教学目标：
1. 语言知识目标：
1) 复习一般过去时态被动语态的用法。
2) 能够用英语讲述自己所熟悉的某一发明的简单过程。
3) 能用就本单元所学习的寓言故事等语言材料， 并用英语介
绍某一发明的简要过程。
2. 情感态度价值观目标：
了解世界上一些对人类有着重大意义的发明的相关信息，开阔学生的眼界，养成勤于思考，善于发现的好习惯，培养学生的创造精神。
二、教学重难点
1. 教学重点：
1）用英语介绍某一发明的简要过程。
2）掌握本单元所学的词汇、句型及语法知识，并能进行综合英语写作
2. 教学难点：
用英语介绍某一发明的简要过程。
三、教学过程
Ⅰ. Revision
1. Review the expressions and sentencese
2. Let Ss introduce the history of basketball.
Ⅱ. Lead in
1. Ask Ss which invention they like best.
Ss think about their favorite inventions.
2. Let some Ss talk about their favorite inventions.
Ⅲ. Thinking
1. Ask Ss what things they don’t like to do.
e.g. Problem: quickly taking notes in class.
2. Discuss in group and think of an invention that could help you.
e.g. New invention: a special pen
What it is used for： taking notes quickly in class
3. Ss discussing the problems and try to make their own notes.
4. Let some Ss read their notes to the class.
Ⅳ. Writing
1. Tell Ss to write a description of your new invention.
2. The following sentence structure may help you.
常用句型：
① I think … is a very useful invention.
我认为……是一项很有用的发明。
② … was invented by…
……是由……(某人)发明的
③ … was invented in…
……是在……（某时间）发明的
④ It was used for… 它被用来……
⑤ … is made of……… 是由……(材料)制成的
2. 方法指导：
复习一般过去时态的被动语态的句子结构。
复习将主动语态句子变为被动语态句子的过程。
3. Ss work by themselves and try to rewrite the sentences.
4. 帮助学生完成英语作文“When was it inwented?”
主要从以下几个方面去完成：
Find out information about an invention you would like to know more about and write sentences below.
Invention: __________
When: _____________
Who: _____________
Purpose: __________
Homework
. 试着向你的朋友用英语写出自己最喜欢的发明物.字数要求在80词左右。
板书设计
when was it invented?
What.
When.
Who
How.
Why.
summary:
附 件：
发表于 2019-9-13 23:46:11