课件30张PPT。Unit 4 Amazing Science Topic 1 When was it invented ?Section ALong long ago, people wanted to fly to the moon one day.Our dream has come true!Missing GamesWhat we learnmetal 金属
rocket 火箭
satellite 卫星
spaceship 飞船
lock 锁
laptop 笔记本电脑
digital 数码的 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. lock / metal/ lock the doorbe used for doing sth.被用于做……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/ write onbe made of
be made from ?看得见原材料看不见原材料Lock is made of metal. Paper is made from wood.Fill in blanks with of/ from.
The wine(红酒)is made _____ grapes (葡萄).
The desk is made _______ wood.
The digital camera is made ________ metal.
The bread is made _______ wheat (小麦).
The clock is made _________ plastic.offromfromofofGroupworkcomputer desk /woodchopsticks/bamboosweater /cottonwatch/metalQ1: Why is Jane unhappy?
Q2: What’s the rocket made of?Because Jane was not allowed to play computer games last night. Q1: Why is Jane unhappy?Q2: What’s the rocket made of?It’s made of metal.Listen to 1a and mark T (True) or F (False). P81Jane 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. ( )FFTTGroup DiscussionFind out the key points in groups.被允许做某事 _________________________
对…有害 _________________________
在某事上花费 _________________________
太多时间 _________________________
由…制成(看得见原材料)____________________
由…制成(看不见原材料)____________________
用来做某事 _________________________
(梦想)成真 _________________________
Key pointsbe allowed to do sth.be bad for spend … on …too much timebe made ofbe made frombe used for doing sth.come trueJane was not allowed to play computer.一般过去时的被动语态is spoken byShe speaks Chinese. is spoken by He speaks English.EnglishEnglish.Hehim.ChineseChinese.Sheher. 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
Many people use computers.Computers _____ ________
by _______ _________.The workers plant trees in the garden.Trees _____ _______ in the
garden ____ the workers.are usedmany peopleare plantedbyCan you try ?Exercise 1. Trees __________ (water) in our school every
three days.
2. The zoo ___________ (visit) by lots of children
on weekends.
3. A Journey to West ________ (show) on CCTV
every summer.
4.On Christmas Day, children wake up early
and can’t wait ______ (open) the boxes of
presents.
5. We’ll have a chance _____ (see) the flower
show this weekend.
to openis shownare wateredto seeis visited4. 比较一般现在时态与一般过去时态的被动语态
一般现在时态的被动语态结构:
be (am/is/are) +动词的过去分词
一般过去时态的被动语态结构:
be (was/were)+动词的过去分词
聚焦一般过去时的被动语态
结构:助动词be+及物动词的过去分词
1.肯定句式 :主语+was /were+vt.-ed
2.否定句式 :主语+was/were + not+vt.-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+subject+vt.-edLet’s sum up together.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 tiredheadachesore eyes2. What’s a rocket used for?
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. some day----某一天,总有一天(将来)
e.g. I wish I could have my own house some day.I hope his dream will come true . come true----变成真的,实现
realize/achieve---make sth. come true掌握新词汇:
lock, satellite, rocket, spaceship, digital, metal
2. 掌握词组:
be allowed to do, be made of, be made from,
be used for doing, come true, be bad for, spend … on.
3.掌握句型:What’s it made of/from? It’s made of/ from…
What’s it used for? It’s used for …
4.语法知识:初步感知一般过去时的被动语态。
Summary
Who is the winner ?