【正确答案】 B

【答案解析】[听力原文]80-82 All employees are required to wear an identification badge at all times. Lost badges must be reported immediately to your supervisor. A replacement badge will be requested for you, and a temporary badge will be issued for the interim. In cases of repeated badge loss, a replacement fee may be charged at the discretion of the security office. Please remember that all visitors must be accompanied at all times by employees with identification badges. Visitors without escorts will be asked by security personnel to leave the building. Help us enforce this security standard by reporting any unescorted persons to the security office. Thank you for your cooperation. The announcer says that lost badges must be reported to an employee's supervisor. Choice (A) is incorrect because it is the supervisor, not the employee, who will ask for a replacement. Choice (C) repeats the word visitor. Choice (D) is what visitors, not employees, might be asked to do.

【正确答案】 A

【答案解析】Visitors must be accompanied by employees with identification badges. Choice (B) confuses permission from security personnel and asked by security personnel to leave. Choice (C) is how employees must appear at all times. Choice (D) is not mentioned.

【正确答案】 A

【答案解析】All employees are required to wear an identification badge. Choice (B) is not likely. Choices (C) and (D) do not need to have an ID, but they do need to be with an employee with an ID.