As is well known, the brain performs a very important _______, which controls the nerve system of the body.
A. motion B. action C. function D. fact
As is well known, the brain performs a very important _______, which controls the nerve system of the body.
A. motion B. action C. function D. fact
C
句意：众所周知，大脑起着重要的作用，它控制着人体的神经系统。A项移动，运动；B项行动，function功能，作用。