【題目】讀中國人口普查數(shù)據(jù)統(tǒng)計圖，讀下圖完成各題。

【1】圖示信息反映出我國 （ ）

A．青少年人口比重持續(xù)增加 B．鄉(xiāng)村人口比重持續(xù)增加

C．人口增速先快后減緩 D．人口未進入老齡化

【2】東部人口比重的變化表明東部地區(qū)（ ）

A．人口數(shù)量先減后增

B．影響人口數(shù)量變化的最主要因素是出生率

C．人口密度持續(xù)增大

D．影響人口比重變化的最主要因素是環(huán)境變遷

【答案】

【1】C

【2】C

【解析】

試題解析：

【1】讀圖可知，自然增長率逐年降低，青少年比重減小的，故A錯誤；讀圖中城市人口比重上升，鄉(xiāng)村人口比重下降，故B錯誤；讀圖中自然增長率，從1953年到2010年增長率降低，但大于零，人口依然呈增長，故C正確；讀圖中65歲以上人口比重上升較快， 2010年達到8．9%,老齡化速度加快，故D錯誤。

【2】讀圖可知東部人口比重先下降后上升，但總?cè)丝跀?shù)增加，故東部人口數(shù)量增加，單位面積人口數(shù)量增多，故C正確。

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