Oceanography has been defined as The application of all sciences to the study of sea.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 reluctant to go to sea to further his work.For most people the sea was remote,and with the expection of early intercontinental travellers 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.The first time that the questions What is at the bottom of the oceans? had 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 of the mute to estimate the length of cable that had to be manufactured.
连连看(下列abcdef是上文着色单词的解释,但顺序已打乱。请找出正确的对应关系,按数字顺序重新排列字母,如deacfb)
a.
b.a short description that gives important details about a person, a group of people, or a place
c.
d.one part of a situation, idea, plan etc that has many parts
e.someone who is mute does not speak, or refuses to speak
f.
g.to suggest something as a plan or course of action
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