影音先锋男人资源在线观看,精品国产日韩亚洲一区91,中文字幕日韩国产,2018av男人天堂,青青伊人精品,久久久久久久综合日本亚洲,国产日韩欧美一区二区三区在线

人教版初中英語8年級下冊 Unit 9 Have you ever been to a museum 單元教案

上傳人:奇異 文檔編號:24409876 上傳時間:2021-06-29 格式:DOC 頁數(shù):26 大?。?25KB
收藏 版權(quán)申訴 舉報 下載
人教版初中英語8年級下冊 Unit 9 Have you ever been to a museum 單元教案_第1頁
第1頁 / 共26頁
人教版初中英語8年級下冊 Unit 9 Have you ever been to a museum 單元教案_第2頁
第2頁 / 共26頁
人教版初中英語8年級下冊 Unit 9 Have you ever been to a museum 單元教案_第3頁
第3頁 / 共26頁

下載文檔到電腦,查找使用更方便

10 積分

下載資源

還剩頁未讀,繼續(xù)閱讀

資源描述:

《人教版初中英語8年級下冊 Unit 9 Have you ever been to a museum 單元教案》由會員分享,可在線閱讀,更多相關(guān)《人教版初中英語8年級下冊 Unit 9 Have you ever been to a museum 單元教案(26頁珍藏版)》請在裝配圖網(wǎng)上搜索。

1、 Unit 9 Have you ever been to a museum? Section A 1 (1a-2d) 教學目標 1. Knowledge and Ability Objects (1) Key vocabulary: amusement; neither (2) Listening practice. (3) Target language: 1. Lets go somewhere different today. 2. Have you ever been to…? Yes, I have./ No, I haven’t. 3. How about/

2、what about…? 4. How are we going to get there? 5. We can take the subway/… (4) To train students’ listening and speaking skills. 2. Method Objects in Teaching (1) Scene teaching method. (2) Listening and speaking methods. (3) Pair work. 3. Sensibility and Value To be interested in taking p

3、art in all kinds of activities in English class. 教材分析 1. Teaching Key Points 1. Key vocabulary in this period. 2. Target language in this period. 2. Teaching Difficulty Make conversations freely using the target language. 3. Teaching Aids 1. A tape recorder. 2. A computer for multimedia use

4、. 教學過程 Teaching Procedures Step 1 Greetings and Revision Greet the class and check the homework. Step 2 Lead-in 1. Guess the places of the pictures; they are the British Museum, space museum, history museum, water park, zoo, amusement park while lead in sentence patterns:“ Have you ev

5、er been to …?” 2. Speaking Get students to work in pairs to practice the conversation: “ Have you ever been to…” “Yes, I have”/ Not, I haven’t. Step 3 Pre-listening 1. Section A 1a T: OK. Now open your books on Page 65. In Part 1a, 6 places are given. Please read the names of these plac

6、es. (Teacher writes the names on the blackboard.) Which of these places would you like to visit? Rank them from 1 to 5. S 4: Amusement park ______, water park ______, zoo ______ aquarium ______ space museum ______. S 5: Space museum ______, aquarium ______, zoo ______, water park ______,

7、 amusement park ______ S6: … 2. Talk about the picture Step 4 Listening 1. Listen and choose the best answer. The first and the second question aim to listening to time, and the third one aims to listen for the relationship. This activity trains students’ listening ability for listening for

8、 specific relationship. 1)When did Sarah visit the National Science Museum? A. Today B. Yesterday C. Last year 2)When did Claudia visit the nature museum? A. last year B. last summer C. Last school trip 3)What may the relationship be between the two speakers? A. Friends B.

9、Teacher and student C. Mother and kid. Answer: CCA 2. Listen again. Listen and check the boxes. Have these students ever been to these places? Science museum History museum Art museum Nature museum Space museum Claudia Sarah √ Step 5 Speaking Ask and answer in

10、 pairs: A: let’s go somewhere different today. B: OK. Where do you want to go? A: Have you ever been to the space museum? B: No, I haven’t. How about you? A: … Step 6 Listening 2a 2b 1. Listen and circle the places that you hear. 2. Listen again and circle T for true or F for false. Convers

11、ation 1 1. Tina went to the space museum last year. T/F 2. John has never been to the space museum. T/F 3. They are going to take the subway. T/F Conversation 2 1. Linda has been to the amusement park. T/F 2. Linda went to the amusement park yesterday. T/F 3. Linda is going to the amusement p

