【題目】全球氣候變暖已引起人們廣泛關(guān)注。據(jù)此完成下面小題．

【1】導(dǎo)致全球氣溫升高的主要人為原因是

A. 修建水庫和灌溉工程B. 農(nóng)業(yè)生產(chǎn)過程中使用大量的化學(xué)肥料

C. 大量人工造林D. 人類在生產(chǎn)生活過程中排放的二氧化碳等溫室氣體急劇增加

【2】作為一名中學(xué)生，在應(yīng)對全球氣候變暖時，下列哪個做法不可取

A. 隨手關(guān)燈，節(jié)約用電B. 使用一次性木筷，既方便又衛(wèi)生

C. 超市購物使用環(huán)保購物袋D. 上學(xué)步行或乘坐公交車

【答案】

【1】D

【2】B

【解析】

【1】人類活動可以對氣候產(chǎn)生影響，主要表現(xiàn)在：通過改變地面狀況，影響局部地區(qū)氣候。如人工造林、修建水庫和灌溉工程，可以使當(dāng)?shù)貧鉁氐淖兓呌诰徍�。農(nóng)業(yè)生產(chǎn)過程中使用大里的化學(xué)肥料會污染土壤，對氣候影響��；近50年來，人類在生產(chǎn)、生活過程中排放的二氧化碳等溫室氣體急劇增加，使全球氣溫升高，旱澇災(zāi)害頻繁。D符合題意。

【2】節(jié)能減排，綠色出行，保護環(huán)境人人有責(zé)，大量使用一次性木筷，是對森林資源（森林可以吸收二氧化碳）的破壞，是錯誤做法；B符合題意。

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