互动封闭仿真课堂1、智能交互 2、电子板书式视频教学 3、5分钟一次互动问答 4、封闭课堂
T:Thank you for your good performance.Yesterday we talked about science fiction and also had a scientific test.By doing the exercises,we learnt some scientific facts.Today,let’s continue to learn more about scientific facts.Look at the pictures on the screen.
(Show the following pictures on the multimedia.)
T:Here are three great inventions.Who can say when the inventions in the pictures were made?
S1:Electric railway was invented in the early years of the 20th century.
S2:Thomas Edison invented the light bulb in 1879.
S3:Steam-powered boat was made in 1807.
T:You’re quite right.Now,look at the screen,please.