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中等师范学校课本《地理》第65页上有这样一道练习题:“①假如地轴与黄道平面交角缩小,地球五带的面积大小会有什么变化?②假如地轴与黄道平面的交角扩大到90°,地球上的四季和昼夜长短会有什么变化?”这是一道常见题,一般教学参考资料、练习题集中都有收录,地理高考试卷中也出现过类似的题目。这道题目的意思第①问实际上是说:“假如黄赤交
There is such an exercise on page 65 of the textbook for secondary normal schools: ”1 If the angle between the ground axis and the ecliptic plane is reduced, what will happen to the size of the Earth’s five belts?2 If the angle between the ground axis and the ecliptic plane is increased to 90 ° What are the changes in the four seasons and the length of day and night on the earth?“ This is a common question. The general teaching reference materials and practice questions are all included, and similar questions have appeared in the Geography Test Paper. The first question in this question is actually to say: ”If Huang Jiaojiao