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aoouiuPPT教学课件

aoouiuPPT教学课件.pptx

拼音王国运动会第1页/共63页10 ɑo ou iu第2页/共63页奥运第3页/共63页快乐读拼音第4页/共63页标调歌有 ...

页数:63页|格式:pptx下载文档

APElessonPPT教学课件

APElessonPPT教学课件.pptx

Jumpup and down.第1页/共17页a lineStand in a line.第2页/共17页12Stand in 2 lines.第3页/共17页1234Sta...

页数:17页|格式:pptx下载文档

apioneerforallpeople2PPT教学课件

apioneerforallpeople2PPT教学课件.pptx

News 1:The world price of rice has risen by over 100 %compared with that of last year, which disturb...

页数:36页|格式:pptx下载文档

AplanforMyHolidayPPT教学课件

AplanforMyHolidayPPT教学课件.pptx

Brainstorming... is coming.第1页/共20页A: Where are you going this summer holiday?A: How are you goi...

页数:20页|格式:pptx下载文档

APOIntroductionPPT教学课件

APOIntroductionPPT教学课件.pptx

Do you have problems with …Forecast quality? 预测不准Excess inventory? 超库存Lack of visibility in ...

页数:29页|格式:pptx下载文档

ApologizingPPT教学课件

ApologizingPPT教学课件.pptx

Types of ApologiesSimple ApologiesYou bump into someoneYou forget someone’s nameYou accidentally cu...

页数:13页|格式:pptx下载文档

APPhysicsCkinematicsPPT教学课件

APPhysicsCkinematicsPPT教学课件.pptx

Displacement vs. DistanceDisplacement: Change in position (vector)Distance: How far an object has ...

页数:51页|格式:pptx下载文档

ApproachesandmethodsinlanguageteachingandlearningPPT教学课件

ApproachesandmethodsinlanguageteachingandlearningPPT教学课件.pptx

Three terms related to language teachingApproachMethodTechnique第1页/共84页ApproachIt is a set of co...

页数:84页|格式:pptx下载文档

APQPPPT教学课件

APQPPPT教学课件.pptx

目录APQP与TS16949的关系APQP的作用APQP的基础知识介绍APQP的第一阶段APQP的第二阶段APQP的第三阶段APQP的第...

页数:57页|格式:pptx下载文档

ARDSPPT教学课件

ARDSPPT教学课件.pptx

SARS严重急性呼吸综合征(severe acute respiratory syndrome)第1页/共30页一、ARDS的概念由急性弥漫性肺泡...

页数:30页|格式:pptx下载文档

ArgumentPPT教学课件

ArgumentPPT教学课件.pptx

By the end of this chapter, you should learn:1. a good argument;2. point and support--distinguish be...

页数:29页|格式:pptx下载文档

ArianaGrandePPT教学课件

ArianaGrandePPT教学课件.pptx

On August 10, 2011, Ariana Grande signed a contract with universal music.In December 2013, the first...

页数:10页|格式:pptx下载文档

ASacrifaceForLovePPT教学课件

ASacrifaceForLovePPT教学课件.pptx

O’Henry ( 1862 --- 1910 )StepⅠAbout the Author第1页/共22页O. Henry (1862-1910), a highly praised m...

页数:22页|格式:pptx下载文档

ashorthistoryofwesternpaintingPPT教学课件

ashorthistoryofwesternpaintingPPT教学课件.pptx

starry night第1页/共18页第2页/共18页第3页/共18页第4页/共18页paintingsWhat do we call these things?第...

页数:18页|格式:pptx下载文档

ASICDesignPPT教学课件

ASICDesignPPT教学课件.pptx

课 程 安 排专用集成电路的测试方法Design-for-Test Basics 2 周可编程ASIC可编程ASIC器件的结构,资源,分...

页数:41页|格式:pptx下载文档

askingthewaystorytimePPT教学课件

askingthewaystorytimePPT教学课件.pptx

I can ask and show the way.I can help others.我会问路和指路。我会帮助别人。I can read and understand...

页数:25页|格式:pptx下载文档

ASocialSurveyPPT教学课件

ASocialSurveyPPT教学课件.pptx

Look at the words and guess what the passage is aboutneighborhood committeeorganization join ...

