Hansen cautioned that greenhouse gases________
A、produces much more global warming than a carbon-dioxide forcing of the same magnitude
B、contributed to 25 percent of observed global warming
C、winter and spring
D、the warming effects increase
E、still surpass soot warming the world's climate during the last century
F、can be seen mostly in the Northern Hemisphere
A、produces much more global warming than a carbon-dioxide forcing of the same magnitude
B、contributed to 25 percent of observed global warming
C、winter and spring
D、the warming effects increase
E、still surpass soot warming the world's climate during the last century
F、can be seen mostly in the Northern Hemisphere
【参考答案及解析】
本题定位到第六段汉森提醒大家注意的话,温室气体仍是导致全球变暖的最主要因素。
本题定位到第六段汉森提醒大家注意的话,温室气体仍是导致全球变暖的最主要因素。