Unit 6 When was it invented?
The Third Period Section A 3a–3c
Teaching aims（教学目标）
一、熟练掌握以下词汇：nearly, boil, smell, doubt
了解下列词汇：saint, take place, by accid ent
二、通过学习，掌握以下句型：
1. Did you know that tea, the most popular drink in the world (after water), was invented by accident?
2. It is believed that tea was brought to Korea and Japan during the 6th and 7th centuries.
3. In England, tea didn’t appear until around 1660, but in less than 100 years.
三、能读懂谈论有关茶的发明的文章。
四、通过对被动语态表达的发明和创造的事物来认识人类的科技进步和培养学生的创新能力来达到情感，态度，价值观的课堂体现。
