Jagatud heli

EXAM RULES AND REGULATIONS Talking, communication, and copying are strictly prohibited. 禁止说话、交流、抄袭。 Leaving your seat is prohibited (unless you raise your hand and receive permission). If you have any questions, raise your hand to signal the invigilator. 考试中请勿主动离开座位。如有特殊情况，请举手示意监考老师。 Do not open the exam paper until instructed to do so. 考试期间，在听到指令前，不得打开与查看试卷正文内容。