具有温经止血,散寒止痛功效的药物是()
A. 槐花
B. 三七
C. 地榆
D. 艾叶
When applying the configuration in the exhibit and initializing a chassis cluster, which statement is correct?()[edit chassis]user@host# showcluster {reth-count 3;redundancy-group 1 {node 0 priority 1;node 1 priority 100;}}
A. Three physical interfaces are redundant.
B. You must define an additional redundancy group.
C. node 0 will immediately become primary for redundancy group 1.
D. You must issue an operational command and reboot the system for the above configuration to takeeffect.
在加氢精制装置中,反应器一般设有急冷氢设施,急冷氢设施一般在()
A. 正常情况下不使用,在事故状态下使用
B. 正常情况下使用
C. 事故状态下不使用
D. 无法确定
将23g钠和24g镁分别放入等质量的过量的稀硫酸中,得到溶液的质量分别为ag和b9,设反应中水分不损失,则a和b的关系为()
A. a=b
B. a>b
C. a
D. 无法确定