页数:17页|格式:pptx下载文档

aspirinorrivaroxbanforpreventionofDeepveinthrombosisPPT教学课件

aspirinorrivaroxbanforpreventionofDeepveinthrombosisPPT教学课件.pptx

1目录contentsBackgroundMethodsResults01020304Disccusion第1页/共24页Complications after total hip or ...

页数:24页|格式:pptx下载文档

AstronomyPPT教学课件

AstronomyPPT教学课件.pptx

1. sense : n.& v.归纳:make sense _______________make sense of _______________have (a/no) sense of (...

页数:29页|格式:pptx下载文档

AstronomythesciencePPT教学课件

AstronomythesciencePPT教学课件.pptx

牵 手 课 堂People have always watched the beautiful night sky. Many ancient people of the world clos...

页数:58页|格式:pptx下载文档

ASundayVisitPPT教学课件

ASundayVisitPPT教学课件.pptx

一. 教学目标:知识目标:熟练掌握本单元的单词、短语、句型和语法。能力目标:能够运用本单元所学到知识对...

页数:27页|格式:pptx下载文档

ATaleofTwoCitiesPPT教学课件

ATaleofTwoCitiesPPT教学课件.pptx

In peaceDr Manette第1页/共22页arrivalLucie Manette第2页/共22页Under the name ofCharles Darnay(nep...

页数:22页|格式:pptx下载文档

atasteofEnglishhumourPPT教学课件

atasteofEnglishhumourPPT教学课件.pptx

“ 特困生”第1页/共24页When there is only one man in the world.第2页/共24页She is good at Chinese K...

页数:24页|格式:pptx下载文档

AtasteofEnglishhumourReading课件PPT教学课件

AtasteofEnglishhumourReading课件PPT教学课件.pptx

Look at the following pictures.Which picture can make you laugh?I want to lose my weight.第1页/共36页...

页数:36页|格式:pptx下载文档

AtestoftruelovePPT教学课件

AtestoftruelovePPT教学课件.pptx

Lead-in: What is true love?Tips第1页/共25页Not fascinating jewelry, beautiful flowers, delicious foo...

页数:25页|格式:pptx下载文档

ATPPPT教学课件

ATPPPT教学课件.pptx

主要的能源物质:主要的贮能物质:在生命系统中ATP?糖类脂肪能量的直接来源第1页/共15页三、ATP的利用本节...

页数:15页|格式:pptx下载文档

ATP复习课课件整理PPT教学课件

ATP复习课课件整理PPT教学课件.pptx

学习目标1.识记ATP的化学组成和特点。2.写出ATP的分子简式。3.理解ATP在能量代谢中的作用。考点分析有关ATP...

页数:30页|格式:pptx下载文档

AtriptoBeijingPPT教学课件

AtriptoBeijingPPT教学课件.pptx

Use “May I …” to ask for somethingpolitely. Practice using this phrase with apartner.第1页/共17页...

页数:17页|格式:pptx下载文档

AtthefruitshopPPT教学课件

AtthefruitshopPPT教学课件.pptx

Where can we buy fruit?at the supermarketat the marketat the fruit shopWe can buy fruit ____________...

页数:13页|格式:pptx下载文档

AtthezootmpPPT教学课件

AtthezootmpPPT教学课件.pptx

第1页/共33页第2页/共33页第3页/共33页第4页/共33页bigsmall第5页/共33页It is so big.It is so small.Is i...

页数:33页|格式:pptx下载文档

AttitudesPPT教学课件

AttitudesPPT教学课件.pptx

AttitudesA lasting, general evaluation of people (including oneself), objects, advertisements, or is...

页数:18页|格式:pptx下载文档

AUI'mtenPPT教学课件

AUI'mtenPPT教学课件.pptx

IyouI’m ….You’re ….肯定句amare第一人称第二人称人称代词+notI’m not….You aren’t ….否定句Practi...

页数:7页|格式:pptx下载文档

AuldlangsynePPT教学课件

AuldlangsynePPT教学课件.pptx

Auld Lang Syne第1页/共12页The songs Scots title may be translated into English literally as "old lon...

页数:12页|格式:pptx下载文档

etotheunitPPT教学课件

etotheunitPPT教学课件.pptx

第1页/共15页达芬奇勤劳一日,可得一夜安眠;勤劳一生,可得幸福长眠。第2页/共15页1.wake up 醒过来,叫醒...

