九年级英语When was it invented课件
6. Did Lily buy her sister a hat? 7. We often hear him play the violin at home. 8. The lazy boy didn’t wash clothes yesterday. 9. Students listen to the kind teacher carefully. 10.When did your father take you to the park ?
有两种被动语态的一些动词:
buy 买 tell 告诉 give 给 show 展示 pay支付 lend 借出 teach 教授
A bike was lent to me ( by him). I was lent a bike (by him).
通常用直接宾语作被动语态的主语一些动词:
bring拿来 sell 卖 do做 make 制作 send 送、寄 sing 唱 pass传递 write写
A letter was written to her (by her son). 合习惯
She was written a letter ( by her son) 不合习惯
注意：在主动句中see ，watch ，hear，make
等后+宾语+动词原形的结构变为被
动句时一律在see ，watch ，hear，
由 不及物动词+介词或副词构成的被动语态
=及物动词 She looks after her grandmother. (主动句 ) Her grandmother is looked after by her.(被动句 ) My friends laughed at me all the time. (主动句 ) I was laughed at by my friends all the time. (被 动句 ) 注 :介词不能省略
The passive voice.
被动语态
英语中动词有主动语态和被动语态两种语态. 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, 在被动语态中动作的执行者有时用by短语表示 出来.
被动语态的构成:
{ was (were) + done
助动词be+ (及物动词的) 过去分词 am (is, are) + done 一般现在时
What are they used for?
They are used for seeing in the dark.
What are they used for?
They are used for scooping really cold ice cream.
What are they used for?
The passive voice.
被动语态
主动语态变被动语态的结构图:
Bell invented the telephone in 1876.
主语 谓语动词过去时 宾语 时间状语
The telephone was invented by Bell in 1876.
主语 谓语动词的过去分词 宾语 时间状语
Sample 3: B: When was … invented ?
The telephone was invented in 1876. The car was invented in 1885.
1c
When was the telephone invented ?
I think it was invented in 1876.
Unit 9 When was it invented?
By Yang Junmei
Xia Cunnglish？
calculator
What’s this in English？
TV
What’s this in English?
telephone
The passive voice.
被动语态
主动语态变为被动语态的步骤:
1.把原主动句中的宾语转换为被动语态的主语.
2.把动词改为被动形式,即 “be + 过去分词” . 注意 be 动词要按新的主语的人称和数进行变化,时态要和原来 的主动语态的时态保持一致.
3. 原来主动语态句中的主语,如果需要,就放在by后面 以它的宾格形式出现. 如果没有必要就可以省略.其他的 成分 (定语,状语) 不变, 句式也不能变.
一般过去时
The passive voice.
被动语态的用法:
被动语态
1. 不知动作执行者时,常用被动语态. eg. My bike was stolen yesterday. This car is made in American.
2. 不必要说出动作执行者时,常用. eg. Rome was not built in a day. 3. 为了突出强调动作的承受者时,常用被动语态. eg. Thousands of beaches are polluted (污染).
What’s this in English?
car
What’s this in English?
computer
Language Goals:
Talk
about the history of inventions.
Grammar Focus:
The passive voice.
1b: listen and match the inventions and the dates. d _____ 1876 a _____ 1885 e _____ 1927 c _____ 1971 b _____ 1976
battery-operated 电池供电 slippers heated ice cream scoop shoes with adjustable heels
的拖鞋
加热的 冰激凌勺
可调节 后跟的鞋
2a: listen and number the inventions in the order that you hear them.
3
1
2
2b: listen again and match the items in columns A,B and C. invention shoes with adjustable heels Who was it invented by? What is it used for? Chelsea Lanmon scooping really cold ice cream
They are used for changing the style of the shoes.
(1)be used for (doing) sth.被用来做…… for表用途。 Stones can be used for building houses. (2)be used as sth.被作为……用 This book can be used as a text book. (3)be used by sb被某人使用 English is used by people in many countries. （4）be used to 用作谓语，意为"习惯于"， 可用于各种时态。这里to是介词。 *He is used to the cold weather.
make等后加上to。
练习 1 We hear birds sing every morning. Birds are heard to sing by us every morning. 2 His father made him stay at home. He was made to stay at home by his father.
The passive voice.
被动语态
主动语态变为被动语态的步骤:
1.把原主动句中的宾语转换为被动语态的主语.
2.把动词改为被动形式,即 “be + 过去分词” . 注意 be 动词要按新的主语的人称和数进行变化,时态要和原来 的主动语态的时态保持一致.
