2017秋人教版高中英语必修3（课件+检测）Unit 4　Astronomy：the science of the stars (11份打包)

英　语 必修③ · 人教版 新课标导学 Unit 4　 Astronomy：the science of the stars 1 学习目标展示 2 背景知识链接 返回导航 Unit 4　Astronomy：the science of the stars 学习目标展示 返回导航 Unit 4　Astronomy：the science of the stars 类别 课程标准要求掌握的项目 话题 Science of the stars；the development of life；space travel and gravity 词汇 astronomy　system　religion　theory　atom　billion　globe　violent　carbon　atmosphere　unlike　fundamental harmful　acid　chain　multiply　oxygen　exist　thus　dioxide　puzzle　biology　biologist　gravity　satellite　gentle　physicist　climate　crash　spaceship　pull　float solar system　in time　lay eggs　give birth to　in one's turn　carbon dioxide　prevent...from　block out　cheer up now that　break out　watch out for 返回导航 Unit 4　Astronomy：the science of the stars 类别 课程标准要求掌握的项目 功能 指示(Instructions)： Please pay attention to...　Please check that...　　 Please look at... Make sure that...　　　　Don't forget to...　　　　Watch out for... You need...　　　　 You'd better...　　　　 You must/mustn't... 语法 主语从句(Noun clauses as the subject) What it was to become was uncertain until between 4.5 and 3.8 billion years ago when the dust settled into a solid globe. ...it was not clear whether the shape would last or not. What is even more important is that as the earth cooled down，water began to appear on its surface. It was not immediately obvious that water was to be fundamental to the development of life. 返回导航 Unit 4　Astronomy：the science of the stars 类别 课程标准要求掌握的项目 语法 What many scientists believe is that the continued presence of water allowed the earth to dissolve harmful gases and acids into the oceans and seas. Why they suddenly disappeared still remains a mystery. So whether life will continue on the earth for millions of years to come will depend on whether this problem can be solved. How life began on earth is one of the biggest puzzles that scientists found hard to solve. 返回导航 Unit 4　Astronomy：the science of the stars 背景知识链接 返回导航 Unit 4　Astronomy：the science of the stars Astronomy is the oldest science known to man.Thousands of years