初中鲁教版（五四学制）（2024）Unit 1 When was it invented?Section B精品ppt课件

这是一份初中鲁教版（五四学制）（2024）Unit 1 When was it invented?Section B精品ppt课件，共21页。PPT课件主要包含了Revision，Free talk，Self Check，Practice等内容，欢迎下载使用。

学习新单词：nearly复习、巩固本单元所学的单词和短语
能够针对存在的问题想出相应的发明设想，并进行准确表述。
会写描述某项发明的文章。
Learning Gals
1. 发生；出现 _________________________2. 偶然；意外地 ____________________________3. 有道理 ____________________________4. 毫无疑问 ____________________________5. 突然；猛地 _______________________6. 不但……而且…… _________________________
have a pint
withut dubt
all f a sudden
by accident
· What d yu want t invent?· Why?· What is it made f/frm?· What is it used fr?
Ha, I want t invent a special brm.
What d yu want t invent?
What is it made f?
It’s made f stainless steel.
It is used fr flying t the sky.
What is it used fr?
When can it be used?
If yu have sme-thing urgent, the traffic is very busy, then we can use it.
This kind f brm is much cheaper than the helicpter. Every-ne can affrd it.
Hw much will it cst?
Think f smething that yu d nt like t d. Then think f an inventin that culd help yu. Make ntes.
1. Prblem: __________________________ New inventin: _____________________ What it is used fr: __________________
a special pen
quickly taking ntes in class
taking ntes in class
3. Prblem: _______________________________ New inventin: __________________________ What it is used fr: _______________________
2. Prblem: _______________________________ New inventin: __________________________ What it is used fr: ______________________
a special clck
getting up early
waking me up
ding hmewrk
ding hmewrk with me
This special pen was invented by Liu Jie. It has three clrs and is used fr …
Imagine yu are a business persn. Write a descriptin f yur new inventin. Try t sell the inventin t the class.
invented is used is useful if...
pening pint
with... When yu..., yu just need t...
I believe that...
This special pen was invented by Liu Jie. It has three clrs and is used fr taking ntes quickly. It is useful if yu have t write dwn a lt f ntes. The pen cmes with a micrchip that can stre lts f wrds and sentences that yu need t use.
Sample writing
When yu are writing, yu just need t write the shrt frms with the pen. Then press a buttn n the pen, and all the shrt frms will change int the actual wrds. I believe that the special pen will becme mre and mre ppular.
Cmplete the passage with the crrect frms f the wrds in the bx.
invent dubt mentin website all f sudden
It is ften difficult t decide n the inventr f certain inventins. This is because smetimes a few peple may _______ things which are nearly the same. It’s hard t tell wh came up with the idea first.
Sme inventins can als lead t ther inventins _____________. S sme peple _______ whether the inventr came up with the idea himself r herself. They think that the inventr used smene else’s idea t create his r her inventin. That is why bks r _________ usually _________ mre than ne inventr when giving infrmatin abut inventins.
Rewrite these sentences using the passive vice.
1. Smene stle my watch. ________________________________________2. They used five eggs t make this big cake. ____________________________________________3. When did they invent the persnal cmputer? ____________________________________________
My watch was stlen (by smene).
When was the persnal cmputer invented?
Five eggs were used t make this big cake by them.
4. They asked us nt t run in the hallway. _________________________________________ _________________________________________5. Smene tk the vide back t the stre. _________________________________________ _________________________________________
The vide was taken back t the stre (by smene).
We were asked nt t run in the hallway (by them).
Find ut infrmatin abut an inventin yu wuld like t knw mre abut and write sentences belw.
Inventin: _________________________________When: _________________________________Wh: _________________________________Purpse: _________________________ ________
umbrella with a light
seeing in the rain in the dark
1. Nw cmputers are widely used in ur ______ (day) lives.2. He mentined _________ (hear) frm her ften.3. The sup is very _______ (salt) because my mther put lts f salt n it.4. Since then, the ___________ (ppular) f basketball has risen quickly.5. I have wrked here fr _______(near) tw years.
Ⅰ.用所给单词的适当形式填空
Ⅱ．按要求改写句子1. The teacher gave the students sme advice. (改成被动语态) __________________________________________________2. He was seen t read a bk in his rm. (用I作主语, 改为主 动语态) __________________________________________________3. She was helped by all the peple. (改成一般疑问句) __________________________________________________
Sme advice was given t the students by the teacher.
I saw him read a bk in his rm.
Was she helped by all the peple?