内容正文:
Unit 3
Our digital lives
八年级英语上册·沪教版2024
1
单元学习目标
2
单元知识图谱
3
核心词汇
4
重点句型
5
单元语法
7
课堂巩固
6
主题写作
目 录
了解并谈论电脑的历史。
一
理解数字技术是如何改变生活的。
二
正确使用形容词的比较级和最高级(一)。
三
分析互联网对日常生活产生的积极和消极影响。
四
学习目标
3
单元知识图谱
Our
digital lives
短语
动词
名词
形容词
warn, interview, download
单词
connect to, bring big changes to, mobile payment, take...for example, rubbish bin, social media, in person, the general public
写作
对互联网的看法
语法
形容词比较级(一)
flood, expert, payment, treatment, company, traffic, laptop, weight, message, opinion, novel, comment, breakthrough, app, era, data
mobile, digital, social, major, electronic, tiny
形容词最高级(一)
4
核心词汇
根据首字母填写单词
1. The project went s________ with everyone’s help.
2. The doctor gave him a new t________ for his cold.
3. My uncle is an e________ in teaching math.
4. The box’s w________ is too heavy for me to carry.
5. Can you help me d________ this English song from the Internet?
moothly
reatment
xpert
eight
ownload
词汇拓展:smooth(形容词)表示“顺利的”
词汇拓展:treat (动词)表示“对待,处理,治疗“
词性拓展:weigh (动词)表示“称重”
词性拓展:(反义词)upload 上传
形状相似的词:expect 期待;except 除了
5
核心词汇
1. 连接
2. 给……带来重大变化
3. 移动支付
4. 以……为例
5. 垃圾箱
6. 社交媒体
7. 亲自,亲身
8. 公众,大众
相似意思的词组:trash can
相似意思的短语 face to face
connet to
bring big changes to
mobile payment
take...for example
rubbish bin
social media
in person
the general public
根据汉语写出对应的英语短语
核心词汇
词汇辨析
message message 作可数名词,表示“书面或口头的)信息”。
e.g. Miss Lin isn’t in. May I take a message for you?
林女士不在。我能为你带个口信吗?
information information 作不可数名词,表示“泛指通过阅读、观察或交流获得的知识或情报,侧重抽象内容”。
e.g. I need to find more information about animals.
我需要为科学作业查找更多关于动物的信息。
news news 作不可数名词,表示“指通过报纸、电视、网络等传播的 “新闻、时事消息”。
e.g. She was happy to hear the good news about her exam results.
听到考试成绩的好消息,她很高兴。
核心词汇
词汇辨析
a number of 大量的……,接可数名词,谓语动词用复数形式。
e.g. A number of fish swim in the river. 许多鱼在河里游泳。
the number of ……的数量,接可数名词复数,谓语动词用单数形式。
e.g. The number of fish in river is 1000. 河里的鱼儿数量是1000条。
a large amount of 大量的……,接不可数名词,谓语动词用单数形式。
e.g. There is a large amount of water in the bottle. 瓶子里有大量的水。
the amount of ……的数量,接不可数名词。
e.g. The amount of milk in the glass is small. 玻璃杯里牛奶的量很少。
核心词汇
单项选择
1. She left a _______ for her mom to call back.
A. news B. message C. messages D. new
2. He spent a large _______ of money buying new books.
A. amount B. number C. amounts D. numbers
3. The internet provides a lot of useful _______ for students.
A. news B. information C. message D. messages
4. _______ students joined the volunteer activity last week.
A. The number of B. The amount of C. A number of D. The amount
针对训练
9
重点句型
1. In a smart home, a lot of devices are connected to the internet. 在智能家居里,很多设备都被连接到了互联网。(教材p36)
...be connected to... ,表示“……被连接到……上”;
...connect to... ,表示“……连接到……”。
e.g. The printer is connected to the computer.
打印机被连接到电脑上。
Can you help me connect the speaker to the computer?
你能帮我把音箱连接到电脑上吗?
10
重点句型
2. You can control these devices even when you are not at home. 甚至当你不在家的时候,你也可以控制这些设备。(教材p36)
control 作动词,表示“控制,支配”,过去式controlled。
control 作名词,表示“控制,支配”。词组有be in control (of) 掌管/控制;under control 处于控制之下;out of control 失去控制。
e.g. The car skidded on the icy road and started to lose control.
汽车在结冰的路面上打滑,开始失控。
The situation got out of control quickly.
局势很快失控了。
重点句型
3. We’ll probably wear small devices all the time, and they’ll check our health and warn us about health problems. 我们或许会一直佩戴小型设备,它们会监测我们的健康状况,并就健康问题向我们发出预警。(教材p37)
warn sb. about / of sth. ,表示“警告/提醒某人某事”;
warn sb. (not) to do sth. ,表示“警告某人(不要)做某事”。
warn (sb.) that + 句子
e.g. I warmed him of the danger.
我警告他有危险。
The police warned drivers to slow down on this road.
警察告诫司机在这条路上减速慢行。
12
重点句型
完成句子
1. 妈妈提醒我看完电视前要完成作业。
My mother _______ me_______ _______ homework before watching TV.
2. 你可以通过输入密码把手机连接到无线网络。
You can _______ your phone_______ the Wi-Fi by entering the password.
3. 火势终于得到了控制。
The fire was finally _______ _______ .
