Unit 6 When was it invented?第5课时(Section B 3a-Self Check) 课件（18张PPT）

(共18张PPT)
Unit 6 When was it invented
Section B (3a—Self Check)
1.电话是什么时候发明的？
When was the telephone invented
2.它们是用来做什么的？
　What are they used for
3.据说一位叫神农的中国统治者第一次作为饮料发现了茶。
It’s said that a Chinese ruler called Shen Nong was the first to discover tea as a drink.
4.它也讨论最好的茶叶产自哪里以及什么样的水被使用。
It also discusses where the finest tea leaves were produced and what kinds of water were used.
核心句子
5.薯片是意外的发明的。
Potato chips were invented by mistake.
6.顾客说他们不够咸。
　The customer said they were not salty enough.
学习能力：掌握一般过去时态的被动语态结构。
知识能力：学会被动语态中的一些特殊用法。
思维能力：培养学生能用被动语态去描述事物
【学习目标】
3a
Think of something that you do not like to do. Then think of an invention that could help you. Make notes.
Problem: __________________________
New invention: __________________
What it is used for: ______________
quickly taking notes in class
a special pen
Imagine you are a business person. Write a description of your new invention. Try to sell the invention to the class.
3b
This special pen was invented by Liu Jie.
It has three colors and is used for…
范文
memory, then give a short form to each word. When you are writing, you just need to write the short forms with the pen, press a button on the pen and the short forms will change into the actual words. The microchip can contain up to 50 words and you can make changes to the list of words whenever you need to.
Self Check
1 Complete the passage with the correct forms of the words in the box.
invent doubt mention website all of a sudden
invent
all of a sudden
doubt
websites
mention
2 Rewrite these sentences using the passive voice.
1. Someone stole my watch.
2. They used five eggs to make this big cake.
3. When did they invent the personal computer
4. They asked us not to run in the hallway.
5. Someone took the video back to the store.
1. Someone stole my watch.
2. They used five eggs to make this big cake.
My watch was stolen by someone.
Five eggs were used to make this big cake by them.
3. When did they invent the personal computer
4. They asked us not to run in the hallway.
5. Someone took the video back to the store.
When was the personal computer invented
We were asked not to run in the hallway by them.
The video was taken back to the store by someone.
3 Find out information about an invention you would like to know more about and write sentences below.
Invention:
When:
Who:
Purpose:
The number of foreign players , including Chinese players , in the NBA has increased.
　NBA中包括中国球员的外国球员数量有所增加。
　短语the number of… 意为“……的数量，……数目”，修饰主语时，谓语用单数式。
　 eg：The number of students in the class is 68.
　另一个短语是a number of…意为：“若干的，一些”。修饰主语时，谓语用复数式。
　 eg：一些人对这项决定并不满意。
　A number of people are unhappy with the decision.
【探究·导学】
掌握下面的单词、短语和句式
单词 fridge, low, somebody, translate, lock, earthquake, sudden, bell, biscuit, cookie, musical, instrument, sour, customer, Canadian, divide, basket, hero
短语 all of a sudden, by mistake, divide…into…, not only…but also…, look up to
句式 Basketball has not only become a popular sport to play, but it has also become a popular sport to watch.
【课堂小结】
Fill in the blanks with the correct form of the given verbs.
The first paper __________ (make) in China in 105 AD.
In 610, papermaking ______________ (introduce) into Japan.
was made
was introduced
were known
3. Kites ___________ (know) in China about 3,000 years ago.
4.Soccer _____________ (develop) in England in the 12th century.
was developed
【训练·评价】