题目内容

人体细胞的形态和大小随其所处的环境和功能的不同而相同。

A. 正确
B. 错误

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Your tnsnames.ora file has the following entry for the service alias ORCL: ORCL = (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP) (HOST = 10.156.24.216) (PORT = 1521)) (CONNECT_DATA = (SERVER = DEDICATED) (SERVICE_NAME = orcl.oracle.com) ) ) The TNSPING command executes successfully when tested with ORCL but you are not able to connect to the database instance with the following command: SQL> CONNECT scott/tiger@orcl What could be the reason for this?()

A. The listener is not running at the server.
B. The TNS_ADMIN environmental variable is set to a wrong value.
C. The orcl.oracle.com database service is not registered with the listener.
D. The DEFAULT_DOMAIN parameter is set to a wrong value in the SQLNEORA file.

技术状况检查,是检验车辆装备和器材装备使用是否正确、管理中安全措施是否落实、按配备标准装备器材配备是否缺失(特别是车配器材)。

A. 正确
B. 错误

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