外研版（2019）选择性必修第二册Unit 2 Improving yourself Starting out&Understanding ideas课件（共42张）

(共42张PPT)
SOCIAL MEDIA DETOX
Starting out & Understanding ideas
Unit 2 Improving yourself
Learning aims
To understand the main idea of the passage.
To master the useful words and phrases.
To reflect on your behavior and develop a healthy lifestyle.
Fact 1
a total of 730 hours each year.
On average, Chinese Internet users each spend two hours a day on social media.
Leading-in
10
20
30
in 2015
in 2016
in 2017
Fact 2
age
The average age of social media users in China in 2017 was 33.1 years old, as against 32.4 in 2016 and 31.2 in 2015.
The top four negative aspects of social media
1
reduced time for reading printed books
2
poorer eyesight
3
privacy and information security concerns
4
reduced sleep time
Fact 3
1
2
3
Chinese Internet users spend
hours each year on social media.
of social media users in China has risen during recent years.
This has
effects on people’s
lives.
Conclusions
We can infer from the facts
730
The average
age
negative
detox
04
03
02
01
脱瘾
detox：stopping people from being addicted to drugs or alcohol
tox: poison
de-: away from
Structure
Part 2
Part 1
Part 3
Task 1
the main idea of each part
the main idea of the passage
Task 2
General reading
The main idea of the passage is ( ).
A. students learn how to communicate using social media
B. an online forum talking about stopping using social media
C. the effects of spending much time on social media
Task 1
B
Match the main idea with each part.
Part 1
Part 3
Part 2
A. the benefits from social media detox
Task 2
B. the general introduction of this detox
C. five students’ experiences and feelings
Title
Social Media Detox
Organizer
Brenton High School
Aim
Fundraising campaign for new soprts equipment
Form and time
Any form, For seven days
Participants
Over 100 students
Contents
No messaging friends, no posting photos, no blogging — nothing.
Moderator
Specific reading
Part 1
Anna
Name
Days
Reaction
Result
days
It was more difficult than she had expected. She felt like
.
She can now see how much time had been occupied with . She is now trying to spend more time .
Part 2
2
she had
lost an arm
checking her phone
picking up her hobbies
Devon
1. What did he feel during the detox
strange not to already know what his classmate had done.
2.What did he realise from the detox
He realised the value of real contact that he had forgotten.
He felt it really
...
Cindy
Cindy
1. Translate the following sentence into Chinese.
Without our phones, we had a proper conversation for over two hours, without being distracted by messages from other people.
没有了手机，我们进行了两个多小时的融洽交谈，没有被其他人的信息分散注意力。
2. What did she mean by the last sentence
She meant that she hadn't been missing out on anything.
The main reason why George managed the whole day without using his phone was probably that _____.
A. his dad persuaded him to stop using the phone for a week
B. his brother advised him to take exercise in the local sports center
C. he was promised money for seven days spent without social media
D. taking an hour’s sport every day made him tired out and healthier
Cindy
George
Cindy
Max
Why did Max last the shortest time in the detox
Because he used his phone to check where a party was, but he couldn’t resist having a look at his social media accounts.
B
C
D
A
It raised money for school sports equipment.
It helped students learn how to best communicate using social media.
It made students want to spend even more time on social media.
It made students realise how much time they had been spending on social media.
E
It encouraged students to find new ways to communicate and try new activities.
Part 3
Modetator
Judge the statements True or False
F
F
T
T
T
20
Question 2
Question 1
What would you do if you had to give up social media for a week in the winter holiday
Do you think the detox was worthwhile Why
Discussion
Work
in pairs
Summary
This class we read a passage—Social Media Detox. We learnt about five students’ experiences and feelings in the several day's detox. And we realize the disadvantages of being addicted to social media. So we should take actions to do social media detox, and help others to get rid of the bad habit.
1.security　 n.安全
(教材原句)The top four negative aspects of social media as ranked by Chinese users are：reduced time for reading printed books，poorer eyesight，privacy and information security concerns, and reduced sleep time.
根据中国用户的排名，社交媒体最负面的四个方面是：减少了阅读纸质书籍的时间、视力更差、出现隐私和信息安全问题以及睡眠时间减少。
(2023 浙江1月高考)With gas prices rising and airport security lines snaking longer than ever, why not book your next domestic vacation on a train
随着油价不断上涨，机场安检队伍比以往任何时候都要长，下一次国内度假为什么不预订火车呢
【知识拓展】
(1)a sense of security 安全感
(2)secure adj.安全的；稳固的；有把握的 v.获得；使安全
be secure about... 对……感到放心 be secure against/from... 无……之虑
secure...from/against...使安全，保护……免受(攻击、伤害或损失)
【即学即练】单句语法填空
(1) The health (secure) systems of many countries are undergoing considerable transformation.
(2)At last they were able to feel secure the future.
security
about
2.switch　 v.(用开关)改变；转换　n.开关；转换
(教材原句)With the detox now finished，they've switched on their devices and they're back online.
