To: Roger Watkins(rwatkins@nex.net)From: Online Shops Unlimited(shop@xec.rrs)S

游客2025-06-13  2

问题 To: Roger Watkins(rwatkins@nex.net)
From: Online Shops Unlimited(shop@xec.rrs)
Subject: Account security
Dear Mr. Watkins,
Our records show that you tried to recover a【K1】______PIN number on August 30.
Please record your new PIN number and always keep it【K2】______. Remember that your PIN allows access to secure information. If you think someone else knows it, you【K3】______it immediately. Please feel free to call our customer service department with any further questions you might have.
Thank you,
Judy Severn,
Customer Service Director [br] 【K2】

选项 A、personal
B、mutual
C、confidential
D、potential

答案 C

解析 该题要挑选出符合语义的形容词。关键是怎样保护个人识别码即密码。personal(私人的),mutual(相互间的),potential(潜在的)并不符合此处语义要求。符合语义的是(C)confidential(机密的,秘密的)。
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