Wilhelm Conrad Roentgen was ________ first Nobel Prize Winner in ________ physics and his work started ________ series of revolutionary discoveries during the last 100 years.A.the; 不填; aB.the; the; 不填C.a; the; aD.不填; a ;不填
网友回答
A解析序数词前面要用定冠词，抽象名词前不要冠词，a series of是固定词组。