X线剂量测量、X线治疗及X线损伤的基础是
C
暂无解析
Howmanypartsdoesascienceandtechnologypaperconsistof?Whatarethey?
Iunderstoodfromherthatyouundertookotherimportantwork______.
ThethreePuritantraditionsare________.
英语翻译：他是公司的首席执行官,但总是平易近人。
句子写作：Thehouse____isstillstanding.
