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1.Which language is spoken by the largest number of people in the world?
Chinese is spoken by the largest number of people in the world.
2. Which language is the most widely used in the world?
English is the most widely used in the world.
一般现在时的被动语态结构：
be + done （动词的过去分词）
2分
Step 3 Presentation
Topic 1 Section A
When was it invented?
invention发明
Three Apples Have Changed the World!iphone5s广告－你比你想象的更强大_高清_标清.flv
三个苹果改变世界
1.What’s the video about?
It is about __________________
a cellphone.
2分
2.What’s it used for?
It’s used for_____________________
The cellphone is a great invention. 手机是一个伟大的发明。
telling the time , taking photos…
Step 4
Guessing Games
竞猜时刻
Let’s come into more great inventions.
laptop 手提电脑
2分
lock
锁
2分