In public places, we can often see ______ that tell us useful things, such as no

题型：不详难度：来源：

In public places, we can often see ______ that tell us useful things, such as no parking, no smoking, etc.

A．symptoms

B．signs

C．systems

D．signals

答案

B

解析

试题分析：名词辨析。A症状；B迹象，征兆，符号；C系统；D信号；句意：在公共场所，我们经常能看见一些符号，这些符号告诉我们一些有用的信息如不准停车，不准抽烟等。
点评：名词的词义辨析要放在上下文中进行，同时要注意名词与介词的固定搭配。