钻石常具有（）晶形 ["六方柱","三方柱","八面体","立方体"]
物种多样性。
放线菌的菌丝类型：（）、（）、（）
套种
What are two benefits of control plane policing？（） ["protection against denial of service （DoS） attacks at infrastructure routers and switches"," protection against known worm attacks in routers and switches","quality of service （QoS） control for packets that are sourced from the data plane of Cisco routers and switches","quality of service control （QoS） for packets that are destined to the control plane of Cisco routers and switches","quality of service （QoS） control for packets that are destined to the data plane of Cisco routers and switche"]
鱼类养殖的重要目标是什么？
