内容正文:
Exploring
Lesson 3
Thinking Skills
&Reading Strategies
Unit 10 World in the Cloud
目录
content
Lead in
01
Post-reading
04
Pre-reading
02
Language points
05
While-reading
03
Exercise&Homework
06
2
Lesson Objectives:
In this lesson, we will be able to:
1. Master the new words (disadvantage, virus, weigh, ton, powerful,
desktop, lap, smartphone, tablet) and use them to talk about
technology.
2. Use the reading skills of "classifying details" and "drawing
conclusions" to analyze texts about mobile phones, the internet
and computers.
3. Think critically about the advantages and disadvantages of
technology, and draw conclusions about its development trend.
Lead in
Guessing:
In our life, there’s one kind of tool with the internet.
We can also use it to call others, search for information, and do some payment.
What is it?
Mobile phones
Lead in
Look and say
Look at the first two pictures:
what good things can we do with mobile phones?
We can use mobile phones to talk to people far away.
We can use mobile phones to make payment.
advantages
n.优势,好处
Lead in
Look and say
Look at the last two pictures:
what bad things happen if we use phones too much?
If we use mobile phones too much, we may have eye problems.
If we use mobile phones too much, we may not get enough sleep.
disadvantages
n.缺点,不利因素
/,dɪsəd'vɑ:ntɪdʒ/
Thinking Skills
Classifying details
Classifying details is to put details into different groups.
分类,就是将细节归入不同的类别。
Activity 1
Look at the pictures and fill out the detail-classification chart.
Mobile Phones
Advantages
We can use mobile phones to
talk to people far away.
Make __________.
Disadvantages
If we use mobile phones too much, we may
have eye problems.
not get enough ________.
payment
sleep
have eye problems 患眼部疾病
Activity 1
Think about more advantages and disadvantages of mobile phones.
Mobile Phones
Advantages
We can use mobile phones to
talk to people far away.
Make payment.
...
...
...
Disadvantages
If we use mobile phones too much, we may
have eye problems.
not get enough sleep.
...
...
...
search for information quickly.
listen to music or watch movies for fun.
learn new things by using apps.
feel tired and lose focus in class.
spend less time with family and friends.
have less time for outdoor activities or exercise.
Activity 2
Read the text and complete the following chart.
The internet has both advantages and disadvantages. On the one hand, it is useful and can make our life easier; it's also a good tool to help us relax and enjoy our life. On the other hand, not everyone on the internet is friendly, and the computer virus is always a big problem.
The Internet
Advantages
The internet is useful and can makes our life _______.
It is also a good tool to help us _________ and enjoy life.
Disadvantages
Not everyone on the internet is __________.
Computer __________ is always a big problem.
easier
relax
friendly
virus
Topic sentence主题句
on the one hand 一方面
on the other hand 另一方面
Activity 2
Read again and mark T (true) or F (false).
The internet has both advantages and disadvantages. On the one hand, it is useful and can make our life easier; it's also a good tool to help us relax and enjoy our life. On the other hand, not everyone on the internet is friendly, and the computer virus is always a big problem.
1. The internet is only good for work. ( )
2. The internet can help us relax and enjoy our life. ( )
3. Everyone on the internet is friendly. ( )
4. Computer viruses are never a problem when using the internet. ( )
F
T
F
F
Activity 3
Pair work. Talk about the advantages and disadvantages of using the internet and how it is changing our life.
Using the internet
Advantages
...
...
Disadvantages
...
...
How it is changing our life
Activity 3
Pair work.
Hey! What do you think are the advantages of the internet?
Well, first, it helps us study easily. We can look up information for homework anytime. Second, it's great for talking to friends—we can chat with them even if they live far away.
That's true! What about the disadvantages?
Hmm, some people spend too much time online and forget to do other things, like exercise. Also, there are some unsafe websites that are bad for us.
Activity 3
Pair work.
Right! And how is the internet changing our life?
Oh, it makes everything faster!
We can shop online, take classes
at home, and even work from anywhere. It's really convenient.
I agree! It changes our life a lot,
both in good and bad ways.
Reading strategies
Drawing conclusions
Reading Strategies
Drawing conclusions
When you read, you can add up details and make a decision. This decision is a conclusion.
当你阅读时,你可以整合细节并做出判断。这个判断就是结论。
Lead in
Guessing:
How big was the first computer?
How heavy was it?
Could you put it on your desk? On your lap? In your pocket?
How big: 170 m²
→ like a basketball court(篮球场)
How heavy: 50 tons
→ like 10 cars
Conclusion: Early computers were
very ______ and ________.
big heavy
Activity 1
Read the text and complete the chart, and then learn how to draw a conclusion.
The first electronic computer came into being in 1964 in America. It covered an area of nearly 170 square meters and weighed almost 50 tons.
