首页
登录
职称英语
Oceanography has been defined as "The application of all sciences to the stu
Oceanography has been defined as "The application of all sciences to the stu
游客
2024-01-26
31
管理
问题
Oceanography has been defined as "The application of all sciences to the study of the 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 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. The first time that the question "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 (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 information on this matter. In the 1840s, Maury had been responsible for encouraging voyages during which soundings (测探) 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.
The 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
Within 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. [br] This passage is mainly about_____.
选项
A、the beginnings of oceanography
B、the laying of the first undersea cable
C、the investigation of ocean depths
D、the early intercontinental communications
答案
A
解析
主旨题。通读全文可知,oceanography(海洋学)是全文的中心词,本文主要讲述海洋学是如何起步的,故答案为A。B、C只表述了原文中个别细节,并非主题;D跟全文无关。
转载请注明原文地址:https://tihaiku.com/zcyy/3396340.html
相关试题推荐
AnApplicationforFurtherStudiesDirections:Forthispart,youareal
Oceanographyhasbeendefinedas"Theapplicationofallsciencestothestu
Oceanographyhasbeendefinedas"Theapplicationofallsciencestothestu
Oceanographyhasbeendefinedas"Theapplicationofallsciencestothestu
Oceanographyhasbeendefinedas"Theapplicationofallsciencestothestu
Forthispart,youareallowed30minutestowriteanapplicationletter.Yoush
Forthispart,youareallowed30minutestowriteanapplicationletterfor
Femaleapplicantstopostdoctoralpositionsingeoscienceswerenearlyhalf
Femaleapplicantstopostdoctoralpositionsingeoscienceswerenearlyhalf
Femaleapplicantstopostdoctoralpositionsingeoscienceswerenearlyhalf
随机试题
SlanginEnglishTodaywe’lldiscussacommonli
Althoughthefirstyearisreallyimportantforlanguagedevelopmentinchi
Thepassagegivesageneraldescriptionofancientclimatehistory.[br]Withth
[img]2012q1/ct_etoefm_etoeflistz_0307_20121[/img][br]Whydoestheprofessorte
在相同的条件下,与不重置抽样相比,重置抽样的抽样误差( )。A.同样大 B.
男,31岁,阵发性腹部绞痛伴呕吐、肛门停止排便排气3天,腹胀2天,腹痛加剧且间歇
运用归纳法进行行业分析的步骤包括()。 A.收集相关资料B.观察数据 C
患者男性,26岁,因交通事故造成面部外伤而来诊。检查见耳、鼻出血,并证实有脑脊液
血浆蛋白量显著减少时,可引起( )。A.血浆渗透压显著降低 B.组织液生成增
某建筑企业,企业经理为法定代表人,设有现场安全生产管理负责人。该企业在其注册地的
最新回复
(
0
)