Unit 4 Understanding ideas 语言点（35页）课件 204-2025学年高一英语外研版（2019）必修第一册

(共35张PPT)
Unit 4 Understanding ideas
Click For A Friend？
一键交友？
语言点课件
forever /f r ev / adv. 永远
familiar/f m li / adj. 熟悉的
adventure / d vent /n.历险，奇遇
prefer/pr f / v.更喜欢
click/kl k/ v. 点击（鼠标）
lost track of 不了解...的情况，不了解...的动态
deliver /d l v / v.传递，传送
thanks to 归功于...多亏了...
advance / d'vɑ ns/ n. 进步，进展
significantly/s ɡ n f k ntli/ adv.重大地，显著地
social media 社交媒体
maintain/me n te n/ v.保持，维持
wi-fi / wa fa / n. 无线网络，无线上网
digital / d d tl/adj. 数字的，数码的
enable / ne b( )l/ v.使可能，使发生
unusual / n ju u l/ adj. 异常的，不平常的
site /sa t/ n. 网站
tend /tend/v. 易于做某事， 往往会发生某事
update / p de t/ n. 最新消息
saying / se - / n. 格言，谚语，警句
criminal/ kr m n( )l/ n. 罪犯
bathwater / bɑ θ w t / n. 浴水，洗澡水
throw the baby out with the bathwater 不分良莠一起抛弃
acquire/ kwa / v. 获得，得到
goods/ɡ dz/ n. 商品
prove/pru v/ v. 证明，证实
illustrate/ l stre t/ v. （举例）说明，阐明
diagram / da ɡr m/ n. 图解，示意图
Vocabulary
本课重点短语
lose track of
thanks to
move around the world
stay in touch with
social media tools
be up to
the digital age
connect... with
keep in mind
Unit 4 Friends forever
永远的朋友
Understanding ideas
CLICK FOR A FRIEND
一键交友？
How would you feel if moving to a new town meant losing track of your friends What if the only way of getting news from faraway friends was writing letters that took ages to be delivered This was how things worked not very long ago. Thanks to advances in technology, how we make friends and communicate with them has changed significantly.
如果搬到一个新的城镇意味着与朋友失去联系，你会作何感受？如果只有通过写信和漫长的等待才能得知远方朋友的消息，你会怎样？直到不久之前，现实情况还都是这样的。然而，得益于技术的进步，我们结交朋友、与朋友沟通的方式已经有了明显的改变。
1.▲mean doing sth. 意味着干某事；意思是……
Doing one thing well doesn’t mean doing exactly one thing.
做好一件事情并不意味着仅仅做一件事情。
To tell the good ones from piles of apples means wasting a lot of labour.
从成堆的苹果中挑出好的来，这就意味着要花费大量的劳动力。
2.▲lose track of 不了解……的情况，不了解……的动态；忘记，失去联系
I lost track of all my teammates over the years.
这些年我不了解我的队友们的情况。
She lost track of her friends at camp after summer.
夏天过后，她就和她一起宿营的朋友失去了联系。
He had lost track of what he was saying and began to repeat it again.
他忘记了自己讲的话题，又开始重复起来。
3.▲what if... 假使……将会怎样；如果……怎么办
What if this doesn’t work out 如果这行不通怎么办呢？
What if the train is late 火车要是晚点会怎么样呢？
What if I forget my password 如果我忘了我的密码怎么办？
4.▲thanks to多亏了，幸亏，多谢；由于
Everyone knows about it now, thanks to you!
多亏了你，现在大家都知道了。
Thanks to the timely help, many lucky people survived the earthquake.
多亏了及时的帮助，很多幸运的人得以在地震中幸存下来。
Thanks to your inspiration, I am successful.
多亏了你的鼓励，我才取得成功。
5.▲communicate with... 与……交流/联系；沟通/通话
The novel is about a family who can’t communicate with each other.
这部小说写的是成员彼此无法沟通的一个家庭。
Many teenagers are not willing to communicate with their parents because they think their parents would not understand them.
很多青少年不愿意和父母沟通，因为他们觉得父母不会理解他们。
Internet enables us to communicate with others at any time, even though they are far away from us.
