Section A 3a-3c.pptpage1Unit 6 When was it invented? section A (3a- 3c)page2Skim and match the main idea with each paragraph.Paragraph 1Paragraph 2Paragraph 3Lu Yu and his book Cha Jing How tea spread to other countriesHow tea was invented by accident An Accidental InventionSimmingpage3Scanning Task 1TeaA Chinese ruler called Shen NongAbout 5,000 years agoIn China …was boiling drinking water over an ope..