Unit 5 Lesson 3 Experiment in Folk 教学设计 2-优质公开课-北师大必修2精品

Unit 5 Lesson 3 Experiment in Folk 教学设计2 Teaching aims:At the end of class, students will be able to :1. listen to some different styles about piano performances and evaluate them2. see pictures and learn some new words related to music3. read the text and answer questions on page 26 exercise34. learn the use of important language points by reading, seeing, writing and making sentences5. learn the use of adverbial clauses of cause, result and purpose with because, as, since, so that and so/such…tha t and finish exercisesTeaching difficulties:To practice using adverbial clauses of cause, result and purpose with because, as, since, so that and so/such…that.Teaching Aids: computer and cassetteTeaching procedures:( period 1)Ⅰ. Warming upFirst show some pictures of different styles in music or performance , and listen to a piece of music called “Er Qian Ying Yue”T: Then ask students “What do you think of the music you just listen to?” “What kind of music is it?”S:T: Chinese folk music sounds so wonderful and special. It is our cultural treasure. Our nation is proud of Chinese folk music. We have a lot of top musicians, can you name some famous musician?S:T: Show some slides such as Nie Er, Xian Xinghai, Hua yanjun. Then give some information about musician and ask students to guess who it is.He was born in Guangdong province in 1905. He is called people’s musician.2. He wrote many songs such as On Taihang Mountain and the famous Yellow River chorus.3. He died in Russia when he went there to study.S:Answer : Xian XinghaiNow let’s listen to another piece of music, guessing its instrument. (Let students listen to piano.) T: “What kind of music is it?”S:T: Yes, piano. Does piano belong to Chinese folk music?S: No, it belongs to western instrument. Piano sounds so sweet that many people like listen to piece of piano. Can you name some western musicians?S: Mozart, List, Schubert and so on.T: suppose if we combine our Chinese folk music with western music, What will happen?S:T: Does someone once try to do so?S:Ⅱ ReadingSomeone have already done so. He is Kong Xiangdong, and have you heard of the name?Now read the text and let’s see what’s the matter.After reading the text, show a picture of Kong Xiangdong, give a brief profile:A famous Chinese name in the music world, one of the most famous pianist in the world. He has performed in more than 40 countries and has scored numerous prize. He combine classical music and folk music well.How much do you understand the text and answer the following questionsDo the exercise 2Do the exercise correct errors1. Playing the same music in different cities of the world is very bored.2. The concert last week was such success that he had to give another two concerts.3. Because Kong’s talent a nd hard work, he become famous worldwide.4. He was made to practise the piano so much that, at time, he thought about giving up.5. He gave a concert combine classical music with Chinese folk music.6. This is why he went back his roots and study Chinese folk music.7. He didn’t quit, he became a great pianist.Answers: 1. bored改为boring 2. success 前加a 3. Because 后面加of 4. time改为times 5. combine 改为combined 6. back 后加to 7. he前加andIII speakingTask 1 voice your opinionWhat kind of music do you like? Which type of concert would you prefer to go to, classical or Chinese folk music? Give your reasons.Task 2 retell the story about Kong XiangdongCover the text and in pairs, talk about Kong Xiangdong, seeing how much they can remember from the text.(period 2) Language pointsIV Language points1. Which type of concert would you prefer to go to, classical or Chinese folk music?根据例句,翻译并总结prefer用法：1) I prefer tea.2) I prefer to walk there.3) He prefers making speeches after careful preparation.4) Mike preferred her not to come.5) Would you prefer that I come on Friday instead of Monday?6) I prefer the town to the country.7) While he was in the office, he preferred doing something to doing nothing.8) He prefers to walk there rather than go by bus.2.Kong goes for folk！go for此处意为“喜欢、选择或想要成就某事”翻译：我想我要水果沙拉. __________________________________________________ 我想去周游世界。

___________________________________________________She is going for the world record in the high jump.英译汉：_________________________________________________________________3. Kong Xiangdong surprised his fans …英译汉：What surprised me was that he spoke English so well.____________________________________________________be surprised to do sth.汉译英：我惊讶能欣赏这样精彩的的演出。

合集下载

北师大版高中英语 Module 2 unit 5 lesson 3 Experiment in Folk教学课件 (共16张PPT)

