人教版九年级全册 Unit 6 When was it invented?Section B 3a-Self Check 课件 (共19张PPT)

(共19张PPT)
人教版九年级(初中)英语全册
Unit 6
When was it invented
第5课时Section B 3a-Self Check
1.复习本单元所学习的单词和词组，完成自我检测。
2. 掌握下列重点句型：
--This special pen was invented by Liu Jie.
--It has three colors and is used for…
3.能够用本单元所学的知识介绍某一发明的简要过程，并完成写作任务。
4.练习运用各种写作技巧，提高写作能力。
Revision
Retell the story using the mind map below.
Game
Development
Popularity
Free talk
Talk about the inventions in our daily life. Tell us your favorite invention.
Why do you think it's important
invention
They are very useful and helpful.
Your favorite invention
The mobile phone is my favorite invention.
Mobile phones are very useful and helpful in our daily life.
Nowadays, smart phones, in addition to facilitating our communication, can also be used for entertainment, navigation, shopping, transferring money, paying water and electricity bills, almost everything. They are a tool that facilitates our life.
3a
Think of something that you do not like to do.Then think of an invention that could
help you. Make notes.
Pre-writing
Problem: __________________________
New invention: __________________
What it is used for: __________________
quickly taking notes in class
a special pen
taking notes quickly
Imagine you are a business person. Write a description of your new invention. Try to sell the invention to the class.
While-writing
3b
This special pen was invented by Liu Jie.
It has three colors and is used for…
(2) Some key words and expressions.
Think about how you can express the ideas in your outline. List the key words and expressions that may be used. If you have difficulties in using these words and expressions, you can ask teachers and classmates for help.There are some useful expressions in the box below. You can refer to these expressions.
While-writing
(3) Ask students to complete the first draft
(1) Outline the writing.
Get students to outline the writing .Consider what aspects you would like to introduce your new invention.
Post-writing
(1) Ask students to change their writings with their deskmates and do peer-editing.
(2) Invite some students to show their writings to the class. Evaluate them in details and point out the advantages and disadvantages.
1. Complete the passage with the correct form of the words in the box.
invent doubt mention website all of a sudden
It is often difficult to decide on the inventor of certain inventions. This is because sometimes a few people may ______ things which are nearly the same. It’s hard to tell who came up with the idea first.Some inventions can also lead to other inventions ______________. So some people _________ whether the inventor came up with the idea himself or herself. They think that the inventor used someone else’s idea to create his or her invention. That is why books or ________ usually _________ more than one inventor when giving information about inventions.
invent
all of a sudden
doubt
websites
mention
Self Check
2. Rewrite these sentences using the passive voice.
1. Someone stole my watch.
__________________________________
2. They used five eggs to make this big cake.
_____________________________________
3. When did they invent the personal computer
_________________________________
They asked us not to run in the hallway. ___________________________________
5. Someone took the video back to the store.
__________________________________________
My watch was stolen (by someone).
Five eggs were used to make this big cake.
When was the personal computer invented
We were asked not to run in the hallway.
The video was taken back to the store (by someone).
3. Find out information about an invention you would like to know more about and write sentences below.
Invention:_______________________________________________________________.
When: _________________________________________________________________.
Who: ___________________________________________________________________.
Purpose: ________________________________________________________________.
一、用所给词的正确形式填空。
1.He is a _________ (Canada) doctor.
2.Yang Liwei is one of the national _________(hero).
3.The temperature in the world has _________ (rise) these years.
4.Nobody can stop me from _________ (create) a new game for children.
Canadian
heroes
risen
creating
二、根据汉语意思完成下列句子。
1.我们被分成四组做实验。
We are _________ _________ four groups to do the experiment.
2.中国在努力阻止人口数量的增长。
China is trying to _________ the _________ of population from _________ .
3.人们相信有很多人出去赚钱。
_________ _________ there _________ _________ number of people going out to make money.
4.什么时候才能实现我的梦想。
When will I _________ my _________
divided
into
stop
number
increasing
It's
believed
are
a
achieve
dream
三、根据汉语意思，完成句子。
1. 在200多个国家中，超过一亿人打(篮球)，包括中国。
___ ___ _______ by ______ _______ 100 million people
in over 200 countries including China.
2. 篮球是由加拿大一位叫詹姆斯·奈史密斯的博士发明的。
Basketball ____ __________ _____ a Canadian doctor named James
Naismith.
It
is
played
more
than
was
invented
by
1. In this lesson, we reviewed the words and expressions in this unit.
2. key sentences ：
--This special pen was invented by Liu Jie.
--It has three colors and is used for…
3. We completed the classroom exercises and self check.
What have we learned in this class
1. Review and summarize the key knowledge of this unit.
2. Preview the contents of the next unit.
Thank you！