互联网能够让我们随时和别人进行交流，即使他们在很远的地方。
6.▲significantly adv. 显著地；相当数量地
American English is significantly different from British English.
美国英语与英国英语有很多差异。
The two sets of figures are not significantly different.
这两组数字没有明显的差别。
Profits have increased significantly over the past few years.
几年来，利润大幅度提高了。
Nowadays, we can move around the world and still stay in touch with the people that we want to remain friends with. Social media tools let us see what our friends are up to and maintain friendships. All you need is a wi-fi connection.
如今，我们可以一边周游世界，一边仍可与想要与之维持友谊的人们保持联系。通过社交媒体工具，我们能知晓朋友的动向、维系彼此间的友谊。而这一切只要有无线网络就可以实现。
7.▲nowadays adv. 如今（常用于将现在的风俗习惯等与过去相比时）现在；现时；现今
Nowadays the young people in China like to wear jeans.
如今中国的年轻人喜欢穿牛仔裤。
They know everything nowadays.如今他们什么都知道了。
She is rarely seen in public nowadays.如今她很少公开露面。
8.▲stay in touch with... 保持联系；与……保持联络
Many young Chinese use the Wechat to stay in touch with their friends.
很多年轻人使用微信与朋友保持联系。
I still stay in touch with my old friends. 我依然与老友们保持联系。
It’s a great way to stay in touch with friends when I am extremely busy.
当我非常忙时，这是一个很好与朋友保持联络的方式。
9.▲be up to sth. 忙于，从事着（尤指坏事）；在捣鬼，干什么，取决于，胜任某事
What have you been up to this week 这个星期你一直忙些什么？
The children are very quiet. I wonder what they are up to.
孩子们很安静，我想知道他们在搞什么鬼。
It’s up to you whether we accept the present or not.
由你决定我们是否接受这些礼物。
The digital age also enables us to find people who share our interests, such as collecting model cars or playing an unusual instrument. Whatever our hobbies, the Internet can connect us with others who also enjoy doing them, even if they live on the other side of the world.
数字时代还可以帮我们找到志趣相投的人 --- 例如收集汽车模型或演奏不寻常的乐器。不管我们的爱好是什么，我们都能在网上结识同好，哪怕他们主宰世界的另一端。
10.▲enable sb. to do sth. 使某人能做某事
The project enables them to show creativity as much as
possible.
这个项目使他们能够尽可能展现创造力。
This dictionary enables us to understand English words.
这本词典能使我们理解英语词汇。
This job enables you to have a bright future.
这份工作能使你有一个光明的未来。
11.▲Whatever our hobbies, 这是省略了are的让步状语从句。
Whatever the result is, we should accept it with a smile, because we have tried our best.
无论结果怎样，我们都要微笑着接受，因为我们已经尽了全力。
Whichever and whatever you like, there is a theme park for you!
无论你喜欢哪一个，不管你喜欢什么，都会有一个适合你的主题公园！
Whatever you do, it’s important that you try your best.
无论你做什么，重要的是尽力而为。
【比较拓展】
“疑问词 + ever”引导让步状语从句可以和“no matter + 疑问词”引导让步状语从句互换。
No matter where you work, you can always find time to study.
不管你在哪里工作，你总能找到时间学习。
No matter what happens, I’ll always stand by you.
无论发生什么事，我将永远支持你。
I ensure I’ll help you no matter when you have difficulties. = I ensure I’ll help you whenever you have difficulties.我保证无论何时只要你有困难，我就会帮你。
No matter what you do, you must put your heart into it. = Whatever you do, you must put your heart into it.无论你做什么，你必须全身心地投入。
【注意】
Whatever, whichever, who(m)ever既可引导让步状语从句，又可引导名
词性从句，no matter what, no matter which, no matter who(m)只引导让步
状语从句。
Please give the flowers to whoever gets to the finish line first.
请把花给第一个到达终点线的人。
Whatever she says will not make any difference to our arrangements.