A. if
B. as soon as ★C. because D. befor12e
6. I’ll leave him a note ___ he’ll know where we are.
A★. so that B. so as C. in order D. for
7. He started early ___ get there on time.
change, transform 第三页
3
reading
Teaching aims
Key words Reading skills Grammar
1. Read the title.
2. Read the first sentence and predict the general idea of the passage.
• Thanks to his help, I succeeded in passing the exam.
• Due to the economic crisis, many businesses have been stopped.
Rule:
We can introduce a noun (phrase) which explains
Rule:
We can introduce a clause which shows the
__p_u_r_p_o_s_e__ of a certain action or situation with
__s_o_t_h_a_t__, __in__o_rd__e_r _th_a_t__, __in__c_a_s_e_____ and
_b_e_c_a_u__s_e_____, __a_s_____ and _s_i_n_c_e_____.

【范文】Lesson3 Experiment in Folk 教案

Lesson3 Experiment in Folk 教案Lesson3ExperimentinFolk教案Teachingobjectives .Topractisethevocabularyrelatingtomusic.2.Toreadandunderstandanewspaperarticle.3.Toexpressopinionsandgivereasonsforthem.4.Topractiseusingadverbialclausesofcause,resultandp urposewithbecause,as,since,sothatandso/such…that.5.Todistinguishbetweenso…thatandsothatandpractiseusingthemcorrectly.Teaching difficultpoints1.seekinginformationaboutthenewspaperarticle2.LearningadverbialclausesTeachingprocedures:Step1Lea dinginBriefintroductiontokongXiangdong.1.askstudent swhethertheyknowanythingaboutkongXiangdong.2.Thente acherwillsaysomethingaroundthefollowingpictures.Ste p2SkimmingReadthetextandanswerthesequestions1.whatk indofmusiciskongXiangdongmostfamousfor?Heisfamousforclassicalmusic.2.whatdidkongachievein1986?Hebecametheyoungestprizewinnerinmoscow’sTchaikovskyInternationalcompetition.3.whydidkongsh aveoffhishair?Heshavedoffhishairtoshowthathismusicstylewasnew,jus tlikehisnewhairstyle.Step3SkanningTrueoffalsestatements1.Asfamouspianist,kongsurprise dhisfansbygivingaconcertofchinesefolkmusicyesterday .2.Afterplayingpopmusicforyears,kongfelttheneedstob edifferentfromothermusicians.3.whenhewas18,hegothis firstinternationalprizeinAmerica.4.kongdecidedtored iscoveredthebeautyinchineseclassicalmusic.5.kongwan tstoplaychinesefolkmusicsoastobepopularamongchinese .6.kong’motherwasagreatmusiclover.Step4Post-ReadingFillingthemissingwordsaccordingtothetext.1.Thefamou s_____pianist,kongXiangdong,surprisedhisfanslastwee kbygivingaconcert____classicalmusic____chinesefolkm usic.2.musichasalwaysbeen____ofkong’sworld.Ashismotherwasagreatmusic____,helivedwithmusicfromhis_____.3.Becauseofkong’s____andhardwork,hebecamefamous______.4.whetherkong _____hisappearanceortransforminghismusic,heisa_____ inmusictoday.Step5DiscussionTalksomethingaboutkongXiangdong.Forexampl e:whatdoyouthinkofhim?whycanheachievecomuch?whatcan theylearnfromhim?Step6Languagepoints1.whichtypeofco ncertwouldyouprefertogoto,classicalorchinesefolkmus ic?prefer--choosesth.ratherthansthelse.likesth.bett er1)Iprefertea.2)Iprefertowalkthere.3)Heprefersmaki ngspeechesaftercarefulpreparation.4)mikepreferredhe rnottocome.5)wouldyoupreferthatIcomeonFridayinsteadofmonday?6)Ipreferthetowntothecountry.7)whil ehewasintheoffice,hepreferreddoingsth.todoingnothing.8)Hepreferstowalkthereratherthangobybus.2.konggoesforfolk!gofor此处意为“喜欢、选择或想要成就某事” e.g.我想我要水果沙拉.IthinkIwillgoforfruitsalad.我对现代艺术不是很欣赏。

北师大版高中英语unit5lesson3Experimentinfolk定稿

Last week ,he surprised his fans by giving a concert
classical music with Chinese folk
music. The concert was such a success for the next two years in many big cities.
competition. D.Kong first transformed his music in his Dream Tour Concert
Step 3. Reading
A
Skimming
Read each paragraph carefully and complete the following tasks.
B 2. _______ the
Summary of the passage
3. _____until
4.___to__p_r_actise
5. __ at 6._y_o_u__n_gest
Summary of the passage B
prize winner in an important
(compete) . 7. _c_o_m__p_e_ti_tion
c)Kong achieved a new success
d)Music had been part of his world
Para 1 B
Para 2
Scanning (寻读)
Para 3-eful Reading
Step 3. Reading
A
Skimming
Read the passage again to find out the best choices for questions and explain your reasons.