页数:15页|格式:pptx下载文档

AUnitFoodReadingPPT教学课件

AUnitFoodReadingPPT教学课件.pptx

Guessing game第1页/共19页水果 fruitReview第2页/共19页饮料 drink第3页/共19页食 物 food第4页...

页数:19页|格式:pptx下载文档

AunitI'mLiuTaoPPT教学课件

AunitI'mLiuTaoPPT教学课件.pptx

Are you Teddy?Yes, I am.Work in pairs:A: Are you …?B: Yes, I am.第1页/共42页Are you Teddy?No, I’m ...

页数:42页|格式:pptx下载文档

AUnitIlikedogsPPT教学课件

AUnitIlikedogsPPT教学课件.pptx

Watch the cartoon第1页/共20页What can you see on the farm?Pig, chicken, cow, duck.animalanimalsWhat ...

页数:20页|格式:pptx下载文档

AUnitReadingPPT教学课件

AUnitReadingPPT教学课件.pptx

learning1. some information about Simon’s favourite football player - Li Hua2. some key words and...

页数:48页|格式:pptx下载文档

aUnitSectionBPPT教学课件

aUnitSectionBPPT教学课件.pptx

Unit 9My favorite subjectis science.第1页/共47页Section B 11a-2c第2页/共47页Subjects:1. _________ ...

页数:47页|格式:pptx下载文档

AunitTaskPPT教学课件

AunitTaskPPT教学课件.pptx

Page ? 1New words1.everyone [‘evriw?n] 没人,人人e.g. 每个人都喜欢跳舞:每个人都到了:2.come from...

页数:17页|格式:pptx下载文档

etotheunitPPT教学课件

etotheunitPPT教学课件.pptx

Think about it!Do you like watching TV?How long do you watch TV every day?What type of TV programmes...

页数:19页|格式:pptx下载文档

AUnitWisemeninhistorywordsPPT教学课件

AUnitWisemeninhistorywordsPPT教学课件.pptx

goldencrownOlympicsagreementconfirmationpotdoubtrealtruthadj. 金的;金色的n. 王冠;皇冠n. 奥运会n. 同...

页数:29页|格式:pptx下载文档

Austin'sSpeechActTheoryPPT教学课件

Austin'sSpeechActTheoryPPT教学课件.pptx

To say something is in the full normal sense to do something. (J. Austin, How to do Things with Word...

页数:26页|格式:pptx下载文档

AustraliaPPT教学课件

AustraliaPPT教学课件.pptx

Australian geographyCommonwealth of Australia, is a country in the Southern Hemisphere comprising th...

页数:14页|格式:pptx下载文档

AutoCAD2014PPT教学课件

AutoCAD2014PPT教学课件.pptx

授课班级:一年级计算机应用班授课教师:张小焕课时:6课时/周第1页/共56页学期目标通过本学期的学习使学生...

页数:56页|格式:pptx下载文档

AvisittoanislandPPT教学课件

AvisittoanislandPPT教学课件.pptx

Would you like to go outfor fun at weekends?2. Who do you usually go with?3. Where are you going and...

页数:18页|格式:pptx下载文档

AvisittotheSpaceMuseumPPT教学课件

AvisittotheSpaceMuseumPPT教学课件.pptx

Module 4 The natural elementsUnit 4A visit to the space museum第1页/共29页How much do you know about...

页数:29页|格式:pptx下载文档

B4M1附件PPT教学课件

B4M1附件PPT教学课件.pptx

telesurgeryoutpatientclinicdisabilityspaceportdishwashercolonypaddoormat远距离手术门诊病人诊所失去能...

页数:51页|格式:pptx下载文档

b5m2PPT教学课件

b5m2PPT教学课件.pptx

A good listener takes part in the conversation, _______ ideasand raising questions to keep the talk ...

页数:30页|格式:pptx下载文档

b5m6PPT教学课件

b5m6PPT教学课件.pptx

endangerreservehabitatextinctstrugglewildlifeprotectpoacherantelopebattleplateauideal使…处于险境,危...

页数:16页|格式:pptx下载文档

bankedclozePPT教学课件

bankedclozePPT教学课件.pptx

Five steps1. Scan the passage to know the main idea.2. Identify part of speech of the options.3. Ide...

