Question

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

 

Answer 1

C

【解析】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。function意为“功能，作用”；motion意为“运动，移动”；action意为“行动，动作”；fact意为“事实”。