Unit 4 Amazing Science Topic 1 When was it invented? SectionA 课件（28张）

课件28张PPT。I'm a big big girl.In a big big world
It's not a big big thing if you leave me.But I do do feel that
I do do will miss you much.Miss you much
I can see the first leaves falling.It's so yellow and nice
It's so very cold outside.Like the way I'm feeling inside
I'm a big big girl.In a big big world
It's not a big big thing if you leave me.But I do do feel that
I do do will miss you much.Miss you much
Outside it's now raining.And tears are falling from my eyes
Why did it have to happen.Why did it all have to end
I'm a big big girl.In a big big world
It's not a big big thing if you leave me.But I do do feel that
I do do will miss you much
Miss you much.I have your arms around me wooooh like fire
But when I open my eyes.You're gone
I'm a big big girl.In a big big world
It's not a big big thing if you leave me.But I do do feel that
I do do will miss you much.Miss you much
I'm a big big girl.In a big big world
It's not a big big thing if you leave me
But I do feel I will miss you much.Miss you muchUnit 4 Amazing Science Topic 1 When was it invented ?Section A December 7th 2017 一、Fill in the blanks.
1. Mr. Smith （曾经去过）China several times .
2. _______（吸烟）is bad for your health.
You should （戒除它）. 3. （坚持）a goal. I’m sure you’ll succeed.
4.Don’t be afraid of （犯错误）in class .

Pre-set homeworkSmoking has been to give it upStict tomaking mistakes is spoken byShe speaks Chinese. is spoken by He speaks English.EnglishEnglish.Hehim.ChineseChinese.Sheher.二、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
一般现在时被动语态结构amisare + vt.-ed一般过去时被动语态结构waswere + vt.-ed聚焦一般过去时的被动语态
结构:助动词(was/were)+及物动词的过去分词(vt.-ed)
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+主语+v.-edE.g.
1.肯定句式 :

2.否定句式 :

3.一般疑问句式：

4.特殊疑问句式：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?
锁
火箭
金属
卫星
宇宙飞船
手提电脑
数码的
Can you read new words?1.lock
2.rocket
3.metal
4.satellite
5.spaceship
6.laptop
7.digital 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. ( )FFTT1c Read 1a and answer the following questions. 1. Why did Kankang ask Jane not to spend too much time on computer games ?
2. What’s a rocket used for?
3. Who taught Kangkang some knowledge about spaceships?
4. What’s Kangkang’s dream?
5.Why is Jane unhappy?
Check the answers1. 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.spend ... on sth. 花费... 在spend ... (in) doing sth.
花费...做某事{ ▲主语 +（必须是人）2. 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?
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Mr. Brown. 5.Why is Jane unhappy?Because Jane was not allowed to play
computer games last night. ▲ allow v. 允许
▲1. allow sb. to do sth.
允许某人做某事
▲2. allow doing sth.
允许做某事
▲3. be allowed to do sth.
被允许做某事
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▲2Language pointsAct out 1a in groupsRead 1a in groupsA: 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. 2 Follow the example to make up similar conversations. 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/woodcomputer desk /woodA: What’s the computer desk made of?
B: It’s made of wood.
A: What’s it used for?
B: It’s used for putting a computer.chopsticks/bambooA: What are the chopsticks made of?
B: They are made of bamboo.
A: What are they used for?
B: They are used for eating food . sweater /cottonA: What’s the sweater made from?
B: It’s made from cotton.
A: What’s it used for?
B: It’s used for keeping warm.watch/metalA: What’s the watch made of?
B: It’s made of metal.
A: What’s it used for?
B: It’s used for knowing the time.Free talk3a B. Listen again and complete the table . plasticplasticmetal and plasticstudy, work and play communicatetake photosaround 19851973around 1975JapanAmericaAmericaInventionItemWe learn:
1.Some words:
1.锁
2.火箭
3.金属
4.卫星
5.宇宙飞船
6.手提电脑
7.数码的
Summary1.lock
2.rocket
3.metal
4.satellite
5.spaceship
6.laptop
7.digitalWe learn:
2. Some phrases:
1.be made of
2.be made from
3.be used for
4.some day
5.come true
Summary

1.由...制成（看得出原材料）
2.由...制成（看不出原材料）
3.被用来做
4.总有一天
5.实现
Summary3. Some sentences:
(1) -What is a rocket used for?
-It’s used for sending satellites or
spaceships into space.
(2) I wish I could go into space some day.
(3) I hope your dream will come true.
Homework 1.Oral homework: Act out 1a in groups.
2.Writing homework :Make two
conversations according to 2 .
3.Memorize the useful expressions and key sentences that we learn today.
4.Preview Section B.(P83 1c、P84 2、
new words)
5.Have a dictation.Thank You for your listening!