戒除社交媒体活动结束了，他们已经打开设备，重回网络世界。
He pulls out a special device, points it at the suspect, and switches it on.
他拿出一个特殊的装置，指向嫌疑犯，然后打开它。
Mom asked me to switch off the TV set as soon as I started eating.　
我一开始吃饭，妈妈就让我关上电视机。
(2023 浙江1月高考)I experienced this when I started switching to a zero waste lifestyle five years ago.五年前，当我开始转向零浪费的生活方式时，我就经历过这种情况。
【知识拓展】
(1)switch on(用开关)开，打开；开始运行 switch off 关闭(电灯、电视等)；断掉(电源)
switch over 转变；转换；换台 switch to 切换到；转到
(2)make a switch 改变
【即学即练】单句语法填空
(1) In Bellevue，the switch adaptive signals has been a lesson in the value of welcoming new approaches.
(2)When I switched the light, I found the room robbed.
(3)I parked the car and switched the engine.
to
on
off
3. motivate　 v.成为……的动机；激发，激励
(教材原句)I bet you're as eager as I am to find out just how many have been motivated enough to last the full seven days！　
我敢肯定你们跟我一样急于知道这个活动激励了多少人坚持了整整7天！
We must motivate students to take charge of their own learning.
我们必须激励学生自主学习。
Motivation and goal setting are the two sides of the same coin.
动机和目标设定是同一枚硬币的两面。
【知识拓展】
(1)motivate sb. to do... 激励某人做…… be motivated by...受……激励/激发
(2)motivation n. 动力；动机 (3)motivated adj. 积极的；主动的
【即学即练】单句语法填空
(1)If someone is really highly motivated others, they can learn really quickly.
(2)Unless you can sleep well, you will lose the ability to focus, plan and stay
(motivate) after one or two nights.
(3)(2024 浙江1月高考)Jessica Pink, an undergraduate student, suggests taking online courses with a friend, so you can motivate each other (stay) on track.
(4)Jack is an intelligent pupil，but he lacks (motivate).
by
motivated
to stay
motivation
4. occupy　 v.占用，占去(时间)；占领；占据
(教材原句)But on reflection，I can see how much of my time had been occupied with checking my phone.
不过，仔细想来，我可以知道查看手机到底占据了我多少时间。
Having retired from business，he is occupied with the welfare of the disabled.
退休后，他忙于残疾人的福利事业。
The moderator occupies herself in making TV programs every day.
这位主持人每天忙于电视节目的制作。
【知识拓展】
(1)occupy oneself with sth./(in) doing sth.忙于(做)某事
(2)occupied adj.已占用的；无空闲的
keep sb. occupied 使某人忙碌 be occupied with sth./(in) doing sth.忙于(做)某事
(3)occupation n.工作，职业；占领
【即学即练】单句语法填空
(1)Doing housework keeps her (occupy) every day.
(2)I suppose I was looking for a(n) (occupy) which was going to be an adventure.
(3)Later, I went to a restaurant to have lunch, but all the tables (occupy).
occupation
occupied
were occupied
1. throw in the towel　 认输
(教材原句)I'm embarrassed to say that I threw in the towel on the first day!
我真是不好意思说，我第一天就认输了！
Don't throw in the towel！It needs a little more patience.
别放弃！它需要多一点耐心。
The person who bought the house or moved is the one who throws the party.
买房子或搬家的人就是举办宴会的那个人。
【知识拓展】
throw oneself into 投身于；热衷于；积极从事 throw away 扔掉，丢弃
throw up 呕吐 throw a party 举行宴会；开舞会
【即学即练】单句语法填空
(1)Don't throw a great opportunity like this.
(2)Don't chew the tablets before swallowing, or you may throw them ．
完成句子
(3)如果你全力以赴地干这项工作，你今晚就能完成。
If you ,you'll finish it by this evening.
away
throw yourself into the job
up
2.rely on/upon＝depend on/upon　 依靠，依赖；信赖
(教材原句)Awareness of just how much we rely on social media can help us step away from it and communicate with each other better.
意识到我们对社交媒体有多依赖可以帮助我们远离社交媒体，更好地互相交流。
We rely on his finishing the work today.
我们信赖他今天能完工。
I rely upon you to finish the work on time.
我相信你会按时完成这项工作的。
【知识拓展】
(1)rely on/upon...to do/doing...　依赖……做……
rely on/upon sb./sth. for sth. 在某事上依赖/指望某人/物 rely on it that...指望…；相信…
(2)reliable adj. 可信赖的；可依赖的；可靠的
【即学即练】单句语法填空
(1)Earthquakes can be destructive. Unfortunately, we don't have a(n) (rely) way to predict.
(2)To be honest, he is not a man who can (rely) on.
(3)Many people now would rely on (surf) the Internet rather than read newspaper
for news.
surfing
be reliable
reliable
1.if型省略结构
(教材原句)And what, if anything, has been learnt from the experience
并且如果有的话，他们能从这次经历中学到什么呢？
The painter's work has，if anything，become more tactile.
