新托福听力:鳗鱼研究

2022-05-26 10:43:09

        小编就带来回忆下真题关于鳗鱼研究的文章,这篇文章是2017年12月17日新

  新托福听力题目回忆版本一:

  生物:对eel这种鱼的migration的研究,发现它们白天在水面晚上潜到水里来preventmature。

  新托福听力题目回忆版本二:

  3.一种鳗鱼(eel),会从欧洲到一个某海。这个海是唯一一个被海流包围的海,研究者从来没发现过确切的路线.一个新研究在鳗鱼身上放了标记,但在它们到某海之前就失效,有两个发现:

  a.它们不走最短的路,而是跟着洋流走最efficient的路线

  b.鳗鱼白天在海上部,晚上会游到下面冷的海水,是因为他们出发前还没有足够成熟,通过低温降低代谢效率减缓生长。

  新托福听力题目回忆版本三:

  1.Whatisthepurposeofthelecture?

  ToillustratethedifficultyofdeterminingwhetheracertainspeciesneedsprotectionundertheEndangeredSpeciesAct

  2.WhydosomeexpertsthinktheAmericaneelshouldnotbeconsideredendangered?

  Theycansurviveawiderangeofenvironmentalconditions.

  3.WhatdidseveralgovernmentagenciesconcludeaboutthesizeoftheAmericaneelpopulationbasedontheirsurvey?

  Itwillincreaseanddecreaseperiodically.

  4.WhatproblemdoestheprofessoremphasizeaboutthepopulationsurveysoftheAmericaneel?

  Theyhavenotprovidedanadequateestimateoftheoverallpopulation.

  5.WhydoestheprofessormentionthattheAmericaneelisacatadromousspecies?

  TohelpexplainthedifficultyindeterminingthetruesizeoftheAmericaneelpopulation

  6.WhatdoestheprofessorimplyaboutthephysicaltransformationoftheAmericaneelwhenshesaysthis:

  “Thenduringthecourseoftheirlives,theygothroughaseriesofphysicaltransformationswhichareinterestinginthemselves.Ithinktherearesomethingaboutthatinoneofyourreadings.”

  Theyarenotasubjectshewilldiscussinherlecture.

        另外有一则好消息,针对托福备考,

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