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选修9《Warming up、Pre-reading、Reading、Comprehending》集体备课PPT课件优质课下载
Book 9 Unit 2
Objects for Today
By the end of the lesson, the students will be able to:
1. know the ancient technology for sailing.
2. grasp the Mind Map Writing.
3. raise the awareness of the importance of science and technology.
The Silk Road Economic Belt and
the 21st Century Maritime Silk Road
The Belt and Road
Sailing technology in ancient China
以针横贯灯芯，浮于水上，亦指南。
--- 《梦溪笔谈》
Compass Needle
牵星板
郑和“往返牵星，七下西洋”
Drawing stars overseas
过洋牵星术
牵星图
TASK1: Read the first para.
What is the question the author wants to answer in the passage.
How did they navigate so well?
Reading skill 1:
The first para will introduce the main idea.
Reading
TASK2.Mind map the passage.