PURPOSE: A study system using a message service is provided to enable a user to interactively study using the message service.;CONSTITUTION: A response receiving unit(130) receives a response text message from a corresponding user mobile terminal. A marking unit(140) compares the response text message with answer information about a corresponding inquiry word saved in a storage unit. The marking unit determines whether the response text message is correct. A result transmitting unit(150) transmits a result text message to the corresponding user mobile terminal based on the determination result.;COPYRIGHT KIPO 2011
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