教学目标：
1、通过look and learn栏目，帮助学生学习本单元的生词。
2、通过Listen and say关于发明的对话引入生词，学习如何介绍发明及其功能。
重点难点：
1、能掌握单词 invention, watch, anywhere, travel, invent, myself
2、会运用句型 People can tell the time anywhere.
What are you going to invent?
I am going to invent a flying bike.
教学方法：
任务教学法、情景教学法。
教学过程：
Pre-task preparations
1、播放有关人类历史上伟大的发明创造的视频，引导学生看图说出单词，最后教师总结，出示课题Great inventions, 教学单词invention。
T: Look! What are they?
S1:A telephone.
S2:A watch.
S3: A train.
T: Yes. These are all the great inventions that bring people a better life.
2、学生尝试用以下句型说一说自己知道的发明。
S1：Paper is a great invention.
S2: The train is a great invention.
While-task procedures
1、播放listen and say的录音，让学生找出对话中提到的几个发明。
T: The children in Ms Guo’s class are talking about inventions. Listen to the dialogue and name the inventions they talk about.
Ss: Paper, the watch…
2、出示对话中提到的四个发明及Look and learn中的相机图局部，让学生猜并说出是什么物品。
T: (show part of the picture of a watch) What is this invention?
Ss: A watch.
T: Yes. (show the whole picture) It is a watch.
3、将四个发明的图片贴在黑板上，再次播放课文录音，引发学生关注每个发明给人类带来的好处。
T: Now let’s listen to the dialogue again. Try to find out what people can do with these inventions. (show the picture of paper) Paper.
Ss: People can write on it.
T: (show the picture of a watch) A watch.
Ss: People can tell the time anywhere.
根据图片，学生以小组形式介绍每个发明的功能。
S1：Paper is a great invention. People can write on it.
S2: The watch is a great invention. People can tell the time anywhere.
4、播放课文录音，学生模仿录音朗读对话，然后分组分角色朗读对话。
Post-task activities
学生独立完成课本第69页反馈练习中的猜谜游戏，并通过小组交流核对答案。