youth(青春)→a youth（青年人）;

power（电力）→a power（大国）；

beauty（美丽）→a beauty（美人，美的东西）

Step 5 Exercise(P46)

IIWords related to computers

Step 1 revision

Have Ss look at the picture and revise names of some parts of the computer.

(screen, monitor, speaker, keyboard, mouse, CD-Rom, printer)

Step 2 Words expand

Teach Ss to learn more words related to computers, especially the most up-to-date hardware: (hard drive, floppy disk, floppy disk drive, U-Disk, ROM, RAM, CPU)

Step 3 practice

Finish the exercise to apply these words practically.

Step 4 more words related to computers

Choose the right words to complete the sentences:

scanner, sound card, CD-writer, network card

1) If we haven't sound card, we can't enjoy the beautiful music by computers.

2) If we want to surf online, we just need to connect the computer with cables by network card.

3) Your photos are so beautiful, and I can use the scanner to copy them into my computer.

4) Sometimes the information in the floppy disk is easily to be destroyed, so we can use a CD-writer to store the information for a long time.

Step 5 Homework

1.Revise what we have learned in this period.

2.Preview Tasks