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

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

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Unit 4 Information TechnologyLesson 1 AvatarsPeriod 2Recalling Answer the questions according to what we have learnt in the last lesson.1. What text type does this article belong to?Exposition.(1) It explains a process in a sequence about some facts, for example, 1980s, 1990s, nowadays. (2) It provides a comparison and contrast between two things. As is shown in the last paragraph, two different views on avatars are presented. Recalling2. What are its communicative purposes?The communicative purposes of this article are to introduce avatars to the readers, from definition, history, purpose of using avatars to different views on avatars. It also warns us that the use of several avatars can be a risk, we should be careful when surfing online in order to avoid some problems, like being afraid of meeting people in real world because of spending too much time in virtual worlds, plus being cheated.RecallingComplete the short text with information from the article. Avatars are digital 1 ________that you use to represent yourself online. You can choose an avatar from 2 _________ of ready-made images, or 3 ___________________. Although avatars haven’t been around for long, they are widely used. Avatars let you 4 _____________ and give you 5 _________________. But the use of avatars has also caused 6 ____________. Some users worry that they are spending too much time 7 ______________ that they are becoming afraid of meeting people in the real world. The use of several avatars can also be 8 _____, as people can use avatars to 9 ________________. However, many people see avatars in 10 _______________.identitiesa selectioncreate your own imagesexpress yourselfroom for creativitya few concernsin virtual worlds a riskcheat others onlinea positive lightObservingRead the sentences. Write P below the underlined parts that refer to the past and PF below the underlined parts that refer to the future in the past.1. Yet very few people knew that future avatars would have such a wide var