S: If I want others to talk quietly, what should I say?

S: Keep the noise down.

S: If you don't know what to do, you may say...

S: Where do I go from here? 

T: If you hear someone say, "Bag it," what does he really mean?

S: Put it in the bag.

T: No. It isn't.

S: Keep it secret.

T: No. It means "Forget about it". You see, English is great fun.

Step 5 Function

　 Learn to express the sequence.

T: First read the short passage. Then judge when you use them.

S: When we state an event, we use First..., Then..., Next...,After that...,Lastly....

T: Think of a situation where you use the expressions. Tell the story to your deskmate.

Step 6 Culture corner

　 T: What are you interested in?

S: Physics.

T: Why are you enjoying learning physics?

S: I want to learn how things work.

T: Do you hate to be told to do this or that?

S: I am excited if I can choose what I want.

T: Now read the passage on P49. It will help you in learning about the science teaching in a school in Canada. 

Ss read the passage eagerly.

T: Why has Mark become more interested in science?

S: Because the science teachers at his new school are excellent.

S: Because they have good labs with the latest equipment.

S: Because his teacher often takes them to some interesting lectures by the famous scientists.

S: It is much easier for him to understand his science lessons.

T: Very good. Does our school have such good facilities?

Ss: No.

Step 7 Discussion

　 T: What can you suggest to the school?

S: Ask more good teachers to come to teach in our school.

S: Buy more advanced equipment.

S: Ask some scientists to give us lectures.

S: Visit some museums.

Step 8 Further reading

　 Read the passage to pick out the useful expressions.

(1)used to 过去常常

 (2)change schools 转学

(3)the latest equipment 最新的设备

 (4)four times a term 每学期四次