(
课件网) Unit 3 Sea Exploration Reading and Thinking to review the stories about sea voyages in the past to learn about sea exploration and exploitation in the past and now to know about the text type, structure and the main idea of the passage to read for the details including names of people and places What do you think of when you see the photo What are you going to do there Pre-reading Do you know any stories about sea voyages Share your story with a partner. History and Facts From 1405 to 1433, Zheng He went on seven trips and visited South-East Asia, the Middle East and even the east coast of Africa. Atlantic Ocean Pacific Ocean Indian Ocean Asia Europe Africa Oceania North America South America Pacific Ocean the Cape of Good Hope the Spice Islands India Americas Spain Christopher Columbus (1451-1506) made four trips across the Atlantic Ocean from Spain: in 1492, 1493, 1498 and 1502. He was determined to find a direct water route west from Europe to Asia, but he never did. Instead, he stumbled upon (偶然发现) the Americas. Vasco da Gama (1460-1524) sailed from Lisbon in 1497 on a mission to reach India and open a sea route from Western Europe to the east by way of the Cape of Good Hope（好望角）. Atlantic Ocean Pacific Ocean Indian Ocean Asia Europe Africa Oceania North America South America Pacific Ocean the Cape of Good Hope the Spice Islands India Spain Atlantic Ocean Pacific Ocean Indian Ocean Asia Europe Africa Oceania North America South America Pacific Ocean the Cape of Good Hope the Spice Islands Spain Ferdinand Magellan (1480-1521) sailed west from Spain in 1519 across the Atlantic and Pacific oceans and discovered a route by which ships could sail a complete circle around the world. The Straits of Magellan (麦哲伦海峡), located at the Southern tip of South America are named for him. While-reading Now, let’s read the text to learn sea exploration in the past and now. The text mainly talks about _____ in the past and now. As time went by, some explorers reached across the sea in order to strengthen the bonds between _____ _____. sea exploration China and the rest of What's the main idea of the text the world What type is this essay A. Narrative essay B. Descriptive essay C. Expository essay D. Argumentative essay Identify essay types A narrative essay is a story with a beginning, middle, and end. A descriptive essay describes a subject and lists interesting details. An expository essay is factual, giving information on a subject. An argumentative essay aims to convince the reader. Read the text again. Write down the main idea of each paragraph. Paragraph Main idea 1 2 3 4 5 6 Travel from east to west began long before Columbus. In ancient times, travel east to west was on the Silk Road. Zheng He’s sea voyages built relations with other countries. The 21st Century Maritime Silk Road. China’s participation in some important projects. China will continue to explore the sea and ... ...
