新人教版九年级英语全一册《nit 6 When was it invented： Section B 1a—1e》优质课课件_4
九年级英语全册-Unit-6-When-was-it-invented？知识点总结-(新版)人教新目
………………………………………………最新资料推荐………………………………………Unit 6 When was it invented?【重点单词】1. project n. 项目，工程；2. pleasure n. 高兴，愉快；3. daily adj. 日常的，每日的；4. mention v. 提到，说到；5. nearly adv.几乎，差不多；6. boil v. 煮沸，烧开；7. remain v. 保持不变；剩余；8. national adj.国家的，民族的；9. low adj.低的，矮的；10. translate v.翻译；11. lock v.锁上；n. 锁；12. sudden adj. 突然的13. crispy adj. 脆的；酥脆的；14. salty adj.咸的；15. sour adj.酸的，有酸味的；16. customer n.顾客。
17. Canadian 加拿大的，18. divide v.分开，分散；19. hero n英雄，男主角；20. professional adj. 职业的，专业的；【重点词组】1. shoes with special heels 特殊后跟的鞋子2. hot ice cream scoop 热的冰其淋勺子3. run on electricity 电动的4. be used for 被用作5. the subject for my school project 学校项目的课题6. our daily lives 我们的日常生活7. have a point 有点道理8. by accident 偶然，意外地9. over the open fire 在火堆上10. fall into the water 落入水中11. take place 发生12. without doubt 毫无疑问13. at a low price 以一个很低的价格14. translate the book into different language 把书翻译成不同种的语言15. all of sudden 突然16. by mistake 错误地17. a much-loved and active sport 一个深受喜爱并且积极的运动18. divide…into 把…分开19. stop sb from doing sth 阻止某人做某事20. look up to 钦佩，仰慕21. the professional basketball groups 职业篮球机构22. use someone else’s idea 借用其他人的想法【重点句式】1. I think the TV was invented before the car. 我认为电视是在轿车之前发明的。
九年级英语全册Unit6Whenwasitinvented知识点讲解及练习素材人教新目标版(new)
Unit 6 When was it invented？【知识点整理】1。
被动语态(1）被动语态表示句子的主语是谓语动词所表示的动作承受者.(2）被动语态基本结构：be+及物动词的过去分词（如果是不及物动词,其过去分词应带有相应的介词）（3）被动语态中的be 是助动词,有人称、数和时态的变化。
一般现在时的被动语态为:am/is/are+过去分词一般过去时的被动语态为：was/were+ 过去分词与情态动词连用的被动语态：情态动词+ be + 过去分词（4）被动语态中动作的发出者或执行者做介词by的宾语，放在句末，by 表示“由,被”的意思，如何理解被动语态？主动语态：主语+谓语动词+宾语+其他成分被动语态：主语+be+过去分词+by+宾语+其他成分如：Many people speak English.English is spoken by many people。
3。
invent v。
发明inventor n. 发明家invention n。
发明,可数名词4. be used for doing ，用来做…（是被动语态）Pens are used for writing. 笔是用来写的。
5。
给某人某样东西give sth。
to sb。
I gave a pen to him。
我给他一支笔.give sb. sth。
I gave him a pen。
我给他一支笔。
6。
all day 整天7。
salty adj。
咸的salt n. 盐8. by mistake 错误地（犯错是:make mistake,这些常见的短语大家务必要掌握）I took the umbrella by mistake. 我不小心拿错了雨伞。
9。
make sb./sth+形容词：使…怎么样It made me happy。
它使我高兴make sb./sth+名词：让…做…It made me laugh。
它让我发笑10. by accident 意外，偶然（常见短语，考的最多的是它的意思)I met her by accident at bus stop. 我在公共汽车站意外地见到了她。
英语人教版九年级全册Unit6 When was it invented
Unit6 When was it invented? Section B ( 3a ~ self check) Period 7 Page 47~48学案（Students’ Sheet）学习目标1.扎实掌握本单元所有重点单词和短语，并能灵活运用。
2. 能通过写一篇以谈论发明为题的短文渗透本单元的话题和语言目标，培养对科学发明的兴趣。
学习重点：能通过写一篇以谈论发明为题的短文渗透本单元的话题和语言目标，培养对科学发明的兴趣【自主学习案】学法指导：自己认真识记本单元的单词和短语，并且认真复习本单元我们所学到的一般过去时态的被动语态。
Task 1.大声朗读本单元的单词，认真识记准备听写。
Task 2.认真完成self check部分。
Task 3. 通过认真预习，我能关上书认真翻译下面的短语。
1.decide on __________________2. come up with _____________3. lead to__________________4. all the sudden______________5.be invented by_______________e… to do …______________【合作学习案】Step 1.和搭档一起认真核对自主学习案的答案。