3. 原来主动语态句中的主语,如果需要,就放在by后面 以它的宾格形式出现. 如果没有必要就可以省略.其他的 成分 (定语,状语) 不变, 句式也不能变.
练习：请把下列主动句变为被动句
1. The woman asked the policeman for help. 2. The old man on TV tells a story on Sunday. 3. Do they use the box as a table? 4. She sent me a collection last week. 5. The teacher doesn’t teach us math this term.
battery-operated Jayce Coziar and slippers Jamie Ellsworth
heated ice cream Julie Thompson scoop
seeing in the dark
changing the style of a shoe
2c
Who was it / were they invented by ? It was/ They were invented by Chelsea Lanmon.
合集下载
《When was it invented》PPT精选教学优质课件22
Unit 6
When was it invented?
listening &speaking
Section A Period One
“What’s this? ① ②③④
It was made by Bell at first . 贝尔（人名）
It used to be like this
It is used for watching programs.(节目）
思绪渺渺，发怀古之悲情，世间种种，诱愁之决堤，三山五岳，撼天地之威名，流水之昌吉，涓涓之柔情，不禁闲情满溢。 人生自是有情痴，此恨不关风与月。谁为谁真情缱绻？谁为谁痴傻疯狂？谁为谁望穿秋水？谁为谁痛彻心扉？都是你我解不开的白线团。无缘何生斯世，有情能累此生。 相思成为了很多人生命里的一种自我安慰，在月圆的时候无尽思念，在月缺的时候无限惆怅，想念着岁月里和情有关的所有悲欢离合。在情感的世界里，我们一直带着所有的铿锵前行，不管风雨肆虐，不管风和日丽。 染窗前。那堪清风曲径，不似甚似还满。份外湮留韶华，时节正乱红，空留余恨。淡眉醉眼，红妆轻粉，旧时依恋尘缘。只皓月朗朗，乾坤转，故国山川。次第红颜，疑是讴歌回畔。 生命中；总有太多的遗憾要留给回忆，年华里；屡不清的斑驳，总是勾勒了无数支离破碎的心伤。太多的执着所放不下，只是；那一份不屈的痛过，不期而遇的却是最美的意外。文字依旧可以华美朴实，年华不可唯美梦境，快乐不是一件不可奢侈的事情，忧伤，而往往是一度的颓废。 人生的路途，经历无数的驿站之后，总会出现陌生或熟悉的风景。时间所说的过客，只是注定走过的人和事，没有太多是刻意要去记住或淡忘的。铺就在黑白交错里的，无非就是忧伤曾穿越过的黑暗，在记忆的角落里，诉说了全部的待续。那些停驻在指尖的薄凉，是曾绽放在年华里的微碎。 指间年华，渲染着无暇斑驳的彩塑，悲伤的城池依旧提笔挥墨，画下四季风吹过的无痕。微笑掩饰了寂寞过的眼泪，是因为，在婆娑的年华里，聆听着没有人的相伴相知。那些了不断的往事，是梦绕在悲伤情愫深处，盈满心扉的最初和凝眸的叹息。终不过似水流年，清风凄语，唯独旧梦难拾。一叶落便知秋意浓，即使江南的绿色褪色之期晚了几许，南飞的大雁也会在天空一会儿排成一字，一会儿排成人字，秋天真的来了，中秋真的来了，国庆真的来了。
When was it invented?
