人教版九年级全册Unit 6 When was it invented教案

Unit 6
第一课时 Section A（1a-2d）
一、教学目标
1.知识目标
（1）单词：heel, scoop, electricity, style, project, pleasure, zipper, daily, website, pioneer, list, mention
（2）短语：be used for, with pleasure, in our daily lives, have a point, at that time
（3）句型：—When was … invented
—I think it was invented in…
—What is/are…used for
—It is/They are used for...
2.能力目标
(1)听并用被动语态谈论重要的发明及其历史和用途;
(2)学会运用被动语态谈论发明物的历史，描述物品的用途。
3.情感目标
通过学习了解人类历史上的部分重要发明，培养爱科学、学科学的思想。
二、重点难点
1.教学重点：口头掌握本课核心句型
When was thetelephone invented？ It was invented in 1876
2.教学难点：运用一般过去时的被动语态来讨论某件物品的发明时间及用途。
三、教学准备
PPT课件, 录音
4、教学方法
任务型教学法、情境交际法、自主学习法与合作学习相结合。
5、教学过程
Step 1 Lead-in
1. First, show the students some pictures about four great inventions of ancient China.
Step 2 Work on 1a
Look at the things below. In what order do you think they were invented Discuss them with your group. Then number them [1-4](1=first, 4=last).
Answers: 4 2 1 3
Step 3 Pair work
Talk about with your partner.
A: I think the TV was invented before the car.
B: Well, I think the TV was invented after the car.
A: I think the calculator was invented before the computer.
B: Well, I think the calculator was invented after the computer.
Step 4 Listening
1. Listen and match the inventions with the years.
Answers: d a c b
2. Listen again and underline the sentences with passive voice. Pay attention to their structure: was /were+及物动词的过去分词.
Step 5 Pair work
Work on 1c.
Student B, cover the dates. Student A, ask Student B when the things in the picture in 1b were invented. Then change roles and practice again.
A: When was the telephone invented
B: I think it was invented in 1876.
Step 6 Listening
1. Listen and number the inventions[1-3] in the order you hear them.
Check the answers.
Answers: 3 1 2
2. Listen again and complete the chart below.
Inventions What is it / are they used for
shoes with special heels ______the style of the shoes
shoes with lights seeing __________
hot ice-cream scoop _________really cold ice-cream
Answers: changing; in the dark; serving
Step 7 Pair work
Make conversations using the information in 2b.
A: What are the shoes with lights used for
B: They’re used for seeing in the dark.
Step 8 Role-play the conversation
1. Show the students a picture and ask:
What’s this
(Zipper. )
Where can you see it
(Pants, trousers, bags, backpacks, shoes, suitcases, etc. )
Role-play the conversation.
2. Read the passage quickly and answer the questions.
(1)Who invented the zipper
(2)When was the zipper invented
(3)When was it used widely
Check the answers one by one.
Answers:
(1) It was invented by Whitcomb Judson.
(2) It was invented in 1893.
(3) It was used widely around 1917.
3. Role-play the conversation.
(1)Read the dialogue aloud for a few minutes by yourself.
(2)Role-play in groups.
(3) Role-play in front of the class.
5. Show the students some pictures about some crazy inventions.
Homework
1. Preview the passage in 3a.
2. Look up some information about some famous inventions.
Board Design
UNIT 6 When was it invented Section A (1a—2d)
单词：heel scoop electricity style project pleasure zipper daily website pioneer list mention 短语：be used for with pleasure in our daily lives have a point at that time 句型：—When was … invented —I think it was invented in…—What is/are…used for —It is/They are used for...
课堂达标
Ⅰ. 根据句意及汉语提示完成单词。
1. The clothes in that store are in different ________ (样式)．
2. Please try this________(网站)．I think it’s fantastic for beginners.
3. You’d better make a _______(清单) before shopping to save time.
4. Dr. Wilson, could you please give a brief introduction about your _______ (项目)
5. Mr. Black told me not to ________ (提到) that bad news at the meeting.
Ⅱ. 单项选择。
1. This kind of cup is used ________ drinking.
A. to B. as C. by D. for
2. My mother and my sister kept on talking, but my father ________ silent all the time.
A. got B. kept C. turned D. looked
3. I think the short story _______ by Lu Xun.
A. is writing B. wrote
C. written D. was written
4. —Who _______ the electric light lamp _______ —Edison.
