选择合适的短语填入下列5空:In his desperation, he1all his previous convictions and2 instead that the radiation was not3continuously, but in the form of4of energy, known as5.
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选择合适的短语填入下列5空:According to the existing1proposed by Ernest2 , the3consisted of a positively charged4and negatively charged electrons5 around it.
选择合适的短语填空:The1 of the2was based on the premise that the3forces between the opposite 4 are balanced by the5force of the6.
选择合适的短语依次填空:It was their research that ultimately1the basis for the development of2 , which explains the 3in the 4of atoms and even smaller5.