2019-2020年高中英语 Unit5 lesson3 experiment in folk精品教案北师大版必修2

2019-2020年高中英语 Unit5 lesson3 experiment in folk精品教案北师大版必修2Teaching objectives1. To practise the vocabulary relating to music.2. To read and understand a newspaper article.3. To express opinions and give reasons for them.4. To practise using adverbial clauses of cause, result and purpose with because, as, since, so that and so/such…that.5. To distinguish between so…that and so that and practise using them correctly. Teaching difficult points1.seeking information about the newspaper article2.Learning adverbial clausesTeaching procedures:Step 1 Leading inBrief introduction to Kong Xiangdong.1.ask students whether they know anything about Kong Xiangdong.2.Then teacher will say something around the following pictures.Step 2 SkimmingRead the text and answer these questions1.What kind of music is Kong Xiangdong most famous for?He is famous for classical music.2.What did Kong achieve in 1986?He became the youngest prize winner in Moscow’s Tchaikovsky International petition.3.Why did Kong shave off his hair?He shaved off his hair to show that his music style was new, just like his new hairstyle.Step 3 SkanningTrue of false statements( )1.As famous pianist, Kong surprised his fans by giving a concert of Chinese folk music yesterday.( )2.After playing pop music for years, Kong felt the needs to be different from other musicians.( )3.When he was 18, he got his first international prize in America.( )4.Kong decided to rediscovered the beauty in Chinese classical music.( )5.Kong wants to play Chinese folk music so as to be popular among Chinese. ( )6.Kong’ mother was a great music lover.Step 4 Post-ReadingFilling the missing words according to the text.1.The famous _____ pianist ,Kong Xiang dong ,surprised his fans last week by givinga concert ____classical music ____Chinese folk music.2.Music has always been ____ of Kong’s world.As his mother was a great music ____,he lived with music from his_____.3.Because of Kong’s ____ and hard work, he became famous______.4. Whether Kong _____ his appearance or transforming his music, he is a_____ in music today.Step 5 DiscussionTalk something about Kong Xiangdong .For example:What do you think of him?Why can he achieve co much?What can they learn from him?Step 6 Language points1. Which type of concert would you prefer to go to, classical or Chinese folk music? prefer (v.)--choose sth. rather than sth else. like sth. better (preferred)1) I prefer tea.2) I prefer to walk there.3) He prefers making speeches after careful preparation.4) Mike preferred her not to e.5) Would you prefer that I e on Friday instead of Monday?6) I prefer the town to the country.7) While he was in the office, he preferred doing sth. to doing nothing.8) He prefers to walk there rather than go by bus.(prefer to do sth. rather than do sth.)2.Kong goes for folk!go for此处意为“喜欢、选择或想要成就某事”e.g. 我想我要水果沙拉.I think I will go for fruit salad.我对现代艺术不是很欣赏。

