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一、联系社会热点的开放性试题例1 (2002年安徽省中考题)“南极的冰化了”,这是中央电视台2002年5月22日“东方时空”中一个节目的标题.说的是南极一块叫“拉伸B”的冰架发生坍塌,其断裂的面积比上海市还大.这是大自然又一次发出的警告:地球正在变暖!温室效应的影响已经不容忽视. (1)造成温室效应的主要原因是_____. (2)为了减缓温室效应,我们每个人都可以从自已身边做起.比如说双面使用纸张.双面使用纸张和减缓温室效应之间的关系是______. (3)请再举出一件你可以做到的有利于减
I. Open questions related to social hotspots Example 1 (Anhui exam in 2002) “The ice in the Antarctic” was the title of a program in the “Oriental Space Time” on May 22, 2002 by CCTV. An ice sink in Antarctica called “Extension B” collapsed and its area of fracture was larger than in Shanghai. This is yet another natural warning: The earth is warming! The influence of the greenhouse effect cannot be ignored. (1) The main reason for the greenhouse effect is _____. (2) In order to mitigate the greenhouse effect, each of us can start from ourselves. For example, we use double-sided paper. The relationship between double-sided use of paper and mitigation of the greenhouse effect is _ _____. (3) Please list another one that you can do to reduce