Unit 4 Information Technology Lesson 2 Apps 课件-2024-2025学年高一英语北师大版（2019）必修第二册

Unit 4 Information Technology Lesson 2 Activate and share What is APP？ a software application; a program designed to do a particular job 3. You may know something about it, since it is so popular nowadays. You can find some clue from these two pictures. Yes, it is related to computer. So... What apps do you often use? What do you use them for? to book tickets to find directions to check the weather to subscribe to newspapers and magazines to book accommodation to learn a language to look for popular restaurants Does it meet your needs? 1. Why are apps so popular? 2. What are the difficulties in developing an app? 3. What are the latest technologies used in apps? Activate and share Apps are definitely so popular nowadays and we kind of can't live without it. So have you ever thought why apps are so popular, what difficulties in developing an app programmers might meet with, and what latest technologies are used in apps? You can think about them now and talk with your partners. The phrases on page 12 in your book can give you some clue: 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) OK, Who wants to share? Let's listen to one of you. (1'24''48)“Why are apps so popular? I think apps are popular mainly because it functions in almost every aspect of life and truly makes it easier. The collaboration between apps and hi-tech devices such as GPS systems has enabled us to do daily routines with higher efficiency. The introduction of Big data analysis has made apps personalized instead of same,tedious contents. Thus, apps make our lives progress at a higher speed, yet in a pleasing way. What are the difficulties in developing an app? Difficulties mainly appear in identifying customers’ demands and developing a more user-friendly operation method while solving real-life problems. What are the latest technologies used in apps? Latest Technologies involved in apps includes Big data analysis, AI/Machine learning, VR(virtual reality), AR(augmented reality) and MR(mixed reality) plus NFC (near field communication).” Listen for general information What questions did the woman ask? 1. Why are apps so popular? 2. Could you tell us something about educational apps? about educational apps? 3. Developing an app must be difficult, right? Questions and answers, which can tell you the main aspects of this interview? Questions. Okay, now you will listen and put down the questions and check your predictions. 5 Listen for general information 1. Why are apps so popular? 2. Could you tell us something about educational apps? 3. Developing an app must be difficult, right? Apps are popular because they are useful and make life easier. Questions and answers, which can tell you the main aspects of this interview? Questions. Okay, now you will listen and put down the questions and check your predictions. 6 Educational apps are becoming increasingly powerful. For example, some apps allow students to_____________________ according to their________________________________; they also ensure that students can all______________ ___________________________________even when ____________________________________. Listen for general information 1. Why are apps so popular? 2. Could you tell us something about educational apps? 3. Developing an app must be difficult, right? Students can choose their online teachers and subjects according to their personal interests and needs on educational apps. The difficult thing about developing apps is finding out what people need and solving real-world problems. Apps are popular because they are useful and make life easier. Questions and answers, which can tell you the main aspects of this interview? Questions. Okay, now you will listen and put down the questions and check your predictions. 8 Listen and complete the information. Apps General functions find popular restaurants call for taxis find directions to different places 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 Difficulties in developing an app find out what people need solve real-world problems What problems have you met? download an app set up an account browse goods receive the package add to shopping cart Again, as the skill builder has told us, While listening, pay attention to the words related to the questions, e.g. popular, difficulties, latest technologies. And listen for words that are stressed. (1'46''37) Let's listen and answer the questions. Have your got the answers? Let's check together. The first one, apps are popular because they are useful and make life easier. Number 2, the difficulty is in solving real-world problems and finding what people need. Number 3, the latest technologies used are VR (Virtual Reality), AR (Augmented Reality) and MR (Mixed Reality). Seems like the answers are similar to our classmate's answers. Great! What problems might your parents / grandparents have when shopping online? Listening 1. What help does Dad ask for? 2. What help does Barbara Smith ask for? 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. I believe you must have got your prediction in mind. Now we are going to listen to 2 dialogues. When you are listening, you need to answer the two questions: 1. What help does Dad ask for? 2. What help does Barbara Smith ask for? Let’s listen! (2’51’’62) So have you got the answers? Let’s check together. Dad asks for help in setting up an account on a shopping app. Barbara asks for help in finding out why her goods haven’t arrived. Asking for help with something? set up an account? and find out what’s going on? check again? Talk Builder Can you help me out I can’t figure out how to Can you do me a favour Would you be able to Focus on function: Asking for and offering help So, you see, the function of these two dialogues is to ask for and offer help. So read the two dialogues in your book on page 100. And complete the notes for the talk builder on page 13, which is useful in our talking when we need to ask for help or offer help. Now let's check together. Asking for help. Can you help me out with something? I can’t figure out how to set up an account? Can you do me a favour and find out what’s going on? Would you be able to check again? 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? Talk Builder Do you need help I can help you How may I Let me Can I assist you with Focus on function: Asking for and offering help 25. Offering help. Do you need help downloading it? No worries. I can help you with that. How may I help you? Let me enquire about the order with the delivery man. Can I assist you with anything else today? 1. . 2. . 3. The last step is to . Steps to solve Dad’s problem: Press “Sign Up” button Put in his information press “Finish” button Listening (1’04’’23) Let’s listen to dad and Chen Yu. Have you got the three steps? Let's check together. Step 1: Press “Sign Up” button. Step 2: Put in his information. The last step is to press “Finish” button. Do you agree with me? How about the steps Chris takes to help Barbara? Let’s listen to Barbara and Chris. (1’46’’63) 1. Ask her for . 2. . 3. Check again and . 4. . Call her back enquire about the order with Steps to solve Barbara’s problem: Listening the order number Confirm her name the delivery man Have you got all the steps? Let's check together. Step 1: Ask her for the order number. Step 2: Confirm her name. Step 3: Check again and enquire about the order with the delivery man. The last step is to call her back after Chris has spoken to the delivery man. Recommend an app Mike, as an exchange student, will study in our school for a year. He wants you to recommend a useful app. Questions and answers, which can tell you the main aspects of this interview? Questions. Okay, now you will listen and put down the questions and check your predictions. 17 Recommend an app Group work: S1: In my opinion,_____ (needs/problems). S2:Therefore, our group decide to recommend __________ (the app’s name) to him. S3：It is very _________ (adj.) S4：It_____________（functions)Firstly… Secondly…Last but not Draw a mind map to introduce this app. 18 null 89653.18 106373.18 171633.42 null 64259.87 null 106660.555 $$