The proposal to lay a telegraph cable from Europe to America made oceanographic studies take on a (n) ______. The aim of the vo

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问题 The proposal to lay a telegraph cable from Europe to America made oceanographic studies take on a (n) ______.
The aim of the voyages Maury was responsible for in the 1840s was to ______

选项 A、make some sounding experiments in the oceans
B、collect samples of sea plants and animals
C、estimate the length of cable that was needed
D、measure the depths of the two oceans

答案D

解析 本题问的是19世纪40年代Marry负责的远洋航行的目的是什么。这个问题比较具体。题干本身已点明了答案可能的出处,即第四段的第二句。在句中动词不定式to investigate the depths of the North Atlantic and Pacific Oceans回答了这个问题。所以答案是D。
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