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記事「junior high school」 の 検索結果 2 件

• Students addicted to keitai (2)―late-night emailing

  According to the survey conducted by the “Japan PTA National Council” in November l..

  Japan's Telecom Services Guide 00:00 06/12
• Students addicted to keitai (1)

  Sixteen percent of second-year junior high school students and 3 percent of fifth graders send/..

  Japan's Telecom Services Guide 00:00 06/10

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