高一英语technology课件2

Unit 9 Technology
HI-TECH
Portable computer DVD player laptop
space station
Internet
rocket
C D player
cloning
robot
cell phone
satellite
aircraft carrier
fighter
Toothpicks
!.What can you do with toothpicks?
A toothpick can be used to get food out of the space between teeth.
can be used when we eat something smaller; can be used to pin （钉住） something; Can make a small hole in something soft
socks
What can we do with socks?
We can wear socks to keep warm can be used to clean things, hang things and fill something in; fill something in
Plastic bags
It can be used to make a dark mark on paper or used for writing or drawing.
1.___K__a_n__g_a__r_o_o_____
Key words: animal jump pocket Australia
2.__b__a_d_m__in__to_n____

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2.Can you give examples of how the use of avatars may cause risks online?What can you do to prevent such risks? The answer is open．
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常用网络虚拟形象及目的 1.a cute animal avatar 2.an avatar in fancy clothes 3.a cartoon character avatar 4.to express oneself freely 5.to experiment with interesting things 6.to trick others 7.to create real/digital identities 8.to avoid/cause online safety risks 9.to live in a virtual world 10.to protect oneself
person．”____________
n．担心
3.The use of avatars has also caused a few concerns．____________ 4.Some users worry that they are spending so much time inadvji．rtu虚al拟w的orlds that they
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Ⅲ．句式欣赏
1.when引导时间状语从句；第一个that引导宾语从句；第二个that引导定语从句 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．

Think and Share
Disadvantages
Anonymous online friends may be dangerous. Some online friends may not be what you think they are. Dangerous incidents occur occasionally.
Read and Explore
What methods do writers often use to support their arguments?
Read and Explore
Here are five methods writers often use to support their arguments.
必修二 Unit 4 Information Technology (6)
高一年级 英语
Internet and friendships Reading (2)
Revision
The Internet harms friendships.
1. Talking online is no replacement for face-to-face contact. 2. The Internet makes people self-centred. 3. Online relationships may not be what they appear to be.
a. citing ideas from experts or authorities b. giving examples c. using data d. referring to common knowledge e. using comparison and contrast

Read and explore
Paragraph 1:
When you are online, you can be anyone or anything. You can create your own image and a new personality. These digital identities, known as avatars,
Read and explore
Read the article. Cions are answered. Underline the answers in the article.
Read and explore
Read and explore
必修二 Unit 4 Information Technology (2) 高一年级 英语
Avatars Reading (1)
Activate and share
What is an avatar?
a digital identity; in computing, an image which represents you in online games, chat rooms, etc., and which you can move around the screen using the mouse or keys
History
Read and explore
Paragraph 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. They could dress their avatars in fancy clothes, or they could try being someone of the opposite sex, and call themselves “Andy” instead of “Anna”!