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The Beginning of Oceanography①Oceanography has been defined as "

The Beginning of Oceanography
①Oceanography has been defined as "the application of all sciences to the study of the sea".
②Before the nineteenth century, scientists with an interest in the sea were few and far between. Certainly Newton considered some theoretical aspects of it in his writings, but he was reluctant to go to sea to further his work. For most people the sea was remote, and with the exception of early intercontinental travelers or others who earned a living from the sea, there was little reason to ask many questions about it, let alone to ask what lay beneath the surface.
③The first time that question "What is at the bottom of the oceanshad to be answered with any commercial consequence was when the laying of a telegraph cable from Europe to America was proposed. The engineers had to know the depth profile(起伏形状)of the route to estimate the length of cable that had to be manufactured. It was to Maury of the US Navy that the Atlantic Telegraph Company turned, in 1853, for infonnation on this matter. In the 1840s, Maury had been responsible for encouraging voyages during which soundings(测声)were taken to investigate the depths of the North Atlantic and Pacific Oceans. Later, some of his findings aroused much popular interest in his book The Physical Geography of the Sea.
④The cable was laid, but not until 1866 was the connection made permanent and reliable. At the early attempts, the cable failed and when it was taken out for repairs it was found to be covered in living growths, a fact which defied contemporary scientific opinion that there was no life in the deeper parts of the sea.
⑤Within a few years oceanography was under way. In 1872 Thomson led a scientific expedition(考察),which lasted for four years and brought home thousands of samples from the sea. Their classification and analysis occupied scientists for years and led to a five-volume report, the last volume being published in 1895.
4.Paragraph ④:
A、Rise of Interests on the Sea
B、People's Attitude Towards the Sea Before
C、Further Discovery in Laying the Cable
D、Definition of Oceanography
E、Commercial Consequence
F、Development of Oceanography
【正确答案】:C
【题目解析】:第四段中提到在对海底电缆的维护中,人们有了其他的科学发现,进一步了解了海洋。故答案为C。

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