课件34张PPT。Unit 1 When was it invented?
Section B Talk about the inventions.
How many different kinds of inventions
do you know?
Can you give some examples?Lead in inventionsabacusbinocularssweet甜的crispy脆的salty咸的How do they taste?hot辣的bitter苦的red bayberriespepperssour酸的Presentationcookiescrispylemonssoursweetcandysaltyice creamteadeliciousniceawfulprunecrispysoursweetsalty1a The words in the box describe how food can taste. Write them under the correct pictures. Some pictures have more than one word.salty duck eggsfruit saladpotato chipssalty sour1b Write the name of a different food after each word.
sweet crispy bananas
apples oranges cakes
honeycookies
potato chipspopcorns
potato chips
salty duck eggsgrapes
lemonsWhat are needed?The potatoes are cut into slices.The slices are cooked in the pan.The pepper and tomatoes are sprinkled.potato chipsWho were potato chips invented by?
When were potato chips invented?George Crumchef1c Listen and circle “T” for true or “F” for false.Potato chips were invented by mistake.
They were invented in 1863.
The customer thought the potatoes were not
thin enough.
4. The customer said they were not salty enough.
5. George wanted to make the customer happy.
6.The customer was happy in the end.T F
T F
T F
T F
T F
T F1d 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 ___________ .thinwere invented1853crispyreally saltyA: Did you know potato chips were invented by mistake?
B: Wow, I didn’t know that. Who invented them?
A: ...1e Make a conversation about the invention of potato chips. Use the information in 1c and 1d. Do you like basketball?
Do you watch basketball games?
What do you think of this sport?
Do you know when basketball was invented?
And do you know how it was invented?2a PairworkDiscuss the sport with your partner
and share your ideas with the class.Go for it !A hard floorLearning strategy: MIND-MAPPING
Changing the information you read into a mind map may help you remember it more easily. 思维导图把……变成记住Read and complete
2c Complete the mind map with the information in the passage.Game
played inside on a hard ______________
______teams
got______________
into other team’s
_________Development
invented by ________________
first game on_______________
became Olympic event in
________ in the year_______
most famous
games:______
popular games in China:_______Popularity
played by___________ people
over ____________countriesfloortwothe ballJames NaismithDecember 21,1891Berlin1936NBACBA100 million200basketDo You Know When Basketball Was Invented?
Basketball is a much-loved and active sport that is
enjoyed by many for fun and exercise. It is over 100 years
old and is played by more than 100 million people in over
200 countries. It is believed that the first basketball game
in history was played on December 21, 1891. Then in
1936 in Berlin, it became an event at the Olympics.超过 ；多于奥林匹克 运动会人们相信It is believed that the first basketball game in history was played on December 21，1891.
人们认为历史上第一场篮球赛是在1891年12月21日举行的。
It is believed that ...意为“人们认为······”，是固定句型，其中it为形式主语，真正的主语为that引导的从句。其他常见类似的句型还有：
It is said that...据说……
It is supposed that...据猜测…… Basketball was invented by a Canadian doctor named James
Naismith, who was born in 1861. When he was a college teacher,
he was asked to think of a game that could be played in the
winter. Dr. Naismith created a game to be played inside on a hard
floor. Dr. Naismith divided the men in his class into two teams and
taught them to play his new game. Players on the same team
must work together to get the ball in the other team’s basket. At
the same time, they need to stop the competing team from getting
the ball into their own basket.创造把……分开/分为stop...from...
阻止……做……加拿大的Today, the popularity of basketball has risen around the
world, with many young people dreaming of becoming famous
players. In China, you can sometimes see people playing
basketball in parks, schools and even factories. Basketball has
not only become a popular sport to play，but it has also
become a popular sport to watch. Although America’s
NBA games are the most famous, the CBA games are becoming
more popular in China. The number of foreign players, including
Chinese players, in the NBA has increased. 受欢迎；普及see sb doing sth看到某人正在做某事……的数量There are also more and more foreign players in the CBA.
Many young people look up to these basketball heroes and want
to become like them. These stars encourage young people to
work hard to achieve their dreams. 钦佩；仰慕encourage sb. to do sth.
鼓励某人做某事Read 2b quickly again.
判断正误
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. Chinese team won the match in Berlin Olympics. TFTTF2d Use what you remember from the mind map to answer the following questions.
1. Who invented basketball and how is it played?
James Naismith.
Players on the same team must work together to get the ball in the other team’s basket. At the same time, they need to stop the competing team from getting the ball into their own basket.
2. When was the first basketball game in history played?
On December 21, 1891.
3. Why were the Berlin Olympics important for basketball?
In 1936 in Berlin, basketball became an Olympic event.
4. What are the professional basketball groups in America and China?
America: NBA China: CBA.
