What are the possibilities and how can we prevent cheating at this level?

那么，作弊的可能性是多少，我们如何防止作弊？

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During quizzes, Dr. St. Pierre now requires everyone to leave their books at the front of the classroom to prevent cheating, a precaution not taken during any of his two decades at Delaware.

在测试中，现在皮埃尔博士要求每个人把自己的书放到教室前面来防止作弊，在他之前的二十年特拉华生涯中没有采用一项这样的预防措施。

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World of Warcraft has many features specifically designed to detect, identify and prevent cheating and hacking in the game.

魔兽世界特别设计了许多特性来侦测、判别和防止游戏中的作弊和破解行为。

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To prevent cheating, bidding is anonymous and companies are barred from discussing their participation.

FORBES: Google Likely Out, And Happy

Andresen explained to BusinessWeek that bitcoins use a distributed intermediary to credit and debit accounts and prevent cheating.

FORBES: Are Bitcoins Worth Their Weight in Gold?

But research shows it is one of the best ways to prevent cheating.

WSJ: Why More Young Kids Cheat at School