题目内容

没药具有的功效是()

A. 活血行气,祛风止痛
B. 活血止痛,行气解郁,清心凉血,利胆退黄
C. 活血行气,止痛,消肿生肌
D. 活血调经,祛瘀止痛,凉血消痈,除烦安神
E. 活血止痛,消肿生肌

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()的含量测定可用碘量法。

水泥的性能主要决定于()。

A. 熟料组成与质量
B. 石膏质量
C. 混合料组成与质量
D. 水及其洁净度

为防止钻孔施工过程中发生煤和瓦斯突出事故,在突出煤层封孔时,套管长度应大于(),套管口应装密封安全装置。

A. 1m
B. 1.5m
C. 2m
D. 2.5m

Your database initialization parameter file has the following entry: SEC_MAX_FAILED_LOGIN_ATTEMPTS=3 Which statement is true regarding this setting?()

A. It drops the connection after the specified number of login attempts fail for any user.
B. It is enforced only if the password profile is enabled for the user.
C. It locks the user account after the specified number of attempts.
D. It drops the connection after the specified number of login attempts fail only for users who have the SYSDBA privilege.

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