When did scientists come to realize how the atoms and molecules on the Earth mos

游客2024-06-27 27

问题 When did scientists come to realize how the atoms and molecules on the Earth mostlikely combined to make living things? [br] Harold Urey and Stanley L. Miller did their experiment in order to ______.

选项 A、dissolve some new chemicals
B、find out what may have happened on the Earth 4 billion years ago
C、simulate bolts of lightning on the ancient Earth
D、analyze a liquid

答案 B

解析

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When did scientists come to realize how the atoms and molecules on the Earth mos

Atheoryofteninvolvesanimaginarymodelthathelpsscientistspicturetheway

WhendidscientistscometorealizehowtheatomsandmoleculesontheEarthmos

WhendidscientistscometorealizehowtheatomsandmoleculesontheEarthmos

Formanyyears,scientistscouldn’tfigureouthowatomsandmoleculescombin

Withthepopulationexplosion,scientistswillhaveto______newmethodsofinc

Scientistscandeterminesomeone’sfavoritefoodfromtheirbodyshape.The

Scientistscandeterminesomeone’sfavoritefoodfromtheirbodyshape.The

Scientiststhinklaser(be)______oneofthemostusefultoolstoday.tobetobe在此

Scientistshavedonealotofstudytoshowthatpraiseisfar(effective)_____

[originaltext]W:Fastenyourbeltplease,sir.M:Ofcourse.Ididn’trealizew

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TheoriesofHistoryI.Howmuchweknowabouthistory?A.【T1】______existfo

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A. B. C. D.

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物品的（）表现为一种使用价值同另一种使用价值相交换的量的关系或比例。 A．使

在企业员工培训活动中，教学形式受()等因素的影响。A:教师 B:时间 C:教

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