页数:12页|格式:pptx下载文档

BasicWritingCoursePPT教学课件

BasicWritingCoursePPT教学课件.pptx

Development by ExampleDo you prefer writing with examples or with dry and abstract words?It is vivid...

页数:27页|格式:pptx下载文档

BChapterHappymomentsPPT教学课件

BChapterHappymomentsPPT教学课件.pptx

What is missing第1页/共30页dancingriding a bicyclecookingplaying footballwatching TVmaking a plane第...

页数:30页|格式:pptx下载文档

BchapterourpetfriendsPPT教学课件

BchapterourpetfriendsPPT教学课件.pptx

Birthday cake第1页/共17页My Birthday第2页/共17页第3页/共17页?第4页/共17页?第5页/共17页MimyThis is Mi...

页数:17页|格式:pptx下载文档

beautifulnowPPT教学课件

beautifulnowPPT教学课件.pptx

歌曲介绍《Beautiful Now (feat. Jon Bellion)》是德国DJZedd制作、美国歌手Jon Bellion(乔恩·贝利昂)演...

页数:15页|格式:pptx下载文档

BECPPT教学课件

BECPPT教学课件.pptx

7.1 Products and servicesREADING: a product brochuretestimonial: a formal wr...

页数:22页|格式:pptx下载文档

bedroomPPT教学课件

bedroomPPT教学课件.pptx

Living room第1页/共10页Bed room第2页/共10页curtain第3页/共10页mirror第4页/共10页closet第5页/共10页...

页数:10页|格式:pptx下载文档

BehaviorBasedSafetyfinaldraftPPT教学课件

BehaviorBasedSafetyfinaldraftPPT教学课件.pptx

1Contests & AwardsReprimandsRegulationsPoliciesCommittees & CouncilsSlogansSafety TrainingSafety Mee...

页数:36页|格式:pptx下载文档

bfacedfacefbPPT教学课件

bfacedfacefbPPT教学课件.pptx

1.出色的,卓越的2.       restriction3.倔强的,固执的4.       troublesome5.直接的;坦率的6. ...

页数:19页|格式:pptx下载文档

BFBBFFCFEDDFDFBFBPPT教学课件

BFBBFFCFEDDFDFBFBPPT教学课件.pptx

李白(701-762),字太白。是唐代著名诗人,人们都称他为“诗仙”。大家读过李白的诗吗?你能背给大家听一听...

页数:9页|格式:pptx下载文档

ponentsIntroductionPPT教学课件

ponentsIntroductionPPT教学课件.pptx

1Overview第1页/共28页HDFSA distributed Java-based file system for storing large volumes of dataHDFS ...

页数:28页|格式:pptx下载文档

BirdwatchersPPT教学课件

BirdwatchersPPT教学课件.pptx

What animal do you think is lovely?Pandas第1页/共22页Revision: What problems will pandas have in th...

页数:22页|格式:pptx下载文档

BiTreePPT教学课件

BiTreePPT教学课件.pptx

1231145891213671014151231145891267101234567123456第1页/共17页链式存储结构二叉链表struct NodeType{ ...

页数:17页|格式:pptx下载文档

BLDCMPPT教学课件

BLDCMPPT教学课件.pptx

1三相三状态BLDCM 原理传感器:H1=1 H2=0 H3=1导通相:B第1页/共135页2传感器:H1=1 H2=0 H3=0导通相...

页数:135页|格式:pptx下载文档

BLearnPPT教学课件

BLearnPPT教学课件.pptx

Lets sing第1页/共37页Lets chantGrandma is old, but mother is young.Father is tall, but brother is sh...

页数:37页|格式:pptx下载文档

BlindmanandeyesinfiredramaPPT教学课件

BlindmanandeyesinfiredramaPPT教学课件.pptx

QuestionsHow much do you know about yoursensesHow many senses do we have ?What are they ?第1页/共45页...

页数:45页|格式:pptx下载文档

BMALifeinSportreadingPPT教学课件

BMALifeinSportreadingPPT教学课件.pptx

the prince of gymnast第1页/共37页Can you say something more about Li Ning?Brainstorm:第2页/共37页Li ...

页数:37页|格式:pptx下载文档

esPPT教学课件

esPPT教学课件.pptx

What do you know about the Yangtze River? What are the Three Gorges?第1页/共37页Do the quiz about t...

