| 摘要 |
<p>PROBLEM TO BE SOLVED: To enable a teacher to control the progress of a lesson using a teaching material of already distributed teaching material data. SOLUTION: In the language learning system provided with a teacher computer 10 and a student computer 30 connected with the teacher computer 10 via a communication network, a flag rewritable from the teacher computer 10 and indicating whether an operation is permitted or prohibited is provided in the teaching material data distributed to the student computer 30, and the operation to the teaching material data by the student computer 30 is permitted only when the flag value indicates permission of the operation. Thus, the teacher can control the already distributed teaching material and can control the progress of the lesson.</p> |