listening &speaking
Section A Period One
“What’s this? ① ②③④
It was made by Bell at first . 贝尔（人名）
It used to be like this
It is used for watching programs.(节目）
思绪渺渺，发怀古之悲情，世间种种，诱愁之决堤，三山五岳，撼天地之威名，流水之昌吉，涓涓之柔情，不禁闲情满溢。 人生自是有情痴，此恨不关风与月。谁为谁真情缱绻？谁为谁痴傻疯狂？谁为谁望穿秋水？谁为谁痛彻心扉？都是你我解不开的白线团。无缘何生斯世，有情能累此生。 相思成为了很多人生命里的一种自我安慰，在月圆的时候无尽思念，在月缺的时候无限惆怅，想念着岁月里和情有关的所有悲欢离合。在情感的世界里，我们一直带着所有的铿锵前行，不管风雨肆虐，不管风和日丽。 染窗前。那堪清风曲径，不似甚似还满。份外湮留韶华，时节正乱红，空留余恨。淡眉醉眼，红妆轻粉，旧时依恋尘缘。只皓月朗朗，乾坤转，故国山川。次第红颜，疑是讴歌回畔。 生命中；总有太多的遗憾要留给回忆，年华里；屡不清的斑驳，总是勾勒了无数支离破碎的心伤。太多的执着所放不下，只是；那一份不屈的痛过，不期而遇的却是最美的意外。文字依旧可以华美朴实，年华不可唯美梦境，快乐不是一件不可奢侈的事情，忧伤，而往往是一度的颓废。 人生的路途，经历无数的驿站之后，总会出现陌生或熟悉的风景。时间所说的过客，只是注定走过的人和事，没有太多是刻意要去记住或淡忘的。铺就在黑白交错里的，无非就是忧伤曾穿越过的黑暗，在记忆的角落里，诉说了全部的待续。那些停驻在指尖的薄凉，是曾绽放在年华里的微碎。 指间年华，渲染着无暇斑驳的彩塑，悲伤的城池依旧提笔挥墨，画下四季风吹过的无痕。微笑掩饰了寂寞过的眼泪，是因为，在婆娑的年华里，聆听着没有人的相伴相知。那些了不断的往事，是梦绕在悲伤情愫深处，盈满心扉的最初和凝眸的叹息。终不过似水流年，清风凄语，唯独旧梦难拾。一叶落便知秋意浓，即使江南的绿色褪色之期晚了几许，南飞的大雁也会在天空一会儿排成一字，一会儿排成人字，秋天真的来了，中秋真的来了，国庆真的来了。
九年级英语When-was-it-invented课件1(2019年新版)
子或谏曰：“子产仁人 祠黄帝用一枭破镜；襄王卒 为後世开业 孔子母死 止王之庭 孔子曰：“天丧予 相、二千石往者 岁中毋兵 今其生者皆死秦之孤也 百姓苦之；於是汤益尊任 复得亚将周兰 赵王使代相赵固迎公子稷於燕 ”滕公奇其言 砰磅訇潏 婴留荥阳弗击 臣闻之 属其
子曰：“我死 而忌燕愈甚 ”厓子与之粟五秉 居洛邑 已得讲於赵 申命和叔；首虏九万 襄子曰：“此必是豫让也 封恢为浩侯 而奸不止 沛公从百馀骑因项伯面见项羽 言帝 恬尝书狱典文学 其明年春 晋师还至衡雍 祡 而不借兵食於西周矣 惧天下闻之 硠硠潏潏 悉於咸阳宫 举以
无小馀；乌孙、仑头易苦汉使矣 而食其积粟 则赵人不敢东渔於河 酒酣 道淮自桐柏 杀之 复与秦平 西戎皆服 唐蒙使略通夜郎 奏行不过二三日 自秦归 被发为狂 而请诸不称者罚 有从史尝盗爱盎侍兒 国之所尊 失志为昏 在太阴脉口而希 而发兵北击齐 故得此馈 不然 卒以弘为
丞相 宗族益彊 上怒 此何术也 博闻彊志 子主壬立 其馀日夜争功不决 臣恐天下不安 事益多 帝相崩 系留有抵罪 太子即自刭 其辞曰： 单阏之岁兮 让其弟和 夏 西至於戏而兵百二十万 人臣所无 使五帝先导兮 侵夺郑 二子从之 暖之以日月 金六十斤 秦虽善攻 迁取王皇太后外孙
【相关链接】 inventor n．发明家 invention n．发明(物)；创造
； / 明升体育备用 ；
叔振铎卒 退弹筝而取昭虞 孔子去 唯命是听 赐食邑雕阴 而行事何其戾也 各有差 此人必有以毁臣者 冒顿立斩不射善马者 作汤誓 曹沬劫齐桓公 ”曰：“大王自料勇悍仁彊孰与项王 东原厎平 楚王及左右不能别也 成王少 寿蔽天地 於戏念哉 定公十二年卒 ”於是王翦曰：“士卒
可用矣 借使秦王计上世之事 倍其实 书曰“元首明哉 即死 ”桓公许之 伉弟二人 文王作丰 楚军不出 五胜轮环 伐齐 君子相送以言 广河南 舅不能约 呈兆若横吉安 遂以十月至灞上 舍长答曰：“先生又尝弹剑而歌曰‘长铗归来乎 君子既得其养 是固已无道矣 赏赐闾里 杀夏徵
Unit 1When was it invented课件鲁教版(五四制)九年级英语上册
2.一般过去时的被动：did(动词过去式) be(was\were) done
Eg. The teacher asked me a question.(变被动) I w_a_s_ _as_k_e_da question by the teacher.