A. was; invented B. is; invented
C. was; invented by D. did; invented by
III. 句型转换。
1. The personal computer was invented in 1976. (就画线部分提问)
_______ _______ the personal computer _______
2. The shoes with lights were invented by Julie Thompson. (就画线部分提问)
_______ _______ the shoes with lights _______ ______
答案：Ⅰ. 1. styles 2. website 3. list 4. project 5. mention
Ⅱ. 1. D 2. B 3. D 4. C
III. 1. When was, invented 2. Who were, invented by
第二课时 Section A（3a-4c）
一、教学目标
1.知识目标
（1）单词：accidental, ruler, boil, remain, smell, saint, national, trade, popularity, doubt, fridge, low, somebody, translate, lock, ring, earthquake, sudden, bell, biscuit, cookie, musical, instrument
（2）短语：by accident, take place, without doubt, all of a sudden
（3）句型：①Many people believe that tea was first drunk about 5,000 years ago.
②It is said that a Chinese ruler called Shen Nong was the first to discover tea as a drink.
③In England, tea didn’t appear until around 1660...
2. 能力目标
(1)了解茶的发明及传播;
(2)掌握一般过去时的被动语态的用法。
3.情感目标
了解中国传统文化，培养学生的民族自豪感。
二、重点难点
1.教学重点：(1)本课时的单词、短语和句型;
(2)一般过去时的被动语态。
2.教学难点：(1)本课时的单词、短语和句型;
(2)一般过去时的被动语态。
三、教学准备
PPT课件, 录音
4、教学方法
任务型教学法、情境交际法、自主学习法与合作学习相结合。
五、教学过程
Step 1 Lead-in
Play a short video for the students to learn about Chinese tea.
Step 2 Reading
Fast reading
.Skim the passage and then answer the questions.
(1)When was tea invented
(2)Who invented tea
(3)How was it invented
The answers are :
(1) About 5,000 years ago.
(2) It was invented by a Chinese ruler called Shen Nong．
(3) It was invented by accident.
Careful reading
1. Read and choose the right answers.
(1) What is the passage about
A. What tea is. B. Where tea comes from.
C. How tea was invented. D. How a cup of tea is made.
(2) Tea wasn’t invented by accident, was it
A. Yes, it wasn’t. B. Yes, it did.
C. No, it wasn’t. D. Yes, it was.
(3) When did tea appear in England
A. Around 1660. B. Around 1670.
C. Around 1760. D. Around 1770.
(4) Where was tea invented
A. In China. B. In Singapore.
C. In England. D. We don’t know.
The answers are: (1)—(4) C D A A
Post reading
Task 1 ----work on 3b
Read the passage again and answer the questions.
(1)When was tea first drunk
(2) How was tea invented
(3) Who is called “the saint of tea”
(4)What is Cha Jing about
(5) When was tea brought to other countries
The answers are:
(1)It was first drunk about 5,000 years ago.
(2) Some leaves from a tea plant fell into the boiling water when Shen Nong was boiling drinking water over an open fire. It produced a nice smell and tasted delicious.
(3)Lu Yu is called “the saint of tea”.
(4)It describes how tea plants were grown and used to make tea.
(5) It was brought to Korea and Japan during the 6th and 7th centuries and to England around 1660.
Task 2---Work on 3c.
Complete the sentences with the correct forms of the verbs in the box.
invent drink bring produce trade
1. One of the world’s favorite drinks was _________ by accident.
2. Tea was first ________ by Shen Nong about 5,000 years ago.
3. A nice smell was _________ when the tea leaves dropped into the hot water.
4. Tea was ________ to Korea and Japan during the 6th and 7th centuries.
5. Tea is now _______ between many different countries.
The answers are: 1. invented 2. drunk 3. produced 4. brought 5. Traded
Step 3　Grammar Focus
一般过去时的被动语态的构成：was / were+及物动词的过去分词。
一般过去时的被动语态的句型:
肯定句: 主语 + was/were +及物动词的过去分词(+by…).
否定句: 主语 + was/were + not +及物动词的过去分词(+by…).
一般疑问句: Was/Were + 主语 +及物动词的过去分词(+by…)
特殊疑问句: 疑问词 + was/were + 主语 +及物动词的过去分词(+by...)
