脑的生物电信号可以被用来解读，从而控制机器。
参考答案：对
My uncle’s house in the downtown area is much smaller than ours, but it is twice
______expensive.
A．as
B．so
C．too
D．very
大理石饰面板材贴挂和花岗石饰面板材的贴挂，常采用( )方式施工。
A．湿法贴挂 B．干挂法固定C．粘贴法 D．搁置法
