TPO19-Discovering the ice ages - 英檢

※ 引述《pandora8 (pandora*)》之銘言：
: 想請問最後一題(28)的C選項:
: Isotopic analysis of marine sediments showed that periods of glaciation and
: deglaciation were more frequent, shorter, and more cyclic than previously
: thought.
: 這個選項為什麼不能選? 文章的最後一句講的不就是這意思嗎?
: 原先是只有陸地的化石可以提供資訊,
: 後來有了isotopic analysis 就可以從海洋化石得到資訊.
: 因此有了與先前不同的結果.
: 感覺這個選項也不是細節, 也是挺重要的一個結果.
: 請大家幫忙一下.
: 不好意思破解版TPO的選項無法複製, 麻煩大家自己看內文了~
這個選項是正確的

通常包含一個段落以上的內容 就極有可能是答案

Discovering the Ice Ages 是一篇結構很簡單的文章

有六段

第一 段 最早發現的ice age 證據
Louis Agassiz was the first to note signs of
glacial erosion and sedimentation in diverse regions
of Europe and North America.

下面還要選3句話 卻有五段 可見一個選項不一定只代表一段



第二段
Evidence of a pattern of glacier-like deposits eventually
convinced most geologists that an enormous continental glacier
had extended into the temperate zone


第三段說 became clear that there were multiple glacial ages during
所以選 Nineteenth-century geologists studying the layers of
drift concluded that during the Pleistocene epoch
several glaciations had occurred with war periods between them




剩下的兩段都有 shell. oxygen-16 ,Isotopic

所以要合併成一項
Isotopic analysis of marine sediments showed that periods of
glaciation and deglaciation were more frequent, shorter,
and more cyclic than previously thought




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