Unit5Lesson3教学设计及学生学案（5篇）

Unit5Lesson3教学设计及学生学案（5篇）第一篇：Unit5Lesson3教学设计及学生学案Module 2 Unit 5 Lesson 3Experiment in folk李坤安徽滁州中学Lesson 3 Experiment in folkPeriod 1Reading Objectivesⅰ.To practise the vocabulary relating to music.ⅱ.T o read and understand a newspaper article.ⅲ.T o express opinions and give reasons for them.ⅳ.To practise using adverbial clauses of cause, result and purpose with because, as, since, so that and so/such…that.ⅴ.To distinguish between because and because of and practise using them correctly.Possible problemsⅰ.Students may have problems distinguishing between because and because of.ⅱ.Some students may feel less confident in expressing their own opinions orally and giving reasons in English than other students.Teaching Aims:i.To know the vocabulary relating to music.ii.To listen to the text and find out some detail information.iii.T o read and understand a newspaper article.iv.To write an introduction of a famous musician or singer.v.To express opinions and give reasons for them.Teaching Aids: computer and cassette Teaching Procedures: Ⅰ.Warming up1.Raise some questions about music, encourage students to say something relating to music as much as possible.2.Listen to some pieces of music including folk music, pop music, jazz, classical music and so on.3.Discuss the classical music whichplayed by Kong Xiangdong.Give students a brief introduction of this famous pianist and his combination of western music with traditional Chinese fo lk.Ⅱ.Pre-Reading Prediction Before reading the text, give students some headings of each paragraph in the article.Have students predict the correct order of each headings.Ⅲ.Reading 1.Fast Reading ① Get the main idea and the structure of the text.a.Give students several minutes to read the text quickly and silently to get the main idea of the whole passage.b.While reading, make students try to match the headings on the screen.c.After reading, check the predictions as a class, then show the structure of this article.② Peer Study a.Encourage students to guess the meanings of new words when reading.b.Because different students have different level, so teacher makes students study the new vocabulary from their classmates to make them know more impressively and ac tively.2.Listening ① Listen to the cassette.② Do some True or False exercises.③ After getting familiar with the content, students try to remember some detail information and complete the sentences in the table.3.Careful Reading ① Read part one carefully and answer the questions on the screen.In class, students read through the questions and answer them.② Group Work a.Divide students into two groups.b.Students read the rest two parts carefully, each group reads its own part, and designs some questions of the text.c.Then two groups exchange their reading content petition Students in two groups compete with each other, one group ask questions and one group answer the questions raised by classmates in the other group.The group, which gets the most scores at last, is the winner.Ⅳ Post-ReadingWriting and Speaking 1.Writing----How can we introduce afamous musician or singer? ① Give the structure of today’s lesson and some useful expressions.② Lead students to write the introduction, for example, Jay Chou.③ Group in four, write down an introduction ,and then read it in class.2.Discussion ① Give some questions to elicit what we can learn from Kong.② How to achieve our own dream?Ⅴ.Homework 1.Write an article about one of the famous musician or singer.2.Finish Ex.5—Ex.10 on page 27.3.Give students some websites to know more about Kong Xiangdong.Ⅵ.End the class.PeriodTeaching aims: i.T o express opinions and give reasons for them ii.To practise using adverbial clauses of cause, result and purpose with bec ause, as, since, so that and so/such…that.iii.To distinguish between because and because of and practise using them correctly.Teaching Aids: computer and cassette Teaching Procedures: Ⅰ.Warming upReview 1)Match the words and phrases in the box with the correct heading in class.2)Vocabulary a.Students complete the passage with the correct form of the words in the box and give the answers individually in class.b.Check the answers as a whole class.Ⅱ.Language points1.Do you know any famous musicians?The fa mous classical pianist,…musician n.音乐家pianist n.钢琴家musicn.音乐piano n.钢琴musicaladj.音乐的，喜爱音乐的violin---violinistguitar---guitarist2.… by giving a concert combing classical …combine(v.)---join or mix sth.togethercombine A with/to B 把传统中药与西药结合起来进行.Combine Chinese traditional medicine with western medicine.3.…Kong Xiangdong surprised his fans …surprise(vt.)---cause sb.to feel surprise 使我们惊奇的是他的法语说得如此好.What surprised us was that he spoke French so well.surperisedadj.I am surprisedsurprisingadj.It’s surprisingsurprisev.What surprised me is surprising.What surprised me makes them surprised.surprisen.to one’s surprise 使人吃惊的是in surprise惊奇地4.He was made to practise the piano so…make sb.do sth.（主动）sb.be made to do sth.（被动）5.Whether Kong is changing his appearance or transforming his music, he is a pioneer in music today.transform(vt.)---completely change the appearance or character of sth/sb.transform into6.Which type of concert would you prefer to go to, classical or Chinese folk music?prefer(v.)--choose sth.rather than sth else.like sth.better(preferred)prefer A to Bprefer doing A to doing Bprefer to do A rather than do B 1.我喜欢牛奶。

