仁爱版9年级上  Unit 4 Topic 2 Section B学案

一.  学习内容

1.学习Jane和Michael 的对话, 了解爱迪生的发明.

2．了解可隆技术。

二、学习要求

1.必会生词和短语

the cloned sheep, Scotland, a great experiment, rabbits, sheep, cows, mice, pigs, and some other animals, DNA, living things, human beings, every part of your body, fingernails, hair, own,

clone, create, experiment,

so far, the same as …, be similar to

2.必会主要句型

1. It is widely used in our daily life ,Do you know when it was invented?

2. It’s said that Edison made more than one thousand inventions during his life.

3. The radio was invented by Guglielmo Marconi in 1895.

4. She was created in Scotland a few years ago.

5. you have your own DNA, but it is similar to your parents’.

三、本节课的学习要点及考点

重点句型：

1. invent发明 inventor 发明家  invention发明,如:   

Thomas Edison a great inventor invented over one thousand inventions in his life,托马斯.爱迪生,一位伟大的发明家,一生中发明了一千多项发明.

2. it’s said that…..据说…听说….it是形式主语, is的真正主语是that 连接的主语从句.如:It is said that you have sent him three letters,据说你已经给他发了三封信.类似的结构还有It’s reported that…据报道….如:It’s reported that china will send up Shenzhou Ⅶ into space in few years.据报道中国几年后将向太空发射神舟七号.

During one’s life 某人一生 相当于take one’s life

某人一生,

Go this way.相当于take/come this way.

3. cloned 在此作定语修饰sheep, 过去分词作定语多表示已完成的动作,如: take care of the wounded soldier 照料这个伤员.过去分词短语作定语, 常置于其所修饰的名词之后, 其意义相当于一个定语从句.

4. be similar to 与… 相似.

Maria’s hat is similar to Jane’s.

四、学习过程

（一）课前预习

1.课前预习课本P_87-88

2. .课前预习 同步练习与测试 Unit 4 Topic 2 Section B练习

3. 练一练

1. 灯泡被广泛应用与我们的日常生活. 你知道它是什么时候发明的吗?

2. 据说爱迪生一生有一千多项发明.

3. 收音机是1895年由古尔亚莫·马可尼发明的.

4. 它是几年前在苏格兰被创造出来的.

5. 你有你自己的DNA, 但与你父母的相似.

1. The bulb is widely used in our daily life ,Do you know when it was invented?

2. It’s said that Edison made more than one thousand inventions during his life.

3. The radio was invented by Guglielmo Marconi in 1895.

4. She was created in Scotland a few years ago.

5. you have your own DNA, but it is similar to your parents’.

（二）.课堂探究

一般过过去时的被动语态

1. be used for +用途，作用  ：被用来做…                

  be used  as+  工具，手段 :被作为 …来用    

                 by+sb/sth :  被…（人）用 

e.g:     钢笔是用来写的

      Pens are used for writing .

      游泳可作名词来用 

       “ Swim ” can be used as noun .

       英语老师 经常使用录音机

       Recorders are often used by English teachers .

2. be made of : 由… 制成（ 看得出原材料）

   be made from:由… 制成（ 看不出原材料）

be made in: 在…（地方）制造

   be made by sb:被… （人）制造

   be made into:被制成…

e.g:    这张桌子是由木头造的

       The desk is made of mood .

       纸是由木头造的

       Paper is made from mood .

       这手表是中国制造

       The watch was made in China

（三） 提高 拓展的练习

(  ) 1 The People's Republic of China ___ on October 1, 1949.
     A. found   B. was   founded   C. is founded     D. was found
(  ) 2 English ____ in Canada.
A. speaks     B. are spoken    C. is speaking      D. is spoken
(  ) 3 This English song___ by the girls after class.
   A. often sings    B. often sang     C. is often sang     D. is often sung
(  ) 4 This kind of car ___ in Japan.
 A, makes    B. made    C. is    making    D. is made
(  ) 5 New computers ___ all over the world. 
A. is used    B. are using    C. are used    D. have used
(  ) 6 Our room must ___ clean.
 A. keep      B. be kept      C. to be kept      D. to keep
(  )7 -I'd like to buy that coat.
      -I'm sorry. ___. 
A. it sold     B. it's selling     C. It's been sold      D. it had been sold
(  ) 8. Where ___ these boxes made?
A. was    B. were   C. is    D. am (  )

9 The key ___ on the table when I leave.
 A. was left      B. will be left     C. is left      D. has been left
(  ) 10 Doctors ___ in every part of the world.
A. need    B. are needing    C. are needed    D. will need

1-5 BDDDC 6-10 BCBAC

（四）自学问题记录：