B) to collect samples of sea plants and animals

　　C) to estimate the length of cable that was to be made

　　D) to measure the depths of two oceans

　　24. Defied in the 5th paragraph probably means ________

　　A) doubted B) gave proof to

　　C) challenged D) agreed to

　　25. This passage is mainly about _________

　　A) the beginnings of oceanography

　　B) the laying of the first undersea cable

　　C) the investigation of ocean depths

　　D) the early intercontinental communications

　　Questions 21 to 25 are based on the following passage:

　　Oceanography has been defined as The application of all sciences to the study of the sea.

　　注：1.Oceanography 由 Ocean 和 graphy 组成，意为 海洋学

　　2.application 表示 申请 用介词for,表示 应用 用介词to

　　3.第一句给某个东西下定义，称为篇章定义，必为文章主题

　　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.

　　注：1.第二段：在十九世纪之前，对海洋感兴趣的科学家很少，可以推断本文根据时间顺序来描述海洋学发展的过程。

【四六级考试阅读的备考:课堂笔记(2)】相关文章：

★ 2013年大学英语六级考试阅读的训练题3

★ 2008年12月英语六级阅读备考的技巧及词汇6

★ 2011年6月英语六级考试冲刺的练习阅读篇91

★ 六级阅读练习 2011.03.23

★ ：2010年12月英语六级快速阅读的答案

★ 2013年大学英语六级考试阅读的训练题13

★ 历年六级试题阅读的译文

★ 英语四六级考试高分必备阅读命题的特点

★ 2008年12月英语六级快速阅读的预测试卷

★ 英语六级考试标准的阅读5