【拓展】
(1) “不及物动词+介词/副词”构成的短语动词，变为被动句时，要把它们作为整体看待，介词或副词不可与其动词拆开或漏掉。
(2)含有双宾语的主动句变被动句时，可将主动句中的直接宾语或间接宾语变为被动句中的主语。如果把主动句中的直接宾语(指物)变为被动句中的主语，则需在间接宾语(指人)前加适当的介词to或for。
如:
主动结构：
Danny gave me a ticket just now.
刚才丹尼给了我一张票。
被动结构：
A ticket was given to me by Danny just now. (直接宾语作主语)
I was given a ticket by Danny just now. (间接宾语作主语)
(3)有些动词常用其主动形式表示被动意义，如sell, wash, write等和表示感觉、知觉的系动词feel, sound, taste, smell等。
(4)在主动句中, 使役动词(如make等)和感官动词(如see, watch, notice, hear等)后面常接不带to的动词不定式作宾语补足语; 但在被动句中，这些词后面的动词不定式都需要带to。如：
The boss made us work for ten hours today. 今天老板让我们工作了10个小时。
→We were made to work for ten hours today by the boss.
Mom heard Ben sing in the next room. 妈妈听到本在隔壁房间唱歌了。
→Ben was heard to sing in the next room by Mom.
【助记】感官动词
一感二听三让四看
主动句中to 离开，被动句中to回来
Step 4 Practice---Work on 4a.
Rewrite the sentences using the passive voice.
1. They sold the fridge at a low price.
_______________________________
2. Somebody stole my camera from my hotel room.
_________________________________
3. Where did you take these photos
__________________________________
4. Our parents advised us not to go out alone.
__________________________________
5. Different writers translated the book into different languages.
__________________________________
The answers are:
1. The fridge was sold at a low price.
2. My camera was stolen from my hotel room.
3. Where were these photos taken
4. We were advised by our parents not to go out alone.
5. The book was translated into different languages by different writers.
Work on 4b.
Complete the sentences with the correct forms of the verbs in the box.
eat　like　invite　tell　lock　ring　break　bring
1. You ____________ to the party last night, weren’t you Why didn’t you go
2. The earthquake happened all of a sudden, but luckily the villagers ________ to a safe place.
3. The door __________ when we arrived, so we ________ the bell.
4. The students _________ not to eat or drink in class, but Ruby ________ the rule when she started eating a biscuit in science class.
5. The cookies __________ by the hungry kids in less than 20 minutes, and they really ________ them.
The answers are:
1. were invited 2. were brought 3. was locked; rang 4. were told; broke
5. were eaten; liked
Work on 4c.
Decide whether active or passive forms should be used in these sentences. Write the correct forms in the blanks.
The telephone ________ (invent) by Alexander Graham Bell. He ________ (born) in 1847. Mr. Bell ________ (work) on the invention of the telephone with Thomas Watson. In 1875, Mr. Bell ________ (learn) how to send musical notes through an instrument similar to a telephone. Finally, the telephone ________ (invent) in 1876. The first sentence that ________ (say) on the telephone by Mr. Bell was “Mr. Watson, come here; I want to see you. ” Today the telephone ________ (use) around the world.
The answers are: was invented; was born; worked; learned; was invented; was said; is used
Step 5 Language points
1. It is said that a Chinese ruler called Shen Nong was the first to discover tea as a drink. 据说一位叫作神农的中国统治者最早发现了茶可以饮用。
the first to do sth. 第一个做……的人
It is said that…据说……(that后接完整的句子)
【拓展】
It is believed that... 人们认为……，人们相信……
It is known that... 众所周知……
It is reported that... 据报道……
2. Some leaves from a tea plant fell into the water and remained there for some time. 一些叶子从茶树上落入水里并在里面停留了一段时间。
remain
(1) v.某人或某事物仍保持某种状态
He remained silent. 他保持沉默。
It remains a secret. 这仍然是个秘密。
(2) v.剩下；剩余；遗留
After the flood, nothing remained of the village. 洪水过后，村庄荡然无存。
3. The tea trade from China to Western countries took place in the 19th century.
从中国到西方国家的茶叶贸易始于19世纪。
take place发生；出现
Great changes have taken place in our hometown during the past ten years.