With the development of computer technology, computers became not only smaller and lighter, but also more powerful.
Covered an area of nearly _________________
Detail
Early computers were very __________ and _________.
Conclusion
Weighed almost ________________
Detail
170 square meters
50 tons
big/large
heavy
Activity 1
Learn how to draw a conclusion.
The first electronic computer came into being in 1964 in America. It covered an area of nearly 170 square meters and weighed almost 50 tons.
With the development of computer technology, computers became not only smaller and lighter, but also more powerful.
Covered an area of nearly _________________
Detail
Early computers were very __________ and _________.
Conclusion
Weighed almost ________________
Detail
come into being 形成;产生
with the development of... 随着......的发展
How to draw conclusions:
collect details → find common features → make a summary sentence
Activity 2
Read the text and draw a conclusion chart.
In the 1980s, the first personal computer (PC) appeared. It was much smaller and lighter than the first electronic computer. People could put it on the top of the desk, so they called it desktop PC. Soon, the first laptop PC came into being. People could place it on their laps and carry it in a small bag. Today, we have even smaller, lighter and thinner computers, such as smartphones and tablets.
The first desktop PC: _________________
than the first electronic computers.
Detail
Future computer will become even _________________________.
Conclusion
The first laptop PC : ________ and ________
than desktops.
Detail
Smartphones and tablets: ________________________________than laptops.
Detail
smaller and lighter
smaller lighter
smaller, lighter
and thinner
smaller, lighter and thinner
Activity 2
Learn the key words and phrases.
In the 1980s, the first personal computer (PC) appeared. It was much smaller and lighter than the first electronic computer. People could put it on the top of the desk, so they called it desktop PC. Soon, the first laptop PC came into being. People could place it on their laps and carry it in a small bag. Today, we have even smaller, lighter and thinner computers, such as smartphones and tablets.
The first desktop PC: _________________
than the first electronic computers.
Detail
Future computer will become even _________________________.
Conclusion
The first laptop PC : ________ and ________
than desktops.
Detail
Smartphones and tablets: ________________________________than laptops.
Detail
in the 1980s 在20世纪80年代
appear /ə'pɪə(r)/ v.出现,显得
disappear /'dɪsə'pɪə(r)/ v. 消失
much/even+ 比较级
表示比较的程度
place...on... 把.....放在.....上
Activity 3
Pair work. Talk about changes in the development of computers and make a conclusion.
The first electronic computers
Detail
The first desktop PC
Detail
The first laptop PC
Future computers
Conclusion
Smartphones and tablets
Detail
Detail
Activity 3
Pair work. Talk about changes in the development of computers and make a conclusion.
Details:
Computers have changed a lot over time. In the 1940s, the first computers were huge and filled whole rooms. They were very slow and could only do simple math.
In the 1960s, computers became smaller and faster. People started using them in offices and schools. By the 1980s, personal computers (PCs) appeared. They fit on desks and families could use them at home.
Now, computers are everywhere. We have laptops, tablets, and even smartphones. They are fast, powerful, and can do many things like playing games, watching videos, and helping with homework.
Conclusion:
Computers started as big, slow machines but now are small and smart. They make our lives easier and more fun.
Post-reading
Retell the changes in the form of computers in time order based on the text and pictures.
First, the electronic __________ was very big and heavy. Then in the 1980s,
the ________ PC appeared, which was smaller. Next came the ________,
which we can carry easily. Now we have ________ and _____________
that are super small and light.
computer
desktop
laptop
tablets
smartphones
Key phrases
1. 患眼部疾病 ____________________
2. 形成;产生 ____________________
3. 随着.....的发展 _________________________
4. 在20世纪80年代 __________________
5. 把....放在....上 ____________________
6. 另一方面 _____________________
have eye problems
come into being
with the development of
in the 1980s
place...on...
on the other hand
Language points
Activity 1
1. The first electronic computer came into being in 1946 in America.
第一台电子计算机于1946年在美国诞生。
come into being “形成;产生”
e.g. —The earth came into being billions of years ago.
地球形成于几十亿年前。
—That's correct. 没错。
【即时练习】 The Internet ______ in the late 20th century and has changed
the world greatly.
A. came into being B. came out
C. came from D. came back
A
Language points
Activity 1
2. It covered an area of nearly 170 square meters and weighed almost
50 tons. 它占地面积近170平方米,重量约50吨。
weigh v.“有……重;重达”
e.g. —How much does she weigh? 她体重是多少?
(=What's her weight?/How heavy is she?)
—She weighs 50 kilograms. 她重50千克。
链接:weight n.“重量;分量”。
常用短语:put on/gain weight 增肥 lose weight 减肥
e.g. —What's your weight? 你体重是多少?
—My weight is 50 kilograms. 我的体重是50千克。
She wants to lose weight by eating less and doing more exercise.
