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问题 单项选择题

某一种密钥系统有两个密钥，一个密钥是公开的、用于信息加密，另一个密钥只有信息接受方掌握、用于解密，这种密钥系统是：（）

A.RSA算法。

B.数据加密标准（DES）。

C.调制解调器。

D.密码锁。

答案

参考答案：A

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Questions 16-22
· Look at the notes about an enterprise.
· Some information is missing.
· You will hear part of a presentation by the International Manager of the company.
· For each question, fill in the missing information in the numbered space, using one or two words.
· You will hear the presentation twice.

Honeybee Foods Corporation
Honeybee started originally as (16) an ______ parlor
The company’s name came from(17) TTC’ s vision of employees working
like ______
Honeybee’s philosophy (18) “______”
Up to 1985, Honeybee had(19) ______ chains in the Philippines
In its international expansion, the successful chains were in (20) ______
The chain store of Honeybee in Singapore was(21) ______
In the future Honeybee should (22) ______ step by step.
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机房综合监控系统中，（）用户角色能对用户信息进行设置。
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