页数:37页|格式:pptx下载文档

BMHPPT教学课件

BMHPPT教学课件.pptx

“带给我希望”基金会致力于帮助中国孤儿群体。每年,基金会在中国不同城市举办“带给我希望”夏令营、冬令...

页数:10页|格式:pptx下载文档

BMUItwillraininBeijingPPT教学课件

BMUItwillraininBeijingPPT教学课件.pptx

Listen and chant P11-1第1页/共16页Listen and read p11-2第2页/共16页BeijingDalianXi’anHarbinGuangzho...

页数:16页|格式:pptx下载文档

bMUPPT教学课件

bMUPPT教学课件.pptx

M2U2Food I Like第1页/共23页第2页/共23页ice cream第3页/共23页Listen And EnjoyI like ice cream.Cold an...

页数:23页|格式:pptx下载文档

municationsPPT教学课件

municationsPPT教学课件.pptx

Warming up第1页/共35页Personal objectives:1)To train students ability to guess the meaning of the ne...

页数:35页|格式:pptx下载文档

Book1Module3PPT教学课件

Book1Module3PPT教学课件.pptx

cassettedistancetrammotorbikehelicoptercamel录音带距离电车摩托车直升飞机骆驼exhausted...

页数:66页|格式:pptx下载文档

book2unit4languagepointsPPT教学课件

book2unit4languagepointsPPT教学课件.pptx

1.decrease 反义词:________________1).vt/ vi降低,(使)减少,(使)变小这些措施有助于降低生产成本...

页数:37页|格式:pptx下载文档

Book3Unit6PPT教学课件

Book3Unit6PPT教学课件.pptx

Ernest HemingwayDateOccupationNovelshort story collectionsnon-fictionprizestyle1birth:July 21, 1899A...

页数:72页|格式:pptx下载文档

Book4unit1ReadingPPT教学课件

Book4unit1ReadingPPT教学课件.pptx

Who is she?第1页/共25页She was the only female monarch(君主) of China, and remains the most remarkab...

页数:25页|格式:pptx下载文档

Book4Unit3PPT教学课件

Book4Unit3PPT教学课件.pptx

一、单词拼写 根据所给的词性和词义写出下列单词。1.______________ prep.& adv. 遍及;始终2.__________...

页数:30页|格式:pptx下载文档

Book5Unit3readingPPT教学课件

Book5Unit3readingPPT教学课件.pptx

List things that will affect the quality of our life.ClothingEatingHousingTransportationEducationCom...

页数:23页|格式:pptx下载文档

book5unit3wordsandexpressionsPPT教学课件

book5unit3wordsandexpressionsPPT教学课件.pptx

Proverbs第1页/共48页1. Out of sight, out of mind .2. Bitter pills may have sweet effects.第2页/共48页...

页数:48页|格式:pptx下载文档

Book6Unit1ArtReading课件PPT教学课件

Book6Unit1ArtReading课件PPT教学课件.pptx

A short historyof western paintingReading第1页/共25页What do we call these things?paintingsWarming u...

页数:25页|格式:pptx下载文档

book6Unit5ThepowerofnatureVocabularypartone课件PPT教学课件

book6Unit5ThepowerofnatureVocabularypartone课件PPT教学课件.pptx

heavy snow第1页/共27页earthquake第2页/共27页flood第3页/共27页Fog[f?:g] n.雾Smog[sm?g]n. 烟雾; Haze[h...

页数:27页|格式:pptx下载文档

book7Unit5PPT教学课件

book7Unit5PPT教学课件.pptx

Language points for Reading ILanguage points for Reading II第1页/共91页1. How difficult do you thin...

页数:91页|格式:pptx下载文档

Book7Unit5ReadingandSpeakingPeruPPT教学课件

Book7Unit5ReadingandSpeakingPeruPPT教学课件.pptx

Peru is a country on the Pacific coast of South America.第1页/共31页Andes MoutainA n d e sM o u t a ...

页数:31页|格式:pptx下载文档

BOOK8unit2LanguagepointsPPT教学课件

BOOK8unit2LanguagepointsPPT教学课件.pptx

11. differ vi. 不同differ from (=be different from) 与…… 不同differ in (=be different in) 在……方...

