(共19张PPT)
Unit 4 Topic 1
Section B
Lead-in
What’s this
Who invented it
When was it invented
What’s it used for
It's an English Learning Machine .
What’s it used for
English Learning Machine/
Around 2005/
Beijing Ren’ai Education Institute
/ learn English
A:What’s this
B:It’s …
A:When was it invented
B: It was invented in …
A: Who invented it
B:…
学习目标
1.重点掌握单词：: bulb, airplane, hard-wearing,
Korea
2. Use the simple past passive voice:学习一般过去时的被动语态。
3. Talk about some great inventions.
谈论一些伟大的发明，培养对科学的热爱之情。
学习指导﹙学习1a﹚（15mins）
1. 先用1分钟口头翻译问题 (1min) :
(1) When was the light bulb invented
(2) Who invented the light bulb
(3) When was the radio invented
2. 合上课本，听1a录音，然后回答上面问题（2mins)；
3. 再听1a录音，大声模仿录音读，纠正发音；（2mins)
自研共探：（5mins)
参照118页Section B的课文注释，自读1a,并口头翻译,要弄懂每个句子，划出重点短语和句型，若有不理解的语言点，可向本小组同学求助，然后小组讨论，解决自学中的疑惑点。
1. 读1a，完成1b和1c。
2. 从1a中找出重点短语及句型，理解并熟记。
3..同桌讨论，归纳总结过去时态被动语态的用法和结构：
助动词___________+及物动词的_________
was/were
过去分词
学情展示（5mins）
教师指名或抽签四个小组，在黑板上板书或口头展示小组内讨论结果，根据情况适当加分或加星。其他小组可质疑补充，回答正确的可适当加分或加星。教师可根据生成问题适当点拨。
1b Listen to 1a and choose the correct answers.
( ) 1. Where are Michael and Jane
A. In the science museum.
B. At the school library.
C. In the zoo.
D. In the park.
( ) 2. Which object is not mentioned in
the conversation
A. Light bulb. B. Airplane.
C. Television. D. Radio.
A
C
Read 1a and fill out the table.
Invention Inventor Year
Light bulb
Guglielmo Marconi
1903
Radio
Airplane
Thomas
Edison
Wilbur and
Orville Wright
1879
1895
熟记下列重点短语和句型
1).invent v.-- ____(发明人) n.--____ (发明) n
2）.It’s said that + 从句;
3）.during one’s life
4）.be invented in + 年月，地点
5 ）.be invented by sb
6).Who invented it
7).be different from
A: What are these
B:…
A: When were they produced first
B:…
A: What were they made of
B:…
Do you know
2 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.
were not called
were made
was
used
are
created
are designed
A. Karl Benz
C. Alexander Graham Bell
B. John Baird
Invention
Inventor
Year
a.1926
b.1876
c.1885
3 Listen to the three passages. Match the pictures with the following information.
4a Read the following words. Listen and check the vowels.
rocket cotton hospital model
satellite camera laptop plastic
4b Listen and read the following sentences aloud, paying
attention to the stress and intonation. Then use the words in 4a to make up similar conversations.
A: `When was the `digital camera `developed
B: It was `developed in the `1970s.
A: Is the `digital camera `developed in `Korea
B: `No.
A: `Where was it `developed
B: It was `developed in `Japan.
归纳总结：（4mins）
Useful expressions:
1).invent v.-- ____(发明人) n.--____ (发明) n
2）.It’s said that + 从句;
3）.during one’s life
4）.be invented in + 年月，地点
5 ）.be invented by sb
6).Who invented it
7).be different from
一、选择合适短语填空，并注意其适当形式。
be different from, take photos,
be similar to, so far, the same…as
1.The weather in the USA_____________ that in Australia.
2.The student has made _______ mistakes ____ he did
last time.
3.Digital camera is used for ____________.
________, more and more teenagers in America have showed great interest in learning Chinese.
5.Group Three’s opinions __________ ours.
are similar to
the same
as
taking photos
is different from
So far
巩固提升
The light bulb is w______ used by people everywhere.
Thomas Edison i_______ the light bulb in 1879.
It’s s______ that he invented more than two thousand things during his life.
The airplane was invented by Wilbur and Orville Wright in 1903. It’s d______ from today’s.
巩固提升
idely
nvented
aid
ifferent
Good-bye!
