根据我国的著作权取得制度，(25)内容符合我国公民著作权产生情况。
- A．随作品的发表而自动产生
- B．随作品的创作完成而自动产生
- C．在作品上加注版权标记后自动产生
- D．在作品以一定的物质形态固定后产生
-
(82)
- A．same
- B．different
- C．difference
- D．some
-
(81)
- A．two related keys are
- B．a key is
- C．two unrelated keys are
- D．three keys are
-
(80)
- A．synchronous
- B．Asynchronous
- C．symmetric
- D．asymmetric
-
(79)
- A．a key
- B．two keys
- C．three keys
- D．four keys
-
(77)
- A．in general
- B．in any term
- C．in set terms
- D．in terms of
-
In the following essay, each blank has four choices. Choose the most suitable one from the four choices and write down in the answer sheet. There are two types of key technology: private key and public key. Private-key encryption methods are called(71)ciphers, information is encrypted with(72)both the sender and receiver hold privately. Public-key encryption methods are called(73)ciphers,(74)created for each user, encryption key and decryption key are(75)
- A．synchronous
- B．Asynchronous
- C．symmetric
- D．asymmetric
-
(76)
- A．faced on
- B．faced with
- C．faced about
- D．faced up to
-
(75)
- A．consolidates
- B．consists
- C．considerate
- D．consoles
-
(74)
- A．same
- B．similar
- C．different
- D．difference
-
In the following essay, each blank has four choices. Choose the most suitable one from the four choices and write down in the answer sheet. Heterogeneous network environments consist of computer systems from(66)vendors that run(67)operating systems and communication protocols. An organization that(68)its computer resources is usually(69)the task of integrating its heterogeneous systems. Typically, each deparlment or division has defined its own network needs(70)OS, LAN topology, communication protocols, applications, and other components.
- A．same
- B．similar
- C．different
- D．difference
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