【正文】
pound words and deduce the meanings of the words. Step 1. (Group Work) Divide Ss into four groups and have a word contest to see which group can list more pound words by adding prefixes or suffixes. The more words they write, the higher scores they can get. Step 2. (Pair Work) Show the following words on the screen and let the Ss to discuss the characteristics of these words. (1) keyboard, hardware, software, work, newspaper (2) CDROM, highspeed, warmup, babysitter (3)mobile phone, puter system, searc