When was it invented学习目标熟读课文，理解课文内容，掌握文中的重点短语、句子重难点教 学 流 程一、 复习导入根据课本内容，完成下列句子 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. 是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 scoop _____ _____? 8. 它用来挖很冷的冰淇淋。
It’s _____ ____ ______ really cold ice-cream. 9. 贝尔于1876年发明了机 Alexander Graham Bell _________ the telephone in 1876. 10. 机在1876年被贝尔所发明 The telephone _____ ________ _____ Alexander Graham Bell in 1876. 二、 合作探究短语1.偶然;意外地________________2.take place_____________3.毫无疑问；的确_________________4.all of a sudden____________ 5.错误地；无意中________________6.把…分开_____________ 7.不但…而且…__________________8.钦佩；仰慕_________________9.据说_____________________10.直到…才…__________________11.at a low price_______________句子：1. 许多人认为茶在大约5000年前第一次被喝。
2. 据说有一位叫作神农的中国统治者最早发现了茶可以饮用 3.这本书描述了茶树怎样被种植以及怎样被用来制茶 4.人们认为，茶在六至七世纪传到了朝鲜和日本5.在英国，直到大约1660年才出现茶，但是在不到100年里，它已经成为全国性的饮品 6.虽然现在许多人了解茶文化，但是中国人毫无疑问是最了解茶的本性的 根据3a，在空白处填上单词的适当形式，完成下列短文：Tea (after water), the most popular drink in the world __________ _ (invent) by accident. It is believed that tea _________ (drink) 5,000 years ago. It ______ (say) that a Chinese ruler ______ (call) Shen Nong was the first _________ (discover) tea as a drink. One day Shen Nong __________ (boil) drinking water over an open fire. Some leaves from a tea plant ____ (fall) into the water and remained there for some time. It ________ (produce) a nice smell so he ______ (taste) the brown water. It was quite delicious, and so, one of the world’s favorite drinks ____________ (invent).Lu Yu, “the saint of tea”, ____________ (mention) Shen Nong in his book Cha Jing a few thousand years later. The book describes how tea plants ___________(grow) and used to make tea. It also discusses where the finest tea leaves ______________ (produce) and what kinds of water _________ (use).People believed that tea _____________ (bring) to Korea and Japan during the 6th and 7th centuries. In England, tea _____________ (not appear) until around 1660, but in less than 100 years, it had become the national drink. The tea trade from China to Western countries ______ (take) place in the 19th century. This ________ (help) to spread the popularity of tea and the tea plant to more places around the world. Even though many people now know about tea culture, the Chinese ____ (be) without doubt the ones who best ________ (understand) the nature of tea. 三、 课堂小结It is said that a Chinese ruler called Shen Nong was the first to discover tea as a drink. 据说有一位叫作神农的中国统治者最早发现了茶可以饮用。
It is said that…是个常见句式，表示“据说……”, that后面接完整的句子e.g. It is said that thirteen is an unlucky number in many Western countries. 据说在许多西方国家13是个不吉利的数字本单元还有一个类似的句式: It is believed that…，意思是“人们认为……”, 其后同样接完整的句子四、 练习巩固选词填空smell, remain, ruler, boil, national1. October 1st is _____ ___ Day in China.2. Humans are the ___ __ of the earth.3. When fish goes bad, it ___ ___ terrible.4. They _______ __ in that forest for a year.5. Water ___ __ at 100℃. 根据汉语提示完成句子。
1. I found the key __________ (偶然) when I was cleaning the house.2. The May 4 Movement _______ (发生) in Beijing in 1919. 3. He’ll succeed ____________ (毫无疑问) this time.4. __________ __ (据说) Shen Nong was the first to discover tea as a drink. 5. Tea _____________ (被带到) Korea and Japan during 6th and 7th centuries. 单项选择：1.—Have you ever been to Hong Kong?—Of course.Look,this phone there last year. A.is taken B.took C.was taken D.will take2.Flowers _______along the road last year.A.plant B.planted C.are planted D.were planted3.--Why do you speak in_____ a loud voice?—Because I want to make myself ______clearly. A.such ;hear B.so ; heard C.such ;heard D.so;hear4.The cookies_____ good. Could I have some more? A.taste B.smell C.feel D.sound5.—How many students are there in your school?—About _____.And one third of them _____girls.A.two thousand; is B.two thousands; is C.two thousand; are D.two thpusands; are2。