Unit1 ReadingB 课件-2022-2023学年高二英语上学期同步备课【教案+学案+课件+同步练习】（上外版2020选择性必修第一册） 

Xunzi Encouraging Learning 劝学 Skimming Which sentence in the text shows the main idea of “Encouraging Learning”? Learning should never cease. 学不可以已 Does Xunzi aim to persuade, inform, or entertain? How can you tell? He aims to persuade. His purpose is stated in the title and the first paragraph. What does Xunzi compare the process of learning to? Para.2 obtaining blue dye from the plant bending the wood Learning sharpening the metal Analogy 类比 freezing the water improve the quality Why does Xunzi mention plant, water, wood and metal in paragraph 2? What function do a grindstone and a straightening board have in common? He compares learning to the process of obtaining blue dyefrom the indigo plant, freezing the water, bending the wood, andsharpening the metal. This helps to illustrate the significance of learning. Both the grindstone and the straighteningboard serve as a tool to process the materials and improve the quality. Blue comes from the indigo plant but is bluer than the p