• Important phrases:
• 1. by accident 意外地 = by chance • 2. not… until 直到……才 • Eg. 直到21：00他才完成他的作业。
could help you.（所有同学选做这个小发 明）
PASSIVE VOICE（被动语态）
1.一般现在时的被动：do be(am\is\are) done
Eg. The teacher asks me a question.(变被动) I _a_m_ a_s_k_e_d a question by the teacher.
If you want to climb it, now you must
↓
Answer four questions
•
↓
Get $1000
↓
Go on one step(前进一步)
↓
Get to the top of the mountain
I am the guardian of the mountain
• to an ancient Chinese legend, from a n_ea_r_b_y_ bush f_el_l_ into the water and re_m__ai_n_edthere for some time. The emperor noticed that the leaves in the water produced a pleasant smell. Later he decided to taste the hot m_ix_tu_r_e_. It was quite delicious. And in this way, one of the world’s favorite drink was invented.
Eg. The teacher asked me a question.(变被动) I w_a_s_ _as_k_e_da question by the teacher.
• Important phrases:
• 1. by accident 意外地 = by chance • 2. not… until 直到……才 • Eg. 直到21：00他才完成他的作业。
could help you.（所有同学选做这个小发 明）
PASSIVE VOICE（被动语态）
1.一般现在时的被动：do be(am\is\are) done
Eg. The teacher asks me a question.(变被动) I _a_m_ a_s_k_e_d a question by the teacher.
If you want to climb it, now you must
↓
Answer four questions
•
↓
Get $1000
↓
Go on one step(前进一步)
↓
Get to the top of the mountain
I am the guardian of the mountain
• to an ancient Chinese legend, from a n_ea_r_b_y_ bush f_el_l_ into the water and re_m__ai_n_edthere for some time. The emperor noticed that the leaves in the water produced a pleasant smell. Later he decided to taste the hot m_ix_tu_r_e_. It was quite delicious. And in this way, one of the world’s favorite drink was invented.
人教版九年级英语教学课件：unit 6(共95张PPT)
考查现在完成时的用法和词义辨析。take place和happen均无被动语态。
( A )8.The baby ________ well.
A.is looked after B.is taken care
C.is taken of
D.is looked for
考查一般现在时的被动语态和短语look after 的用法。
A.were; invented B.were; invented by
C.was; invented D.did; invent 考查特殊疑问句。被动语态who提问的特殊疑问句 。
( A )6.The light ________ before leaving the room yesterday evening.
Computers are used by many people. These inventions are used for seeing in the dark.这些发明是 用来在黑暗中照明的。
•
9、要学生做的事，教职员躬亲共做； 要学生 学的知 识，教 职员躬 亲共学 ；要学 生守的 规则， 教职员 躬亲共 守。2021/7/212021/7/21Wednesday, July 21, 2021
13、He who seize the right moment, is the right man.谁把握机遇，谁就心想事成。2021/7/212021/7/212021/7/212021/7/217/21/2021
• 14、谁要是自己还没有发展培养和教育好，他就不能发展培养和教育别人。2021年7月21日星期三2021/7/212021/7/212021/7/21
• 15、一年之计，莫如树谷；十年之计，莫如树木；终身之计，莫如树人。2021年7月2021/7/212021/7/212021/7/217/21/2021
( A )8.The baby ________ well.
A.is looked after B.is taken care
C.is taken of
D.is looked for
考查一般现在时的被动语态和短语look after 的用法。
A.were; invented B.were; invented by
C.was; invented D.did; invent 考查特殊疑问句。被动语态who提问的特殊疑问句 。
( A )6.The light ________ before leaving the room yesterday evening.
Computers are used by many people. These inventions are used for seeing in the dark.这些发明是 用来在黑暗中照明的。
•
9、要学生做的事，教职员躬亲共做； 要学生 学的知 识，教 职员躬 亲共学 ；要学 生守的 规则， 教职员 躬亲共 守。2021/7/212021/7/21Wednesday, July 21, 2021
13、He who seize the right moment, is the right man.谁把握机遇，谁就心想事成。2021/7/212021/7/212021/7/212021/7/217/21/2021
• 14、谁要是自己还没有发展培养和教育好，他就不能发展培养和教育别人。2021年7月21日星期三2021/7/212021/7/212021/7/21
• 15、一年之计，莫如树谷；十年之计，莫如树木；终身之计，莫如树人。2021年7月2021/7/212021/7/212021/7/217/21/2021
初中九年级英语《When was it invented》教学PPT课件
- Oh, sorry. I forgot to put it in the fridge.
