敦煌莫高窟开凿于（） ["公元366年","公元383","公元220","公元前221"]
简述学生的身体健康权。
TSS-320/160支持的LAG的单板有？（） ["10xGE","1x10GE","1xSTM-16","1xSTM-64"]
Which three statements about the Cisco MPLS TE Fast Reroute （FRR） process are true？（） ["TE tunnels that are configured with the FRR option cannot be used as backup tunnels.","TE tunnels that are configured with the FRR option can be used as backup tunnels.","The backup tunnel that is used to protect a physical interface must have a valid IP address configured.","Interfaces must use MPLS global label allocation.","The source IP address of use backup tunnel and the merge point （MP） should not be reachable."]
在市场经济条件下，报酬和风险是成反比的，即报酬越高，风险越小。（）
层状介质情况下，引入平均速度的条件是什么？
