题目内容

【题目】兰州市规划生态绿地以南北两山森林公园和郊野公园为主体，形成城市生态绿地系统。据次完成下列小题。

【1】夏季人们喜欢去兰山公园休闲度假的原因之一是（　　）

A. 气温比市区低B. 物价比市区便宜C. 交通比市区方便D. 便于野炊

【2】下列行为符合兰州市生态绿地规划的是（　　）

A. 在林区开垦耕地，种植粮食B. 在林区修建高档私家别墅

C. 保护林区植被D. 在林区修建中央商务区

【答案】

【1】A

【2】C

【解析】

【1】夏季城市因大量的人工发热、建筑物和道路等高蓄热体及绿地减少等因素，使得城市“高温化”。城市中的气温明显高于外围郊区和森林公园。因此夏季人们喜欢去兰山公园休闲度假的原因是公园的气温比市区低。故选A。

【2】在林区开垦耕地，修建高档私家别墅和中央商务区会破坏林区的生态环境，都不符合兰州生态绿地规划；保护林区植被符合兰州市生态绿地规划，故选C。

本题考查森林的生态作用。

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