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在美国，近 40% 中学生、近 50% 大学生用 AI 作弊，ChatGPT 成“作弊黑科技”，从作业到论文无所不包且难察觉。学生因作业枯燥难、想拿高分、拖延等使用 AI 作弊，仅少数被发现。教育工作者虽认可 AI 课堂价值，但在防滥用上自行摸索，科技公司未提供实质帮助。对于 AI 对教育利弊看法不一，教育界担忧其助逃学习任务，科技界认为能改革提升教育质量。目前 AI 代写广告多，OpenAI 雪藏检测工具，第三方检测软件不可靠，杜绝 AI 作弊几乎不可能 。
在美国，近 40% 中学生、近 50% 大学生用 AI 作弊，ChatGPT 成“作弊黑科技”，从作业到论文无所不包且难察觉。学生因作业枯燥难、想拿高分、拖延等使用 AI 作弊，仅少数被发现。教育工作者虽认可 AI 课堂价值，但在防滥用上自行摸索，科技公司未提供实质帮助。对于 AI 对教育利弊看法不一，教育界担忧其助逃学习任务，科技界认为能改革提升教育质量。目前 AI 代写广告多，OpenAI 雪藏检测工具，第三方检测软件不可靠，杜绝 AI 作弊几乎不可能 。
Some messages aren’t supposed to last forever. There are some Telegram groups and conversations where it’s best if messages are automatically deleted in a day or a week. Here’s how to auto-delete messages in any Telegram chat. You can enable the auto-delete feature on a per-chat basis. It works for both one-on-one conversations and group chats. Previously, you needed to use the Secret Chat feature to automatically delete messages after a set time. At the time of writing, you can choose to automatically delete messages after a day or a week. Telegram starts the timer once they are sent, not after they are read. This won’t affect the messages that were sent before enabling the feature.
What Is Bitcoin?
Bitcoin is a decentralized digital currency that you can buy, sell and exchange directly, without an intermediary like a bank. Bitcoin’s creator, Satoshi Nakamoto, originally described the need for “an electronic payment system based on cryptographic proof instead of trust.” Each and every Bitcoin transaction that’s ever been made exists on a public ledger accessible to everyone, making transactions hard to reverse and difficult to fake. That’s by design: Core to their decentralized nature, Bitcoins aren’t backed by the government or any issuing institution, and there’s nothing to guarantee their value besides the proof baked in the heart of the system. “The reason why it’s worth money is simply because we, as people, decided it has value—same as gold,” says Anton Mozgovoy, co-founder & CEO of digital financial service company Holyheld.
