When intruded, a territorial animal will only perform some hostile（）to warn off the intruder.

单项选择题But it is evidently bored and frustrated（）company.

A.speaking of
B.for lack of
C.in honor of
D.in the presence of

单项选择题Knowledge（）human beings into civilization.

A.channels
B.adapts
C.turns
D.takes

单项选择题An（）young man can go far in this university.

A.assertive
B.illegal
C.aggressive
D.affectionate

单项选择题You don't have to show（）to me. You can have your own ideas.

A.attachment
B.aggression
C.submarine
D.submission

单项选择题His scientific interests cover a wide（）

A.scale
B.territory
C.draft
D.instinct