课题：Unit 4 When was it invented ?SectionB  讲课人：吕琳

Teaching Aims:

●To learn to use passive voice (questions and statements)

●To read about tea

Step 1 Review the new words and the useful phrases ，and use them to make some sentences all by themselves

1. 表示“错误地________________2. “ 错把……当作……___________________

3. 足够咸____________________4. 直到……才……”，____________________

5. 撒(某物)于(某物的表面) ___________6.偶然，无意中 ___________________
 1. 小汽车是什么发明的？___________________________________________
 2. 它是在1885年发明的。__________________________________________
3.它们是由谁发明的？______________________________________________
4.它们是由Julie Thompson 发明的。__________________________________

5.它们是用来做什么的？____________________________________________
6.它们是用来在黑暗处看东西的。_____________________________________

Step 2. 1. Read the article and write answers to the questions.(3a)

1.What is the article about ? 

2. When was it invented?   

3. Who was it invented by?  

4. How was it invented?     

Step 3.Listen to the tape then fill in blanks,then check their answers.

Did you know that tea, the most _______drink inthe world (after water), _____________by accident?Although tea_______________ to the Western world until 1610, this beverage _________overthree thousand years before that. _____________an Ancient Chinese legend, the emperor Shen Nong Discovered tea when he________ drinking water over an open fire. Some leaves from a nearby bush ________the water and remained there for some time. The emperor noticed that the leaves in the water ______a pleasant smell. Later he decided to tastethe hot mixture. It was quite delicious. And ______, one of the world’s favorite ____was invented.

Step 4 Retell the article according to the key words and the form

 1.Popular        2. was invented      3.wasn’t brought

 4.was discovered   5.According to  6.was boiling7.fell into         

 8. produced       9.Drinks            10.in this way

Step 6 Write an article using the notes in the box

1.      work in groups and make some conversations just like this

A:who invented the flying disk?

B: The flying disk was invented by college students.

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Step 7.Ask the students to practice 3b ， write an article using the note in the box .

From pie plate to flying disk.

The flying disk was invented by college students.________________________

_________________________________________________________________

 

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Step 7.Do some exercises（自我检测）

一、根据所学短文完成填空。

Did you know that tea, the most popular drink inthe world (after water), __________（invent）by accident?Although tea__________（not bring）to the Western world until 1610, this beverage _________（discover）overthree thousand years before that. _____________（根据，通过）an Ancient Chinese legend, the emperor Shen Nong Discovered tea when he________（boil） drinking water over an open fire. Some leaves from a nearby bush __________（落入）the water and remained there for some time. The emperor noticed that the leaves in the water _______（produce）a pleasant smell. Later he decided _____(taste) the hot mixture. It was quite delicious. And _____(这样), one of the world’s favorite ____（drink）was invented.

二、背过下列重点句并默写在学案上，注意书写认真

1.茶是世界上最受欢迎的饮料（仅次于水），你知道它是由于一个偶然的原因而发明出来的吗？____________________________________________________________

 

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2.虽然知道1610年茶才被带到西方国家。但这饮料早在传入西方之前的3000年前就被发现了。__________________________________________________________

______________________________________________________________________.

3. 根据一份中国的古代资料记载，神农氏在户外的柴火上烧水喝时发明了茶。______________________________________________________________________

_____________________________________________________________________

4.附近的灌木丛中的树叶落入水中并在里面泡了一段时间.

______________________________________________________________________.

学后小记：