Step 2.组长根据自己小组的安排给组员听写单词。
Step 3. 根据3a所给表格列举出的内容提示，想出些你不喜欢做的事，完成3a。
Step 4.然后想出一些发明来帮助你，然后和同伴进行交流，写出提要。
Step 5.假设你现在是一名商人，根据3a 写的提要以及3b中所给的开头写一篇短文。
This special pen was invented by Liu Jie .It has three colors and is used for ________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ __________________________________________________________________________________________________________________________________________________________________________ _____________________________________________________________________________________ ________________________Step 6. 组长按照要求安排组员间相互评价各自的短文。
人教新目标英语九年级全册 Unit 6 When was it invented？单元语法精讲与精
Unit 6 When was it invented? 单元语法精讲与精练单元语法精讲被动语态（二）：一般过去时的被动语态1.一般过去时的被动语态的结构肯定句：主语+ was/were+Vp.p + (by…)eg：The car was invented in 1895.汽车是在1895年发明的。
否定句：主语+ was/were+not+Vp.p +(by…)eg：He wasn t told to go to Beijing.没人叫他去北京。
一般疑问句：Was/Were+主语+Vp.p +(by…)?eg：Was the light bulb invented by Edison?电灯是爱迪生发明的吗？回答为：Yes，主语+ was/ were;No，主语+ was/were+not.特殊疑问句:(1)疑问词不作主语：疑问词+ was/were +主语十Vp.p+ (by…)?eg：How was tea invented?茶是怎样被发明的？(2)疑问词作主语：疑问词+ was/were +Vp.p+ (by…)?eg：When was computer invented?电脑是什么时候发明的？2.被动语态的用法(1)当我们不知道谁是动作的执行者,或者没有必要指出谁是动作的执行者时,常用被动语态。
eg：The yellow cup was broken.黄色的杯子被打破了。
(2)当我们主要关心动作的承受者，但也关心动作的执行者时,通常会在动作的执行者前面加by。
eg:The nice picture was drawn by a ten-year-old boy.这幅好看的画是由一个十岁的男孩画的。
单元语法精练一、单项选择。
（）1.—When the bridge ？—Last year.A.did; buildB.was；buildC.was; builtD.did; built （）2.Flowers along the road last year.A.plantB.plantedC.are plantedD.were planted（）3.Many buildings in Lushan in the earthquake on April 20th.A.have destroyedB.are destroyedC.were destroyedD.are destroying （）4.The girl was heard in the next room every afternoon.A.to singB.singC.singingD.sang（）5.—Do you know Earth Day?—Sure.It in 1970 to tell us to protect our planet.A.sets upB.set upC.is set upD.was set up二、按要求完成句子，每空一词。
人教版英语九年级全册 Unit 6 When was it invented- Lesson 1
人教版英语九年级全册Unit 6 When was it invented? Lesson 1 Section A (1a－2d)导学案(无答案）Unit 6When was it invented主题内容主题范畴：人与社会子主题：人类发明与创新学习目标1. 语言知识：掌握相关的词汇、句子及常用表达，并能简要谈论发明的历史。
2. 文化知识：了解我国茶叶发明及其传播的简要历史；了解篮球的发明及其发展的简要历史。
3. 语言技能：能正确使用一般过去时的被动语态。
4. 学习策略：能制作思维导图，并借助思维导图记忆有关知识；能通过快速阅读获取文章主旨或者段落大意。
Lesson 1Section A (1a－2d)课前预习请预习下列重点单词、短语和句子，并完成下面的表格及相关训练。
单词和短语重点单词名词1. 鞋跟；足跟heel 2. 勺；铲子scoop 3. 电；电能electricity (adj.)电的；用电的electric 4. 样式；款式style 5. 项目；工程project 6. 高兴；愉快pleasure (adj.)令人愉快的pleasant 7. 拉链；拉锁zipper(＝zip) 8. 网站website 9. 先锋；先驱pioneer动词10. 提到；说到mention形容词11. 每日的；日常的daily(短语)在我们的日常生活中in our daily lives兼词12. (v.)列表；列清单(n.)名单；清单list重点短语1. ……的款式the style of ... 2. 被用作…… be used for ... 3. 认为；想起think of 4. 考虑；思考think about 5. 似乎做某事seem to do sth. 6. 有道理have a point 7. 例如for example 8. 在那时at that time根据语境或提示，完成填空。
最新-人教版九年级英语全一册Unit_6_When_was_it_inventedppt课件
were brought
3.The door ____________when we arrived,so we _______ the
bell.
