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40. 人口轉型是指在封閉人口系統中,人口由高出生率、高死亡率逐漸轉變為低出生率、低死亡率的過程。下列五幅人口要素變遷圖,哪兩者符合上述人口轉型模式的變化? (A)甲 (B)乙 (C)丙 (D)丁
問題詳情
40. 人口轉型是指在封閉人口系統中,人口由高出生率、高死亡率逐漸轉變為低出生率、低死亡率的過程。下列五幅人口要素變遷圖,哪兩者符合上述人口轉型模式的變化?
(A)甲
(B)乙
(C)丙
(D)丁
(E)戊 。
參考答案
答案:A,E
難度:
非常困難
0.05
書單:
沒有書單,新增
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25. Consider the following orderings. Which of these gives a correct trend in ionization energy?I Be
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