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    【题目】全球气候变暖已引起人们广泛关注。据此完成下面小题．

    【1】导致全球气温升高的主要人为原因是

    A. 修建水库和灌溉工程B. 农业生产过程中使用大量的化学肥料

    C. 大量人工造林D. 人类在生产生活过程中排放的二氧化碳等温室气体急剧增加

    【2】作为一名中学生，在应对全球气候变暖时，下列哪个做法不可取

    A. 随手关灯，节约用电B. 使用一次性木筷，既方便又卫生

    C. 超市购物使用环保购物袋D. 上学步行或乘坐公交车

    【答案】

    【1】D

    【2】B

    【解析】

    【1】人类活动可以对气候产生影响，主要表现在：通过改变地面状况，影响局部地区气候。如人工造林、修建水库和灌溉工程，可以使当地气温的变化趋于缓和。农业生产过程中使用大里的化学肥料会污染土壤，对气候影响小；近50年来，人类在生产、生活过程中排放的二氧化碳等温室气体急剧增加，使全球气温升高，旱涝灾害频繁。D符合题意。

    【2】节能减排，绿色出行，保护环境人人有责，大量使用一次性木筷，是对森林资源（森林可以吸收二氧化碳）的破坏，是错误做法；B符合题意。

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