CStep Ⅰ Greetings and Revision
Greet the whole class as usual.
T:In the last period,we learnt some useful expressions used to express beliefs and doubts.Now,I’ll check your homework to see whether you can use them freely.Who’d like to act out your dialogue?
(Two students stand up and act out their dialogue.)
CStep Ⅱ Lead-in and Pre-reading
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.