单项选择题
A.way B.echo C.expression D.reinforcement
When intruded, a territorial animal will only perform s...
单项选择题When intruded, a territorial animal will only perform some hostile()to warn off the intruder.
A.behaviors B.actions C.signs D.gestures
But it is evidently bored and frustrated()company.A.spe...
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
Knowledge()human beings into civilization.A.channelsB.a...
单项选择题Knowledge()human beings into civilization.
A.channels B.adapts C.turns D.takes