unit4-2020-2021学年八年级英语上册课文和语法同步课件与教案（牛津版）

Unit 4 Great inventions What are the four great inventions of ancient China? Before you read 1. What three inventions will the article talk about? 2. Which invention do you think is the greatest invention? Why? Look at the photos, the title ,the introduction and the sub- headings of the article. Then answer the questions below. Part 1 Great inventions Type The wheel The telephone The light bulb Who When —— —— Alexander Graham Bell 1876 Thomas Edison 1879 The history of the wheel 1.a few thousand years ago 2. in the early 19th century 3. at the start of the 20th century B. Cars became popular. A. The first trains began to carry passengers. C. People started to use wheels on carriages. C A B Part 2 Part 2 Before the invention of the light bulb Now light bulb What can people use at night? oil lamps, gas lamps or candles Part 3 Life after the inventions The wheel Travelling became_________ and ____________________. The telephone People can _________________ each other anytime, anywhere. The light bulb People can do___________________________ as they can in the daytime. faster more comfortable keep in touch with many things in the evenings 短语集中营 live a better life 过着更好的生活 three of the most important inventions 三个最伟大的发明 faster and more comfortable 更快更舒服 a few thousand years ago 几千年前 in the early 19th century 在19世纪初 at the start of（at the beginning of) 在.......开始 since then 自从那时起 part1 更快更舒服 过着更好的生活 在.......开始 a few thousand years ago 三个最伟大的发明 in the early 19th century 自从那时开始 短语集中营 over long ditances 跨过很长的距离 millions of 数百万的 across the world/ all over the world 全世界 allow sb. to do sth. 允许某人做某事 keep in touch with sb. 与某人保持联系 in t