Lesson3 Experiment in Folk 教案

Unit5lesson3《experimentinfolk》学案2北师大版必修2.doc

Unit5 lesson3《experiment in folk》学案2北师大版必修2 一、学习目标【话题】1.熟悉了解主耍英语国家的艺术形式。

2.了解中外著名画家、艺术家、建筑师，以及不同的艺术、建筑风格。

【词汇】talent, key, beauty, appearance, quiet, worldwide, at times二、知识要点1.Kong goes for folk!孔喜欢民歌。

go for%1喜欢=be fond of, like, enjoyI don't go for Beijing Opera.我不喜欢京剧。

%1去做Let's go for a walk.我们去散步吧！%1去収（请，叫）Ask him to go for the doctor.让他去请医生来。

%1努力想获得go for the championship努力想获取冠军%1适用于What I said about Peter goes for you, too.我说的关于彼特的话也适用于你。

2.•••surprised his fans last week by giving a con cert combi n ing classical music with Chinese folk music.…通过举办了一场把古典音乐与中国民间音乐相结合的音乐会，让他的歌迷感到新奇。

The old man made a living by selling vegetables.%1combine…with…把…和…结合起来（混合）combine theory with practice 理论结合实际She combines wit and beauty.她才貌双全。

combine hydrogen with oxygen 使氢与氧混合（同mix・・・with…）3.His mother couldn't buy him a piano until he was seven.他妈妈直到他七岁时■才给他买了一架钢琴。

高一英语Unit5Lesson3ExperimentinFolk导学案4北师大版

Unit 5 Lesson 3 Experiment in Folk(导学案4)Tips: Yesterday will not be called again. 光阴一去不复返。

Learning aims: 1掌握本课单词拼写及重点单词的用法2阅读此篇课文，走近孔祥东。

3 从这篇课文中，你得到了什么启迪？Learning important points:通过多次阅读课文和细节理解提高阅读能力Learning steps:Step1背诵本课新单词----上课听写单词（A级）________________________________________________________________________________ __________________________________________________________Step2重点词汇链接（B级）1. key n. 琴键，钥匙，答案，重要的人或事。

经常与介词to 搭配翻译：1) the key to a piano ____________ 2) the key to the door of the house_______3) the key to the grammar exercises ________________4) the key to success ____________ 5) a key man ___________________即境活用：---- How do you deal with the disagreement between the pany and the customers? ---- The key ____ the problem is to meet the demand _____ by the customers. A. to solving making B. to solving madeC. to solve makingD. to solve made2. quit vt. & vi. 停止,中止, 放弃（give up ）,离开, 辞职quit— quit--- quitquit (doing) sth = give up (doing) sth1) My wife asked me to quit smoking, but I just can't make it.我的妻子要求我戒烟，但是我就是做不到。

北师大版高中英语Module2unit5lesson3ExperimentinFolk教学课件

result
so + adj. + a +
noun + that such + a + adj. + noun + that
such + adj. + noun (pl. / u) + that
8
back
Adverbial clause of purpose
purpose
so that in order that in case
第五页
5
Adverbial clause of cause
more
cause
because
as
since
6
AAddvveerrbbiiaall ooff ccaauussee
cause
because of owing to
due to
7
thanks to
back
Adverbial clause of result
3. Scan for the key words provided.
4. Go over the questions.
5. Let’s go!
6. Vocabulary.
第四页
4
Teaching aims
Key words Reading skills Grammar Adverbial clause of cause Adverbial clause of result Adverbial clause of purpose Practice
4. Though he is over sixty, ___ he works as hard as a young man.

