2009年11月26日,我国正式对外宣布控制温室气体排放的行动目标,决

2009年11月26日,我国正式对外宣布控制温室气体排放的行动目标,决定到    年单位生产总值二氧化碳排放比2005年下降   

A.2020  20%~25%                      B.2020  40%~45%

C.2010  20%~25%                      D.2010  40%~45%

答案

B

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