【題目】讀世界的海陸分布圖,完成下列要求。

(1)根據(jù)測(cè)量發(fā)現(xiàn),世界上陸地面積僅占______%,海洋面積占______%。海洋面積明顯_______(大于或小于)陸地面積。

(2)就南北半球看,北半球的陸地面積明顯_______(大于或小于)海洋面積;若從北極上空觀看地球,可將北半球稱為_______(水球或陸球),而將南半球稱為_______(水球或陸球)。

(3)大陸與其附近的島嶼合稱為大洲。地球表面的陸地分為七個(gè)大洲,它們是________洲、________洲、________洲、________洲、________洲、________洲和________洲。

(4)地球表面的海洋分為四個(gè)大洋,它們是A_______洋、B_______洋、C_______洋和D_______洋。

(5)介于北美洲、南美洲、歐洲、非洲和南極洲之間的大洋是_________。介于北美洲、南美洲、亞洲、大洋洲和南極洲之間的大洋是______________。的界線是______________。

【答案】

(1)29、71、大于

(2)小于、陸球、水球

(3)北美、歐、亞、非、大洋、南極、南美

(4)太平、大西、印度、北冰

(5)大西、太平、巴拿馬運(yùn)河

【解析】

試題分析:本題主要考查世界的海陸分布。(1)據(jù)圖可知,世界海陸分布不均衡,其中海洋面積占71%,陸地占29%,海洋面積遠(yuǎn)遠(yuǎn)超過(guò)陸地面積。(2)從圖上看,赤道以北部分的陸地面積明顯小于海洋面積,北半球的陸地面積比南半球多,故南北半球相比,北半球稱為陸球,南半球稱為水球。(3)據(jù)圖可知,、大洲都位于西半球,位于北半球,而主要位于南半球,故是北美洲,是南美洲。大洲比鄰而居,共同構(gòu)成世界上最大的大陸,大洲的面積最大,故為歐洲、為亞洲;、相連,有運(yùn)河做為分界線,故為非洲;大洲有世界上最小的大陸,故其為大洋洲。大洲位于南極地區(qū),故其為南極洲。(4)讀圖可知,ABCD分別為太平洋、大西洋、印度洋、北冰洋。(5)大西洋西部為南北美洲、東部為歐洲與非洲,南部為南極洲,故介于北美洲、南美洲、歐洲、非洲和南極洲之間的大洋是大西洋。太平洋位于北美洲、南美洲、亞洲、大洋洲和南極洲之間的大洋。南北美洲的分界線是巴拿馬運(yùn)河。

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