北师大版（2019）必修 第二册Unit 4 Information technology Topic Talk课件(共18张PPT)

(共18张PPT)
UNIT 4
INFORMATION TECHNOLOGY
Topic Talk
1. Listen to detailed information about information technology and different apps.
2. Use the information you have heard to talk about information technology.
Pre-listening
Three technological revolutions from the 18th century to the 20th century have changed human life influentially.
water and steam power mechanization (机械化) electric power mass production （规模化） electronics and information technology
automation (自动化)
The First The Second The Third
Free Talk
Information technology
In what way do you use it
Why do you use it
How has it changed your daily lives
...
Example: I often shop for various things online, because it’s convenient to compare the quality and prices from different online shops.
扫清听力障碍
1. explore
2.convenient
3.chat
4.enable
5.disadvantage
6.focus on
探索；考查
方便的
聊天
使能够
不利条件
把注意力集中于……
7.download
8.recommendation
9.get updated
10.personality
11.get addicted
12.remind
下载
推荐，建议
更新
个性，性格
上瘾
提醒
扫清听力障碍
扫清听力障碍
While-listening
Text Builder Aspects
a. I love exploring new technologies, because they _______________.
b. I use apps to____________ online.
c. I also like chatting online. It ______________________. But too much chatting online_______________.
reasons
are so convenient
buy things
makes me feel less lonely
takes a lot of time
uses
effects/impacts
Activity 1: Listen to Dialogue 1. Complete the Text Builder.
Activity 2: Listen to the passage again and filling in the blanks.
W：I love ________ new technologies, because they are so convenient. You know, I use apps to buy things online and I usually receive them ______________!
M：Wow, that’s really convenient.
W：Indeed! I know one that can even help you get _____________ within two hours!
M：What is it I’d like to try that, too.
W：Sure, here it is. Besides shopping online，I also like chatting online. It makes me feel less lonely. Technology really enables people to _________________ with each other.
M：That’s true! But are there any disadvantages about these new technologies
W：Well, too much chatting online takes a lot of time. We really need time to _________ what we are doing.
exploring
the same day
what you order
communicate better
focus on
Information technology
Reasons
Uses
Activity 3: Use the Text Builder to talk about information technology.
For example, you can make a dialogue. One askes questions and the other answer questions according to what you have learnt.
Effects / Impacts
□ Chat with
□ Communicate with/by…
□ Buy things…
□ Find information about…
□ Learn about new things like…
…
Uses
□ are so convenient
□ make life easier
□ enable better communication
□ provide convenience
□ provide education
□ provide information
…
Reasons
□ makes communication convenient
□ makes me feel less lonely
□ helps me develop new friendships
□ enables people to communicate better
□ makes us self-focused
□ makes us live in an unreal world
□ makes us addicted to it
□ takes a lot of time
□ does not encourage face-to-face communication
…
Effects/Impacts
Activity 4: Listen to Dialogue 2 and complete the notes in the table.
Apps Reasons for use
Music app I listen to songs when __________________________.
It really helps me ________.
Apps for the news ____________ with the news all day long.
______ I use different avatars … because they let me explore ________________.
___________ A bell rings to remind me that ___________.
I can’t sleep or feel nervous
relax
Get updated
Alarm Clock
my time is up
Games
different personalities
B： This new phone is a birthday present from my parents. I’ve __________ lots of
interesting and useful apps already. I like
this music app—I can listen to songs when
I can’t sleep or feel nervous. It really helps
me relax.
G： That’s cool! I like reading news on my phone. Do you have any _______________
B： Oh，yes! You can download this app! You’ll get updated with the news all day long.
G：Super! What’s your favourite app
B： I enjoy ____________. I _______________ quite a few apps for different games. I use different avatars in different games and this is really cool because they let me explore different personalities. New games make my life interesting.
G： Wow! That sounds cool! But you need to be careful about spending too much time on
them—you could __________.
B： Well，I admit it. So I downloaded an app called “Alarm Clock”. Once I play games for
more than an hour，a bell rings to remind me that my time is up.
Activity 5: Listen to the passage again and filling in the blanks.
downloaded
recommendation
playing games
have downloaded
get addicted
Post-listening
For example:
There is a weather app in my phone.
I use it to check weather and it’s really
accurate.
Introduce what other apps you have in your phones.
Show time
The Internet is becoming the town square for the global village of tomorrow.
Every coin has two sides.
On the one hand, information technology is beneficial to us in many way.
On the other hand, it is easy for us to make us self-focused and addicted to it, which is harmful to ourselves.
Summary