. How many magazines can _(borrow) form the library every week?5. He has _

17、(invent) many things in his life.【课后反思】Unit 9 When was it invented？班级_ 小组_ 姓名_ 评价_第三课时（Section B 1a-2c）【教案目标】学会表达这些创造和发明对你的生活的帮助或对生活质量的提高和认识。【学习重点】1.有关薯条的相关知识。2.词汇 crispy salty sour by mistake chef sprinkle【预习指导及使用说明】1.课前预习。2.听力检测。3.小组展示【预习案】1、salty 是形容词。意为“咸的，含盐的”。It is salty. 这是咸的 I dont like salt

18、y food. 我不喜欢咸的食物2、Mistake 1）动词 弄错,误解You mistook my meaning entirely. 你完全误会了我的意思。I mistook the number and went to the wrong room. 我记错号码,走错了房间2）名词 错误,过失。误会Tom didnt make a single spelling mistake in his composition. 汤姆在这篇作文里一个字也没拼错。By mistake 错误地 He put salt into his tea by mistake. 他把盐误放进茶里【探究案】一. 选择

19、填空 1. A Knife is used for _ things.A cutting B. cut C cuts D to cut 2. Anna is _to choose her own clothes. A. allowed B. allows C. allowing D. allow 3. He finished the homework _. A. in the end B. o the end C. by the end D. at the end4. Pens _ writing. A. used to B. are used as C. are used by D. are

20、 used for 5. _ is used for seeing in the dark. A. The shoes with adjustable heels B. The battery operated slippers C. The heated ice cream scoop D. The flying disk6. -I cant wake up in the morning. What shall I do?-Buy _, it may help. A. a light bulb B. a microwave oven C an alarm clock D. a binocul

21、ars7. -Your city looks beautiful! -Yes. Lots of trees and grass _last year. A. are planted B. have planted C. were planting D. were planted 8. -Where is Mary? -She _ in the cinema an hour ago. A. saw B, sees C. is seen D. was seen 9. Look! A boy is falling _the river. Lets go and save him. A. into B

22、. off C. over D. down 10. I took the wrong train _, I didnt even know it until half an hour later. A. by mistakes B. by mistake C. with mistake D. with mistakes根据句意及首字母提示完成下列句子.1. Mum added salt to the soup, but it wasnt s _enough.2. My father works as a c _ in a restaurant. 3. This orange is too s

23、_.4. The biscuits are very c _ .I like them.5. Im heavier than Jim means Jim is t _ than me.【课后反思】Unit 9 When was it invented？班级_ 小组_ 姓名_ 评价_第四课时（Section B 3a-4）【教案目标】全面掌握被动语态。【学习重点】 1.短文3a 2.词汇ancient。 fallinto。 remain。 notice。 produce。 pleasant。 in this way。 pie。 throw。 taste 【预习指导及使用说明】 1.自己阅读短文2

24、.回答短文中的问题3.写作【预习案】1、Accident 1）事故。灾祸 He died in an automobile accident years ago. 他数年前死于车祸2）意外事情。偶然因素,机遇 The discovery was a happy accident. 这一发现出人意料,令人高兴By accident意外事情。偶然因素,机遇 The discovery was a happy accident. 这一发现出人意料,令人高兴。2、Taste的用法 作名词，意为“味道，滋味”；作系动词，意为“尝起来”，后跟形容词作表语。作实义动词，意为“尝，品尝”；作形容词，意为“味道

25、好的”。【达标检测】用单词的适当形式完成句子。1. They are used for_(change) the style of the shoes. 2 Later he decided_ (taste) the hot mixture. 3 .This_ (specially) pen was invented by Zheng Jie. 4. The_ (fly) disk was invented by college students. 5. Some leaves from a nearby bush fell into the water and_ (remain) for s

26、ome time. 词形变换专项练习题1. Amy makes fewer mistakes than Peter. She does her homework_ (careful).2. John is _(luck) enough to miss the first train.3. The guide said that much attention must _(pay) to these details.4 .My friend told me that he wasnt used to _ (travel) by plane and he used to _(feel) sick

27、a lot.5. Thank you for _ me to the party, Im grateful to you for your _ (invite).6. By the time he was 12, he _ (teach) himself French.7. He watched the result of the test and then _(draw) a conclusion.(得出结论)8. So far, we _(hold) twelve sports meetings.9. This camera doesnt belong to _(he), its _(I)

28、.10. This car costs too much. Dont you have something _ (cheap)?阅读理解：When you are learning English, you find it not clever to translate an English sentence, word for word, into your own language. Take the sentence “How do you do?” for example. If you look up each word in the dictionary, one at a tim

29、e, what is your translation? It must be a wrong sentence in your own language.Languages dont just have different sounds, they are different in many ways. Its important to master the rules for word order in the study of English, too. If the speakers put words in a wrong order , the listener cant understan