北师大版（2019）必修 第二册Unit 4 Information technology Lesson 2 Apps 课件(共23张PPT)

(共23张PPT)
Unit 4
Lesson 2 Apps
新 课 导 入
As a student, what apps do you usually use to help you study
Let’s talk
课 堂 学 习
Activate and Share
1
What apps do you often use What do you use them for Use the phrases below to help you make notes.
to book tickets
to book accommodation
to order food
to find directions
to learn a language
to check the weather
to look for popular restaurants
to subscribe to newspapers and magazines
Before listening to an interview with an app developer, read and answer the questions. Use the key words to help you.
Pre-listening
1 Why are apps so popular
2 What are the difficulties in developing an app
3 What are the latest technologies used in apps
to become powerful to be useful
to make life easier to solve real-world problems
to enjoy learning activities to find what people need
to use the latest technology VR (Virtual Reality)
AR (Augmented Reality) MR (Mixed Reality)
Listen for Understanding
1 Why are apps so popular
2 What are the difficulties in developing an app
3 What are the latest technologies used in apps
Listen and check.
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4.3
Apps are popular because they are useful and make life easier.
The difficulty is in solving real-world problems and finding what people need.
The latest technologies used are VR (Virtual Reality), AR (Augmented Reality) and MR (Mixed Reality).
Listening for Key Words
Listening for key words helps you understand the conversation better and find the answers to questions more quickly.
◆Before listening, read the questions carefully.
◆While listening, pay attention to the words related to the questions, e.g. popular, difficulties, latest technologies.
◆Listen for words that are stressed.
Skill Builder
Listening
Listen again. Complete the information.
3
4.3
Apps
General functions
◆ find popular restaurants
◆ call for taxis
◆ find directions to different places
Apps
Uses of educational apps
◆ allow students to choose their online teachers and subjects according to their personal interests and needs
◆ ensure that students can all enjoy the same learning materials
Apps
Difficulties in developing an app
◆ find out what people need
◆ solve real-world problems
Group Work Answer the questions using the information in Activity 3 to help you.
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Post-listening
1. What are some general functions of apps
2. What can students do with educational apps
General functions include: to find popular restaurants, call for taxis, find directions to different places, and so on.
Students can choose their online teachers and subjects according to their personal interests and needs on 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
The difficult thing about developing apps is finding out what people need and solving real-world problems.
Focus on Function: Asking for and Offering Help
Listen to two conversations. Answer the two questions.
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4.4
1. What help does Dad ask for in the first conversation
2. What help does Barbara Smith ask for in the second conversation
Dad asks for help in setting up an account on a shopping app.
The woman asks for help in finding out why her goods haven’t arrived.
Listen and plete the Talk Builder.
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4.4
Asking for and Offering Help
Asking for help
1 __________________ with something
2 ____________________ set up an account.
3 I haven't received the goods. ____________________
and find out what's going on
4 _________________ check again
Can you help me out
I can’t figure out how to
Can you do me a favour
Would you be able to
Offering help
1 ________________ downloading it
2 No worries. ____________ with that.
3 ___________ help you
4 _________ enquire about the order with the delivery man.
5 ___________________ anything else today
Do you need help
I can help you
How may I
Let me
Can I assist you with
Look at the Talk Builder. Pick out the expressions that are formal / informal and explain why.
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Answers
Formal: Can you help me out with something / I can’t figure out how to set up an account. / Do you need help downloading it / No worries. I can help you with that.
Informal: I haven't received the goods. Can you do me a favour and find out what's going on / Would you be able to check again / How may I help you / Let me enquire about the order with the delivery man. / Can I assist you with anything else today
Speak
Pair Work Role-play the following situations. Note the formal / informal use of language.
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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
accommodation n. 住宿；调节
Key points
[归纳拓展]
offer/make accommodations for 为……提供住宿
arrange one’s accommodation 安排某人的住宿
accommodate vt. 容纳；给……提供住宿
accommodate to=adapt to 适应……
[即学即练]　单句语法填空
1. Travel and overnight ______________(accommodate) are included.
2. Our agency makes accommodations _______ the students, so that
they can accommodate to the new surroundings quickly.
accommodation
for
latest adj. 最新的；最近的
[归纳拓展]
late adj.&adv. 迟的；迟到地
later adj.以后的，后期的； adv. 后来，……之后
latest adj.最新的 （ late的最高级“最迟的（地）” ）
lately（=recently）adv. 最近地
latter adj.（两者中）后者的；n. 后者
[即学即练]　单句语法填空
1. I go to bed ________(late) in the family．
2. Here is the ________(late) news from a broad．
3. He came back ten days _________(late)．
latest
latest
later
favour n.帮助；恩惠；偏爱
vt. 偏爱、青睐；有利于
[归纳拓展]
favourable adj. 赞同的 、支持的
favourite adj. 最喜欢的
do sb. a favour 或 do a favour for sb. 帮某人一个忙
in favour of 赞成、支持
in one’s favour 对……有利
[即学即练]　单句语法填空
1. I'm all in _________(favourite) of equal pay for equal work.
2. Stepping out of comfort zone will be ______ your favour.
3. Success _________(favour) the prepared mind.
favour
favours
in
deliver vt. 递送；传送；接生；发表(演说等)
[归纳拓展]
delivery n. 递送；交付；分娩
deliverer n. 投递者，派送员
deliver a baby 接生
be delivered of a baby 分娩，生孩子
deliver sth. to sb. 把某物递给某人
deliver a speech/lecture 发表演讲/讲座
[即学即练]　单句语法填空
1. The president declined _________ the speech himself on
account of a sore throat.
2. We'll ________ the goods as soon as we can.
to deliver
deliver
Can you say more sentences for asking for and offering help