北师大版（2019）必修第二册 Unit 4 Information technology Lesson 2 Apps 课件（20张PPT）

(共20张PPT)
UNIT 4 Information Technology
Lesson 2 Apps
课后习题讲解
课本25页（2）Complete the survey report on the use of apps.Use the correct form of the phrases below.
personal interests and needs learning materials
call for mobile devices find directions
set up the latest technologies for short
put in solve real-world problems
The Use of Apps
In the survey among our classmates, all students use software applications (called apps 1______________）. They typically use apps on smartphones or 2 ___________________.
for short
mobile devices
Students agree that apps can help take part in a whole range of activities. They usually use apps to search for learning resources, find popular restaurants, 3________________taxis, 4_____________________to certain places, and order food.
call for
find directions
Educational apps are the type of apps most frequently used among our classmates. They allow them to learn at their own pace anywhere.
They can choose online teachers and subjects according to their 5__________________________ .
Also, they can share 6____________________with other users of the same app.
personal interests and needs
learning materials
Nearly one third of the students have tried apps with 7 __________________________like VR, AR and MR.They believe that new technologies can be used to help people 8_________________________________.
the latest technologies
solve real-world problems
What students dislike is that in order to use apps these days, they are often required to 9__________ an account and 10 ___________personal information. They worry about the safety of this.
set up
put in
课本78页 2 Lesson 2 Complete the text using the correct form of the words below.
chat app account download deliver press virtual device
My mother had never used a mobile phone until she received one for her birthday this year. Since then, she has been addicted to the Internet, using different kinds of software applications on her mobile 1———————.
device
She spends a lot of time each day exploring websites and 2 ___________with other people online.
chatting
She has set up her own email 3______________ and she does most of the shopping online through an 4 ______. Instead of going to supermarkets, nowadays she just 5___________ a button and then her orders are 6 _____________ the next day.
account
app
presses
delivered
At first, my father had some concerns that she was spending too much time in 7 _________worlds, but now he sees how happy she is. She even 8________________ some materials that can help my father with his work, so now he's very happy, too!
virtual
downloaded
We are all very proud of her as she has proven that it's never too late to learn a new skill.
课本79页 ⑤ Asking for and Offering Help Complete the dialogues using the phrases below.
do you need help can I help you let me check let me see what I can do can you help me
Employee: Good morning Sir, 1__________________________
Man: Yes. I downloaded your app but I can't seem to find out how to update my payment information.
Employee:2_______________________________________ to help. Can you give me your email address I will check your account.
can I help you
let me see what I can do
Woman: Hello there, 3__________________________ You seem a bit lost!
Man: Oh,thank you. It's my first time in this city and I cannot find my hotel. It's near the train station.4___________________________________
do you need help
can you help me
Woman: Hmmm, I don't know it but 5
__________________online. Oh yes, it's quite close. About ten minutes that way.
Man: Thank you so much for your help.
let me check