It has been demonstrated that rats will, when given a choice over a period of time, prefer water with vitamins to water without

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问题 It has been demonstrated that rats will, when given a choice over a period of time, prefer water with vitamins to water without vitamins even though there is no difference in taste or smell between the two water bottles.

选项

答案有证据表明，在一段时间内，如果让老鼠去挑选的话，它们会选择含有维生素的水瓶，即使两瓶中的水在味道上并无差异。

解析

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成人本科学位英语

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It has been demonstrated that rats will, when given a choice over a period of time, prefer water with vitamins to water without

成人本科学位英语

InancientGreeceathleticfestivalswereveryimportantandhadstrongreligiousassociations.TheOlympianathleticfestivalh

Themajorityofpeople______topreferwatchingfootballgamestoplayingfootball.

Thedoctorsmusthavemadegreateffortstotreatthepatient,______hehasrecoveredfromhisseriousinjury.

Millionsoffarmers,drawnbythe______ofemployment,cameintothecitywhichmadetheproblemsoftransportationandhousinge

Asurveywascarriedoutonthedeathrateofnew-bornbabiesinthatregion,______weresurprising.

Wearesurehewilleventuallycome______,whateverdifficultieshemaymeetintheprocess.

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Industrialsafetydoesnotjusthappen.Companies【C1】______lowaccidentratesplantheirsafetyprograms,workhardtoorganize

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