12、ark again by bike. T/F Conversation 3 1. Frank had a great time at the water park. T/F 2. Frank’s friend has never been to the water park. T/F 3. Frank and his friend are going skating. T/F Answer: TFT TFT FTT 3. Speaking Look at the map in 2a and make conversations about the places. A: H

13、ave you ever been to the space museum? B: Yes, I have. How about you? A: No, I haven’t. B: Oh, it’s fantastic. Let’s go tomorrow. A: OK. How are we going to get there? B: We can take the subway. 4. Speaking Role-play the conversation in 2d. A: I went to the film museum last weekend. Have

14、 you ever been there? … B: Yes, I have. I went there back in April. … … Step 7 Language points 1. I learned about the inventions that led to color movies, too. 我還了解了一些發(fā)明,它們成就了彩色電影。 此處learn是“了解;獲知;得知”的意思,由介詞about或of引入所獲知的具體內(nèi)容。例如: The children were all shocked to learn of the death of thei

15、r headmaster. 得知校長去世,孩子們都十分震驚。 I only learned about the accident later. 我只是后來才得知了事故的情況。 2. I’ve never been camping. 我從未野營過。 此句為現(xiàn)在完成進行時。這一時態(tài)的結(jié)構(gòu)為“have been + 現(xiàn)在分詞”,表示從過去某一時刻延續(xù)至今的動作。在本句中,說話人使用這一時態(tài)來強調(diào)自己至今從未有過野營的經(jīng)歷,欠缺這方面的經(jīng)驗。又如: He’s been watching TV all afternoon. 他一下午都在看電視。 We’ve been living

16、like this ever since the birth of my little brother. 自打我小弟弟出生,我們就一直這樣生活。 Exercise 1. 我去過北京兩次。 I ______ ______ _____ Beijing twice. 2. 大聲讀書是一種學習英語的好方法。 Reading aloud __ ____ ____ ____ to learn English. 3. 昨天他沒有去那,我也沒去。 He didn’t go there yesterday. _____ _________. 4. 我了解了一些電影的知識。 I ___

17、___ ______ some information about movie. 5. 他的粗心導致了這次失敗。 His carelessness _____ _____ this failure. 選用have, has填空: 1. I _______ told him the news. 2. She ________ come back from school. 3. You ________ won the game. 按要求改寫下列各句: 4. They have bought a computer. (改成否定句) ______________________

18、_____________ 5. He has lost his book. (先改成一般疑問句,再作肯定與否定回答) ___________________________________ ___________________________________ Step 8 Homework 1. Practice the dialogue and remember the language points. 2. Preview the next lesson. Step 9 Blackboard Design Unit 9 Have you ever been t

19、o a museum? Section A 2 (3a-3c) 教學目標 I. Knowledge and Ability Objects 1. Key vocabulary: unbelievable, progress, rapid, unusual, toilet, encourage, social, peaceful, performance, perfect, itself, collect 2. Target language: 1) I wonder how much more computer will be able to do in the future

20、 2) Watching them prepare the tea with the beautiful tea sets is just as enjoyable as drinking the tea itself 3. To train students’ reading ability 4. To get students know some knowledge about many kinds of museums. II. Method Objects in Teaching 1) Skimming for details. 2) Reading for compreh

21、ension. 3) Communicative approach. III. Sensibility and Value To raise students’ interest of learning English. 教材分析 I. Teaching Key Points 1. Key vocabulary: unbelievable, progress, rapid, unusual, toilet, encourage, social, peaceful, performance, perfect, itself, collect 2. Target language:

22、 1) I wonder how much more computer will be able to do in the future 2)Watching them prepare the tea with the beautiful tea sets is just as enjoyable as drinking the tea itself II. Teaching Difficulties 1) How to improve reading skill. 2) To understand the passage and the culture. III. Teac

23、hing Aids 1. A computer for multimedia use. 教學過程 Teaching Procedures Step 1 Greetings and Revision Look at the pictures and make conversation: A: Have you ever been to…? B: Yes, I have./ No, I haven’t. Step 2 Pre-reading 1) Brainstorm: think of the kinds of museums that you can name. 2)