无论她说什么都不会对我们的安排有影响。
【练一练】
不管他什么时候到达，我们都会等候他。
___________________________________________, we will wait for him.
不管你对巴黎多么熟悉，也很容易迷路。
__________________________________________________________, it is easy to get lost.
不管你去哪里，我们都和你在一起。
__________________________________________, we’ll always be together.
No matter when he arrives/Whenever he arrives
No matter how well you know Paris/However well you know Paris
No matter where you go/Wherever you go
12.▲connect sb. with sth.用……把……联系/连接/关联起来
The canal was built to connect the river with the lake.
人们建造运河把这条河流同这个湖泊连接起来。
There was nothing to connect him with the crime.
他与那起犯罪毫无关联。
A pedestrian bridge now connects the parking garage with the mall.
现在一座人行天桥连通车库和购物中心。
13.▲even if /though 即使 是连词词组， 引导让步状语从句，如果主句、从句都表示将来的动作，从句中要用一般现在时来表示一般将来时。
I will not give up even if there is only a gleam of hope.
哪怕只有一线希望我也不会放弃。
With computers, we feel very near even if we are really far away.
有了电脑，即使我们距离很远也感到很近。
【注意】
在even if或even though引导的让步状语从句中，如果主句的主语和从句的主语一致，且从句中有be时，可以把从句的主语和be省略。
The man is so strange that he never speaks even if (he is ) asked to.
那个人太奇怪了，即使问他，他也不说话。
【练一练】
尽管我忙于功课，我还是设法挤出时间和朋友们一起闲逛。
_____________________________________, I have managed to find time to hang out with my friends.
老师鼓励学生们在课堂上积极地发表自己的看法，即使看法与他的不同。
The teacher inspires his students to give their opinions actively
_________________________________.
Even if/though I am busy with my lessons
even if they are different from his own
But when you “friend” people online, does this mean that they really are your friends
It depends.
然而，在网上跟别人“结为朋友”， 这就意味着他们真的是你的朋友吗？
这要视情况而定。
14.▲It depends. 这视情况而定。这要视情况而定。
Sometimes I’m carsick and sometimes I’m not. It all depends.
有时我会晕车，有时不会。这得看情况。
It all depends on your character.这完全取决于你的性格。
I might not go. It depends how tired I am.
我不一定去。这要看我累不累。
It depends partly on the weather.这部分取决于天气状况。
If people always exchange true personal information online, then yes, these friendships can be real and meaningful. But we need to keep in mind that what we see on social media is often not the whole truth about a person.
如果人们在网上交换的个人信息都是真实的，那么答案为“是的”， 这种友谊是真实且有意义的。但我们需要谨记，我们在社交媒体上看到的，往往不是一个人的全部真面目。
15.▲keep in mind that...(= bear in mind that...)记住……;记在心里……
Keep in mind that the price does not include flights.
记住：这个价格不包括机票。
Always keep in mind that your main task is to get this company running smoothly.
永远记住，你的主要任务是让这家公司平稳运转。
Keep in mind that kids sleep better if they exercise every day and have some quiet activities at night.
切记，如果孩子每天锻炼身体，晚上只进行一些安静活动，他们就睡
得更好更香。
On social media sites, people tend to post only positive updates that make them appear happy and friendly. But smiling photos can hide real problems. Remember the saying: on the Internet, nobody knows you’re a dog. A young person could be old; a woman could be a man; we could even be sharing our information with criminals.
在社交网站上，人们倾向于只发布正面的信息，塑造自己快乐且友善的形象。然而，微笑的照片会掩盖真正的问题。记住这句话：在网络上，没人知道你是一条狗。（网上展示的）年轻人形象的背后可能是个老人，而女性形象的背后也可能是个男人，我们分享个人信息的对象甚至可能是罪犯。
16.▲tend to do sth.倾向于做某事
Women tend to live longer than men.女人往往比男人长寿。
When I’m tired, I tend to make mistakes.我累了就容易出错。
Men tend to put on weight in middle age.男人到了中年体重往往会增加。
I tend to have a different answer, depending on the family.
我倾向于根据不同的家庭给出一个不同的答案。
17.▲saying n.格言，谚语，警句，常言 As the saying goes常言道
As the saying goes, the early bird catches the worm.常言道早起鸟儿有虫吃。
There is a saying that information is power.有个谚语说：信息就是力量。
“Accidents will happen”, as the saying goes.常言道：“意外事，总难免。”
We also realize the truth of that old saying: Charity begins at home.
