Unit 6 When was it invented? Section A 1a-1c 课件（18张PPT，内嵌音频）2022-2023学年人教版新目标英语九年级全一册

(共18张PPT)
Section A
Period 1 (1a—1c)
When was it invented
Unit6
教学目标：
1) 能熟练掌握以下单词和句型：
① invent ---invention--- inventor
②—When was the telephone invented
—I think it was invented in 1876.
2) 能谈论物品被发明的时间、发明者，表达某发明的用途。
宾语从句
1.含义：
2.结构：
当主语为动作的承受者时，谓语要用被动语态。
be done (动词的过去分词)
What do you know the Four Great Inventions
in ancient China
paper-making
printing
gunpowder
compass
Warming - up
Do you know what the most useful inventions are in our life
1a Look at the things below. In what order do you think they were invented Discuss them with your group. Then number them [1-4](1=first,4=last)
1
2
3
4
What order do you think they were invented
A: I think the was invented
before .
B: Well, I think the was
invented after .
I think the TV was invented before the computer.
1b. Listen and match the inventions with the years.
______ 1876
______ 1885
______ 1927
______ 1971
d
a
c
b
1c Pairwork
A: When was the … invented B:I think it was invented in ….
computer
1971
car
1885
TV
1927
telephone
1876
A: What is it used for
B: It is used for…
B:The telephone was invented in 1876.(eighteen seventy-six)
A:When was the telephone invented
B:
A:When was the car invented
Cars were invented in1885.
B:
A:When was the TV invented
The TV was invented around 1927.(nineteen twenty-seven)
B:
A:When was the computer invented
The personal computers were invented in1971. (nineteen seventy-one)
1， 一般过去时的被动语态，以invent为例
be invented by+人 由…人发明
be invented in+年 在…年被发明
当主语为不可数名词或者可数名词单数
时，be动词用was；当主语为可数名词
复数时，be动词用were。
ConclusionConclusion
Language points
2.invent动词，意为“发明，创造”，新东西。 invention名词，意为“发明物”；inventor名词，意为“发明家，发明者”。
eg.：Edison, a great inventor, invented many great inventions during his life.
根据汉语意思填空
1.飞机是谁发明的？
Who the plane by
2.飞机是莱特兄弟发明的。
The plane by the Wright brothers.
3.电话是什么时候发明的？
When the telephone
4.电话是1876年发明的。
The telephone invented 1876.
was
invented
was
invented
was
was
invented
in
Exercises.
Homework
1. understand the usage of the passive voice
2. practice the new sentences
THANKS