页数:19页|格式:pptx下载文档

Book8unit1ReadingPPT教学课件

Book8unit1ReadingPPT教学课件.pptx

Do you know where it comes from?QuestionsUSA第1页/共26页Quiz 1: Which of them belong to USA?FranceGe...

页数:26页|格式:pptx下载文档

book8unit3LanguagepointsinReadingPPT教学课件

book8unit3LanguagepointsinReadingPPT教学课件.pptx

go through(1) 经历Most families went through a lot in the war.(2) 通过, 成功, 成交The plan did not g...

页数:60页|格式:pptx下载文档

BOOK8unit3languagepointsPPT教学课件

BOOK8unit3languagepointsPPT教学课件.pptx

1. He was going through a very hard time.1.Do you know the stages every inventor must go through bef...

页数:49页|格式:pptx下载文档

BookAUnitPeriodPPT教学课件

BookAUnitPeriodPPT教学课件.pptx

Unit 1 My name’s Gina.Period 1 Section A 1a~2c教学设计(一)教学设计(二)Period 2 Section A 2d~3...

页数:20页|格式:pptx下载文档

bookmoduleIntroductionfunctionandculturlacornerPPT教学课件

bookmoduleIntroductionfunctionandculturlacornerPPT教学课件.pptx

IntroductionDo you like traveling?Now, given a chance to go abroad,for example,European countries,wh...

页数:34页|格式:pptx下载文档

BookModuleNoDrugsVocabularyandReadingPPT教学课件

BookModuleNoDrugsVocabularyandReadingPPT教学课件.pptx

cigaretteis made of tobacco香烟烟草第1页/共49页What are they doing?第2页/共49页Discussion第3页/共49...

页数:49页|格式:pptx下载文档

BOOKModulereadingAnInterviewwithLiuFangPPT教学课件

BOOKModulereadingAnInterviewwithLiuFangPPT教学课件.pptx

Interview?1.a formal meeting at which someone is asked questions in order to find out whether they a...

页数:10页|格式:pptx下载文档

bookmoduletherenaissancePPT教学课件

bookmoduletherenaissancePPT教学课件.pptx

Learning Aims:1.To know about the background of Renaissance and the achievements during this time.2....

页数:22页|格式:pptx下载文档

bookmoduleThestoryofJKRowlingandHarryPotterPPT教学课件

bookmoduleThestoryofJKRowlingandHarryPotterPPT教学课件.pptx

Words of this partPlease turn to page 147, read aloud!Read after me!第1页/共24页第2页/共24页第3页/共...

页数:24页|格式:pptx下载文档

BookULHiMynameisZhangLiPPT教学课件

BookULHiMynameisZhangLiPPT教学课件.pptx

Learning aims:Talk about personal informationGreet people in simple English in a proper way第1页/共1...

页数:12页|格式:pptx下载文档

BookUnitAlandofdiversitylanguagepointsPPT教学课件

BookUnitAlandofdiversitylanguagepointsPPT教学课件.pptx

A brief view of key words & phrasesadj.清晰的;明显的n. 人口adj.多种文化的n.手段;方法n.大多数vt.选择...

页数:26页|格式:pptx下载文档

bookunitHIVareyouatriskPPT教学课件

bookunitHIVareyouatriskPPT教学课件.pptx

Warming Up1. Does HIV only affect gay people?A. yes B. No2. Which region has most people ...

页数:29页|格式:pptx下载文档

bookunitMusicGrammarPPT教学课件

bookunitMusicGrammarPPT教学课件.pptx

I remember that day.I gave birth to my baby on that day.I remember that day when I gave birth to my ...

页数:13页|格式:pptx下载文档

BookUnitPPT教学课件

BookUnitPPT教学课件.pptx

Before ReadingDetailed ReadingAfter ReadingQuit第1页/共101页Before ReadingDetailed Reading...

页数:101页|格式:pptx下载文档

BookUnitReadingFUTUROSCOPEPPT教学课件

BookUnitReadingFUTUROSCOPEPPT教学课件.pptx

第1页/共17页Futuroscope-- a theme parkin France第2页/共17页Para 1.Para 2.Para 3.What is the main ide...

页数:17页|格式:pptx下载文档

BookunitTravellingabroadReadingPPT教学课件

BookunitTravellingabroadReadingPPT教学课件.pptx

3.You have to get used to a whole new way of life, which can take up all your concentration in the b...

页数:23页|格式:pptx下载文档

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