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    4．Months ago we sailed ten thousand miles across this open sea，which ___ the Pacific，and we met no storms．（　　）
    A．was calledB．is calledC．had been calledD．has been called

    分析 几个月前，我们在被称之为太平洋的广阔的海洋航行了1万里．其间我们没有遇到风暴．

    解答 答案：B．
    分析句子的结构可知，本句中which引导的为一非限制性定语从句，修饰先行词this open sea；而which（this open sea）与call之间为逻辑上的动宾关系，所以应该使用被动结构，这个公开的海域的名字的由来是一个既定的事实，所以用一般现在时；故选B．

    点评 本题考查了一般现在时态的被动语态；做此类题时，可以根据句中的时间状语确定该句应使用的时态；然后结合句意，通过判断主语与为谓语动词的关系，确定它的语态（当主语与谓语动词构成动宾/被动关系时，应使用被动语态）．

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