Yesterday morning in a city in the USA a crowd of dustmen went on a strike to complaints

问题补充：

Yesterday morning in a city in the USA, a crowd of dustmen went on a strike to complaints about their low pay．

A. sound

B. voice

C. noise

D. talk

答案：

A. sound

(答案→)B. voice

C. noise

D. talk

解析：词义辨析。 A．声音；听起来 B．嗓音 ；表达 C．噪音 ；发出声音D．说话。句意：昨天早晨在美国一个城市，一群清洁工举行罢工表达他们对于低工资的不满。故选B。