某基层党支部共有委员7名，召开支部委员会时，因2名委员在外学习，只有5名委员参加会议，在对某一重要事项进表决时，有3名委员投赞成票，2名委员投反对票，党支部委员会以少数服从多数的原则通过了此项决议。
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大电力系统的后备保护分为（）。
A. 远后备保护
B. 近后备保护
C. 辅助保护
D. 远后备和近后备保护
支部民主生活会须有五分之四以上的支委成员参加。
A. 正确
B. 错误
防错设计可以分为：预防错误的发生，错误发生后及时可以发现，（）。
You need to configure fine-grained access control to external network resources from within your database. You create an access control list (ACL) using the DBMS_NETWORK_ACL_ADMIN package. Which statement is true regarding the ACL created?（）
A. It is a list of remote database links stored in the XML file that are available to the users of the database.
B. It is a list of users and network privileges stored in the XML file according to which a group of users can connect to one or more hosts.
C. It is a list of users and network privileges stored in the data dictionary according to which a group of users can connect to one or more hosts.
D. It is the list of the host names or the IP addresses stored in the data dictionary that can connect to your database through PL/SQL network utility packages such as UTL_TC
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