内容正文:
Unit 4 Understanding Ideas
Grammar
What digital technologies can you see in the video?
face recognition technology
drone delivery
face payment
AI powered robot
Lead in
face recognition technology
face payment
drone delivery
AI powered robot
It tells the door to open when it sees your face.
It asks you to blink or nod to make sure it's really you.
It helps workers send things faster.
It makes guests get their meals without meeting anyone.
It allows people to buy things quickly.
How do they make our life easier?
Lead in
Share how digital technology has made our life easier.
Know your task
Fewer shared bikes made her ________(spend) too much time to find one.
spend
In the shop, she asked the shopkeeper _________(show) the QR code. But the shopkeeper told her _______(use) cash.
to show
to use
At home, she ordered food online, but the slow food delivery didn’t allow her________(enjoy) hot food.
to enjoy
What happened to her?
The technology in China let her ______(live) a more convenient life!
live
What did she think of the technology in China?
The technology in China helped her _______(solve) all these problems!
solve
Review the story
2. The shopkeeper told her to use cash.
1. She asked the shopkeeper to show the QR code.
3. The slow food delivery didn’t allow her to enjoy hot food.
Subject主语
Verb谓语
Object宾语
Object complement 宾语补足语
Find and mark
3.The app taught me to paint step by step.
A. My teacher uses English learning apps.
1.My teacher encourages us to use English learning apps.
2.He wants his friend to introduce the new computer game to them.
B. We use English learning apps.
A. His friend introduces the new computer game to them.
B.He introduces the new computer game to them.
A. I paint.
B.The app paints.
_________________is the doer(执行者) of “to do”.
Subject主语/
Object宾语
Think and choose
2.He wants his friend to introduce the new computer game to them.
1. My teacher encourages us to use English learning apps.
3. The app taught me to paint step by step.
Which sentence expresses more clearly and completely(完整)?
Object complement 宾语补足语
Subject主语
Verb谓语
Object宾语
My teacher encourages us.
He wants his friend .
The app taught me
Object complement can make the meaning of the sentence more complete.
Think and choose
b. The slow food delivery didn’t allow her to enjoy hot food.
d. The shopkeeper told her to use cash.
c. She asked the shopkeeper to show the QR code.
a. Few shared bikes made her spend too much time to find one.
e. The technology in China let her live a more convenient life!
f. The technology in China helped her solve all these problems!
help
to solve
allow
ask
tell
make
let
sb. to do sth.
sb. do sth.
sb. to do sth.
sb. to do sth.
sb. do sth.
sb. do sth.
help sb. (to) do sth.
表示:
请求、命令希望等,传递一个意图或指令。
表示:
强制、安排,引发一个事实性的动作。
Think and group
to do
do
allow
ask
tell
make
let
sb. to do sth.
sb. do sth.
sb. to do sth.
sb. to do sth.
sb. do sth.
help sb. (to) do sth.
表示:
请、求、命令希望等,传递一个意图或指令。
表示:
强制、安排,引发一个事实性的动作。
More examples?
have sb. do sth.
encourage sb. to do sth.
advise sb. to do sth.
want sb. to do sth.
expect sb. to do sth.
...
Think and group
do
to do
Infinitive as object complement
不定式作宾补
Form
Meaning
Use
To talk about how digital technology has made our life easier.
To make the meaning of the sentence more complete.
Make a summary
V + O + to do
V + O + do
Digital technology makes people___ a more convenient life. But some elderly people think digital technology is too hard to understand, including my grandpa.They are afraid of making mistakes when using it.
Last weekend, I decided to let him_________ how convenient digital technology was. I took digital payment for example. We needn’t carry any cash or cards for shopping. The digital payment allows us_______ by scanning QR codes — quick and easy! It also helps us __________ our time because we don’t need to receive change.
Since then, my grandpa has realized this technology lets us pay quickly and safely. And he wants________ other digital technology to make his life easier and better.
What advantages does the digital tool have?
What digital tools does the writer talk about?
What did the writer’s grandpa think of the digital technology at first?
Has the writer’s grandpa changed his opinion?
pay save live learn experience
live
experience
to pay
save/to save
to learn
Complete the post
Useful expressions
Nowadays, instead of..., you can simply...
Technology saves me time because...
One advantage of apps / the internet / social media is...
Allow/ask/encourage/help/... sb. to do sth.
Make/let/help/... sb.do sth.
...
Introduce 1-2 digital technologies that you think are the most useful, showing ≥2 advantages of them.
Digital technology has changed our lives a lot.
I think ______ is the most useful.
You needn’t /...___________.
It allows/encourages/teaches/... you to__________.
It also helps/lets/makes/... you _______________.
...
I also want to introduce ____ to you.
It...
I believe it/they can make our lives easier/...
Think and write
Checklist for “Digital technology”
Items Stars
Content Talk about 1-2 digital technologies. ⭐⭐
Introduce at least two advantages. ⭐⭐⭐⭐
Language Use useful expressions from the book. ⭐⭐
Use “infinitive as object complement” correctly. ⭐⭐
1. Finish the exercise in the worksheet.
2. Polish your writing.
3. Use AI tools to revise(检查修改)or polish(润色)your writing.
Exercises
Must do:
Choose to do:
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