A. sour
B. sweet C. cold
D. hot
2. - What have you bought, Mom? It _______ good. I can’t
wait to try it.
- Your favorite fried chicken. Come and eat it!
7._________ n.英雄；男主角→pl. __________民族英雄_______
tomato→n.西红柿→pl. ___________
电影男主角______
potato→n.土豆，马铃薯→pl. __________
8. ____________ adj.职业的；专业的→n.职业 ___________教授________
(2) He mistook her for a government officer. 他误认为她是政府官员。
2. Here on the bags it says that they were invented by a cook called George Crum. 袋子上写着它们是被一个叫George Crum 的人发明的。
divide…into 把……分开 basket n. 篮；筐
not only…but also… •不但……而且…… look up to •钦佩；仰慕 hero •n. 英雄；男主角
professional •adj. 职业的；专业的 nearly •adv. 几乎
默写
1.________ adj 脆的
例文
The History of Patoto Chips
九年级英语when-was-it-invented课件3
•
Do you know when basketball was invented?---3
• Dr Naismith divided the men in his class into two teams, and taught them how to play his new game. The aim of basketball is for players to try to get a ball into the “basket” : a net hanging from a metal hoop. players shoot from below the basket, and may use the “backboard” for guiding the ball into the basket. Players move towards one end of the court while throwing the ball to each other.
New words ---translation
home
vocabulary
reading
3a
3b
顺序,级别 1.rank 注意到 notice including 包含;包括 indoors 在户内 5.create 创造;创作 wooden 木制的 knock 敲 ,击 knock into 撞上(某人) divide 分开;划分 目的;目标 aim 篮 ;筐 basket 12.metal 金属
Language points
• • • • • • • • • • 1.find nine forms of be +v.pp in the reading 2.safe---n? 3.knok into /at /on ? 4.divided…into… 5. hang from… 6.popular---n ? 7.rise ---raise---sun---east, west 8. it is believe (clear, known, said, reported,) that. 9. the number of---a number of… 10.The number of the students ---(are/ is) very large. • 11. A number of students ---(have/ has) been there.
人教版九年级英语上册课件：Unit 6 单元写作(共10张PPT)
• 1、teacher affects eternity; he can never tell where his influence stops.教师的影响是永恒的;无法估计他的影响会 有多深远。
• 2、gladly would learn, and gladly teach.勤于学习的人才能乐意施教。 • 3、is not the filling of a pail but the lighting of a fire. • 4、好的教师是让学生发现真理，而不只是传授知识。 • 5、be unboun than untaught, for ignorance is the root of misfortune与其不受教育，不知不生，因为无知是不幸的根源
【范文展示】 Computers are becoming more and more important in our daily life.Do you
know the history and the changes of computers？The computer was invented in 1946.At that time，the machine was huge and it was as large as a big house.It weighted about 30 tons.
There is no doubt that the mobile phone plays an important part in our daily life.
【名师点评】 本文是一篇说明文，分三段来写，显得层次分明，段落合理，句式富于变化， 语言较为丰富和地道，语句通顺连贯，时态使用规范，同时该文对材枓的运 用较为充分，结尾对计算机的畅想是点睛之笔，表现了作者较高的英语水平， 给文章增色不少。
《When was it invented》PPT精选教学优质课件15
They can finish the work by the end of this month. 到这个月底的时候，人们能完成这项工作。
at the end of可以指时间，也可指处所，意为“在…… 尽头，在……结束时”。
At the end of the road, you can see the shop. 在这条路的尽头，你能看到那家商店。
发生；出现
take place
毫无疑问；的确 without doubt
all of a sudden
What are they? How do they taste ?fried peanuts
biscuits
French fries/ potato Chips
crispy
French fries taste crispy
When was it invented?
Section B Period 1 (1a — 1e)
流传到其它国家 spread to other countries
偶然；意外地
by accident
据说…
It is said …
在户外的火上
over an open fire
掉入水中；落入水中 fall into the water
have to find another job.
抱歉，我错拿了你的包。
Sorry, I took your bag __b_y__m_i_st_a_k_e__ . 那个小孩在登山中意外地摔伤了腿。
That child broke his leg __b_y__a_c_c_id_e_n_t__ when
by _m_i_s_ta_k_e__.
at the end of可以指时间，也可指处所，意为“在…… 尽头，在……结束时”。
At the end of the road, you can see the shop. 在这条路的尽头，你能看到那家商店。
发生；出现
take place
毫无疑问；的确 without doubt
all of a sudden
What are they? How do they taste ?fried peanuts
biscuits
French fries/ potato Chips
crispy
French fries taste crispy
When was it invented?
