人教版九年级全册Unit 6 When was it invented?Section B Writing 课件 (共17张PPT)

(共17张PPT)
Unit 6 When was it invented
Writing
Review
in 1885
by Karl Benz
When was the car invented
was invented
It ____ ________in 1885.
Who was it invented by
It was invented by Karl Benz
When was the TV invented
It was invented in 1927.
1927/by Baird
spread messages
What is it used for
It is used for spreading messages.
Who was it invented by
It was invented by Baird.
be used for doing sth. 被用来做某事
When was the telephone invented
It was invented in 1876
in 1876
make a call
What is it used for
It is used for making a call.
When were they invented
in 1971
search for information
They were invented in 1971
What are they used for
They are used for searching for information.
How to introduce an invention
What is the invention
When was it invented
The advantages and disadvantages of the invention.
How to use the invention
They are some inventions.
1. What is the invention
Write down the answers according to the tips.
(a computer)
It is a computer.
2.When was it invented
(1977)
It was invented in 1977.
Let’s learn about the advantages and disadvantages of the computer.
As the saying goes, every coin has two sides.
3.What is it used for
The advantages of the computer.
(communicate)
It was used for communicating .
It was used to communicate .
We can use it to communicate.
It is convenient for us to communicate with others.
It is important for us to talk with others.
The disadvantages of the computer.
4. We spend a long time_______ the computer.
We spend a long time _________________(玩电脑)
5.It _______________(对...有害) our eyes.
6. Playing computer for a long time_____________(对...不好) our health.
Fill in the blank.
on
(in)playing computer
is harmful to
is bad for
How to use the invention
Fill in the blank.
7. We __________(应该) use the computer to study.
8.We __________(最好) use the computer to search for information.
9.______________(让我们) do some exercise.
should
had better
Let us
Let ’s
Writing task
手机在我们的生活中的作用越来越大，谈谈你对手机的看法。
内容包括: 1.手机发明的时间(1973年）
3.手机的利弊
2.呼吁人们合理使用手机
要求：1.意思连贯,语句通顺; 词数不少于80。
Write a composition.
细心审题(人称、时态、要点)
时态：
一般现在时。
人称：
第三人称
第一人称
手机在我们的生活中的作用越来越大，谈谈你对手机的看法。
内容包括: 1.手机发明的时间(1973年）
2.手机的利弊
3.呼吁人们合理使用手机
要求：1.意思连贯,语句通顺; 词数不少于80。
Write a composition.
Mobile phones
A mobile phone is becoming more and more popular in our daily life.Do you know when the mobile phone was invented The mobile phone was invented in 1973.
The mobile phone is a very useful tool in our life. For example , it is used for talking with families and friends . We can also listen to music or play the game on mobile phones. It makes us relaxed. What's more, It is very convenient for us to go shopping online. However, as the saying goes, every coin has two sides. It is bad for our eyes to play our phone for a long time.
In order to keep healthy, we should use our phone correctly. What’s more, we had better do more exercise.