北师大版（2019）必修第二册 Unit4 Information technology Lesson1 Avatars公开课课件(共32张PPT)

(共32张PPT)
UNIT 4
INFORMATION TECHNOLOGY
LESSON 1 AVATARS
目录页
contents
Pre-reading
I
Language Points
IV
Fast Reading
II
Grammar
V
III
Homework
Ⅰ
Pre-reading
What kind of picture do you use as your avatar online Describe it and share the reason for your choice.
Pre-reading: ACTIVATE AND SHARE
Example:
I use ... as my avatar because ...
Talk about what would you like to learn from the article. Write down your questions and read to check.
Prediction
The avatar you choose says a lot about you. The article will help you understand avatars better.
Avatars
Fast Reading
Ⅱ
Fast Reading: Read for General Understanding
From what aspects does the author talk about avatars
Match the paragraph with the key information.
Avatars
Para 1
Para 2
Paras 3-5
Para 6
history
purposes of using avatars
definition
different views
Complete the information below.
Definition:
A _______ image that represents an Internet user.
History:
in the 1980s — appeared in ___________ computer games.
by the late 1990s — used in _____ ______.
digital
role-playing
web
Fast Reading
chats
Complete the information below.
Purposes:
to express oneself:
to _______ their new identities.
to try being someone of the ________ sex.
to call themselves other names.
to have _______ _______ one avatar.
to represent oneself:
a cute cat: I like ________ and having fun.
________ characters: I’m a really funny person.
opposite
create
more
Fast Reading
than
cartoon
relaxing
Complete the information below.
Views:
negative:
afraid of meeting people in the ______ world.
avatars can be used to _______ others online.
_______:
expect that the avatar will act like a real person and travel around bigger, more exciting virtual worlds.
Fast Reading
cheat
real
positive
Fast Reading
1. How does the author introduce avatar
2. Why do people make their avatars look better than they do in real life
Perhaps they want to look like the tall, young, and nice-looking avatars.
He or she introduces the definition, history, the use of avatars and people’s views about avatars.
Answer the questions.
Fast Reading
3. How do people use avatars
They use them to express themselves and to represent themselves.
Answer the questions.
Fast Reading: Discussion
Can you give examples of the risks of using avatars
What can we do to prevent the risks of using avatars online
Language Points
Ⅲ
Avatars are 1. ________ identities that you use to represent yourself online. You can choose an avatar from a selection of 2. ___________ images, or 3. _________ your own images. Although avatars haven’t been around for long, they are 4. _______ used.
Avatars let you 5. ______________ and give you lots of room for creativity. But the use of avatars has also
Language Points: words or phrases
ready-made
create
express yourself
widely
digital
Complete the short text with information from the article.
caused 6. _____________. Some users worry that they are spending so much time in 7. ______ worlds that they are becoming afraid of meeting people in the real world. The use of several avatars can also be 8.______________, as people can use avatars to 9. ________ others online. However, many people see avatars in a more 10. ___________ light.
Language Points: words or phrases
Complete the short text with information from the article.
a few concerns
virtual
a source of risk
cheat
positive
1. These digital identities, known as avatars, are a key part of how people use the Internet to communicate and express themselves.
known 过去分词作后置定语修饰 identities，表示identities 和 know 之间是被动关系。
Page
8
Focus on Language: Difficult Sentences
这些数字身份，被称为虚拟形象，这是人们利用互联网进行交流和表达自己的关键部分。
Focus on Language: Practice
1. The house _____ (build) last year is meant for teachers.
2. George has a preference for the gift _______ (buy) by his mother.
built
bought
2. By the late 1990s, they had been used in web chats like instant messenger.
20世纪90年代末，它们（虚拟形象）被用于网络聊天，如即时通讯。
过去完成时
表示在过去某一动作以前已经发生或完成了的动作（即过去的过去）
表示动作在过去某一时间之前开始，一直延续到过去的这一时间，而且还可能继续下去的动作。常用时间状语有： by then, by the end of, until, before…
Page
9
Focus on Language: Difficult Sentences
1. He said that he __________ (be) abroad for three years.
2. Just as I got to the school gate, I realised I _________ (leave) my book in the cafe.
3. Until then he ___________ (know) nothing about it yet.
4. Silk ____________ (become) one of the primary goods traded along the Silk Road by about 100 BC.
had been
had left
had known
had become
Focus on Language: Practice
3. Some users worry that they are spending so much time in virtual worlds that they are becoming afraid of meeting people in the real world.
so… that 或 such … that “如此…以致于”，引导结果状语从句。
一些用户担心他们在虚拟世界中花费了太多的时间，以至于他们开始害怕在现实世界中与人见面。
Focus on Language: Difficult Sentences
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such + a / an + adj. + c.n. + that…
such + adj. + pl.n. + that…
such + adj. + u.n. + that…
so + adj. / adv. + that…
so + adj. + a / an + c.n. + that…
so + many / few (少) + pl.n. + that…
so + much / little (少) + u.n. + that…
1. This is ____ interesting a book that we all enjoy
reading it.
2. He ran _____ quickly that we all couldn’t catch up
with him.
3. They are _____ interesting books that we all enjoy
reading them.
4. He shut the window with ____ force that the glass broke.
so
so
such
such
Focus on Language: Practice
5. There was ____ much food that we couldn’t eat
it all.
6. He is _____ a little boy that he can’t lift the box.
7. I have _____ little money that I cannot afford
a car.
so
so
such
Focus on Language: Practice
Grammar
IV
Grammar: past future
1. Yet, very few people knew that future avatars would have such a wide variety of forms and uses.
2. Many Internet users realised that their avatars would be seen by many people, not just their friends.
Read the sentences and tell which part refers to the past and which refers to the future in the past.
Grammar: past future
3. When people started creating their own avatars, they discovered that they were going to have the power to create new identities that did not look or act like their real selves at all.
Read the sentences and tell which part refers to the past and which refers to the future in the past.
Conclusion:
Tense Past tense Past future
Form: was, were did, v-ed would do
was / were going to do
Function: 表示在过去的时间里发生的动作或状态 表示从过去某时看将来要发生的事情
Compare the two kinds of tenses.
Language in use
In the 1990s, few people knew that ___________________________________
When computers were invented, it was believed that ________________________________________
In the past few years, users of smartphones realised that _________________________________________
smartphones would play a vital part in our lives.
computers would greatly simplify calculations.
we were going to pay with a phone.
Complete the following sentences using the past future tense.
Language in use
The convenience of the Internet made Internet users discover that ______________________________________
When avatars first appeared in the 1980s, few people believed that ______________________________________ _________________
Complete the following sentences using the past future tense.
people were going to rely more on the net.
future avatars would have such a variety
of forms and uses.
V
Homework
Homework: writing
How would you imagine your life in the future with the help of technology when you were little Write a short paragraph to introduce your hope or imagination by using the past future tense.
Example:
When I was young, I thought people would not recite anything with a chip inserted into brain.