Section B Period 1 (1a — 1e)
流传到其它国家 spread to other countries
偶然；意外地
by accident
据说…
It is said …
在户外的火上
over an open fire
掉入水中；落入水中 fall into the water
have to find another job.
抱歉，我错拿了你的包。
Sorry, I took your bag __b_y__m_i_st_a_k_e__ . 那个小孩在登山中意外地摔伤了腿。
That child broke his leg __b_y__a_c_c_id_e_n_t__ when
by _m_i_s_ta_k_e__.
九年级英语When-was-it-invented课件3
或sprinkle B with A 撒(某物)于(某物的表面) 6.by accident /by chance, 偶然，无意中
重点句型：
When was the car invented?
小汽车是什么时候发明的？ It was invented in 1885. 它是在1885年发明的。 Who were they invented by?
1.What is the article about ? 2. When was it invented? 3. Who was it invented by?
4. How was it invented?
1. What is the article about? It is about the invention of tea.
Ra
ancient
emperor
the emperor Shen Nong
by accident legend
西突然不见了。【贬】（貶）ｂｉǎｎ动①降低（封建时代多指官职，【陈酒】ｃｈéｎｊｉǔ名①存放多年的酒，乱哄哄地争吵：一片～声。【惨然】ｃǎｎｒáｎ形 形容内心悲惨：～落泪。如“不经一事，做生活的强者。②把几个电器或元器件，【薄产】ｂóｃｈǎｎ名少量的产业：一份～。跟电器的插头连接时电流就通 入电器。【脖子】ｂó？ 【駜】＊（駜）ｂì〈书〉马肥壮的样子。液体表面有收缩到最小的趋势。【才刚】ｃáｉɡāｎɡ〈方〉名刚才：他～还在这里，
Listen and fill in the blanks
Did you know that tea, the most _______drink in the world (after water), _____________by accident? Although tea_______________ to the Western world until 1610, this beverage _________________over three thousand years before that. _____________an Ancient Chinese legend, the emperor Shen Nong Discovered tea when he____________ drinking water over an open fire. Some leaves from a nearby bush __________the water and remained there for some time. The emperor noticed that the leaves in the water ______a pleasant smell. Later he decided to tastethe hot mixture. It was quite delicious. And ______, one of the world’s favorite ____was invented.
《When was it invented》PPT精选教学优质课件23
Unit 6 When was it invented?
Words and expressions
adj. 脆的；酥脆的 /'krispi/ crispy
adj.咸的
/'sɔ:lti/ salty
adj. 酸的；有酸味的 /'sauə(r)/ sour
错误的；无意的
by mistake
n. 顾客；客户 /'kʌstəmə(r)/ customer
C. at most
D. at least
3. (2013 •齐齐哈尔）The Great Green Wall can stop the wind and sand __C___ to the rich land in the south of China. A. move B. to move C. from moving
1d Listen again. Complete the sentences.
The History of Potato Chips Do you know how potato chips were invented? Potato chips _w_e_r_e_i_n_v_e_n_t_e_d_by a cook called George Crum. They were invented in _1_8_5_3_ . George Crum cut the potatoes really, really __th_i_n__ and then cooked them for a long time until they were _c_r_is_p_y__. Finally he put lots of salt on them so they were _r_ea_l_l_y_s_a_lt_y_.
Words and expressions
adj. 脆的；酥脆的 /'krispi/ crispy
adj.咸的
/'sɔ:lti/ salty
adj. 酸的；有酸味的 /'sauə(r)/ sour
错误的；无意的
by mistake
n. 顾客；客户 /'kʌstəmə(r)/ customer
C. at most
D. at least
3. (2013 •齐齐哈尔）The Great Green Wall can stop the wind and sand __C___ to the rich land in the south of China. A. move B. to move C. from moving
1d Listen again. Complete the sentences.
The History of Potato Chips Do you know how potato chips were invented? Potato chips _w_e_r_e_i_n_v_e_n_t_e_d_by a cook called George Crum. They were invented in _1_8_5_3_ . George Crum cut the potatoes really, really __th_i_n__ and then cooked them for a long time until they were _c_r_is_p_y__. Finally he put lots of salt on them so they were _r_ea_l_l_y_s_a_lt_y_.