was locked
4.The rsatundgents___________ not to eat or drink in class, but
Ruby________ the ruwlerwe htoelndshe started eating a biscuit in
5T.hDeiffberoeonkt wwriatesrtsrtarannsslalatteedd itnhetobdooifkfeinretondt ilfafenrgeuntage by different writers.
4b eat lock like ring invite break tell bring
B: I think it was invented in ________.
1876
A:What is the _______t_e_l_e_p_h__o_nuesed for?
B: It’s used for ________t_a_l_k_i_n_g__w_i_t_h_o_t_h_ers (talk with others)
see you.” Today the telephone __________(usel)eaarorunneddthe world.
was invented was said
is used
Unit 6 When was it invented?
Section B
1a
crispy salty
sour
sweet
salty
人教版九年级英语全一册《nit 6 When was it invented： Section B 3a—3b Self check》优课教案_1
Unit 6 When was it invented?Section B （3a—Self Check）教案设计一、【教材分析】来:]来: . . ]1. 复习常用词汇及表达：be used for, think of, have a point, become；shoes with special heels, shoes with lights, such a great invention, in our daily lives, by accident; without doubt; a Chinese ruler called…；fall into; produce a nice smell; one of the world’s favorite drinks; the saint of tea; less than; by mistake; sal ty enough; make the customer happy; in the end; potato chips; divide … into; not only…but also; look up to; stop…from…; become popular in China; the number of; encourage sb. to do sth; achieve one’s dreams 2.复习常用句型表达：（1）—When was the telephone invented? —I think it was invented in 1876.（2）—What are they used for? —They’re used for….（3）Did you know that tea, the most pop ular drink in the world, was invented by accident?（4）It is said that a Chinese ruler called Shen Nong was the first to discover tea as a drink.（5）Some leaves from a tea plant fell into the water and remained there for some time.（6）It also discusses where the finest tea leaves were produced and what kinds of water were used.（7）The tea trade from China to Western countries took place in the 19th century.（8）The telephone was invented by Alexander Graham in 1876.[来源:学,科,网Z,X,X,K]（9）Potato chips were invented by mistake.（10）The customer said they were not salty enough.（11）George wanted to make the customer happy.（12）The customer was happy in the end.（13）Basketball is a much-loved and active sport that is enjoyed by many for fun and exercise.（14）It is over 100 years old and is played by more than 100 million people in over 200 countries. （15）Basketball was invented by a Canadian doctor named James Naismith, who was born in 1863. （16）Dr. Naismith divided the men in his class into two teams and taught them to play his new game.二、【教学流程】复习热身1、检查单词复习用所给单词的适当形式填空。
英语-人教新目标版-九年级全一册Unit 6 When was it invented
n. 高兴; 愉快
Language Points
1. pleasure名词，“高兴；愉快”。 e.g. He takes no pleasure in his work. 他从工作中得不到丝毫的乐趣。 【辨析】pleasure，pleased与pleasant pleasure pleased 名词，“高兴；愉快”。常用短语With pleasure./ My pleasure./ It’s a pleasure. 形容词，“高兴的”，短语be pleased to do sth. “ 乐于做某事”；be pleased with “对……满意”。 形容词，“令人愉快的”，可作定语,表语，修饰 物。
Roy: My pleasure! Let me think… hmm… I know! The zipper! adj. 每日的；日常的 n. 拉链 Paul: The zipper? Is it really such a great invention? Roy: Think about how often it’s used in our daily lives. You can see zippers on dresses, trousers, shoes, bags… almost everywhere! n. 网站 n. 先锋; 先驱 Paul: Well, you do seem to have a point… Roy: Of course! I thought about it because I saw a website last week. The pioneers of different inventions were listed there.For example, it mentioned that the zipper was invented… v.列表; 列清单 n. 名单; 清单 v. 提到; 说到
人教新目标九年级英语全一册Unit 6 When was it invented Section
When was tea brought to Korea?
