Unit 4 Amazing Science Topic 1 When was it invented SectionB课件21张PPT

课件21张PPT。NEW WORDS1.A:Do you know when the I-phone was _________?
B:By Steve Jobs in 2007.
2.It’s a lock. It’s used for _________ the door.
3.The ______ was broken last night.
4.________ lies to the west of Japan.
5.I have a pair of new shoes.They are cheap and ______________。请小组长利用课间10分钟检查导学案完成情况，请在导学案上写上分数，每题20分。inventedlockingbulbKoreahard-wearingUnit4 Topic 1 When was it invented?

Section B
1、掌握本课的重点词汇和短语，继续学习一般过去时的被动语态。
2、能够听懂含有一般过去时的被动语态的短文和对话。
3、能受到发明家们的精神鼓舞，正确面对失败。学习目标_ul_air_ _a_e_ar_-_ea_i_g_o_eab bp l nK r h d w r n A:What's this?
B: It is .....
A:What is it made of?
B: It is made of .....
A:What is it used for?
B:It is used for..........Guglielmo MarconiWilbur and Orville WrightThomas Edison1903187918951c Read 1a and complete the table.radioairplaneThomas
EdisonWilbur and
Orville Wright18791895Michael: Look, a light bulb!
Jane: Yeah. It is widely used by people everywhere.
______________________________
Michael: _________________
Jane:Who invented it?
Michael: Thomas Edison. It's said that he invented more than two thousand things during his life.
Jane: What about the radio?
Michael:____________________by Guglielmo Marconi in 1895. Jane, let's go this way.
Look! An airplane, but it's different from today's.
Jane: Yes.___________________ by wilbur and Orville Wright in 1903.Retell the missing sentences.Do you know when it was invented?It was invented in 1879.The radio was invented It was invented一般过去时的被动语态结构
(Simple Past Passive Voice)
was/were + V.过去分词The snake was cut.snake/cutThe money was stolen.money/stealThe boy was burnt.boy/burnThe girl was eatengirl/eatThe cans were knocked down.can/knock downThe man was killed.man/killThe snake was cut.The money was stolen.The boy was burnt.The girl was eaten.The cans were knocked down.The man was killed.Karl Benz
[kɑ:l, ?benz]
John Baird
[d??n, be??d]
Alexander Graham Bell
[??l?g?z?nd?,'gre??m, bel ]
We learn: 1.Some words: bulb, airplane, hard-wearing,
Korea
2. Some phrases: be used by, more
than, be different from
3. Some sentences:
It’s said that he invented more than two
thousand things during his life.
We can: 1.Use the simple past passive voice:
Do you know when it was invented?
It was invented in 1879.
2.Talk about the inventors of some great inventions.
Summary2 Fill in the blanks with the proper forms of the given words. The first jeans were produced in 1855. At that time, they ___________(not call ) jeans and they were just hard-wearing pants designed for workers. The pants _____________ (make ) of the brown cloth. This kind of cloth ______ usually ________(use) for making tents. Nowadays, their materials have been changed so that it feels more comfortable. And many different jeans styles _______ also ________(create). They ___________( design) not only for workers but also for teenagers and women. Later jeans are popular all over the world. homework