Unit 5 Into the unknown Topic Integrated Revision: Man and Nature 单元知识点学案 -2022-2023学年高中英语外研版（2019）选择性必修第四册

2022-2023学年 2022级高二第二学期 学案编制人:陶广城 时间：6.20 Unit 5 Into the unknown Topic Integrated Revision: Man and Nature Learning objectives: (After this class, you will be able to…) 1. Comb expressions related to nature and use them in specific contexts to form your vocabulary network. 2. Express your own opinions using words and expressions learned in this unit. Step 1 导入 1. Many students have interest in the unknown. Let’s keep in mind some words and expressions. 2. Build a framework. exploring avoiding Into the unknown overcoming hesitating Task 1: topic-related words and lexical chunks. avoiding exploring overcoming hesitating Step2 知识重建 Task 2. Review the passage in your textbook and fill in the blanks. The Mysteries of The Maya Intrigued by Maya civilisation from a very young age, 15-year-old Canadian William Gadoury 1.___________(think) he had made an incredible discovery from his study of ancient star charts. Through 2.___________(compare), he found that the locations of the 117 3.________(know) Maya cities correspond to the positions of the stars. 4._________(base) on this, he believed he had spotted an unknown Maya city 5._________(bury) deep in the jungle. 6.__________ his theory has been dismissed by scholars ,it shows7.______ powerful the secrets of Ancient Maya civilisation are among people . It isn’t difficult 8.__________(see) why. Extending south from parts of 9.________ we now know as Mexico into Central America, Maya civilisation has been surrounded by mystery since 10.________(it) discovery in 11.________ 19th century . The Maya built 12._____________(impress) palaces and temples, 13._____________(include) their representative step pyramids. 14._________ is most extraordinary about these complex structures is how they 15.______________(build) without the use of wheels, metal tools or even animal power. The Maya’s understanding of mathematics and astronomy was also quite 16._______________(amaze) .