(共29张PPT)
Unit 4 Amazing Science
Topic 1 When was it invented
Section A
spaceship
rocket----send up
学习目标
1. 学习单词和短语, 重点掌握：lock, rocket, metal, satellite, spaceship; be made of, be made from , be used for, some day, come true ;
2. Use the passive voice. 学习运用被动语态。
。
学习指导一（学习单词）（7mins）
1）.学习指导：自学单词，把课本翻到133页;根据读音规则，认读81页-82页Section A 的单词，如有困难可同桌交流（2′）；听录音，纠正发音，争取读准每一个单词。（1′）；
2).自研共探
自读单词（ 若还不会读，可问老师或同学）,结合汉语意思，加强记忆， 2分钟后，合上课本，两人小对子互提。
学情展示
方案：由小组长主持，各小组间互测，听写或背出下列单词，组长统计结果给出评价，老师根据各组组长汇报给小组加分。
检测单词： 火箭，金属，卫星，宇宙飞船，
锁，手提电脑，数码的
后教：老师根据检测中发现的单词读音问题及时纠正，并重点领读。
A. What’s it made of
B. It’s made of metal.
A. Do you know what it is used for
B. It’s used for sending satellites
or spaceships into space.
Wow !A model rocket !
1a Listen, look and say.
自学指导二﹙学习1a﹚（17mins）
1.听录音，判断正误，完成1b；
2.再听录音， 大声模仿录音读1a，注意语音语调，争取读准每个句子；
3.读1a，回答1c中的问题；
4.细读1a，理解对话，划出对话中重点短语和含有被动语态的句子，理解记忆。
自研共探：（7mins)
参照118页SectionA的课文注释，理解 1a,划出对话中重点短语和含有被动语态的句子，若有不理解的语言点，可向小组成员求助，然后4人小组讨论，解决自学中的疑惑点 。
1. 翻译短语：
⑴允许某人做某事; ⑵.用……制造的（看得出原材料）;
⑶.用……制造的（看不出原材料）; ⑷被用来……；
⑸有一天 (6)变成现实
2.归纳总结重点短语和句型并熟记：
学情展示
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 mark T (True) or F (False).
Jane is unhappy because she was not allowed to go to a party last night.( )
Kangkang’s father made a model rocket for him. ( )
The rocket is made of metal. ( )
A rocket is used for sending satellites or spaceships into space. ( )
F
F
T
T
1c Read 1a and answer the following questions.
1. Why did Kankang ask Jane not to spend too much time on computer games
It’s bad for her health if she spends too much time on them.
too tired
headache
sore eyes
2. What’s a rocket used for
It’s used for sending satellites or spaceships into space .
3. Who taught Kangkang some knowledge about spaceships
Mr. Brown.
4. What’s Kangkang’s dream
He wishes he could go into space some day.
. 讨论：I wish I could go into space some day.
句中单词could是用过去式表达_______语气。
活学活用: 我希望有一天我会飞。
I ________ I ________ fly some day.
I hope his dream will come true .
come true----变成真的,实现
realize/achieve---make e true
虚拟
wish
could
some day----某一天，总有一天(将来)
e.g. I wish I could have my own house some day.
It’s used for sending satellites or spaceships into space .
be used for 被用来做
be used to do 被用来做
be used as 被用作
used to do sth. 过去常做
be used to doing sth. 习惯于做
be made of 由某种物质做成(看得出原材料，物理过程)
be made from 由某种物质制成(看不出原材料，化学过程)
be made up of 由几部分组成
be made in 在某地/某时制造
be made by 由某人制造
be made into 被制成
1
2
重点短语和句型
1.allow sb. to do sth. 2.be made of,
3.be made from , 4.be used for, 5.some day,
6.come true ;
(1). I was not allowed to play computer games last night.
(2).--What’s it made of --It’s made of metal.
(3) -What is a rocket used for
-It’s used for sending satellites or spaceships into space.
(4). I wish I could go into space some day.
(5). I hope your dream will come true.
is spoken by
She speaks Chinese.
is spoken by
He speaks English.
English
English.
He
him.
Chinese
Chinese.
She
her.
被动语态(Passive Voice ) be + done
主动语态： 主语 + 动词 + 宾语
被动语态： 主语 + be + 过去分词 + by + 宾语
聚焦一般过去时的被动语态
结构:was/were+动词的过去分词
1.肯定句式 ：主语+was /were+v.-ed
2.否定句式 ：主语+was/were + not+v.-ed
3.一般疑问句式： Was /Were+主语+vt.-ed
4.特殊疑问句式：疑问词W/H+was/were+主语+v.-ed
E.g. An e-mail was sent to her friend by Jane yesterday.
An e-mail wasn’t sent to her friend by Jane yesterday.
Was an e-mail sent to her friend by Jane yesterday
Who was the e-mail sent to by Jane yesterday
A: What’s the lock made of
B: It’s made of metal.
A: What’s it used for
B: It’s used for locking the door.
n.锁 v.（用锁）锁上，被锁住
2 Follow the example to make up similar conversations.
lock/metal
A: What’s the paper made from
B: It’s made from wood.
A: What’s it used for
B: It’s used for writing on.
paper/wood
computer desk /wood
chopsticks/bamboo
sweater /cotton
watch/metal
3a A. Listen to the conversations and number the following pictures.
2
3
1
3a B. Listen again and complete the table .
Invention
Item laptop cell phone digital camera
Material
Usage
Year
country
plastic
plastic
metal and plastic
study, work and play
communicate
take photos
around 1985
1973
around 1975
Japan
America
America
3b Work in pairs. Ask and answer questions based on the table in 3a with passive voice.
A: What is a laptop made of
B: It is made of plastic.
A: What’s it used for
B: It is used for studying.
A: When and where was it developed
B: It was developed in Japan in 1985.
Example:
Focus on the meaning in communication. Don’t be afraid of making mistakes.
归纳总结：（4mins）
小组讨论：本节课我们学习了哪些有用的单词、短语和句型？哪些语法项目？请小组代表举手发言。
1. 掌握了一般过去时的被动语态的结构及其用法；
2.学会了 be made of和 be made from的区别。
3.学习句型When / Where was it developed
4. 学会了用虚拟语气来表达不可能实现的愿望。
I wish I could go into space some day.
Change the following sentences.
1.My mother allows me to use her cellphone.(改为被动语态)
I _____ ______ _____ use my mother’s cellphone.
2.A rocket is used for launching satellites and spaceships.
(就画线部分提问)
____ ___ a rocket ___ ___
3.The digital camera was invented in 1975. (就划线部分提问)
____ ____ the digital camera _______
4. Maybe he is an inventor. (改为同义句)
He ____ ____ an inventor.
am allowed to
What is
used for
When was
invented
may be
( )1.He ___play computer games unless he finished his
homework.
A. was allowed to B. was not allowed to C. allow to
( )2.We all know that paper ___wood.
A. is made of B. is made into C. is made from
( )3.This kind of machine ___in 2006.
A. is invented B. is made C. was invented
( )4.A(An)___is used for taking photos.
A .Camera B. Lift C. MP3 player
( )5 .We should spend more time ___because it’s too
important.
A .to learn English B. learning English C. in English
B
C
C
A
B
I.Choose the right answers. You can do it.
Ⅲ. Fill in the blanks with the right prepositions.
1.The desk is made _____ wood.
2.The red wine is made _____ grapes.
3.This delicious cake was made ___my
mother.
4.Glasses is made ___ glass.
5.Our group is made up ___ four students.
6.That kind of machine is made _
_____Japan.
of
from
of
of
by
in
