【題目】二氧化碳引起的全球“溫室效應(yīng)”會(huì)產(chǎn)生（ ）

A. 氣候變化B. 臭氧層空洞C. 降水量增多D. 全球氣溫上升

【答案】D

【解析】

根據(jù)全球變暖是指全球氣溫升高。近一百多年來，全球平均氣溫經(jīng)歷了冷暖冷暖兩次波動(dòng)，總體為上升趨勢(shì)。全球變暖的主要原因是人類在近一個(gè)世紀(jì)以來大量使用礦物燃料，排放大量的溫室氣體。全球變暖的后果，會(huì)使全球降水量重新分配，冰川和凍土消融，海平面上升等，既危害自然生態(tài)系統(tǒng)的平衡，更威脅人類的食物供應(yīng)和居住環(huán)境，進(jìn)行分析解答。

人類生活在地球上，與生存環(huán)境之間是相互聯(lián)系、相互依存、相互制約的，形成一個(gè)統(tǒng)一的不可分割的整體。近一個(gè)世紀(jì)以來，人們?cè)谌粘Ｉa(chǎn)和生活中通過燃燒化石燃料釋放大量的二氧化碳等溫室氣體。近年來，主要溫室氣體的排放量不斷增加，引起溫室效應(yīng)增強(qiáng)，使全球氣候變暖；另一面，砍伐森林、耕地減少等土地利用方式的改變間接改變了大氣中溫室氣體的濃度，也可使氣候變暖。故選：D。

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