In everyday communications, information ____ by gestures is often misinterpreted. [ ]

A. suggested

B. conveyed

C. expressed

D. signaled

国家在征税前就以法律或法规的形式预先规定了征税的标准，这体现了税收的 ( )特征。

A．强制性

B．无偿性

C．标准性

D．固定性