读“热岛效应”示意图,回答10-11题。 市区与郊区之间的热力环流

读“热岛效应”示意图,回答1011题。

市区与郊区之间的热力环流

10.“热岛效应”产生的最主要原因是

A.温室效应                   B.臭氧层的破坏

C.城市大量消耗能源释放废热   D.城市水域面积小,对气候的调节作用不大

11.很多城市在市区与郊区之间广种花草林木,其主要目的是

A.避免市区大气污染物污染郊区                B.减弱噪声,美化环境

C.涵养水源、保持水土                        D.对市区降温、增湿

答案

CD

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