1、本网站免费注册后即可以下载，点击开通VIP会员可无限免费下载！
2、资料一般为word或PPT文档。建议使用IE9以上浏览器或360、谷歌、火狐浏览器浏览本站。
3、有任何下载问题，请联系微信客服。
扫描下方二维码，添加微信客服
必修3《Using LanguageⅠ》集体备课PPT课件优质课下载
study (研究)of the universe and the heaven bodies , gases, and dust within it.
astronomy
that引导宾语从句
How the earth began remains a mystery.
The generally accepted theory is that the universe began with a “Big Bang”
How引导主语从句
↑
that引导表语从句
↑
A generally accepted theory
The Big Bang
Latest news
2016年3月，史上首次，人类观测到恒星爆炸!两颗大质量恒星爆炸成为超新星的过程，其中一颗名为KSN 2011a，大小相当于近300个太阳，距地球约7亿光年；另一颗名为KSN 2011d，大小相当于约500个太阳，距地球约12亿光年。
Unit4 Astronomy: the science of the stars Revision
Learning aims:
1.To review some important words and expressions in this unit.
2.To do some exercises and learn to use the words, expressions and sentence structures correctly.
3.To learn to work in groups.
Let's review now!
Groups
Tasks
G6
Part1(I) 1-8 口头展示
G4
Part2(I) 1-5 口头展示