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【题目】桑基、蔗基、菜基鱼塘是珠江三角洲地区传统的农业景观和被联全国推介的典型生态循环农业模式。改革开放以来,随着工业化和城镇化的快速发展,传统的基墉农业用地大部分变为建设用地。保留下来的基塘也变以花卉、菜基为主。据此完成下列各

【1】 该地基塘转就以为建设用地对局地气候的影响是( )

A、大气湿度增高 B、大气降水增多

C、近地面风速增大 D、气温变率增大

【2】农民用花基、菜基鱼塘取代桑基、蔗基的直接目的是( )

A、提高土壤质量 B、节省劳动力

C、促进生态循环 D、提高经济收入

【3】桑基、蔗基鱼塘被保留的很少,反映了该生态循环农业模式( )

A、与当地产业发展方向不一致

B、不具有在其他地区推广的价值

C、与现代农业发展要求不相符

D、不适应当地水热条件的变化

【答案】

【1】D

【2】D

【3】A

【解析】

试题分析:

【1】自然地理境整体性。考查获取和解地理信息,调动用地理知,基本技能的能力。考描述和阐释地理事物、地理基本原理与规律的能力。考查论证和探地理问题的能力地基塘转变用地,湿地面积减少,蒸到大中的水汽量少,大气湿地降低,大降水少,大小,气温变率增大,地面摩擦力增大,近地面小,选项D。

【2】查农业区选择。考查获取和解地理信息,调动用地理知,基本技能的能力。考描述和阐释地理事物、地理基本原理与规律的能力。根据材料可知,珠江三角洲地化和城市化的快速展,人们对农产品市需求的转变,花卉和蔬菜的需求量越越大,植和售花卉和蔬菜得的经济效益更高,了提高经济收入,用花基、菜基取代桑基、蔗基,选项,故D。

【3】城市化地理境的影。考查获取和解地理信息,调动用地理知,基本技能的能力。考描述和阐释地理事物、地理基本原理与规律的能力合材料,着工化和城市化的快速展,珠江三角洲地农业比重逐下降,地的土地价格逐农业不能得更多的经济效益,农业被工和第三产业取代,保留下的基塘被经济效益好的花卉、菜基取代,桑基、蔗基已与当产业发展方向不一致,选项,故A。桑基、蔗基少,不代表在其他地区没有推广的价B错误;桑基、蔗基塘是一环农业与现农业发展的要求相符,C错误;桑基、蔗基塘是在地水热条件的基上,建立起的生环农业模式,D错误

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