在过去的十年里,我们家乡发生了巨大的变化。
The meeting will take place soon. 会议即将举行。
Homework
1. Review the passage and the grammar we have learnt today.
2. Preview 1a—1e on page 45.
Board Design
UNIT 6 When was it invented Section A (3a—4c)
1. It is said that... 为固定句型,意为“据说……;有人说……”。类似句式: It is believed that... 人们认为……,人们相信……It is known that... 众所周知……It is reported that... 据报道……2. fall构成的常见短语: fall into 落入fall down 跌倒fall behind 落后fall in love with sb.爱上某人fall asleep入睡 3. 一般过去时的被动语态结构: was/ were+及物动词的过去分词。肯定句: 主语+was/were+及物动词的过去分词+其他.
课堂达标
Ⅰ. 用所给单词的适当形式填空。
1. Henry watched the milk until it ________ (boil) and then turned off the gas.
2. After the big earthquake, the ancient house ________ (remain) safe. It was amazing.
3. He is a basketball player and he started to play for the ________ (nation) team at 19.
4. The pyramids were built to protect the tombs (坟墓) of ________ (rule) or other important persons.
Ⅱ. 根据句意及所给汉语提示完成下列句子，每空词数不限。
1. Many houses ____________ (damage) by the earthquake and thousands of people were left homeless.
2. UNICEF(联合国儿童基金会) ____________ (set up) in 1946. It works to help children live a better life.
3. —Did Jack come to our party yesterday
—No, he _____________ (not invite).
4. —Who’s the baby in the photo
—It’s me. The photo ____________ (take) ten years ago.
5. Last weekend, Jack ___________ (invite) to a birthday party and he had a lot of fun.
6. Last month a new law ___________ (pass) in China to stop people from smoking in public places.
Ⅲ. 根据汉语意思完成句子，每空一词。
1. 2012年奥运会在英国伦敦举行。
The 2012 Olympic Games _______ _______ in London, UK.
2. 毫无疑问，阅读对我们有好处。
_______ _______, reading is good for us.
答案：Ⅰ. 1. boiled 2. remained 3. national 4. rulers
Ⅱ. 1. were damaged 2. was set up 3. wasn’t invited 4. was taken 5. was invited 6. was passed
Ⅲ. 1. took place 2. Without doubt
第三课时 Section B（1a-1e）
一、教学目标
1.知识目标
（1）单词：crispy , salty, sour, customer
（2）短语：by mistake, in the end
（3）句型：①Potato chips were invented by mistake.
②The customer thought the potatoes were not thin enough.
③Finally he put lots of salt on them so they were salty enough.
2.能力目标
(1)通过听说训练，了解薯条的发明历史；
(2)学会使用被动语态谈论薯条的发明历史。
3.情感目标
通过学习,了解中国的传统文化，培养民族自豪感。
二、重点难点
1.教学重点:本课时的重点单词、短语和句型。
2.教学难点:运用被动语态的相关句型谈论某种美食的发明。
三、教学准备
PPT课件, 录音
四、教学方法
任务型教学法、情境交际法、自主学习法与合作学习相结合。
五、教学过程
Step 1 Lead-in
Show the students some pictures and talk about the four basic kinds of tastes.
How do they taste
lemon : sour ice-cream: sweet coffee: bitter salt : salty
Get the students to name some food that are associated with the four tastes.
Step 2 Work on 1a—1b
The words in the box describe how food can taste. Write them under the correct pictures. Some pictures have more than one word.
_________ ____________ __________ ___________
_________ ____________ __________ ___________
Answers:
crispy sour sweet salty
salty fresh cold delicious
Write the name of a different food after each word.
Step 3 Listening
1. Listen and circle T for true or F or false.
(1)Potato chips were invented by mistake. T F
(2)They were invented in 1863. T F
(3)The customer thought the potatoes were not thin enough. T F
(4)The customer said they were not salty enough. T F
(5)George wanted to make the customer happy. T F
(6)The customer was happy in the end. T F
Answers: (1)T (2)F (3)T (4)F (5)F (6)T
2. Listen again and answer the questions.
(1)Who invented potato chips
(2)When were they invented
(3)What did the customer order at the restaurant
(4)What did the customer think of the potato chips George cooked at first
(5)How did George cook the potatoes then
Answers: (1)They were invented by a cook called George Crum.
(2)In 1853.
(3)He ordered a plate of fried potatoes.
(4)He thought they were cut too thick.
