贵州省名校协作体2023-2024学年高三上学期联考(一)地理参考答案
地理参考答案第1页共4页贵州省名校协作体2023-2024学年高三联考(一)地理参考答案一、选择题:本题共16小题,每小题3分,共48分。题号12345678910答案CACCADDBCA题号111213141516答案CCACBA1.C【解析】总抚养比=少儿抚养比+老年抚养比。由图1中2010年——2020年总抚养比升高、少儿抚养比基本变化不大、老年抚养比明显上升,且曲线斜率与总抚养比接近,可知2010年——2020年总抚养比升高的原因最可能是老年抚养比变高。C正确。少年儿童数量不等同于少儿抚养比,A错误;青壮年占比增加总抚养比会降低,B错误。材料未体现劳动力大量外出的信息,D错误,故选C。...
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