外研版英语八年级上册 Unit 4 Digital life 知识总结(含写作指导)

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名称 外研版英语八年级上册 Unit 4 Digital life 知识总结(含写作指导)
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更新时间 2025-05-26 17:11:54

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/ 让教学更有效 高效备考 | 英语学科
外研版英语八年级上册 Unit 4 Digital life 知识清单
一、重点词组搭配
(一)数字技术与设备相关
smartphone /'sma tf n/n. 智能手机
code /k d/n. 编码,编号,标记
wallet /'w l t/n. 钱包,皮夹子
payment /'pe m nt/n. 支付,付款
system /'s st m/n. 系统
cash /k /n. 现款,现金
app / p/n. 应用程序
delivery /d 'l v ri/n. 递送,交付
device /d 'va s/n. 设备,仪器
digital payment 数字支付
payment system 支付系统
shared bike app 共享单车应用
digital wallet 数字钱包
QR code 二维码
(二)功能与操作
make digital payments 进行数字支付
ride a shared bike 骑共享单车
order dishes through an app 通过应用程序点餐
show the QR code 出示二维码
connect with others 与他人联系
check progress 查看进展
light up 照亮,变得明亮
throw away 扔掉
take up 占据(时间、空间)
save time 节省时间
(三)感受与态度
cost an arm and a leg 花费一大笔钱
take forever 花费很长时间
feel tired and hungry 感到又累又饿
be bored with 对…… 感到厌烦
be excited about 对…… 感到兴奋
be interested in 对…… 感兴趣
look forward to 期待
give up on 放弃
have a great holiday 度过一个愉快的假期
(四)时间与范围
except for 除…… 之外
in the old days 在过去
in the future 在未来
for example 例如
instead of 代替,而不是
all the time 一直,始终
from beginning to end 从头到尾
二、重点句型用法
(一)数字生活描述
Today, we cannot live without technology.
(今天,我们的生活离不开科技。)
The technology there lets me live a more convenient life!
(那里的科技让我过上了更便捷的生活!)
Digital technology is a big part of their everyday life.
(数字技术是他们日常生活的重要组成部分。)
Smartphones are really useful, but we shouldn't let them take up all our time.
(智能手机非常有用,但我们不应该让它们占据我们所有的时间。)
(二)经历与问题
But it took forever to find a bike!
(但花了好久才找到一辆自行车!)
That 15 - minute ride cost me an arm and a leg - more than five pounds.
(那 15 分钟的骑行花了我一大笔钱 —— 超过五英镑。)
I asked the shopkeeper to show the QR code, but she didn't understand!
(我让店主出示二维码,但她不明白!)
When my dishes finally arrived 90 minutes later, they were stone cold!
(当我的菜终于在 90 分钟后送达时,已经凉透了!)
(三)观点与建议
In my opinion, digital technology has made our life easier.
(在我看来,数字技术让我们的生活更轻松。)
We should use digital devices wisely.
(我们应该明智地使用数字设备。)
There are lots of things to do in the real world.
(现实世界中有很多事情可以做。)
What effect has digital technology had on your life
(数字技术对你的生活有什么影响?)
(四)未来展望
What will life be like in the future
(未来的生活会是什么样的?)
I think people's life will be more digital in 50 years' time.
(我认为 50 年后人们的生活会更加数字化。)
Schools in the future will be very different from now.
(未来的学校将与现在大不相同。)
Digital technology will change every part of our life.
(数字技术将改变我们生活的方方面面。)
三、语法点详细梳理
(一)动词不定式作宾语补足语(Infinitive as object complement)
1.构成:动词 + 宾语 + 动词不定式(to do)
2.常用动词
ask(要求):I asked the shopkeeper to show the QR code.(我让店主出示二维码。)
allow(允许):Mobile payment allows us to use our smartphones to pay for things easily.(移动支付允许我们轻松使用智能手机付款。)
help(帮助):Online education helps us learn new things anytime, anywhere.(在线教育帮助我们随时随地学习新事物。)
let(让):The technology there lets me live a more convenient life!(那里的技术让我过上更便捷的生活!)
make(使):Shared bikes have made us get around cities more conveniently.(共享单车使我们在城市中出行更方便。)
encourage(鼓励):Such apps also encouraged me to explore fun knowledge.(这样的应用程序也鼓励我探索有趣的知识。)
注意事项
let, make 等使役动词后,动词不定式省略 to。
例如:Let me help you.(让我帮你。)He made me laugh.(他让我笑了。)
ask, allow 等动词后,动词不定式不能省略 to。
例如:She asked me to go with her.(她让我和她一起去。)
(二)现在完成时(Present perfect tense)
1.构成:have/has + 过去分词
2.用法
过去发生的动作对现在的影响:
Except for today, I've had a great holiday.
