【題目】在繁星璀璨的茫茫宇宙中，有一個孕育了生命的藍色星體，她就是人類唯一的家園——地球。據(jù)此完成下列各題。

【1】能夠說明地球大小的是（ ）

A. 地球是個球體 B. 表面積約5.1億平方千米

C. 地球衛(wèi)星照片 D. 自轉(zhuǎn)周期為1天

【2】有關地球基本面貌特征的描述，正確時的是（ ）

A. 世界海陸分布均勻 B. 北半球陸地面積大于海洋

C. 從太空看地球更像“陸球” D. 地球上七分海洋、三分陸地

【答案】

【1】 B

【2】 A

【解析】

試題解析：

【1】比較題干中的四個選項可得，能夠說明地球大小的是地球的表面積為5.1億平方千米，

【2】地球表面七分是海洋，三分是陸地，從太空看，地球是一個水球，地球表面分布著七大洲和四大洋，南極周圍是一片陸地，選項ABD敘述錯誤，不符合題意．

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