四六級考試閱讀備考
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 of the route to estimate the length of cable that had to be manufactured.
注：1. remote 遙遠的`
2. and with...多重複合句
3. intercontinental 洲際的 (Inter 在之間，continent 大洲)
4. let alone 更不用說
5. first time 由不感興趣轉折到感興趣 ，謂語是 was
6. 第二句that引導同位語從句，when引導表語從句，整句意思為 當有人基於商業目的建議在美國和歐洲之間鋪設電報電纜的時候，人們才提出問題：海底是什麼?
7.route 路線 router 路由器
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