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gone by times totally standing connected Advantages and disadvantages of the puters. Discussion advantages we can municate with friends listen to the music see films watch news play games do shopping save a lot of time do a lot of useful things Disadvantages Some people especially the teenagers abandon (沉迷于 ) themselves to the puter games and chatting on the Inter. As a result, they have little time to study . Some people use the puter wrongly. Homework 1. Review the text 2. Recite Para one 3. Finish Ex. 1/2 on Page 20. 演講完畢,謝謝觀看! 。 Unit 3 Computers Period 1 Warming up Heavy! Difficult! Hard! Tired! 1. Easy! 2. Fast! 3. Free! keyboard mouse monitor screen speaker host puter camera What do they have in mon? an abacus a calculator a desktop a notebook puter a lapto