24、 Watch a video. A video about the International Museum of Toilets 3) Talk about the video. Step 3 Fast reading Match the words with its meaning and learn some new words. True or False ( ) 1. American Computer Museum only has information about different computers there. ( ) 2. Ken thin

25、ks computers will do more work in the future. ( ) 3. International Museum of Toilets is a very unusual museum. ( ) 4. India has the most advanced toilet. ( ) 5. Linlin didn’t know why her grandpa loved drinking and collecting tea set. Step 4 Detailed reading Read the passage again and

26、 answer the questions. 1. Which three museums do the students talk about? 2. What does Ken say about the American Computer Museum? 3. What can we learn at the International Museum of Toilets? 4. Why is the Hangzhou National Tea Museum a nice place to enjoy tea? 5. What do you think is the most

27、 interesting thing about each museum? Step 5 Explanation 1. The most interesting museum I’ve been to is the American Computer Museum. 多音節(jié)詞和部分雙音節(jié)形容詞最高級加most構(gòu)成,前面加the。如: the most beautiful girl 2. The old computers were much bigger. much可修飾形容詞比較級,表示……得多。 如: much richer

28、 a little, even, a bit也可以修飾形容詞比較級。 3. I wonder how much more computer will be able to do in the future. 不知道將來電腦還能夠做些什么事情呢。 1)wonder 表示“ (對某事)感到疑惑; 想要知道; 想弄明白; 琢磨”, 后面常接由what, how, who 或者if/whether引導的賓語從句。 e.g. I wonder how they’re getting on. 我想知道他們現(xiàn)在過得怎樣。 I just w

29、onder if they’ve arrived safely. 我就想知道他們是否安全抵達了。 2) 此句從句部分的原始結(jié)構(gòu)是: How much more will computers be able to do in the future? 是對陳述句Computers will be able to do (much) more in the future.(電腦將來能夠做更多的事情。)的提問。由于充當了賓語從句, 疑問結(jié)構(gòu)改成了陳述結(jié)構(gòu): how much more computers will be able to do in the future, 即:

30、將助動詞還原到陳述句的位置。 e.g. I don’t know when he will come. 我不知道他什么時候來。 I don’t know where he lives. 我不知道他住在哪里。 4. It also encourages governments and social groups to think about ways to… encourage sb. to do sth. 鼓勵某人做某事 e.g. My father encouraged me to take par

31、t in the sports meeting. 父親鼓勵我參加運動會。 5. Watching the tea preparation is just as enjoyable as drinking the tea itself. 看沏茶的過程和飲茶本身一樣令人愉快。 -able是一個典型的形容詞后綴, 可加在動詞之后, 表示“可…..的; 能夠……的”。此處enjoyable(能使人快樂的; 令人愉快的) 便是一例, 再如:drinkable(可飲用的), washable(可洗的), readable(可讀的), usable(可用的; 可使用的)等等。

32、 Step 6 Homework 1. Remember the words and expressions. 2. Finish the exercises in the workbook. Unit 9 Have you ever been to a museum? Section A 3 (Grammar focus – 4c) 教學目標 1. Knowledge and Ability Objects 1) Target language: Have you ever been to a science museum? Yes, I’ve been to

33、a science museum./ No, I’ve never been to a science museum. Have you ever visited the space museum? Yes, I have. I went there last year./ No, I haven’t. I’ve been to the art museum many times. Me, too. And I’ve also visited the nature museum. 2. Method Objects in Teaching (1) Explanation me

34、thod. (2) Exercise methods. 教材分析 1. Teaching Key Points 1. The present perfect tense. 2. How to use the present perfect tense. 2. Teaching Difficulties To understand and use the present perfect tense. 3. Teaching Aids 1. A computer for multimedia use. 2. A picture. 教學過程 Teaching Pr

35、ocedures Step 1 Greetings and Revision Greet the class as usual and check the homework. Ask students to read the sentences of Grammar focus aloud. Step 2 Learn the Present Perfect Tense 1. 用法 肯定式 否定式 I/You/We/They have finished the work. He/She/It has finished the work. I/Yo

36、u/We/They have not finished the work. He/She/It has not finished the work. 構(gòu)成: have(助動詞) + p.p has(第三人稱單數(shù)助動詞) + p.p 疑問式 回答 Have I/you finished the work? Has he/she finished the work? Yes, you/I have. No, you/I haven’t. Yes, he/she has. No, he/she hasn’t. have not ??s略為haven’t has not

