Unit 4 Lesson 2课件-（2022）新北师大版《高中英语》必修第二册.ppt

1、1.To read and talk about apps and their uses2.To listen for understanding 3.To recall information preciously heard4.To ask for and offer helpWhat apps do you have on your cellphones or on your computers/laptops?What apps do you often use?What do you use them for?Use the phrases below to help you mak

2、e notes.to book ticketsto book accommodationto find directionsto learn a languageto check the weatherto look for popular restaurantsto subscribe to newspapers and magazinesBefore listening to an interview with an app developer,read and answer the questions.Use the key words to help you.Then listen a

3、nd 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 powerfulto be usefulto make life easierto solve real-world problemsto enjoy learning activitiesto find what people needto use the latest technologyVR(Virtual

4、Reality)AR(Augmented Reality)MR(Mixed Reality)1 Why are apps so popular?2 What are the difficulties in developing an app?3 What are the latest technologies used in apps?Apps are popular because they are useful and make life easier.The difficulty is in solving real-world problems and finding what peo

5、ple need.The latest technologies used are VR(Virtual Reality),AR(Augmented Reality)and MR(Mixed Reality).Listening for Key WordsListening for key words helps you understand the conversation better and find the answer to questions more quickly.Before listening,read the questions carefully.While liste

6、ning,pay attention to the words related to the questions,e.g.popular,difficulties,latest technologies.Listen for words that are stressed.Listen again.Complete the information.AppsGeneral functions find popular restaurantsUses of educational apps call for taxis find directions to different places all

7、ow students to choose their online teachers and subjects according to their personal interests and needs ensure that students can all enjoy the same learning materialsDifficulties in developing an app find out what people need solve real-world problemsAnswer the questions using the information in Ac

8、tivity 3 to help you.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 per

9、sonal 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

10、 and solving real-world problems.Listen to two conversations.What help does Dad ask for in the first conversation?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 havent a

11、rrived.Talk Builder Asking for and Offering HelpAsking for help1 _ with something?2 _ set up an account.3 I havent received the goods._ and find out whats going on?4 _ check again?Listen and imitate.Complete the Talk Builder.Can you help me outI cant figure out how to Can you do me a favourWould you

12、 be able to Offering help1 _ 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 helpI can help youHow may I Let me Can I assist you with Look at the Talk Builder.Pick out the expressions that are formal/informal

13、and explain why.Role-play the following situations.Note the formal/informal use of language.Student A:a mother who wants to choose an appStudent B:the son/daughter offering to helpStudent A:a teenager preparing for a partyStudent B:a friend offering to help to buy things online for Student A1.to sub

14、scribe to newspapers and magazines subscribe vi.订阅（报刊等）（常与介订阅（报刊等）（常与介词词to连用）；赞助，捐款（常与介词连用）；赞助，捐款（常与介词to连用）；预订，报名。连用）；预订，报名。e.g.We subscribe to all the main medical journals.I subscribe to a few favourite charities.The tour of Edinburgh is fully subscribed.【拓展拓展】subscribe to 同意，赞成同意，赞成e.g.I have nev

15、er subscribed to the view that schooldays are the happiest days of your life.subscriber n.订阅人；定期捐款者；消费者订阅人；定期捐款者；消费者subscription n.订阅；订阅费；定期捐款订阅；订阅费；定期捐款2.to use the latest technology latest adj.最新的；最近的最新的；最近的 latest 还是还是late的最高级形式，意为的最高级形式，意为“最晚最晚的的”。e.g.Have you watched the latest sports match?Jen

16、ny was the latest student to come to school in the class this morning.3.ensure vt.确保，保证确保，保证 常用结构：常用结构：ensure sb.sth.ensure+that e.g.The airline is taking steps to ensure safety on its aircraft.The medicine should ensure you a good nights sleep.Our new research strategy ensures that we get the best

17、possible results.【即学即练即学即练】根据括号内所给的汉语提示根据括号内所给的汉语提示补全下列句子。补全下列句子。1.I fitted a new lock to _(保证自行车不致失窃保证自行车不致失窃).2.The letter of introduction will _(确保你被接见确保你被接见).ensure that the bicycle would not be stolen ensure you an interview4.confirm vt.确认；证实确认；证实 常见用法：常见用法：confirm sth.confirm+that从句从句 confirm+

18、what从句从句 e.g.What happened later confirmed the old mans prediction.It has been confirmed that the meeting will take place next week.Can you confirm what happened?5.deliver vi.&vt.递送；传送递送；传送 发表（正式讲话）发表（正式讲话）助产；接生助产；接生【拓展拓展】delivery n.送货；投递；生孩子；送货；投递；生孩子；演讲方式演讲方式【即学即练即学即练】写出下列句子中写出下列句子中deliver的汉的汉语意思。

19、语意思。1.There was no doctor nearby,so her husband had to deliver the baby himself.2.The former president was invited to deliver a speech at the opening ceremony.3.If your order is ready,it will be delivered to you tomorrow.接生接生 发表（演讲）发表（演讲）递送递送 Find some apps are suit for teenagers and introduce them in the class.