北师大版高一英语必修二教案设计：Unit5 Rhythm 3 Experiment in Folk

《3 Experiment in Folk》教学指导Objectives■To practise the vocabulary relating to music.■To read and understand a newspaper article.■To express opinions and give reasons for them.■To practise using adverbial clauses of cause, result and purpose with because, as, since, so that and so/such…that.■To distinguish between because and because of and practise using them correctly.Resource usedthe Internet, Cassette, Grammar Summary 4, Mini-Grammar 4Possible problems■Students may have problems distinguishing between because and because of.■Some students may feel less confident in expressing their own opinions orally and giving reasons in English than other students.BackgroundKong Xiangdong, a famous Chinese name in the music world, is one of the most successful young pianists in the world.Kong Xiangdong has performed in more than 40 countries and has received numerous prizes, including the first prize and four other special prizes at the 1992 Sydney International Competition of Austra lia. He is the youngest prize winner ever in both Moscow’s 1986 Tchaikovsky International Competition and Spain’s 1987 Santander International Competition and is also the only Chinese pianist winning two gold medals at international competitions.He loves the piano, and he loves his homeland. Therefore, he became the best pianist of the Huanghe River Piano Concerto. In Hong Kong, the sales of his laser disc, Yellow River Piano Concerto have reached about 100,000 and have earned him a Platinum Record. In th e US, he’s the first Asian pianist to sign a contract with the BMG/RCA record company.In face of all these achievements, Kong never forgets his mother and his teacher, Fan Dalei, from whom both Kong Xiangdong has benefited a lot.Routes through the material■If you are short of time, omit Exercise 8 and 9.■If you have time, do Options activity.■If you have two periods for a lesson, a suitable natural break is after Exercise 4.Language Power: pages 70?C71.Mini-Grammar: 4.Before you startExercise 1Key Wordsclassical, folk, jazz, traditional, pop, rock ’n’ roll■Read through the Key Words with the class.■Ask students to talk about different kinds of music and famous musicians relating to the kind of music―-encourage them to say as much as possible and to give their opinions.Example:Kong Xiangdong is a world-famous pianist. He plays not only classical music, but folk as well.■Elicit information about Kong Xiangdong from students to arouse their interest in him. Show some photos of Kong Xiangdong to students if necessary.Read to learnExercise 2■Ask student to skim the title, the picture and the first sentence of each paragraph to get the general idea of the text.■Students read through the questions first and guess the possible answers. Then ask them to scan the text for the answers and take notes if necessary.■Students compare their answers in pairs before checking them as a class.Answers1 He is most famous for classical music.2 He became the youngest pr ize winner in Moscow’s Tchaikovsky International Competition.3 He shaved off his hair to show that his music style was new, just like his new hairstyle.Exercise 3■Students read the text again to check their answers and further understand the text. Match the beginnings to the endings then.Answers1 b2 c3 a■Students cover the text and in pairs, talk about Kong Xiangdong, seeing how much they can remember from the text.■Encourage students to exchange ideas about how they tackled the task―-did they read the whole text again from the beginning? What clues did they use, e.g. the questions in Exercise 2? the combined sentences in Exercise 3? the notes they have made?... Ask students what strategies they would use for a similar talk with a text in Chinese.Exercise 4■In groups, students roleplay interviewers and interviewees about music to find out their preferences and their reasons.■Choose one or two groups to report their findings to the class.■Suggestion: Provide more questions for students to voice their opinions. For example: What do you think of Kong Xiangdong?■In class, students talk about why Kong Xiangdong has achieved so much and what they can learn from him.GrammarADVERBIAL CLAUSES (II): CAUSE, RESULTAND PURPOSEExercise 5■Students read the sentences and identify the adverbial clauses of cause, result or purpose. Answersa) adverbial clause of cause;b) adverbial clause of result;c) adverbial clause of result;d) adverbial clause of cause;e) adverbial clause of cause;f) adverbial clause of purpose;■When checking the answers, also check students’ understanding of the clauses.Exercise 6■Students complete the rule individually, and then go to Grammar Summary for reference. AnswersBecause, as, since? C cause; So... that, such (a/an)...that? C result; So that? C purposeExercise 7■Students do the exercise individually and then compare the answers in pairs before checking them as a class.Answers1 C2 C3 C4 P5 R6 P7 RExercise 8■Students do the exercise individually and compare the answers in pairs.Exercise 9■Students do the exercise individually and then check the answers in pairs.Answers1 a2 b3 b4 aExercise 10■Students do the exercise individually and compare the answers in pairs.Answers1 because of2 because3 because4 because of5 because of6 becauseExercise 11■Read through the example first so that students have a model to follow.■Students work in groups, introducing their favourite music and the time they usually listen to music. Encourage them to give reasons by using the given linking words.■Have one student in each group report their discussion to the class if you have time.OptionsExtensionIn groups, students choose one of their favourite singers, musicians, dancers or artists, etc. and write a brief introduction about him/ her.The groups then take turns to read their instructions to the class and the other students guess who they are describing.。

1、下载文档前请自行甄别文档内容的完整性，平台不提供额外的编辑、内容补充、找答案等附加服务。
2、"仅部分预览"的文档,不可在线预览部分如存在完整性等问题,可反馈申请退款(可完整预览的文档不适用该条件!)。
3、如文档侵犯您的权益，请联系客服反馈,我们会尽快为您处理(人工客服工作时间：9:00-18:30)。