Unit 4 Information technology Lesson 2 Apps 课件-高中英语北师大版（2019）必修第二册.pptx

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1、Lesson 2 apps新新北师大必修北师大必修Book 2 Unit 4 Information TechnologyWhat apps do you often use?What do you use them for?to book ticketsto book accommodationto order foodto find directionsto learn a laguageto check the weatherto look for popular restaurantsto subscribe to newspapers and magazines2Before lis

2、tening 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?Skill BuilderListening for key words helps you und

3、erstand 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.Listening for Key WordsKey

4、Wordsto become powerful to solve real-world problems to enjoy learning activities to use the latest technology AR(Augmented Reality)to be usefulto make life easierto find what people needVR(Virtual Reality)MR(Mixed Reality)Now,listen and check the answers.1.Why are apps so popular?2.What are the dif

5、ficulties 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 difficulity is in solving real-world problems and finding what people need.The latest technologies used are VR(Virtual Reality),AR(Augmented Reality)and MR

6、(Mixed Reality).Listen again.Complete the information.3General functionsfind popular restaurantsUses of educational appsDifficulties in developing an appcall for taxisfind directions to different placesallow students to choose their online techers and subjects according to their personal interests a

7、nd needsensure that students can all enjoy the same learning materialsfind out what people needsolve real-world problemsGroup Work.Answer the questions using the information in Activity 3 to help you.41.What are some general functions of apps?2.What can students do with educational apps?General func

8、tions 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.Group Work.Answer the questions using the information in Activity 3 to hel

9、p you.43.According to Li Xing,what are the difficulties in developing an app?The difficult thing about developing apps is finding out what people need and solving real-world problems.4.If you are able to develop an app to solve a real-world problem,what problem would you like to solve?And how?Listen

10、 to two conversations.5FOCUS ON FUCTION:ASKING FOR AND OFFERING HELPQuestions:1.What help does Dad ask for in the first conversation?2.What help does Barbara Smith ask for in the second conversation?Answers:1.Dad asks for help in setting up an account on a shopping app.2.The woman asks for help in f

11、inding out why her goods havent arrived.Listen and imatate.Complete the Talk Builder.6Talk BuilderAsking 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?Can you help me out I cant figure out ho

12、w toCan you do me a favourWould you be able toTalk BuilderOffering 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 ILet meCan I assist you with7Look at the Talk Builder.Pick o

13、u the expressions that formal/informal and explain why.Formal expression:_.Informal expression:_.8 Role-play the following situations.Note the formal/informal use of language.The password of your account is wrong and you cant log in to the campus network.Situation 1:A classmate offering helpSituation 2:School network administrator offering helpThe password of your account is wrong and you cant log in to the campus network.Situation 1:A classmate offering helpSituation 2:School network administrator offering helpThank you!