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3. 让学生了解人类的重大发明，激发学生的求知欲望和远大理想。
教学准备：
PPT
教学过程：
Step1：Warming-up
Welcome back again, at this lesson, we’ll go on learning: Then and now.
1.Watch the video;
(通过一组过去和现在生活的图片，让学生感受到社会的进步。) Our lives have changed a lot in many ways.
2.Introduce Clothes 、Food、House and Transportation about the past and the present.
（过去和现在日常生活衣食住行的变化作对比，让学生进一步掌握be动词和行为动词的一般过去式和一般现在时的句型结构，让学生能够更熟练地运用此类句型对比过去和现在的事情。）
Step2:Culture time
1. 从上面的交通工具的变化，T:How do you go to Beijing?引出an aeroplane a train
Learn :an aeroplane.
2 Who invented the aeroplane and the train?
Read: invent invented
3. Ask: Who invented the aeroplane and the train? Listen and repeat.
Introduce the first aeroplane and the first train.
S: The Americans invented the aeroplane and the British invented the train.
4. But what are the names of the inventors?
. Do you want to know more about the first plane? Let’s take a look.
Who are the Americans and the British?
When did they invent the aeroplane and the train?
Why did they invent the aeroplane and the train?
5. The inventions are so great, They invented the great things.Let’s read more.(完成课课练的连线题)并引出中国的四大发明
T: They’re the four great inventions of ancient China. (展示)
Try to read: Papermaking, Printing, Gunpowder, Compass.
6.Do you want to be an inventor?Do you want to make our life better?
What should we do?学生说
T:Listen carefully in class, we will know a lot and be a useful person！
Step3:Sound time