仁爱版英语九年级上册Unit4 Topic2 SectionB课件

a light bulb
Who invented it?
= Who was it invented by?
Thomas Edison. It’s said that Edison invented more
than one thousand things during his life.
It’s said that + 宾语从句 据说…
laptops Invent/in Japan/in 1985
Example:
What are these? They are laptops. Where were they invented? They were invented in Japan. When were they invented? They were invented in1985.
Now let’s listen to the passage, and know something more about cloning.
3b
Group work
Listen to 3a again and discuss the following questions.
1. Who is Dolly ？ She is a cloned sheep.
2. What is used in cloning? DNA.
3.Is your DNA similar to your parents’? Yes.
Read 3a and mark the statements True
(T) or False (F).
Scotland
(F)1.The cloned sheep, Dolly,was cloned in Canada.
Do you know when they were invented? Who invented them? Now let’s listen to a conversation.
Listen to the three passages, match the pictures with the following information.
在我们的生活中，被动语态也被经常使 用。 你能使用被动语态设计一个我们生 活中的情景吗？
Project Work in group, discuss the advantages and disadvantages of cloning technology.Then one student of each group report them next class.
B.is chosen
C. was choosing D. is choosing
( D ) 4. --- How many cakes can I have?
--- None, dear. They ___ for you father. (2008江西)
A. prepare
B. prepared
A. invent B. was invented C.was inventing D. invents
( A) 3. Last year, Li Hua, a collegestudent, _____ to work
for the Olympic Games.(2008河北 )
A was chosen.
Unit 4 Topic 2 When was it invented?
Look atBiblioteka the picture, then make a conversation with your parter.
看图，然后和同伴 组成对话
mobile phone invent\in 1973\ in America\ communicate
(T)2.Scientists have cloned pigs. the same (F)3.Every part of our body has different DNA.
(T)4.There is DNA in all living things.
( F)5.Dolly’s DNA is similar to the sheep that she was
Advantages
Disadvantages
.
AInsvsetundteionntss, wheasvheoculhdawnogrkedhaorduerr lainfed.master somSeciseknillcs,eamndaskeersveoouurr cliofeunmtryoirnethceofluoturfrue.lI.
( D ) 1.--- Who is the little baby in the photo, Lucy?
--- It’s me. This photo______ ten years ago.(2008北京)
A. takes B. is taken C. took
D. was taken
( B ) 2. The telephone _____ by Bell in 1876.(2008吉林 )
the cloned animals
the cloned cows
the cloned mice
the cloned pigs
Cloning can benefit(使受益,对某人有用) human beings and the society. The cloning technology has been used in human organs(器官). With its help, scientists can explore more ways to treat many serious diseases such as heart diseases, AIDS(艾 滋病) and cancer.
Complete the conversation.补全对话
Pirates of the Caribbean direct/by Gore Verbinski/ in 2006
Who directed Pirates of the Caribbean?\
A:W_h_o__w_a_s_P_ir_a_te_s__o_f _th_e_C__ar_ib_b_e_a_n__d_ir_ec_t_e_d__by? B: It was directed by Gore Verbinski. A:_W__h_en__w_a_s_i_t _d_ir_e_ct_e_d_?_________________? B: It was directed in 2006.
clond from.
the same
(F)6.Cloning can benefit us. It has no disadvantages.
It may harm society. It must be used properly.
1. New words. 2. 一般过去时的被动语态： 谓语结构：was \were +及物动词的过去分词 Example： When was it invented\ lauched\ directed\ made? Where were laptops invented ? Who was it invented by? =Who invented it?
What are they doing ?
They are doing an experiment.
实验
Clone: 克隆
a cloned sheep
动词的过去分词，作定语修 饰名词。一只被克隆的羊
She was created in Scotland(苏格兰) a few years ago
Cloning is known as a famous experiment throughout the world.
Invention
Inventor
Year
A. Karl Benz
a.1926
B. John Baird
b.1876
C. Alexander Graham Bell c.1885
ShenzhouⅦ launch \in China\ in 2008
When was Shenzhou Ⅶ launched? It was launched in China. Where was it launched? It was launched in 2008.
hope every one of you can fly higher and higher.
C. have prepared D. were prepared
Passive voice was also used In our daily life. Can you use the passive voice to design a situation that happens in our life.