她想靠少吃、多运动来减肥。
【即时练习】—________ does the girl over there weigh?
—Her ________ is 50kg.
A. How heavy; weigh B. How many; weight
C. How much; weight D. How much; weigh
C
Language points
Activity 1
3. With the development of computer technology, computers became
not only smaller and lighter, but also more powerful. 随着计算机技术
的发展,计算机不仅变得更小更轻,功能也更强大。
1) with the development of... 意为“随着……的发展”。
e.g. With the development of science and technology, our life becomes more
and more convenient. 随着科技的发展,我们的生活越来越方便。
2) powerful adj.“强有力的;力量大的”→ power n.“权利;能量;电力”
→ power v.“驱动,推动”→ powered adj.“电动的”
→ powerfully adv.“有力地;有影响力地”。
e.g. China is a powerful nation. 中国是一个强大的国家。
拓展:① powerful还可意为“有权势的;有影响力的;(人或动物)强壮的”。
e.g. He is a rich and powerful man. 他是一个有钱有势的人。
【即时练习】
Sun Wukong is a _____________ (power) hero with great magic power.
powerful
Language points
Activity 2
4. In the 1980s, the first personal computer (PC) appeared.
在20世纪80年代,第一台个人电脑(PC)出现了。
in the 1980s“在20世纪80年代”。
“in the+整数年份+s”, 意为“……世纪……年代”。
e.g. His father was born in the 1970s. 他爸爸出生于20世纪70年代。
拓展:“世纪/年代”的表述方式:
the+序数词+century 第……世纪
the+early/mid/late+序数词+century ……世纪早/中/晚期
注意:世纪数比年份的前两位数字大1。
19世纪(1800—1899) the 19th century
21世纪(2000—2099) the 21st century
【即时练习】Great changes took place in China ______.
A. in the 1980s B. in the 1980 C. in 1980s D. on the 1980
A
Language points
Activity 2
5. People could place it on their laps and carry it in a small bag.
人们可以把它放在大腿上,也能装在一个小包里随身携带。
place v.“(尤指小心或有意)放置,安放”
e.g. He placed his hand on his father's shoulder just now.
他刚刚把手搭在他爸爸的肩上。
链接:place还可作名词,意为“地点;位置;(比赛优胜者的)名次”。
e.g. School is a good pace to learn. 学校是学习的好地方。
—He won first place in the running race. 他在跑步比赛中得了第一名。
—That's good news. 真是个好消息。
【即时练习】
—Mingming won the first _______ in the English speech contest.
—Congratulations!
A. place B. places C. placing D. to place
A
Exercises
I. 用方框中所给单词的适当形式填空(有一项多余)。
1. The first computer _________ in the 1940s and was very large.
2. Can you guess how much this laptop ____________? It’s very light.
3. With the ____________ of technology, smartphones become smarter
every year.
4. A desktop computer is more ____________ than a tablet in some ways.
5. You can ____________ the tablet on your desk and start reading.
virus, weigh, powerful, appear, place, development
appeared
weighs
development
powerful
place
Exercises
1. The first electronic computer was _________ (heavy) than a car.
2. People can use smartphones _________ (take) photos and watch videos.
3. With the help of the internet, our life becomes much _________ (easy).
4. Many students spend too much time _________ (play) online games.
5. Computers have become smaller and _________ (light) over the years.
heavier
II. 用括号内所给单词的适当形式填空。
to take
easier
playing
lighter
Exercises
1. 第一台电子计算机诞生于1946年。
The first electronic computer ________ ________ ________ in 1946.
2. 这台平板电脑又轻又薄,可以放在包里。
This tablet is ________ and ________. You can put it in your bag.
3. 随着科技的发展,电脑变得越来越强大。
________ the _______________ of technology, computers become more and more ____________.
4. 过度使用手机可能会导致眼部问题。
Using mobile phones too much may cause ________ __________.
5. 在20世纪80年代,个人电脑开始出现。
________ ________ ________, personal computers began to appear.
III. 完成译句 (每空一词)。
came into being
light thin
With development
powerful
eye problems
In the 1980s
Summary
We learn:
1. the advantages and disadvantages of the internet.
2. how to classify the detailes.
3. the development of computers.
4. how to make a conclusion based on the details.
We can:
1. classify the advantages and disadvantages of the internet correctly.
2. talk about the advantages and disadvantages of the internet based on the
classifying details.
3. draw a conclusion about the development of computers.
Homework
1. 基础层:抄写并背诵本课生词,完成课本所有填空练习。
2. 提高层:用 5 句话写一段短文,描述你对手机的看法(包含
至少 2 个优点和 2 个缺点)。
3. 拓展层:选择一种科技产品(如 smartwatch, e-book),用
“classifying details” 和 “drawing conclusions” 的方法,制作
一张信息图,包含它的优缺点和发展趋势
Thank you!
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