您还没有登录,登录以后才可以查看答疑和进行提问。

试题详情

Communal feeding is a remarkable behavioral aspect of this generally solitary animal. It is also misunderstood behavior and one of the reasons that Tasmanian devils have a bad reputation. Far from being a (i)____, communal devil feeding is (ii)_____ and purposeful, and is described as (ii)_____ behavior. The screaming and apparent fighting is an elaborate combination and variety of vocalizations and postures by which order is maintained.
Blank(i)Blank(ii)
A、free-for-allD、structured
B、rarityE、vicious
C、necessityF、infrequent
答案:A,D,I

专业教师答疑

问个问题