高中英语北师大版（2019）必修第二册-Unit 5 Humans and Nature Viewing Workshop-课件（共10张PPT）

Unit 5 Humans and Nature View Workshop What do you know about the universe? Activity 1 universe stars planets vastness infiniteness … … … … What do you want to know about the universe? Quiz 13.8 billion 27.5 billion 46 billion 1. The universe is about __________ years old. 2. The observable universe is about _________ light years across in diameter. 3. Today the distant objects like stars that we can observe are a bit more than ____________ light years away. PPT模板：www.1ppt.com/moban/ PPT素材：www.1ppt.com/sucai/ PPT背景：www.1ppt.com/beijing/ PPT图表：www.1ppt.com/tubiao/ PPT下载：www.1ppt.com/xiazai/ PPT教程： www.1ppt.com/powerpoint/ Word模板：www.1ppt.com/word/ Excel模板：www.1ppt.com/excel/ 试卷下载：www.1ppt.com/shiti/ 教案下载：www.1ppt.com/jiaoan/ 个人简历：www.1ppt.com/jianli/ PPT课件：www.1ppt.com/kejian/ 语文课件：www.1ppt.com/kejian/yuwen/ 数学课件：www.1ppt.com/kejian