(5)He cut the potatoes really, really thin and cooked them for a long time until they were crispy. And he put lots of salt on them so they were really salty.
3. Listen again. Complete the sentences.
The History of Potato Chips
Do you know how potato chips were invented Potato chips ______ by a cook called George Crum. They were invented in ______.
George Crum cut the potatoes really, really ______ and then cooked them for a long time until they were ______. Finally he put lots of salt on them so they were ______________.
Answers: were invented; 1853; thin; crispy; really salty
Step 4 Role-play.
1. Read the dialogue aloud for a few minutes by yourself.
2. Role-play in groups.
3. Role-play in front of the class.
Homework
1. Preview the new words and expressions.
2. Preview the passage Do You Know When Basketball Was Invented on page 46.
Board Design
UNIT 6 When was it invented Section B (1a—1e)
单词：crispy salty sour customer 短语：by mistake in the end 句子：1. Potato chips were invented by mistake.2. The customer thought the potatoes were not thin enough. 3. Finally he put lots of salt on them so they were salty enough.
课堂达标
根据句意及首字母提示填空。
1. Laura added too much salt to the soup. Now it tastes too s .
2. The potato chips are thin and c . Please have a try.
3. Oranges taste sweet and a bit s and they are full of vitamin C.
4. The main purpose of the advertisement is making c spend money.
答案：1. salty 2. crispy 3. sour 4. customers
第四课时 Section B（2a-2e）
一、教学目标
1.知识目标
（1）单词：Canadian, divide, basket, hero, professional
（2）短语：the Olympics, divide... into，not only…but also…, the number of... , look up to
（3）句型：①... they need to stop the competing team from getting the ball into their own basket.
②Basketball has not only become a popular sport to play, but it has also become a popular sport to watch.
2.能力目标
学会使用被动语态介绍篮球的发展历史。
3.情感目标
培养学生热爱发明、造福人类的情感。
二、重点难点
1.教学重点:(1)了解篮球运动发明的有关历史；
(2)一般过去时的被动语态。
2.教学难点:构建思维导图
三、教学准备
PPT课件, 录音
4、教学方法
任务型教学法、情境交际法、自主学习法与合作学习相结合。
五、教学过程
Step 1 Lead-in
Play a short video of basketball for the students to enjoy.
Then talk about the basic equipment about basketball: basketball, basket, backboard, net, wooden floor.
Step 2 Reading
Fast reading
Task 1
Scan the passage and answer the following questions.
(1) Who is the inventor of basketball
(2) When and where did basketball become an Olympic event
Answers:
(1) James Naismith.
(2)In 1936 in Berlin.
Task 2
Read the passage quickly. What is the main idea of each paragraph
Para. 1 Introduction to basketball
Para. 2 How basketball was invented
Para. 3 The popularity of basketball today
Careful reading
Task 1
Read and tell True or False.
(1) Basketball is very popular in China. （ ）
(2) Basketball is played by over 100 million people in China. （ ）
(3) James Naismith was born in 1861. （ ）
(4) Basketball became an Olympic event in 1936. （ ）
(5) Few young people dream of becoming famous basketball players. （ ）
Check the answers one by one.
Answers: (1)—(5) T F T T F
Task 2
Complete the mind map with the information in the passage. What else can you add to the mind map
Answers:
Game: floor; two; the ball; basket
Development: Dr. James Naismith; December 21, 1891; Berlin; 1936; NBA; CBA
Popularity: more than 100 million; 200
Task 3
Use the mind map to summarize what you and your partner remember about the development of basketball. Use the following questions to help you.
1. Who invented basketball and how is it played
2. When was the first basketball game in history played
3. Why were the Berlin Olympics important for basketball
4. What are the professional basketball groups in America and China
5. How popular is basketball
Answers:
1. Dr. James Naismith invented basketball. There are two teams and players on the same team must work together to get the ball into the other team’s basket.
2. The first basketball game in history was played on December 21, 1891.
3. The Berlin Olympics was important because basketball became an Olympic event then.
4. The professional basketball groups are the NBA in America and the CBA in China.
5. Basketball is played by more than 100 million people in over 200 countries.
Step 3 Language points
1. divide作及物动词时，意为“分，划分，隔开”，divide…into…表示“把……分成……”。
Please divide the students into groups. 请把学生们分成组。
2. stop…from doing sth.阻止……做某事
We must stop him from going to swim in the river.