37、 常縮略為hasn’t 現(xiàn)在完成時的用法 Have you had your lunch yet? Yes, I have. I have just had it.(現(xiàn)在我不餓了) 表示過去發(fā)生或已經(jīng)完成的動作對現(xiàn)在造成的影響或結(jié)果。 I haven’t seen her these days. I have known Bob for three years. I’ve been at this school for over two years. They have lived here since 1982. She has taught us since I came

38、 to this school. 某些動詞的現(xiàn)在完成時可表示過去某一時間開始并一直持續(xù)到現(xiàn)在(包括現(xiàn)在)的動作或者狀態(tài),可以和表示延續(xù)的時間狀語連用。表示持續(xù)動作或狀態(tài)的是延續(xù)性動詞。 ever 意為“曾經(jīng)”,用于疑問句或否定句中,放在助動詞與過去分詞之間。 e.g. HaveyoueverbeentoHongKong? 你曾去過香港嗎? Ihaven’teverspokentoher. 我未曾和她說過話。 never意為“從來沒有”常與before連用,多放在助動詞與過去分詞之間。 e.g. Ihavenevertravelledbyplanebefore. 我以前

39、從來沒有乘飛機旅行過。 2. have been to & have gone to區(qū)別 比較:He has been to Beijing. 他曾去過北京。 (人已回來,可能在這兒) He has gone to Beijing. 他已經(jīng)去北京了。 (人已走,不在這兒了)。 have / has been (to) 表示“曾經(jīng)到過某地”,說話時此人不在那里,已經(jīng)回來。側(cè)重指經(jīng)歷。 have / has gone (to) 表示某人“已經(jīng)去某地了”,說話時此人可能在路上或已到那里,反正不在這里。 3. 一般過去

40、時與現(xiàn)在完成時的區(qū)別 比較:I have seen the film.. 我看過這部電影。 (我了解這部電影的內(nèi)容) I saw the film last month. 我上個月看了這部電影。 (只說明上星期看了這部電影,不涉及現(xiàn)在情況) ① 一般過去時只強調(diào)過去的動作;現(xiàn)在完成時強調(diào)過去的事情對現(xiàn)在的影響。 ② 一般過去時通常與表示過去的時間狀語連用;現(xiàn)在完成時則不能與表示過去的時間狀語連用。 ③ 一般過去時單純表示過去的經(jīng)歷;現(xiàn)在完成時表示過去的動作或狀態(tài)延續(xù)到現(xiàn)在并可能持續(xù)下去。 一般過去時的時間狀語

41、有:yesterday, last week,…ago, in1980, in October, just now… 共同的時間狀語有:this morning, tonight, this summer, before, already, …  現(xiàn)在完成時的時間狀語有:for, since, ever, never, just, already, yet, in past years, … Step 3 Exercises 1. Finish exercises. I. 根據(jù)括號內(nèi)的要求完成下列各句,每空一詞(含縮寫)。 1. My parents have

42、come back already. (改為否定句) My parents _______ ______ back ____. 2. The boys have been to Japan lots of times. (改為一般疑問句) _______ the boys _______ to Japan lots of times? 3. Has your sister gone to the bookstore? (作肯定回答) _______, she _______. 4. I have been to the theme park three times. (

43、對劃線部分提問) _____ ______ times have you been to the theme park? 5. The movie has been on for half an hour. (對劃線部分提問) _____ _______ has the movie been on? Ⅱ. 根據(jù)括號中所給動詞的提示完成下列句子或?qū)υ挕? 1. I ____________________ (work) in this city for 7 years. 2. — How long ______ she ______ (live) here? — Since s

44、he ______ (get) a new job here. 3. How many words _____ you ______________ (learn) since two years ago? 4. My mother ____ never ________ (hear) of this man. 5. Tom _________ (be) to China twice. 2. Finish 4a on textbook. Put the correct form of the verbs in the blanks. 1. A: Do you want _____

45、___ (come) to the space museum? B: No, I’ve already ______ (be) there three times. 2. A: Have you _____ (see) the robots at the science museum? B: Yes, I _____ (go) there last weekend. 3. A: Let’s _______ (spend) the day at the zoo. B: Well, I’ve already ______ (be) there a couple of

