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    【题目】在我国海洋资源中，其产量居世界首位的是（ ）

    A. 海盐 B. 经济鱼类 C. 海底石油 D. 锰结核

    【答案】A

    【解析】试题我国海洋面积广大，海洋资源丰富。海盐总产量2004年世界排名第一；我国海洋鱼类近2000种，其中300多种是重要经济鱼类．60—70种是最为常见而产量又较高的主要经济鱼类，海洋鱼类资源丰富；我国海底石油丰富，海底蕴藏着丰富的石油和天然气资源，世界近海海底已探明的石油可采储量为220亿吨，天然气储量为17万亿立方米，占当年世界石油和天然气探明总可采储量的24％和23％；海底锰结核矿石（含锰、铁、铜、钴、镍、钛、钒、锆、钼等多种金属）在不断生长，我国东部海域面积广大，拥有丰富的锰结核资源。四个选项中，B、C、D不符合题意，A为正确选项。

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