我们必须阻止他去河里游泳。
在主动语态中，stop…from doing sth. 中的from可以省略，但在被动语态中不能省略。
3. see sb. doing sth.看见某人正在做某事
When I pass the window I see him drawing a picture.
当我从窗户边经过时，我看到他正在画画。
see sb. do sth. 指看见某人做过某事或看见某人经常做某事
I often see him draw a picture. 我经常看到他画画。
4. not only…but also…不但……而且……
在句中常用来连接两个对等的成分，also可以省略。
She speaks Russian not only in class but (also) at home.
她在课堂上和家里都说俄语。
not only... but (also)... 用来连接并列主语时，谓语动词的单复数遵循“就近原则”，即与but (also)后的名词或代词的数保持一致。
Not only Zhou Xia but also her parents are fond of watching football matches.
不仅周霞而且她的父母也都喜欢看足球赛。
5. the number of...……的数量，后接可数名词复数，作主语时，谓语动词用单数形式。
The number of the students in our school is 2, 000.
我们学校的学生数量是2 000。
【拓展】a number of 许多……；大量的……，后接可数名词复数，作主语时，谓语动词用复数形式。
6. look up to意为“钦佩；仰慕；向上看”。
I look up to my father. He is a hero in my heart.
我敬佩我的父亲。他在我的心中是一名英雄。
When you look up to the sky on a fine night, you can see stars.
当你在一个晴朗的夜晚抬头看天空时,你可以看到星星。
Step 4 Practice
Translate the phrases into Chinese.
1. the number of …
a number of…
2. not only…but also…
3. look up to
4. stop sb. from doing sth.
5. divide … into...
6. see sb. doing/do sth.
Check the answers.
Answers:
1. ……的数量
许多……；大量的……
2.不但……而且……
3.向上看;钦佩
4.阻止某人做某事
5.把……分成……
6.看见某人正在做某事/看见某人做过/经常做某事
Homework
1. Write a short passage about the development of basketball.
2. Preview 3a—3b on P47—48.
Board Design
UNIT6 When was it invented Section B(2a—2e)
单词：Canadian divide basket hero professional短语：the Olympics divide... intonot only…but also… the number of... look up to 句子：(1)... they need to stop the competing team from getting the ball into their own basket. (2)Basketball has not only become a popular sport to play, but it has also become a popular sport to watch.
课堂达标
Ⅰ. 根据提示用合适的单词填空。
1. Mary is ________ (加拿大人), but she can speak Chinese well.
2. There are some tomatoes, potatoes and eggs in that _______ (筐).
3. There are many h　　　　　 in our life.
4. He wants to be a　　　　　 (职业的) basketball player.
Ⅱ. 根据汉语意思完成下列句子。
1. 这个女孩一直都很崇敬她的祖父。
The girl always __________ her grandfather.
2. 他怎么想就会怎么说，你阻止不了。
You can’t _____________ saying what he thinks.
3. 他梦想有朝一日成为一名著名小提琴家。
He ________ becoming a famous violinist one day.
4. 孩子们被老师分成了六组。
The children were __________ six groups by the teacher.
5. 自从上个月以来，图书馆里的书的数量增加了。
Since last month, _____________ the books in the library has increased.
答案： Ⅰ. 1. Canadian 2. basket 3. heroes 4. professional
Ⅱ. 1. looks up to 2. stop him from 3. dreams of 4. divided into
5. the number of
第五课时 Section B（3a-Self Check）
一、教学目标
1.知识目标
（1）单词：nearly
（2）短语：decide on, come up with
（3）句型：①This is because sometimes a few people may invent things which are nearly the same.
②It’s hard to tell who came up with the idea first.
2.能力目标
(1)熟练掌握被动语态的用法；
(2)学会使用被动语态介绍某项发明。
3.情感目标
培养学生热爱科学、勇于探索的精神。
二、重点难点
1.教学重点:(1)用英语介绍某一项发明；(2)一般过去时的被动语态。
2.教学难点:写一篇介绍某一项发明的文章。
三、教学准备
PPT课件, 录音
4、教学方法
任务型教学法、情境交际法、自主学习法与合作学习相结合。
五、教学过程
Step 1 Lead-in
Discussion:
Have you ever come across any difficulties in your daily life
I am not able to take notes quickly in class.
