Unit 6 When was it invented?
Section A 3 (Grammar Focus-4c)
一、教学目标：
1. 语言知识目标：
1) 学习掌握下列词汇：fridge, low, somebody, translate, lock, earthquake, sudden, all
of a sudden, biscuit, cookie, instrument
2）进行一步复习巩固学习Section A 部分所学的生词和词组。
3）进一步学习运用一般过去时态的被动语态。
4) 掌握主动语态变被动语态的方法，并通过不同方式的练习，来熟练运用。
2. 情感态度价值观目标：
培养想象力，善于观察事物。面对难题，用积极的态度去解决，发挥想象力，认识世界，改造世界。
二、教学重难点
1. 教学重点：
1) 学习生词fridge, low, somebody, translate, lock, earthquake, sudden, all of a sudden, biscuit, cookie, instrument
2) 复习巩固Section A 部分所学的生词和词组，达到熟练运用的目标。
2. 教学难点：
1) 一般过去时态的句子变为被动语态。
2) 综合运用所学的知识进行练习运用。
三、教学过程
Ⅰ. Warming up and revision
1. Have a dictation of the new words learned in the last class.
2. Review some main phrases we learned in the last class. Check the homework.
3. Let some Ss tell something about how tea was invented by accident.
Tell something about how tea was invented by accident.
One day Shen Nong was boiling drinking water over an open fire. Some leaves from a tea plant fell into the water and remained there for some time.
It produced a nice smell so he tasted the brown water. It was quite delicious and one of the world’s favorite drink was invented.
Tell something about Lu Yu and his Cha Jing.
Lu Yu “the saint of tea” mentioned Shen Nong in his book Cha Jing. The book describes how tea plants were grown and used to make tea. It also discusses where the finest tea leaves were produced and what kinds of water were used.
It is believed that tea was brought to Korea and Japan during 6th and 7th centuries. In England, tea didn’t appear until around 1660. The tea trade from China to Western countries took place in the 19th century.
Ⅱ. Grammar Focus.
1. 学生阅读Grammar Focus中的句子，然后做填空练习。
①拉链是什么时候被发明的？
______ _____ the zipper ________?
②它于1893年被发明。
It ______ _________ in 1893.
③它是由谁发明的？
______ _____ it invented ______?
④它是由惠特科姆•贾得森发明的。
It _____ _______ _____ Whitcomb Judson.
⑤ 茶叶什么时候被带到朝鲜去的？
_____ ______tea ________ to Korea?
⑥茶叶在六到七世纪之间被带到朝鲜。
It _____ _______ to Korea ________the 6th and 7th centuries.
⑦热冰淇淋勺用来做什么？
What ____ the hot ice-cream _____ _____?
⑧它用于挖很冷的冰淇淋。
It’s _____ ______ ______ really cold ice-cream.
⑨ 电话机在1876年被贝尔所发明。
The telephone _____ ________ _____ Alexander Graham Bell in 1876.
⑩贝尔于1876年发明了电话机。
Alexander Graham Bell _________ the telephone in 1876.
