下图为我国西部某区域7月均温(0C)等值线图,回答下列各小题:

下图为我国西部某区域7月均温(0C)等值线图,回答下列各小题:

导致甲、乙两地气温差异的主要原因是:            (    )

A.两地距海远近的不同        B.甲地为盆地,乙地为高原

C.高山阻挡了水汽输送        D.两地纬度差异大

甲地严重缺水,生态环境恶劣,制约了经济的发展,为了改善水源紧张的状况,以下措施你认为正确的是:        (    )

①退耕还林还草,提高植被覆盖率

②推广喷灌、滴灌等节水技术,发展节水农业

③向天山等地的冰川撤播黑炭,以增加融雪水量,大力发展绿洲农业

④大规模利用人工降雨技术,增加降水量

A.①③       B.①②       C.③④        D.①④

“红色产业”是甲地区红色农产品及其加工工业的统称,红花、番茄、枸杞是该地区“红色产业”的三大支柱,其中番茄酱是重要的出口创汇产品,该地区番茄色红、质优的重要自然原因是:           (    )

①科技创新培育优质品种                 ②日照时间长,光照充足

③水源充足,黑土肥沃         ④昼夜温差大,养分积累多

A.①③            B.①④            C.②③            D.②④

答案

【小题1】B

【小题1】B

【小题1】D


解析:

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