Before 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 {{U}} (26) {{/U}} to go to sea to {{U}} (27) {{/U}} his work. For most people the sea was {{U}} (28) {{/U}}, and with the {{U}} (29) {{/U}} of early international travelers or others who earned a living from the sea, there was little reason to ask many questions about it, {{U}} (30) {{/U}} alone to ask what lay beneath the surface. The flint time that the question "What is at the bottom of the oceans " had to be answered with any commercial {{U}} (31) {{/U}} was when the {{U}} (32) {{/U}} of a telegraph cable from Europe to America was proposed. The engineers had to know the depth profile of the {{U}} (33) {{/U}} to estimate the length of cable t A. reluctant B. irreluctant C. reductant D. redundant 我来回答: 提交
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