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,