北師大版高中英語必修二《Information Technology》PPT下載(第4課時)，共33頁。
Activate and share
1. Why are apps so popular?
2. What are the difficulties in developing an app?
3. What are the latest technologies used in apps?
After listening
Answer the questions.
1. What are some general functions of apps?
2. What can students do with educational apps?
3. According to Li Xing, what are the difficulties in developing an app?
4. If you are able to develop an app to solve a real-world problem, what problem would you like to solve? And how?
Listening
1. What help does Dad ask for?
Dad asks for help in setting up an account on a shopping app.
2. What help does Barbara Smith ask for?
The woman asks for help in finding out why her goods haven’t arrived.
Speaking
Role-play the following situations.
Student A: a mother who wants to choose an app
Student B: the son / daughter offering to help
Student A: a teenager preparing for a party
Student B: a friend offering to help to buy things online for Student A
Homework
1. Write a short paragraph about the app you want to develop to solve real-world problems.
2. Practice the conversations.
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關鍵詞：Information Technology PPT課件免費下載，.PPT格式；
