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

Wefelt______todeathbecausewecouldmakenothingofthelecturer’sspeech.

Scientistshavediscoveredaclose______betweensmokingandseveralseriousdiseases.

WhenItrytounderstand______thatpreventssomanyAmericansfrombeingashappyasonemightexpect,itseemstomethatthere

Myfriend’sson,whoisasoldier,wasdelightedwhenhewas______onlyafewmilesfromhome.

Notknowinghehad______outwithhisgirlfriend,Imadethemistakeofinvitingthembothtotheparty.

Friendsplayanimportantroleinourlives,andalthoughwemaytakefriendshipfor【C1】______,weoftendon’tclearlyknowhow

Vitaminsareorganiccompoundsnecessaryinsmallamountsinthedietforthenormalgrowthandmaintenanceoflifeofanimals,

OnesillyquestionIsimplycannottolerateis"Howdoyoufeel?"Usuallythequestionisaskedofamaninaction—amanwalking

He(will)not(borrow)youthemoney(even)ifyou(ask).

SpeakerA:DoyouthinkIcouldborrowyourcartogogroceryshopping?Thesupermarketsoutsidethecityaresomuchcheapertha

德国古典哲学是马克思主义哲学的直接理论来源。马克思、恩格斯批判地吸取了黑格尔哲学的

"增水行舟"之剂为"逆流挽舟"之剂为

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A、Becausetheymayneedthesebooksfromtimetotime.B、Becausethesebooksareverypreciousandvaluable.C、Becausetheyhope