我国《事业单位会计准则》规定，事业单位的资产一般优先采用的计量属性是（）
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某井采用螺杆泵生产，泵型为GLB500―14K，转速120r／min。该井的理论排量是多少？
轧钢生产中理想的连轧条件是（）
A. FiVi=Fi+1Vi+1
B. FiVii+1Vi+1
C. FiVi>Fi+1Vi+1
Choose the true statement regarding QoS pre-classify.（）
A. QoS pre-classify permits making QoS decisions based on elements from the unencrypted IP packet.
B. QoS pre-classify is required when encrypting voice.
C. QoS pre-classify is an advantage to Service Providers transporting encrypted packets.
D. QoS pre-classify is not designed for IPSec/GRE configurations.
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