液体油品加热，开始沸腾而出现第一个气泡的温度叫（）温度.
查看答案
在事故链概念中，有激活性错误和潜伏性错误，后者是指（）.
A. 对飞行安全构成直接威胁的错误
B. 对飞行安全具有潜在影响的错误
C. 不会被激活、可以忽略不记的错误
pH对花色苷的热稳定性有很大的影响，在（）pH时稳定性较好。
A. 碱性
B. 中性
C. 酸性
D. 微碱性
在那些情况下应对变压器特殊巡视检查，增加巡视检查次数？?
What are two characteristics of a switch that is configured as a VTP client?（）
A. if a switch that is configured to operate in client mode cannot access a VTP server,then the switch reverts to transparent mode.
B. The local vlan configuration is updated only when an update that has a higher configuration revision number is received.
C. Vtp advertisements are not forwarded to neighboring switches that are configured in vtp transparent mode.
D. When switches in vtp client mode are rebooted,they send a vtp advertisement request to the vtp servers.
E. Vtp client is the default vtp mode
F. On switches that are configured to operate in client mode ,vlans can be created,deleted,or renamed locally
微信支付 
支付宝支付