译林版高中英语选修7教案： Unit3《The World online》Reading1.doc

unit 3 the world onlinereading 1teaching aims:来源：after learning this period, the students will be able to:1. understand the argument about the positive and negative effects of the internet on peoples lives; 2. learn about the strategy of “reading an argument”;3. retell the effects of the internet and debate about a certain subject. step 1 lead-in1. begin the class by discussing some problems about the internet (ppt 4-9)(1) what do you usually use the internet for?（gather different answers to the questions and show some pictures about the functions of the internet: to search for information, to help with study, to play game and download some music and video, for amusement and shopping）(2) what do you think the most important benefit of the internet is?（it has brought us much convenience; it help us to save much time, energy as well as money.）(3) do you think there are any negative things about the internet?（give the students a few minutes to discuss with their classmates and then ask some to list their opinions） 来源：2. from your answers, we can find that some students think it has good effects; some others think its bad. thats what we will mainly learn today. now please turn to page 34 and lets learn the passage about the internet.step 2 skimming and scanning for general idea (ppt 10)allow the students two or three minutes to go through the text quickly to find the answers to the following questions. z(1) the text presents the _ two students gave at a _ about the _of internet use. (2) who are the two debaters?answers: (1) speeches, debate, advantages and disadvantages(2) zhu zhenfei, in favour of the internet；lin lei, against the internet.step 3 reading strategy (ppt 11)tell students when we read an argument, there are something we should pay particular attention to. allow the students about five minutes to read through the reading strategy on page35, and find out the answers to the following two questions. it is suggested that the students work in pairs to compare notes with each other about their answers to the questions. (1) when you read an argument, you must remember that _.(2) how does an argument develop?the first thing: _.after that: _.in the rest of the argument: _.at the end of the argument: _.answers: (1) a specific view is being given.(2) a statement of what the argument is about；main points；supporting facts；conclusion.step 4 careful reading for detailed information (ppt 12-15)中华资源库 tell students to read the two speeches and see how they were developed. get them to analyze the structure of each speech and find out information about main points, supporting facts and conclusion. allow them five minutes to read and then complete the following exercises about the text. (1) i. analyze the structure of the 1st part a specific view: _.para _: present the two main points中华资源库para _: supporting facts for point 1para _: supporting facts for point 2para _: draw a conclusionii. fill in the blanks. supporting facts: internet friendships are based on common_7_.people who are disabled can _8_ with the outside world. view: the internet has _1_ effects on our lifepoint1: its _2_ for people to look for informationpoint2: its _6_ to build groups online and form friendshipssupporting facts: a survey shows _3_ of users use it to search for answers to questions. _4_ of the respondents use it to advance knowledge about _5_. conclusion: the internet remains a positive _9_that makes our lives better(2) i. analyze the structure of the 2nd part a specific view: _para 1: present the two _ para 2: _for point 1para 3-4: supporting facts for point 2para 5: draw a _ii. complete the form below debater (view)main pointssupporting lin lei point 1: ebay educators(para 2)point 2: families time a study (para 3-4)answers: (1) i. the title: 1, 2-3, 4, 5ii. positive, value, 80%, 79%, hobbies, ability, interests, communicate, tool(2) i. the title, main points, supporting facts, conclusion ii. point 1: inaccurate information; point 2: transferring / changing the way people spend their time; conclusion: it remains important for us either to limit our use of the internet, or to learn how to handle the problems it has caused.step 5 listening and consolidation (ppt 16-20)play the tape for students to listen and imitate and ask the students to judge whether the statements below are true or false, and then deal with part e on page 37. check the answer together after that. if some statements are false, ask some students to correct them. 1. according to the survey, children use the internet mostly to play games. 2. when people are in need of information, the internet is now the first place that many people turn to. 3. in building a friendship, the most important thing is common interests. 4. the clinic was opened in beijing to help people surf the internet. 5. if people spend all their time on the internet, they will feel separated from the people and the world around them. 6. the purpose of the passage is to present the positive effects of the internet. answers: fttftfanswers: part e on page 37. 1 weaknesses2 diverse3 relate4 addressed5 click6 correspond7 statisticsstep 6 extension (ppt 21-22)ask the students to work in pairs and make a dialogue. supposing one of them is zhanghua, who spends much time on the internet everyday and often make online friend