Unit 6 When was it invented? SectionA（1a-2d）教案 人教版英语九年级全册

Unit6 SectionA（1a-2d）
教学目标
1. 熟练掌握以下词汇及句型: invent，heat，calculator，scoop...，
When was the telephone invented
I think it was invented in 1876.
What are they used for
2.掌握一般过去时态的被动语态由was/were+过去分词构成。
3.通过学习我们周围经常使用的发明物的历史来开阔眼界，丰富自己的阅 历，使自己养成勤于思考、善于总结的好习惯
教学难点
1记住P41--42单词、短语
2一般过去时态的被动语态：助动词be（was / were）+ 过去分词
3能听懂并运用一般过去时的被动语态介绍以往的发明物品
教学过程
一、Let’s look, think and say.
Could you list some inventions in our daily lives
invention: a thing or an idea that hasn’t been created before
1a
In what order do you think they were invented Number them [1-4] (1=first, 4=last).
1b
Listen and match the inventions with the dates.
1876
1885
1927
1871
1976
Task 1: 1c Group work
A: When was the _______ invented
B: It was invented in ______.
The passive voice.
被动语态
主动语态变被动语态的结构图:
Who was ______invented by
It was invented by _________.
Task 2 : Pair work
A: When was the car invented
B: It was invented in 1885.
A: Who was the car invented by
B: It was invented by Karl Benz.
2a
Listen and number the inventions [1-3] in the order you hear them.
______ shoes with special heels
______ shoes with lights
______ hot ice-cream scoop, runs on electricity
2b
Listen again and complete the chart below.
2c
Make conversations using the information in 2b.
What are they used for
They’re used for
Example:
A: What are shoes with special heels used for
B: They’re used for changing the style of the shoes.
巩固练习
同学们做Exercises
thank you