It was brought to Korea during the 6th and 7th centuries.
What is the hot ice-
It’s used for serving really
cream scoop used for? cold ice-cream.
④ 如果宾语补足语是不带to的动词不定式， 主动语态变成被动语态时要加上不定式符 号 to We often heard Kate sing in the room. Kate was often heard to sing in the room (by us).
4a Rewrite the sentences using the passive voice. 1.They sold the fridge at a low price.
4. Our parents advised us not to go out alone. We were advised not to go out alone by our parents.
5. Different writers translated the book into different languages. The book was translated into different languages by different writers.
4c Decide whether active or passive forms should be used in these sentences. Write the correct forms in the blanks.
新人教版九年级英语全一册《nit 6 When was it invented： Section B 1a—1e》优质课课件_0
Questions and Answers
pl ayed by ____ ____ ____ ____ __ peo ple.
UniSte6ctiWonhBen was it i2nav-e2ncted?
2a
2b
The popularity of
Paragraph 1 basketball around the
Read the passagwe qorulidck. ly. What is
the main idea of each paragraph?
When he was a college teacher, he divided the men into
two teams. Players need to get the ball in the other team's
basket. At the same time, they need to stop the competing
is played by more than
Who
100million people
Where
in over 200 countries
On December 21,1891
the first basketball game was played
In 1936 became an event at the Olympics
Paragraph 2
The main history of basketball.
新人教版九年级英语全一册《nit 6 When was it invented： Section A 4a—4c》优质课课件_12
popular
1.__S_m_a_rt_p_h_o_n_e_s ______
People who especially like smart phones
2._T_e_e_n_a_ge_r_s_________
The first thing that some people
Favorite movies are watched and many kinds of games are played by using the smartphone.
一般现在时被动语态：am/is/are done
Round three:
用Lucy使用手机的经历引导学生 呈现一般过去时的句子，并连句成段。
3. Which company invented the first mobile phone?
A. Nokia B. Motorola C. Apple 4. What does “smart” mean in “smartphone”?
A. It’s like a computer. B. It’s very smart. C. It’s small.
Round five:
Reading: 阅读短文，完成信息卡，引导学生 正确使用现代科技。
Smart Phone Addiction(智能手机瘾）
Nowadays, smart phones have become quite popular because they have many functions( 功能）. They are used to surf the Internet and show the latest pictures and so on
新人教版九年级英语全一册《nit 6 When was it invented： Section B 1a—1e》优质课课件_7
A: I think the TV was
invented before the
car.
4
2
B: Well, I think the TV
was invented after
the car.
1
3
1b Listen and match the inventions with the years.
__d__ 1876 __a__ 1885 __c__ 1927 __b__ 1976
A: I think … was invented before … B: Well, I think … was invented after ….
The telephone was invented before the TV set.
A: I think … was invented before … B: Well, I think … was invented after ….
c
B: I think it was invented in 1876.
When was the computer invented?
Let me see…
Homework
1.Make a conversation about inventions. 2.Master the words in this unit and pre-view
Do you know?
What are the Four Great Inventions in ancient China?
paper-making 造纸术
printing 印刷术
compass 指南针
gunpowder 火药
造纸术
新人教版九年级英语全一册《nit 6 When was it invented： Section B 1a—1e》优质课课件_8
car
WIhbniaeenvapcfmoneaprcdnnumioteslmciiaersohatpe.iWrnuocmntstheoioromtfmnhorraoeiutksu.diectiftofhuicerumllWwit,fo.ieetuhceoratauneltslitevimapeelehrkseotoanwinnnegiidlt.l
A.cut down C.have cut down
B.were cut down D.have been cut down
（ ）4.（2017 天水）The boy was seen ____computer games in the net bar.
A.play B.played C.playing D. to play3 to do some true or false questions.
ShLenuNoYngu，“the saint of tea” wrote the book Cha Jing. 茶圣
F
Cha Jing is about tea and it tells us how tea plants were grown and used to make
Task1:Read Para.1 and answer the following questions.
1.When was tea first drunk? It was first drunk about 5000 years ago.
2.Who was the first one to discover tea as a drink?