(除了今天,我度过了一个愉快的假期。)(现在假期即将结束,整体感觉愉快。)
过去开始并持续到现在的动作或状态:
I've studied in China for a year.
(我在中国学习了一年。)(从过去某时开始学习,持续到现在。)
标志词:already, yet, just, ever, never, for + 时间段,since + 时间点等。
例如:I have been back in the UK for three days.(我回到英国已经三天了。)
She has lived here since 2020.(她从 2020 年起就住在这里。)
(三)so...that... 引导的结果状语从句
1.构成:so + 形容词 / 副词 + that + 从句
2.用法:表示 “如此…… 以至于……”,强调结果。
例如:When I got home, I was so tired that I gave up on cooking.
(当我到家时,我太累了以至于放弃了做饭。)
3.拓展:当 so + 形容词位于句首时,句子要部分倒装。
例如:So convenient is digital payment that many people use it every day.
(数字支付如此便捷,以至于很多人每天都使用它。)
四、本单元话题书面表达写作指导学案
(一)写作结构
1.引言(Introduction):引出数字生活的主题,提出论点(如 “数字生活有利有弊”)。
2.主体(Main body)
正面影响:分点论述数字生活的优势,如方便、高效、信息丰富等,结合具体例子。
负面影响:分点论述数字生活的问题,如隐私安全、社交障碍、健康问题等,结合具体例子。
结论(Conclusion):总结观点,提出建议(如合理使用数字技术,平衡线上线下生活)。
(二)写作要点
1.细节与例子
引用课文中的例子:如作者在英国的数字生活困扰,Timmy 的手机使用经历。
结合生活实际:如自己使用共享单车、数字支付的体验。
逻辑衔接
表示对比:however, but, on the other hand
表示列举:first, second, besides, furthermore
表示总结:in conclusion, all in all, to sum up
语言准确
正确使用本单元所学的重点词组和句型,如 digital payment, take forever, cost an arm and a leg, allow sb. to do sth., so...that... 等。
正确使用动词不定式作宾语补足语、现在完成时等语法点。
(三)写作示例(Digital life: advantages and disadvantages)
Outline(写作提纲)
Title
(题目) Digital life: advantages and disadvantages
(数字生活:优点和缺点)
Introduction
(引言) Digital technology has changed our life greatly. But does it bring more advantages or disadvantages
(数字技术极大地改变了我们的生活。但是它会带来更多的优点还是缺点呢?)
Main body
(主体) Advantages:1. Makes life convenient (digital payment, shared bikes)2. Helps us learn and work better (online education, smart office)3. Connects people worldwide (social media)Disadvantages:1. Causes privacy problems (personal information leakage)2. Leads to less real communication (people focus on screens)3. Harms health (eye problems, lack of exercise)
(优点:1。让生活更便捷(数字支付、共享单车)2. 帮助我们更好地学习和工作(在线教育,智能办公室)3. 连接全世界的人(社交媒体)缺点:1。造成隐私问题(个人信息泄露)2. 导致更少的真实交流(人们专注于屏幕)3. 危害健康(眼疾、缺乏锻炼))
Conclusion
(结论) Digital life is useful, but we should use it wisely and keep a balance between online and offline life.
(数字生活是有用的,但我们应该明智地使用它,并在在线和离线生活之间保持平衡。)
参考范文
Digital life: advantages and disadvantages
In recent years, digital technology has become an important part of our life. It has changed the way we live, work and communicate. But like everything else, digital life has both advantages and disadvantages.
On the one hand, digital life brings us many conveniences. For example, digital payment allows us to buy things without carrying cash, which is very convenient and safe. Shared bike apps make it easy for us to travel around the city, saving both time and money. Moreover, online education helps us learn new knowledge anytime, anywhere. We can take courses from top teachers around the world through the internet. Social media also connects us with friends and family who live far away, making the world smaller.
On the other hand, digital life also has some disadvantages. One of the biggest problems is privacy. When we use digital devices, our personal information may be leaked, which can bring us trouble. Another problem is that people are spending more time on screens and less time communicating with others in real life. This can lead to feelings of loneliness and affect our relationships. What's more, using digital devices for a long time is bad for our health. It can cause eye problems and a lack of exercise.
In conclusion, digital life has made our life more convenient and colorful, but it also has some drawbacks. We should use digital technology wisely, protect our privacy, and spend more time on real-life activities. Only in this way can we enjoy the benefits of digital life while avoiding its problems.
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