4. 父母总会警告孩子提防陌生人。
Parents always _______ their kids_______ strangers.
warns to finish
connect to
under control
warn of / about
针对训练
13
单元语法
14
单元语法
规则变化:
比较级,用于两者之间的比较,表示 “更……”。
形容词比较级
单元语法
比较级前可添加的修饰词:
表示“……得多”:even, much, far, a lot
表示“……一点”: a bit, a little
用法:
① “比较级 + than... ” 表示 “……比……更……”。
e.g. He is taller than me. 他比我高。
② “比较级 + and + 比较级” 表示 “越来越……”。
e.g. He is taller and taller. 他越来越高了。
Her stories are more and more interesting. 她的故事越来越有趣了。
形容词比较级
单元语法
用法:
③ “the比较级,the + 比较级” 表示“越……,就越……”。
e.g. The harder you study,the more you know. 你学习越努力,你知道得就越多。
④ “A…+ 倍数 + 比较级 + than + B” 表示“A是B的几倍……”。
e.g. This room is three times bigger than that one. 这个房间比那个房间大三倍。
形容词比较级
单元语法
规则变化:
最高级,用于三者或以上之间的比较,表示 “最……”。最高级前加the。
形容词最高级
单元语法
用法:
① “ the+最高级+ of / in/ among... ” 表示“三者及三者以上中最……”。
e.g. He is the tallest of the five.
他是五个人里面最高的。
② “one of+the+形容词最高级+可数名词复数” 表示 “……中最……之一”。
e.g. Shenzhen is one of the largest cities in China.
深圳是中国最大的城市之一。
形容词最高级
情态动词
一、单项选择
1. —Why do you like Monkey King?
—Because he is ______ than other cartoon characters.
A. funny B. funnier C. the funniest D. much funny
2. Nowadays (当今) the square dance has become one of ________ sports for Chinese grandmas.
A. popular B. more popular C. most popular D. the most popular
3. The little girl is ________ shorter than her sister.
A. very B. many C. more D. much
针对训练
情态动词
4. ________ you work, ________ progress (进步) you will make.
A. Harder; greater B. The harder; the greater
C. Harder; the greater D. The harder; greater
5.For Tony, playing tennis is ________ than watching matches on TV.
A. enjoyable B. more enjoyable C. most enjoyable D. the most enjoyable
6. The Dongting Lake is ________ lake in China.
A. second largest B. second large C. the second largest D. largest
7. The Yangtze River is ________ river in China. It’s much longer than the Yellow River.
A. long B. longer C. the longest D. longest
针对训练
主题写作
本单元话题围绕 “对互联网的看法” 展开,核心是探讨互联网对青少年生活的积极与消极影响,需结合“兴趣发展、社交、学习”等角度,用具体例子支撑观点,客观呈现互联网的双面性。
写你对互联网的看法
主题写作
列出互联网的积极影响
明确互联网的积极影响,如发展兴趣,社交沟通,在线学习。
列出互联网的消极影响
描述互联网的消极影响,如在社交媒体上花费太多时间,信息干扰,网络依赖。
数据支撑
用具体例子让论点更有说服力。
写作要点
开头 写作要点:首句直接表明写作主题为 “对互联网的看法”,引出要探讨的核心内容。
中间 核心任务:从多方面展开阐述对互联网的看法。
顺序:先说明互联网在信息获取、交流沟通等方面的积极作用(如使信息获取更便捷,能快速与他人联系等);再提及互联网存在的一些问题(如网络信息繁杂,可能存在不良内容,过度使用影响生活等);结合具体的感受或例子,让观点更具说服力。
结尾 写作要点:总结互联网的利与弊,表明要合理利用互联网的态度,强调正确使用互联网对个人和社会的重要性。
主题写作
写作思路
1. 使用“develop interests, learn online, watch tutorials, share work”来描述兴趣和学习方面的积极影响。
2. 使用“stay in touch, video calls, share stories”等来描述社交方面的积极影响。
3. 使用“spend too much time, scroll through posts, lose focus, get distracted, feel tired”来描述消极影响。
词汇运用
主题写作
主题写作
书面表达
你校将开展以“网络”为主题的英文演讲比赛。请你根据以下表格提示,可以适当扩充,以“On the Internet”为题写一篇英语演讲稿。
要求:
1. 词数80左右;
2. 文中不得出现真实的人名和校名。
针对训练
主题写作
参考范文
On the Internet
The Internet has become an indispensable part of our lives.
Through the Internet, we can read books, listen to music, and play games for entertainment. We can also make friends from all over the world, send e-mails to stay in touch with loved ones, and shop for almost anything we need. The advantages are numerous: it’s convenient, fast, and helpful. However, there are disadvantages too. Spending too much time online can be bad for our eyes and harmful to our mental health. It may also take up too much of our time, preventing us from engaging in real-life activities.
Let’s use the Internet wisely and balance our online and offline lives.
针对训练
综合训练
一、用所给词的适当形式填空。
1. The old man tried every_________(treat) the doctor had suggested.
2. It is also one of the world’s__________(important) wetlands.
3. If you want to lose_______(weigh), it’s a good idea to take a walk after dinner.
4. The Internet provides us with a lot of_________(inform) quickly.
5. Many people enjoy_________(share) their lives on social media.
6. Team sports help to develop a child’s_________skills. (society)
treatment
most important
weight
information
sharing
social
综合训练
二、选词填空。
data take ... for example warn smoothly treatment
Smart technology is changing the way we live. Nowadays, more devices are connected to the Internet. smartwatches . Athletes can use them to measure their speed and heart rate, and then send all the to their trainers.
Smart devices will change our cities in the future and traffic will flow more
thanks to smart city technology. Our homes will be full of smart devices too. For example, when we run out of eggs or milk, our fridge will automatically order more.
One day, we may even take “smart pills” to help check our health, and this will help doctors provide the right . However, some experts that smart technology can easily go wrong and this could lead to serious problems.
Take for example
data
smoothly
treatment
warn
THANKS
谢谢观看
八年级英语上册·沪教版2024
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