If an animal’s critical distance is penetrated it

外语类 已帮助 人

If an animal’s critical distance is penetrated,it will______.

A. differs among animal species

B. to psychological distance

C. begin to attack

D. to physiological distance

E. distance between an animal and its enemy before fleeing

F. distance between certain animal species before fleeing

热搜:n维列向量组a1,an-1线性无关,且与非零向量正交