5. How popular is basketball?
Today, the popularity of basketball has risen around the world, with many young people dreaming of becoming famous players. CBANBAWriting
Imagine you are a business person. Write a description of your new invention. Try to sell the invention to the class. It is often difficult to decide on the inventor of certain
inventions. This is because sometimes a few people may
_________things which are ________ 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. 1.Complete the passage with the correct forms of the words in
the box. inventnearlydoubtall of a suddenPracticeThey think that the inventor used someone else’s idea to creat
his or her invention. That is why books or __________usually _________ more than one inventor when giving information
about inventions. mentionwebsitesSomeone 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.
_____________________________________________My watch was stolen by someone.Five eggs were used to make this big cake. When was the personal computer invented? We were asked not to run in the hallway. The video was taken back to the store by someone. 2.Rewrite these sentences using the passive voice.Choose an invention and do research on it. Make a mind-map of the information you find.Then give a report to class.HomeworkNothing in the world is difficult for one who sets his mind to it.
世上无难事，只怕有心人。课件30张PPT。Unit 1 When was it invented?
Section A Talk about the inventions(发明).
Which one do you think is the most helpful in our daily life?Lead in computercarcalculatorlaptoptelephonecell phoneradioPresentation
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) 1 2 3 4 1b Listen and match the inventions with the years.abcdWhen was the
...invented? 1876
1885
1927
1971
acbd1c PAIRWORKA: When was the telephone invented ?
B:I think it was invented in 1876.2a Listen and number the inventions[1-3] in the order you hear them.312 ___ shoes with
special heels___ shoes
with lights___ hot ice-cream
scoop， runs on
electricity2b Listen again and complete the chart below.shoes with special heels shoes with lights
hot ice-cream scoop2c
Make conversations using the information in 2b.A: What are they used for?
B: They’re used for...2d Role-play the conversation. Read the passage quickly and answer the questions.What is the subject for their school project?
2. What kind of invention does Roy think of?
3. Why does Roy think it is a great invention?
4. Who and when was the zipper invented?
5. When did the zipper become popular? Small inventions that changed the world.The zipper.Because it is often used in our daily lives.Whitcomb Judson in 1893.Around 1917.What will you do if you are really thirsty?
You’d like to drink these drinks.v. 喝；饮 n. 饮料What’s the most traditional drink in China? Tea has a long history.Tea was first drunk nearly
5, 000 years ago.boiling drinking waterleavesIt smells pleasant.
It tastes delicious and …Who was tea invented by?
It was invented by the Chinese ruler called Shen Nong． Shen Nong How was it invented? boiling water over an open fire fell into …and remained…produced a nice smell tasted the brown water —tea It was invented by accident.have a point
by accident
it is said/believed that
be brought to sp.
take place
even though
without doubt Language points有道理
偶然；意外地
人们说/相信
被带到某地
发生；出现
即使
毫无疑问；的确 3a Reading
Read the passage quickly and match each paragraph with its main idea.Paragraph 1
Paragraph 2
Paragraph 3 Lu Yu and his book Cha Jing
How tea spread to other countries
How tea was invented by accident
3b Read the passage again and answer the questions. 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? Nearly 5,000 years ago. It was invented by accident. Shen Nong. How tea plants were grown and used to make tea.Korea and Japan: 6th and 7th centuries；England: 16603c Complete the sentences with the correct forms of the verbs in the box. 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. invent, drink, bring, produce, tradeinventeddrunkproducedbroughttradedGrammar FocusThe simple past passive voice
一般过去时被动语态
一般过去时被动语态表示过去经常性、习惯性被动动作或过去某一时刻发生的被动性动作，与主动语态相比,被动语态中主语是谓语动作的承受者。
被动语态的构成:
一般过去时
助动词was/were+ (及物动词的) 过去分词
was (were) + doneGrammarBell invented the telephone in 1876.
The telephone was invented by Bell in 1876. 主动语态变被动语态的结构图:主语谓语动词
过去式宾语时间状语主语谓语动词的
过去分词宾语时间状语用所给动词的正确形式填空：
1. The bike __________(fix) up by Xiaoming yesterday.
2. Shields ________ (use) for protecting people’s body in the past.
3.Last year, a picture _________(put) up on the blackboard.
4. She said French______________ (speak) in France.
5. Teenagers _______________(allow) to choose their own clothes two years ago.was fixedwere usedwas putwas spokenwere allowedPracticeThey 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 fridge was sold at a low price by them.My camera was stolen from my hotel room by somebody.Where were these photos taken? We were advised not to go out alone by our parents. The book was translated into different languages by different writers.4a Rewrite the sentences using the passive voice.4b Complete the sentences with the correct forms of the verbs in the box. 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. eat, lock, like, ring, invite, break, tell, bring were invitedwere broughtwas lockedrangwere toldbrokewere eatenliked4c 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. was inventedwas bornworkedlearnedwas saidis used was invented Suppose you are alone on a tiny island. What inventions would you like to have on the island with you? Write a short passage.HomeworkImagination is more important than knowledge.
想象力比知识更为重要。