如果说这个画家的作品有什么变化的话，那就是变得更有触感了。
—Have you got any particular plans for the coming holiday
——你对即将到来的假期有什么特别的计划吗？
—Yes. If possible，I'm going to visit some old people in the city.
——有的。如果可能的话，我要去看望城里的一些老人。
【知识拓展】
if anything属于if型省略结构，意为“如果有什么(区别)的话”。
if型省略结构还有：if so 如果是这样的话 if not 如果不这样的话；如果没有
if ever 如果有过/发生过的话 if any 如果有的话
if possible 　如果有可能的话 if necessary 如果有必要的话
【即学即练】完成句子
(1)驶经动物时，应缓慢行车，让出充足空间给它们走动，并准备在有需要时停车。
Go slowly when driving past animals. Give them plenty of room and be ready to stop if ．
(2)如果你所采取的措施发挥了作用，坚持下去。如果没有，再看一下其他方法。
If the steps you take are working，keep it up. ，take another look at other methods.
necessary
If not
2.“It seems that...”意为“看起来……，似乎/好像……”
(教材原句)After reading the posts on this forum，it seems that something other than money has also been raised through the detox.
看完这个论坛上的帖子后，不难发现这个活动的收获似乎不仅仅是钱，还有其他东西。
It seems that the attack this morning was very carefully planned to cause few casualties.
今天早上的攻击似乎是经过精心策划，想要尽量减少伤亡。
I seem to remember giving you very precise instructions.
我好像记得给过你非常明确的指示。
【知识拓展】
(1)seem (to be)＋adj./现在分词/过去分词/介词短语 看起来……，似乎/好像……
(2)seem to do/be doing/have done 似乎/好像要做/在做/已经做了……
(3)It＋seems/seemed(＋to sb.)＋that... (对某人来说)似乎/好像……
(4)There seems to be... 似乎/好像有……
【即学即练】单句语法填空
(1) seems as if you have something on your mind.
(2) seems to be something wrong with the engine.
同义句转换
(3)He seems to have come to terms with losing his sight.
→ .
It
There
It seems that he has come to terms with losing his sight
1. private privacy
2. motivate motivated motivation
3.occupy occupied
occupation
4. access accessible
5. equip equipped equipment
6. rely reliable
7.aware awareness
认知词汇
拓展词汇
detox
average
fundraising
device
profile
distract
towel
resist
account
forum
Summary
应用词汇
1. security:a sense of security;secure; be secure about...
2. switch:switch on/off
3. motivate:motivate sb to do;
be motivated by;motivated; motivation
4. occupy: occupy oneself in/with; be occupied with/in;occupation
核心短语
1.on average
2.a total of
3.switch on
4.on reflection
5.be occupied with
6.miss out
7..be up to
8.make full use of
9.throw in the towel
10.rely on
11.catch up on
1.if型省略结构
if so 如果是这样的话
if not如果不这样的话；如果没有
if ever如果有过/发生过的话
if any如果有的话
if possible如果有可能的话
if necessary 如果有必要的话
2.“It seems that...”意为“看起来……，似乎/好像……”
eg：It seems that the attack this morning was very carefully planned to cause few casualties.
重点句式
Ⅰ单词拼写
1. It is reading varied masterpieces that (占用) most of my free time.
2. One of the purposes of the United Nations is to maintain international peace and
(安全).
3. Jack is an intelligent student，but he lacks (动力) to try for a license.
4. She made the (转变) from full time to part time work when her first child was born.
5. If we admit it is a door, they'll want to go outside (不断地).
6. We first build up a detailed (概况) of our customers and their requirements.
7. They aren't (分散) by friends wanting to play football or thinking about what they want for Christmas next year.
课时重点回顾
occupies
motivation
security
switch
constantly
distracted
profile
Ⅱ单句语法填空
1. Moran hopes to widen the audience for jazz，make the music more (access)，and preserve its history and culture.
2. reflection, she decided to accept their offer and join the company.
3. George is very (rely) and the teachers know they don't need to motivate him.
4. A dancer must throw herself every performance.
5．Examinations do not motivate a student (seek) more knowledge.
6. The librarian often switches the computer the moment she gets to the library.
accessible
reliable
On
into
to seek
on
Ⅲ 补全句子
1. 表情符号似乎是我们生活的世界的一面镜子。
emojis are a mirror of the world we live in.
2.如果有必要，这位器官捐赠者将去X光室拍身体部位的X光片。
, the organ donor will go to the X-ray room to have pictures of his body parts taken.
3.我们学校的每一个寄宿生都可以使用新图书馆。
Our new school library every boarder in our school.(accessible adj.)
4.当我进来的时候，学生们正忙着做作业。
When I came in，the students their homework.(occupied adj.)
It seems that
is accessible to
were occupied with/(in) doing
If necessary
To him that does everything in its proper time, one day is worth three.
事事及时做，一日胜三日。