[請益] 黃金閱讀 22 Petroleum Resources
看板TOEFL_iBT (TOEFL_iBT托福)作者thenmego (thenmego)時間15年前 (2010/07/05 14:19)推噓2(2推 0噓 8→)留言10則, 3人參與討論串1/1
第二段 Highlight 的句子 :
Continued sedimentation—the process of deposits' settling on the sea bottom—
buries the organic matter and subjects it to higher temperatures and pressures, which convert the organic
matter to oil and gas.
問題:
4．Which of the sentences below best expresses the essential information in
the highlighted sentence in the passage? Incorrect choices change the meaning in important ways or leave out
essential information.
○Higher temperatures and pressures promote sedimentation, which is
responsible for petroleum formation.
○Deposits of sediments on top of organic matter increase the temperature of
and pressure on the matter.
○Increase pressure and heat from the weight of the sediment turn the organic
remains into petroleum.
○The remains of microscopic organisms transform into petroleum once they are
buried under mud.
為什麼答案不是 2 而是 3 呢?
我覺得這兩個答案很相近，不過分不太出來差別在哪...
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