我们也明白那句老话很有道理：仁爱始于家庭。
常用短语：
There’s a saying that...有谚语说……
There is no saying that... 难以断言（很难说）……
There is no saying what may happen.很难说会发生什么事。
There is no saying how long the bad weather is going to last.
这糟糕天气还要持续多久是个未知数。
18.▲On the Internet, nobody knows you’re a dog. 在网络上，没人知道你是一条狗。
As the well-worn saying goes, on the internet, nobody knows you’re a dog.
人们常说一句话，在互联网上，没人知道你是一只狗。
As a New Yorker cartoon noted some years ago, “on the internet, nobody knows that you’re a dog.”
几年前一副“纽约客”的漫画指出，“在互联网上，没有人知道，你是狗。”
19.▲share ... with ... 与……分享……; 与某人分享某事
I want to share my life with you. 我想和你共享我的生活。
Share your stories with him.和他分享你的故事。
You can ask the question to your friend who has offered to share
her books with you.
你可以向愿意和你分享她的书的朋友提出这个问题。
The more you share with others, the more others share with you.
如果你和别人分享你所拥有的，那么别人也会和你分享他有的。
But this doesn’t mean that we should throw the baby out with the bathwater. Although technology has changed the way we acquire friends, the meaning of friendship and our longing for friends remain the same. As Aristotle said, no one would choose to live without friends, even if he had all other goods.
但是，这并不意味着我们应该因噎废食、弃沙抛金。尽管技术已经改变了我们结交朋友的方式，友情的意义和我们对友谊的渴望依然不变。正如亚里士多德所说：没有人会选择没有朋友的生活，哪怕他拥有其他所有财富。
20.▲throw the baby out with the bathwater不分良莠一起抛弃，不分青红皂白一股脑甩掉
What we mustn’t do is throw the baby out with the bathwater.
我们一定不能良莠一起抛。
In the moment of panic, we shouldn’t throw out the baby with the bathwater.
在恐慌的时候，我们不应该不分好坏的排斥。
But some things are really working well! Why throw the baby out with the
bathwater
但是很多都做得挺好的。为什么要弃沙抛金？
21.▲remain the same依然不变；保持不变；依然如故；万变不离其宗
Its size and type remain the same.它的大小和类型保持不变。
Train fares are likely to remain unchanged.火车票价很可能会保持不变。
The problems remain to be solved about his work.
关于他工作的问题仍有待解决。
22.▲As Aristotle said正如亚里士多德所说 是非限制定语从句。
as意思是“正如”，“正像”，“如同”。
She enjoys all kinds of music, as I do.她和我一样什么音乐都喜欢。
As you can see, we’re still working. 如你看到的，我们仍在工作。
As is known to us all, Taiwan is part of China.众所周知,台湾是中国的一部分。
1.mean doing sth.
2. lose track of
3. what if...
4. thanks to
5. communicate with...
6.significantly
7. nowadays
8. stay in touch with...
9. be up to sth.
10.Whatever our hobbies
意味着干某事；意思是…….
不了解……的情况，不了解……的动态
假使……将会怎样；如果……怎么办
多亏了，幸亏，多谢；由于
与……交流/联系；沟通/通话
adv. 显著地；相当数量地
adv. 如今；现在；现时；现今
保持联系；与……保持联络
忙于，从事着
复习回顾
“不管我们的爱好是什么”,是让步状语从句
11. connect sb. with sth.
12.even if /though
13. It depends.
14. keep in mind that...
15. tend to do sth.
16. As the saying goes
17.share ... with ...
18. throw the baby out with the bathwater
19. remain the same
20. As Aristotle said
即使 是连词词组， 引导让步状语从句
这视情况而定。
记住……;记在心里……
倾向于做某事
常言道
与某人分享某事
不分良莠一起抛弃
依然不变；保持不变；依然如故
正如亚里士多德所说
将用……把……联系/连接/关联起来
复习回顾
1. Recite the phrases we have learned.
2. Read the text again, and try to keep the language points in mind.
Homework