【单选题】Questions 175-176 refer to the following memorandum.
MEMORANDUM
To:All staff
From:BrianCandlerB、Candler@pobox.com)
Delivery date: Mon, 28 May 2007, 13:47:03
Subject: Long-distance calling instructions
Next month, there will be an important change to the way we make long-distance telephone calls. This should help provide extra security for our telephone systems. Your authorization number will go from four digits to five digits in length.A、"3" will be added to the start of your authorization number. For example, if your number was "1234" , it will change to "31234" . Remember that if you have automatic telephones or fax machines, they will have to be reprogrammeD、
* The authorization number is not necessary when making local calls.
Why is the change outlined in this memo made
A、To reduce costs
B、To adapt to a new phone system
C、To increase the security of the communication system
D、To provide automatic dialing
网考网参考答案：C
网考网解析：
初级问题 原文开头提到: This should help provide extra security for our telephone system. (这有助于提高电话装置的安全性能。)由此可知，更改电话装置是为了“提高安全性能(extra security)”。 document.getElementById("warp").style.display="none"; document.getElementById("content").style.display="block"; 查看试题解析出处>>
To:All staff
From:BrianCandlerB、Candler@pobox.com)
Delivery date: Mon, 28 May 2007, 13:47:03
Subject: Long-distance calling instructions
Next month, there will be an important change to the way we make long-distance telephone calls. This should help provide extra security for our telephone systems. Your authorization number will go from four digits to five digits in length.A、"3" will be added to the start of your authorization number. For example, if your number was "1234" , it will change to "31234" . Remember that if you have automatic telephones or fax machines, they will have to be reprogrammeD、
* The authorization number is not necessary when making local calls.
Why is the change outlined in this memo made
A、To reduce costs
B、To adapt to a new phone system
C、To increase the security of the communication system
D、To provide automatic dialing
网考网参考答案：C
网考网解析：
初级问题 原文开头提到: This should help provide extra security for our telephone system. (这有助于提高电话装置的安全性能。)由此可知，更改电话装置是为了“提高安全性能(extra security)”。 document.getElementById("warp").style.display="none"; document.getElementById("content").style.display="block"; 查看试题解析出处>>
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