【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89%,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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