46、times, but I’m happy _______ (go) again. 4. A: How about ______ (go) to the art museum? There are some special German paintings there right now. B: Sure. When do you want _____ (go)? 5. A: Have you ever _______ (visit) the history museum? B: No, I’ve never ______ (be) there. 3. Finish 4b

47、on textbook. Fill in the blanks with the correct forms of the verbs in brackets. Most of us ____________ (see) Mickey Mouse, Donald Duck and other famous Disney characters in cartoons before. But have you ever ______ (be) to Disneyland? Disneyland ______ (be) an amusement park with a special theme

48、— Disney characters and movies. There _____ (be) many exciting rides, lovely restaurants and fantastic gift shops there. You can also _____ (see) the Disney characters walking around the park. And have you ever _______ (hear) of a Disney Cruise? This ______ (be) a boat ride with a Disney theme. You

49、can ______ (take) a ride on the boat for several days and eat and sleep on it. On the boat, you can ______ (shop) and have Disney parties before you ________ (arrive) at the Disney island. 4. Finish 4c on textbook. Answer the survey questions and then ask your partner. Have you ever ... You

50、 Your partner been to another province in China? lost something important? Step 4 Summary Unit 9 Have you ever been to a museum? Section B 1 (1a-2e) 教學目標 1. Knowledge and Ability Objects (1) Key vocabulary: the Terracotta Army, the Great Wall the Bird’s Nes

51、t, the Palace Museum Singapore, population, southeast Asia, western food, Indian food, Night Safari… (2) Target language: Have you visited …? Have you been to …? Have you seen …? Have you tried …? (3) To train students’ listening, speaking reading abilities and skills.. 2. Method Objec

52、ts in Teaching (1) Listening and speaking methods. (2) Reading methods. (3) Practice method. 3. Sensibility and Value (1) To raise students’ interest of learning English. (2) To make students get to know cultures of other countries. 教材分析 1. Teaching Key Points 1. Key vocabulary in this per

53、iod. 2. Target language in this period. 2. Teaching Difficulties 1. Improve students’ listening. 2. Improve students’ reading skills. 3.Teaching Aids 1. A computer for multimedia use. 2. A tape recorder. 教學過程 Teaching Procedures Step 1 Revision Complete the sentences. Step 2 Pre-li

54、stening 1. Look at the pictures and learn the new words. thousand num. 一千 thousands of 數(shù)以千計的 safe adj.安全的 fear v.& n.害怕;懼怕 Indian adj.印度人;印度的 spring n.春天 Japanese adj.日本人;日本的 fox n.狐貍 equator n.赤道 2. Look at the pictures and review the sentence pattern: Have you ever

55、 been to…? 3. Finish exercise 1a on textbook. Match the pictures with names. _________ the Terracotta Army _________ the Great Wall _________ the Bird’s Nest _________ the Palace Museum Keys: c, a, d, b Step 3 Listening 1. Listen to a student interviewing a foreign student. Check

56、 (√) the question you hear. _______ Have you visited the Palace Museum? _______ Have you been to the Great Wall? _______ Have you been to the Bird’s Nest? _______ Have you seen the Terracotta Army? _______ Have you tried Chinese food? Keys: 1,3, 5 2. Listen again and take notes. Name: ___

57、__________________________________ Country: ___________________________________ How long in China ________________________ Places visited: ____________________________ Food: __________________________________ Keys: Peter, Australia, two weeks, the Palace Museum, the Great Wall, the Bird’s Nes

58、t, the Terracotta Army, Beijing Duck Step 4 Speaking Work in pairs to ask your partner where she/he has been to? Have you visited …? Have you been to …? Have you seen …? Have you tried …? Step 5 Reading 1. Introduction of Singapore 1) Look at some pictures and watch some videos about

59、 Singapore 2) Talk about the symbol of Singapore 2. Fill in the blanks according to the article. Singapore’s geographical position A small island (1) ____________ Language(s) people speak in Singapore (2) ______________________ Food we can find in Singapore Chinese food, (3) __________ and

60、 Japanese food. Name of the night zoo in Singapore (4) ___________ Temperature in Singapore It is (5) _________ _____ all year round. Keys: 1. in Southeast Asia 2. Putonghua and English 3. Indian food, western food 4. Night Safari 5. almost the same 4. Work on 2b. Read the article. Ho

