Unit 8 Green Living Lesson 2 Greening the desert-课件-2021-2022学年高中英语北师大版（2019）必修第三册

Green Living Lesson 2 Unit 8 1 The computer center, ________________ (open) last year, is very popular among the students in this school. 2 The house ________________ (build) 100 years ago still stood there after the earthquake. 3 ________________ (put) on his clothes, Bill went out in a hurry. 4 ________________ (arrive) home, he found the door locked. 5 While ________________ (wait) at the dentist’s home, I read a short story. 6 The teacher stood there, ________________ (surround) by many students. 7 All the afternoon he worked with the door ________________ (lock). Let’s check opened built Putting Arriving waiting surrounded locked Part 1—Lead in Lead in First, let’s watch a video about our earth. Think about what happened to our earth. Lead in Talk time example: All kinds of pullution appeared in our life. Lead in Here is a poster. Let’s read it together and find some key points. Lead in Then, it is time to answer these questions. Talk time 1. It is about the environmental p