1. When answering this question, you should compare the typical noise levels found in urban environments with those in rural areas. Highlight the sources of noise in each setting. 2. For cities, common sources of noise include traffic, construction, and industrial activities. In contrast, the countryside might experience occasional noise from agricultural activities or natural wildlife, but generally, it is quieter. You can discuss how the density of population and industrial activities contributes to higher noise levels in urban areas.

1. 回答这个问题时，您应该比较城市环境中典型的噪音水平与农村地区的噪音水平。强调每个环境中的噪音来源。 2. 城市的常见噪音来源包括交通、建筑和工业活动。相比之下，乡村可能会偶尔遇到农业活动或自然野生动物传来的噪音，但总体上更为安静。您可以讨论人口密度和工业活动如何导致城市地区更高的噪音水平。