61、w many reasons can you find for visiting Singapore? 5. Work on 2c. The statements below are false. Use information from the article to correct them. 1. Most people in Singapore only speak English. 2. It is not easy to get many different kinds of good food in Singapore. 3. It’s better to see lion

62、s and tigers during the daytime because they will probably be awake. 4. It’s best to visit Singapore in the autumn. Keys: 1. both English and Chinese 2. very easy 3. at night 4. whenever you like 6. Work on 2d. Fill in conversation about Singapore using the information form the

63、article. A: I am going to Singapore next week. _____ you ever ____ there before? B: Yes, I’ve ____ to Singapore many times. It’s my favorite country in ____ Asia. A: What languages do people ______ there? B: Mostly Chinese and _______. A: What about the food? Is it good? B: It’s excellent!

64、 _____ you ever tried Indian food? Indian food is really good in Singapore. A: I see. Have you ____ heard of the Night Safari? Someone told me to go there. B: Yes! I ____ been to the Night Safari. It was really exciting to ___ the animals in the dark. A: And it is always _____ in Singapore? B: A

65、ll ____ round! It’s always summer there! Keys: Have, been, been, Southeast, speak, English, have, ever, have, see, warm, year Step 6 Language points 1. on the one hand… on the other hand 一方面……另一方面…… e.g. Ontheonehand,shetaughtEnglish, ontheotherhandshelearned Chinese.她一方面教英語,一方面學習漢語. 2.

66、 …more than three quarters of the population are Chinese… quarter n. 四分之一;一刻鐘 e.g. Ive got to go in a quarter of an hour... 一刻鐘以后我就得走了。 three quarters 四分之三 3. May be you fear that you won’t… fear v. 害怕;擔心 e.g. Many people fear change because they do not like the old ways to be changed. 很多人懼怕變化,因為他們不喜歡舊有的生活方式被改變。 4. A lot of animals only wake up at night… wake v. 醒來;喚醒 (woke woken) e.g. She went upstairs to wake J

展開閱讀全文
溫馨提示:
1: 本站所有資源如無特殊說明,都需要本地電腦安裝OFFICE2007和PDF閱讀器。圖紙軟件為CAD,CAXA,PROE,UG,SolidWorks等.壓縮文件請下載最新的WinRAR軟件解壓。
2: 本站的文檔不包含任何第三方提供的附件圖紙等,如果需要附件,請聯(lián)系上傳者。文件的所有權(quán)益歸上傳用戶所有。
3.本站RAR壓縮包中若帶圖紙,網(wǎng)頁內(nèi)容里面會有圖紙預覽,若沒有圖紙預覽就沒有圖紙。
4. 未經(jīng)權(quán)益所有人同意不得將文件中的內(nèi)容挪作商業(yè)或盈利用途。
5. 裝配圖網(wǎng)僅提供信息存儲空間,僅對用戶上傳內(nèi)容的表現(xiàn)方式做保護處理,對用戶上傳分享的文檔內(nèi)容本身不做任何修改或編輯,并不能對任何下載內(nèi)容負責。
6. 下載文件中如有侵權(quán)或不適當內(nèi)容,請與我們聯(lián)系,我們立即糾正。
7. 本站不保證下載資源的準確性、安全性和完整性, 同時也不承擔用戶因使用這些下載資源對自己和他人造成任何形式的傷害或損失。

相關(guān)資源

更多
正為您匹配相似的精品文檔
關(guān)于我們 - 網(wǎng)站聲明 - 網(wǎng)站地圖 - 資源地圖 - 友情鏈接 - 網(wǎng)站客服 - 聯(lián)系我們

copyright@ 2023-2025  zhuangpeitu.com 裝配圖網(wǎng)版權(quán)所有   聯(lián)系電話:18123376007

備案號:ICP2024067431-1 川公網(wǎng)安備51140202000466號


本站為文檔C2C交易模式,即用戶上傳的文檔直接被用戶下載,本站只是中間服務平臺,本站所有文檔下載所得的收益歸上傳人(含作者)所有。裝配圖網(wǎng)僅提供信息存儲空間,僅對用戶上傳內(nèi)容的表現(xiàn)方式做保護處理,對上載內(nèi)容本身不做任何修改或編輯。若文檔所含內(nèi)容侵犯了您的版權(quán)或隱私,請立即通知裝配圖網(wǎng),我們立即給予刪除!