Read the passage quickly and match each paragraph with its main idea.
新人教版九年级英语全一册《nit 6 When was it invented： Section B 1a—1e》优质课课件_2
( w)o3r. Wdshatsduidcthheacussttomimere, places and thinknoufmthebpeortasto. chips at last?
Potato chips began in New England, USA, because of one man's change on the French-fried potato, and their production was the result not of a sudden try of cooking invention but of anger (一气之下).
A. He loved them. B. He hated them. C. He didn't mind them.
2. Listen and circle
1. Potato chips were invented by mistake.T F 2. They w2er.e Linivsetnetend iinann118d6533.c. ircle T F
Atonddayw. eW’rheAastntaidll?ceoaotlinsgtotrhye!m
Let's talk
Did you know potato chips were invented by mistake?
Wow, I didn’t know that. Who invented them?
人教版九年级英语全一册《nit 6 When was it invented： Section B 1a—1e》优课教案_8
Unit6 Section B（1a-1e）一、教学目标（一）语言知识目标：熟练使用以下词汇、短语和句型：单词：crispy, salty, sour, customer短语：by mistake in the end句型：Potato chips were invented by mistake.George wanted to make the customers happy.（二）能力目标听说能力的训练，小组合作培养（三）情感态度价值观目标：通过教师的引导，学生在学习中的讨论、总结，了解英语学习的方法。
二．教学重难点教学重点1.掌握所有重点单词，短语和句型。
2.熟练运用一般过去时的被动语态。
教学难点：熟练云用一般过去时的被动语态。
教学活动设计Step 1 Greeting and Leading in1.Greet the class.2.T: What kind of food do you like ? Sweet, sour, bitter…?Ss: I like ….3: Look at these pictures, how will they taste?（归纳）Step2Pre - Listening1.T：Look at 1a and 1b .1 ) Ss work with their partners and try to write some proper words under the pictures.2) Let some Ss read their answers. Try to remember the new words.2.T：Do you like eating potato chips? I am sure most of us like them very much. But do you know who invented them and how they were invented？Today let's learn together to know more about the history of the potato chips.Step 3 While-listening1. First, let one Ss read the sentences in 1c. Make sure they know the meaning of each sentence.2. Play the recording for the Ss. Listen for the first time. Play the recording again and judge T or F. Answers:TFTFFT3. Listen and answer the questions.1). Who invented potato chips?Step 4 Post-ListeningT: Now you have learned how potato chips were invented.1. Work in pairs. Make a conversation about the invention of potato chips. Use the information in 1c and 1d.2. Ask some pairs to act out their conversation in front of the class.3. Ask some students to retell the invention of potato chips ,using their own words. Explain some key points.by mistake 错误地eg: He took my umbrella by mistake.他错拿了我的伞。
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4. He puts too much s完alt成in听to 力the任no务od。les, so they are very ______.
A. sweet B. crispy C. salty D. sour
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目
potato
George wanctehdiptosmake the customers happy.
标
3. 能听懂有关介绍薯条发明的对话，独立
r完ea成lly听th力in 任务。 salty/crispy
Exercise1. 熟练使用以下词汇和短语crispy, salty,
标
3. 能听懂有关介绍薯条发明的对话，独立
完成听力任务。
How will they taste?
1. 熟练使用以下词汇和短语crispy, salty,
学
sour, customer, by mistake。
2. 掌握以下句型： Potato chips were
习
目
invented bsywmeisetatkfeo. od
Homewo1. r熟k练使用以下词汇和短语crispy, salty,
学
sour, customer, by mistake。
2. 掌握以下句型： Potato chips were
标e.
g.
:
They won in the end/at last/finally. 3. 能听懂有关介绍薯条发明的对话，独立
at the end of 在……的末尾
完成听力任务。
by the end of 到……末为止
Conclus1.io熟n练使用以下词汇和短语crispy, salty,
学
Geos2rgo. eu掌rC,握cruu以msto下m句er,型by：mPisiaontcatvcakeitedon。etcenhdtipbsywere
Role-pla1y. 熟练使用以下词汇和短语crispy, salty,1e来自Make 学chips.
aUcsoseontuvhre,ercsiunasfttoioormnmeaarb,tiobouyntmitnhise1taciknaevn。ednt1iodn.