It’s very hard for me to get up early.
I’m worried about my everyday homework.
Can we invent something new to solve those difficulties
Step 2 Writing
Work on 3a.
Think of something that you do not like to do. Then think of an invention that could help you. Make notes.
Problem: quickly taking notes in class
New invention: a special pen
What it is used for: taking notes for me
It can take notes automatically.
Problem: getting up early
New invention: a special clock
What it is used for: waking me up
It can call me up with the voice of my teacher.
Problem: doing homework
New invention: a robot
What it is used for: doing homework with me
It can be my favorite homework partner.
Work on 3b.
Imagine you are a business person. Write a description of your new invention. Try to sell the invention to the class.
This special pen was invented by Liu Jie. It has three colors and is used for…
Sample:
This special pen was invented by Liu Jie. It has three colors and is used for taking notes quickly. It is very useful if you have a lot to write down. The pen comes with a microchip that can store a list of common words that you will use. You can program the words you will use often into the microchip’s memory, then assign a short form to each word. When you are writing, you just need to write the short forms with the pen, press a button on the pen and all the short forms will change into the actual words. The microchip can contain up to 50 words and you can make changes to the list of words whenever you need to.
Step 3 Self Check
1. Complete the passage with the correct forms of the words in the box.
invent　doubt　mention　website　all of a sudden
It is often difficult to decide on the inventor of certain inventions. This is because sometimes a few people may _______ things which are nearly the same. It’s hard to tell who came up with the idea first. Some inventions can also lead to other inventions _______. So some people _______ whether the inventor came up with the idea himself or herself. They think that the inventor used someone else’s idea to create his or her invention. That is why books or _______ usually _______ more than one inventor when giving information about inventions.
Check the answers one by one.
Answers: invent; all of a sudden; doubt; websites; mention
2. Rewrite these sentences using the passive voice.
(1) Someone stole my watch.
_________________________________
(2) They used five eggs to make this big cake.
_________________________________
(3) When did they invent the personal computer
_________________________________
(4) They asked us not to run in the hallway.
_________________________________
(5)Someone took the video back to the store.
_________________________________
Answers:
(1) My watch was stolen (by someone).
(2) Five eggs were used to make this big cake by them.
(3) When was the personal computer invented
(4) We were asked not to run in the hallway (by them).
(5) The video was taken back to the store (by someone).
3. Find out information about an invention you would like to know more about and write sentences below.
Invention: _________________________
When: _________________________
Who: _________________________
Purpose: _________________________
Homework
Mary在某英语学习网站就“The Most Useful Invention”这一话题发帖，征集网友的看法。假如你叫李华，你认为最有用的发明是因特网，请你根据Mary的帖子给她回帖。
The Most Useful Invention
Mary—Wednesday, March 11, 2020
I am writing a paper about inventions for my English class, and I need some ideas. What do you think is the most useful invention Thanks for your ideas.
要求：
1. 简要阐述因特网的用途(至少三个)；
2. 词数90左右(回帖的部分内容已给出，不计入总词数)。
Board Design
UNIT 6 When was it invented Section B(3a—Self Check)
单词；nearly 短语：decide on come up with 句子：1. This is because sometimes a few people may invent things which are nearly the same. 2. It’s hard to tell who came up with the idea first.
课堂达标
阅读短文，从方框中选择恰当的词并用其适当形式填空，使短文完整、通顺。
translate　Canada　pleasure　sudden　mention　somebody
Dear Marcus,
How are you in the UK In your last e-mail you (1) __________ Pam. You want to know something about this girl, yes Of course I know a lot about her.
Pam is a (2) ________ girl. She’s smart. Her hobby is writing. Four years ago　she wrote a book. In 2015, it came out. It was popular with many people. And it was (3) _________ into many different languages. Pam has become a successful and young writer. Pam’s hobby has brought her (4) ________ and success. Many people love Pam and I’m among of them. I’m proud to know her.
To be exact, I also want to be (5) _________ like her. Oh, Marcus, something always happened all of a (6) ________. My light went off. I must stop to have a look.
Best wishes!
Yours,
Steve
答案：(1)mentioned (2)Canadian (3)translated (4)pleasure
(5)somebody (6)sudden
RE: The Most Useful Invention
Li Hua—Monday, March 30, 2020
I think the most useful invention is the Internet.