实用大学英语综合教程1课件孙新法 王慧ISBN 9787566307644 PPTUnit 6.ppt

Unit 6 Science and Technology Content Background Lead-in Text A analysis Text A translation Text A tasks Text B translation Text B tasks Grammar tasks Background The earth is from inside to outside our solar system, but also the third planet in the solar system, quality and density biggest diameter of earth-like planets. It also is often called the world. A word of English Earth Earth from Old English and Germanic. Earth has 44 ~ 46 billion years old, and have a single natural satellite the moon with 30 days surrounding earth, and the earth the cycle of rotating the cycle of nearly 24 hours in one year cycle rotation and revolution around the sun. Disney set the documentary. Background Actually, it only have 8 planets that orbit the sun are (in order from the sun): Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune. The solar system has a peculiar circumstance , that is that Mercury , Venus , the earth , Mars , Saturn , Jupiter , Uranus , Neptune and Pluto almost go ahead in a straight line. LEAD-IN Discuss the following questions in groups Are you interested in the space? And do you know some knowledge about the space? It’s an open question.Say something related to the space, such as the name of the planet, some astronauts and etc. Do you know their Chinese names? Mercury, Venus, Mars, Jupiter and Saturn 水星，金星，火星，木星和土星 LEAD-IN How many things do you know about Mars? Mars is the fourth planet from the Sun and the second smallest planet in the Solar System. Mars can easily be seen from Earth with the naked eye. And etc. Whether does life currently exist on Mars, or has existed there in the past? it remains an open question whether life currently exists on Mars, or has existed there in the past. Text Appreciation Text A Analysis 1. Developing paragraphs by examples 2.translation 2. tasks Text B Analysis 1. translation 2. tasks Text A Analysis Para.1 Named after the Roman god of war, it is often described a