of
potato
2. 掌握以下句型： Potato chips were 习A: Did yoinuvkenntoewd bpyotmatiostackheip. s were invented by
1d Liste1n. 熟ag练ai使n.用C以om下p词le汇te和th短e 语secnrtisepnyc, esasl.ty,
学Do you knsoouwTr,hhcoeuwsHtopismototearrty,obocyfhPimpositsawttaoekreCe。hinipvsented? 习Potato chi2p.s掌_w_握e_r_e以_i_n下_v_句e_n_型t_ed_：byPoatcaotookchciaplslewdeGreeorge Crum. Thineyvewneterde binyvmenitsetdakien. ___1_8_5_3__. George
s标alty p_o_ta_3t._o能_c_听h_ip_懂s 有关介绍薯so条u发r 明_的_o_r对a_n_话g_e_，_独立
完成听力任务。
1c Listen and circle T for true or F for false.
1. 熟练使用以下词汇和短语crispy, salty,
1. Potato chips were invented by mistake. T F
习
invented by mistake.
目
George wanted to make the customers happy.
标
3. 能听懂有关介绍薯条发明的对话，独立
完成听力任务。
crispy/salty
sour
sweet
salty
1. 熟练使用以下词汇和短语crispy, salty,
Write the name of a different food after
目mistake?George wanted to make the customers happy.
标B: Wow, 3I.d能id听n’t懂k有no关w介th绍at.薯W条h发o i明nv的en对te话d t，he独m立?
A: . . . 完成听力任务。
Lan1g. 熟u练ag使e用p以o下i词nt汇s和短语crispy, salty,
Listen aga1i.n熟a练nd使a用n以sw下e词r t汇he和q短u语esctriiospnys,.salty,
1学. WGheoorignes2vo.eCu掌nrr,tu握ecmdu以s.ptoo下mta句etro,型bcy：hmipPisso?tatakteo。chips were 2.习When winevreentthedeybyinmviesntatkeed.?
invented by mistake.
H目e cut the potatoes really, really thin and
George wanted to make the customers happy.
cw标oeorkeecdritshp3e.ym能. Af听onr懂da有hleo关npgu介tti绍lmo薯tes u条onf发tsila明ltth的oeyn对话，独立 them so th完e成y w听e力re任re务al。ly salty.
单项选择
1. John too学k my umbsreolular_, _c_u_st_o_m__erm, bisytamkei.stake。
A. to
B. by 2. 掌握C以. ab下ou句t 型：D.Poontato chips were
2. Though习my grandfather is old, he is funny enough to make ________.
学
sour, cucsrtoimspery, bfyomodistake。
2. 掌握以下句型： Potato chips were
习
invented by mistake.
目
George wanted to make the customers happy.
标
3. 能听懂有关介绍薯条发明的对话，独立
4. The c标ustomer3s.a能id听th懂ey有w关er介e 绍no薯t s条al发ty明en的ou对g话h.，T独立F
5. George wante完d t成o 听m力ak任e t务he。customer happy. T F
6. The customer was happy in the end. T F
完成听力任务。
1a TWhreitwe othr1de.ms熟inu练nth使dee用rbto以hxe下dceo词srcrr汇eicbt和eph短ioctw语urfceorsoi.sdpSyco,amsnaelttays,te.
学picturessohuarv,ecumstoorme ethr,abnyomniestwakoer。d. sw2e.e掌t 握c以ri下spy句型s：altyPotatsoocuhrips were
A. us to laugh
inveBn.teodurblyaumghistake.
C. us laug目h
GeoDrg. eouwrsanlatuedghto make the customers happy.
3. This A. call
bo标ok
is
written by a man________ Jack.
1b
学
each wsoourr,tomer, by mistake。
2. 掌握以下句型： Potato chips were
习
invented by mistake.
s目weet _b_aG_n_eao_nr_ga_e_wanted to mackreisthpeyc_us_cto_oom_k_ei_ers_h_appy.
习
目
invented bsyamltiystafkoeo. d
George wanted to make the customers happy.
标
3. 能听懂有关介绍薯条发明的对话，独立
完成听力任务。
1. 熟练使用以下词汇和短语crispy, salty,
学
sour, customer, by mistake。
2.
They学were
sour, customer, by mistake。
inv2e.n掌te握d 以in下18句63型. ：
TF
Potato
chips
were
3. The c习ustomeritnhvoeuntgehdtbtyhemipsotatkaeto. es were not thin