高中英语北师大版 (2019)必修 第二册Unit 4 Information technologyLesson 2 Apps教学设计及反思

Unit 4 Information Technology

Lesson 2 Apps

教学目标与核心素养：

知识目标：Students can learn some new words.

能力目标：Students can listen for general understanding and specific information.

情感目标：Students can think individually and learn cooperatively.

教学重难点

教学重点：How to learn the new words.

教学难点：Howto improve students' listening skills.

课前准备：多媒体，黑板，粉笔

教学过程：

一、Pre-listening

1. Greeting

2. Leading-in

ACTIVATE AND SHARE

教师活动：

Ask students to have a talk:

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

Ask for volunteers to share their ideas about apps to the class.

二、  While- listening

LISTEN FOR UNDERSTANDING

1. 教师活动：引导学生读题。

Ask students to read the information in the Skill Builder box on Page 12. And make them understand it.

2. 学生活动：回答问题。

Before listening to an interview with an app developer, read and answer the questions. Use the key words to help you. Then listen and check.

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)

(Suggested answers:

1. Apps are popular because they are useful and make life easier.

2. The difficulty is finding out what people need and solving real-world problems.

3. The latest technologies used are VR (Virtual Reality), AR (Augmented Reality) and MR (Mixed Reality).

3. 学生活动：完成表格。

Listen again. Complete the information.

4. 学生活动：Group Work

Answer the questions using the information in Activity 3 to help you.

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?

(Suggested Answers:

1. General functions include: finding popular restaurants, calling for taxis, finding directions to different places, and so on.

2. Students can choose their online teachers and subjects on educational apps according to their personal interests and needs.

3. The most difficult thing is finding out what people need and solving real-world problems.

FOCUS ON FUNCTION: ASKING FOR AND OFFERING HELP

5. 学生活动：回答问题。

Listen to two conversations and answer the questions.

1. What help does Dad ask for in the first conversation?

(Dad asks for help in setting up an account on a shopping app.)

2. What help does Barbara Smith ask for in the secondconversation?

(The woman asks for help in finding out why her goods haven't arrived.)

6. 学生活动：完成练习。

Listen and imitate. Complete the Talk Builder.

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 outwhat's going on?

4.__________________ check again?

Offering help

1. __________________ downloading it?

2. No worries. __________________ with that.

3. __________________ help you?

4. __________________ enquire about theorder with the delivery man.

5. __________________ anything else today?

(Answers:

Asking for help

1. Can you help me out 2. I can't figure out how to

3. Can you do me a favour 4. Would you be able to

Offering help

1. Do you need help 2. I can help you

3. How may I 4. Let me 5. Can I assist you with)

三、After-listening

1. 学生活动：完成练习。

Look at the Talk Builder. Pick out the expressions that are formal/ informal andexplain why.

(1) Divide students into pairs. Tell students that they will discuss the difference between formal and informalconversations.

(2) Review students' opinions. Explain to students that when they are talking to a family member, the conversation is informal; when they are talking to someone they don't know, the conversation is formal.

SPEAK

学生活动：Pair Work:

Role-play the following situations. Note the formal/ informal use of language.

·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

四、Summary

重点词汇：powerful, latest, reality, account, app, deliver

重点句型：that引导的宾语从句；when引导的时间状语从句

五、Homework

Write a short dialogue to ask for or offer help.