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(共24张PPT)
Unit 6 When was it invented
The Fifth Period
Section B (2a—Self Check)
Lead-in
Do you like this sport Talk about with your partners about it.
2a
Do you like basketball Do you watch basketball
games How much do you know about this sport
Discuss the sport with your partner and share your
ideas with the class.
课文呈现
Grammar Focus
When was the zipper invented？ It was invented in 1893.
Who was it invented by？ It was invented by Whitcomb Judson.
When was tea brought to Korea？ It was brought to Korea during the 6th and 7th centuries.
What is the hot ice- cream scoop used for？ It’s used for serving really cold ice- cream.
Active Voice：Alexander Graham Bell invented the telephone in 1876. Passive Voice：The telephone was invented (by Alexander Graham Bell) in 1876. 课文呈现
4a. Rewrite the sentences using the passive voice.
1．They sold the fridge at a low price . ①
The fridge was sold at a low price.
2．Somebody stole my camera from my hotel room.②
____________________________________________________
3．Where did you take these photos
____________________________________________________
My camera was stolen from my hotel room by somebody.
Where were these photos taken by you
课文呈现
4．Our parents advised us not to go out alone.
________________________________________________________
5．Different writers translated the book into different languages. ③
________________________________________________________
________________________________________________________
We were advised not to go out alone by our parents.
The book was translated into different languages by different writers.
课文呈现
It is believed that tea was brought to Korea and Japan during the 6th and 7th centuries. In England，tea didn’t appear until around 1660，but in less than 100 years，it had become the national drink. The tea trade from China to Western countries took place in the 19th century. ⑥This helped to spread the popularity of tea and the tea plant to more places around the world. Even though many
people now know about tea culture，the
Chinese are without doubt the ones who
best understand the nature of tea. ⑦
课文呈现
文章结构：时间层进式
P1 the invention of tea
↓
P2 Lu Yu and his book
↓
P3 the spread of tea
Some morden inventions
Could you list some modern inventions in our daily life
Lead-in
What are these inventions
Who was the ... invented by
Guessing Game
Karl Benz
Bell
J. L. Baird
John Atanasoff
telephone
car
television
computer
It was invented by ... .
When were they invented
Do you like eating potato chips
The history of potato chips
If a thing is worth doing it is worth worth doing well
enough常可以和词组so-that，too-to转换。
他跑得不够快，赶不上其他人了。
He didn’t run fast enough to catch up with the others.
He ran so slowly that he couldn’t catch up with the others.
He ran too slowly to catch up with the others.
If a thing is worth doing it is worth worth doing well
It is said that a Chinese ruler called Shen Nong was the first to discover tea as a drink. One day
Shen Nong was boiling drinking water over an open fire. Some leaves from a tea plant fell into the water and remained there for some time.
it是形式主语
过去分词短语作后置定语
It is said that … 据说…
拓展：It is believed that … 人们认为/相信……
落入fall-fell-fallen
A few thousand years later, Lu Yu, “the saint of tea”, mentioned Shen Nong in his book Cha Jing. The book describes how tea plants were grown and used to make tea. It also discusses where the finest tea leaves were produced and what kinds of water were used.
What are they used for
They are used for changing the style of the shoes.
Make conversations using the information in 2b.
2c
style n. 样式，款式
out of style 过时的；in style 时尚的
What are they used for
They are used for seeing in the dark when you get up at night.
Make conversations using the information in 2b.
2c
Rewrite the sentences using the passive voice.
4. Our parents advised us not to go out alone.
5. Different writers translated the book into different
languages.
We were advised not to go out alone by our parents.
The book was translated into different languages by different writers.
v. 翻译
Grammar
4a
Complete the sentences with the correct forms of the verbs in the box.
eat lock like ring invite break tell 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.
were invited
were brought
v. （使）发出钟声或铃声；打电话
v. 锁上；锁住 n. 锁
n. 地震
突然；猛地
Grammar
4b
【语境领悟】I missed the school bus by mistake this morning.
今天早上我无意中错过了校车。
I took your pen by mistake. 我错拿了你的钢笔。
mistake
1. n. 错误。make a mistake/make mistakes犯错误
I used to make mistakes in spelling．我过去常常犯拼写错误。
2. v. 弄错; 误解
You mistook my meaning entirely.你完全误解了我的意思。
mistake ... for ... 错把……当成……
Don't mistake me for an American.不要把我误会成美国人。
2、by mistake为介词短语，意为“无意中；错误地”,相当于accidentally。
— Excuse me, sir. Are you sure the umbrella in your hand belongs to you
— Oh, sorry. I took it ______. Mine is over there, under the chair.
A. at once B. on time
C. by mistake D. in all
The high-speed railway ______ in this city last year. It is easier for people to travel now.
A. will build B. will be built
C. was built D. built
单选
C
C
一、 根据语境及所给汉语提示，写出所缺单词。
1. The bus will run on ________ (电) and solar power.
2. You can try this blouse on. It is the newest ____ (款式).
3. —I’d like you to help me with the _______ (项目) next week.
—No problem. I’ll be free then.
project
style
electricity
当堂检测
4. This is a(n) ________ (网站) for people to learn languages.
5. Bert felt very proud to work with the ________ (先驱) of medical technology.
6. Sue said that all the names of our class were ________ (列表) here.
7. He didn’t show any ________ (高兴) when I offered to go with him.
8. We thought Carl would say a lot about his experiences in South Africa, but he didn’t ________ (提到) them at all.
pleasure
website
pioneers
listed
mention
3.The tea trade from China to Western countries took place in the 19th century.
take place 发生；出现。 常指事先安排或事发有因的事情。
happen 发生。常指偶然发生的事情。
一、一般过去时被动语态
由“was/were+及物动词的过去分词”构成。被动语态的时态变化只改变be的形式，过去分词部分不变。疑问式和否定式的变化也是如此

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