人教2003课标版《Warming up、Pre-reading、Reading、Comprehending》最新PPT课件优质课下载

人教2003课标版《Warming up、Pre-reading、Reading、Comprehending》最新PPT课件优质课下载

world map exploration

Question: How many oceans are there in the world ?

Pacific Ocean

Atlantic Ocean

Indian Ocean

Arctic Ocean

Zheng He

navigator

He made seven voyages during his lifetime and contributed greatly to the science of navigation in China.

compass

Astrolabe(星盘)

Sextant(六分仪)

sea/nautical chart

early navigational instruments

Sailing the oceans

Skimming :structure of this passage(2mins)

Part 1

Part 2

Part 3

1.Reading tip: while reading, pay attention to title , subtitle and pictures.

Introduction

Using nature to help(coastline,celestial bodies, wildlife, the weather, the sea)

Using navigational instruments to help (finding longitude and latitude)

Careful reading

1. Where does this passage come from?